2018-01-25 Release Manager * GCC 7.3.0 released. 2018-01-23 Eric Botcazou PR rtl-optimization/81443 * rtlanal.c (num_sign_bit_copies1) : Do not propagate results from inner REGs to paradoxical SUBREGs. 2018-01-21 Bill Schmidt Backport from mainline 2018-01-21 Bill Schmidt David Edelsohn PR target/83946 * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Change "crset eq" to "crset 2". (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix_nospec): Likewise. (*call_value_indirect_aix_nospec): Likewise. (*call_indirect_elfv2_nospec): Likewise. (*call_value_indirect_elfv2_nospec): Likewise. (*sibcall_nonlocal_sysv): Change "crset eq" to "crset 2"; change assembly output from . to $. (*sibcall_value_nonlocal_sysv): Likewise. (indirect_jump_nospec): Change assembly output from . to $. (*tablejump_internal1_nospec): Likewise. 2018-01-21 Oleg Endo Backport from mainline 2018-01-21 Oleg Endo PR target/80870 * config/sh/sh_optimize_sett_clrt.cc: Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes. 2018-01-17 Bill Schmidt Backport from mainline 2018-01-16 Bill Schmidt * config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for -mspeculate-indirect-jumps. * config/rs6000/rs6000.md (*call_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_indirect_elfv2_nospec): New define_insn. (*call_value_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_elfv2_nospec): New define_insn. (indirect_jump): Emit different RTL for -mno-speculate-indirect-jumps. (*indirect_jump): Disable for -mno-speculate-indirect-jumps. (*indirect_jump_nospec): New define_insn. (tablejump): Emit different RTL for -mno-speculate-indirect-jumps. (tablejumpsi): Disable for -mno-speculate-indirect-jumps. (tablejumpsi_nospec): New define_expand. (tablejumpdi): Disable for -mno-speculate-indirect-jumps. (tablejumpdi_nospec): New define_expand. (*tablejump_internal1): Disable for -mno-speculate-indirect-jumps. (*tablejump_internal1_nospec): New define_insn. * config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New option. Backport from mainline 2018-01-17 Bill Schmidt * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_indirect_aix_nospec): New define_insn. (*call_value_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_aix_nospec): New define_insn. (*sibcall_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*sibcall_value_nonlocal_sysv): Likewise. 2018-01-17 Richard Biener Backport from mainline 2017-12-18 Richard Biener PR tree-optimization/81877 * tree-ssa-loop-im.c (ref_indep_loop_p): Remove safelen parameters. (outermost_indep_loop): Adjust. (ref_indep_loop_p_1): Likewise. Remove safelen handling again. (can_sm_ref_p): Adjust. 2017-12-08 Richard Biener PR middle-end/81782 * tree-ssa-uninit.c (warn_uninitialized_vars): Properly handle accesses outside of zero-sized vars. 2018-01-17 Kyrylo Tkachov Backport from mailine 2018-01-15 Kyrylo Tkachov PR target/83687 * config/arm/iterators.md (VF): New mode iterator. * config/arm/neon.md (neon_vabd_2): Use the above. Remove integer-related logic from pattern. (neon_vabd_3): Likewise. 2018-01-17 Martin Liska Backport from mainline 2018-01-04 Martin Liska PR ipa/82352 * ipa-icf.c (sem_function::merge): Do not cross comdat boundary. 2018-01-17 Martin Liska Backport from mainline 2018-01-03 Martin Liska PR ipa/83549 * cif-code.def (VARIADIC_THUNK): New enum value. * ipa-inline-analysis.c (compute_inline_parameters): Do not inline variadic thunks. 2018-01-17 Martin Liska Backport from mainline 2017-12-27 Martin Liska PR tree-optimization/83552 * tree-ssa-strlen.c (fold_strstr_to_strncmp): Assign result of get_string_lenth to a SSA_NAME if not a GIMPLE value. 2018-01-16 Segher Boessenkool Backport from mainline 2017-12-18 Segher Boessenkool PR rtl-optimization/83424 * rtlanal.c (dead_or_set_regno_p): Handle CLOBBER just like SET. 2018-01-16 H.J. Lu * config/i386/i386.c (ix86_expand_prologue): Don't use reference of struct ix86_frame. (ix86_expand_epilogue): Likewise. 2018-01-16 H.J. Lu Backport from mainline 2018-01-14 H.J. Lu * config/i386/i386.c (ix86_set_indirect_branch_type): Disallow -mcmodel=large with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. * doc/invoke.texi: Document -mcmodel=large is incompatible with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. 2018-01-16 H.J. Lu Backport from mainline 2018-01-14 H.J. Lu * config/i386/i386.c (print_reg): Print the name of the full integer register without '%'. (ix86_print_operand): Handle 'V'. * doc/extend.texi: Document 'V' modifier. 2018-01-16 H.J. Lu Backport from mainline 2018-01-15 H.J. Lu * config/i386/predicates.md (indirect_branch_operand): Rewrite ix86_indirect_branch_register logic. Backport from mainline 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Update ix86_indirect_branch_register check. Don't check ix86_indirect_branch_register with GOT_memory_operand. (Bw): Likewise. * config/i386/predicates.md (GOT_memory_operand): Don't check ix86_indirect_branch_register here. (GOT32_symbol_operand): Likewise. Backport from mainline 2018-01-15 H.J. Lu * config/i386/predicates.md (constant_call_address_operand): Rewrite ix86_indirect_branch_register logic. (sibcall_insn_operand): Likewise. Backport from mainline 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Replace ix86_indirect_branch_thunk_register with ix86_indirect_branch_register. (Bw): Likewise. * config/i386/i386.md (indirect_jump): Likewise. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Peepholes of indirect call and jump via memory: Likewise. * config/i386/i386.opt: Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. Backport from mainline 2018-01-14 H.J. Lu * config/i386/constraints.md (Bs): Disallow memory operand for -mindirect-branch-register. (Bw): Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. * config/i386/i386.md (indirect_jump): Call convert_memory_address for -mindirect-branch-register. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Disallow peepholes of indirect call and jump via memory for -mindirect-branch-register. (*call_pop): Replace m with Bw. (*call_value_pop): Likewise. (*sibcall_pop_memory): Replace m with Bs. * config/i386/i386.opt (mindirect-branch-register): New option. * doc/invoke.texi: Document -mindirect-branch-register option. 2018-01-16 H.J. Lu Backport from mainline 2018-01-15 H.J. Lu PR target/83839 * config/i386/i386.c (output_indirect_thunk_function): Use ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO for __x86.return_thunk. Backport from mainline 2018-01-14 H.J. Lu * config/i386/i386-protos.h (ix86_output_function_return): New. * config/i386/i386.c (ix86_set_indirect_branch_type): Also set function_return_type. (indirect_thunk_name): Add ret_p to indicate thunk for function return. (output_indirect_thunk_function): Pass false to indirect_thunk_name. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (output_indirect_thunk_function): Create alias for function return thunk if regno < 0. (ix86_output_function_return): New function. (ix86_handle_fndecl_attribute): Handle function_return. (ix86_attribute_table): Add function_return. * config/i386/i386.h (machine_function): Add function_return_type. * config/i386/i386.md (simple_return_internal): Use ix86_output_function_return. (simple_return_internal_long): Likewise. * config/i386/i386.opt (mfunction-return=): New option. (indirect_branch): Mention -mfunction-return=. * doc/extend.texi: Document function_return function attribute. * doc/invoke.texi: Document -mfunction-return= option. 2018-01-16 H.J. Lu Backport from mainline 2018-01-14 H.J. Lu * config/i386/i386-opts.h (indirect_branch): New. * config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise. * config/i386/i386.c (ix86_using_red_zone): Disallow red-zone with local indirect jump when converting indirect call and jump. (ix86_set_indirect_branch_type): New. (ix86_set_current_function): Call ix86_set_indirect_branch_type. (indirectlabelno): New. (indirect_thunk_needed): Likewise. (indirect_thunk_bnd_needed): Likewise. (indirect_thunks_used): Likewise. (indirect_thunks_bnd_used): Likewise. (INDIRECT_LABEL): Likewise. (indirect_thunk_name): Likewise. (output_indirect_thunk): Likewise. (output_indirect_thunk_function): Likewise. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_indirect_branch): Likewise. (ix86_output_indirect_jmp): Likewise. (ix86_code_end): Call output_indirect_thunk_function if needed. (ix86_output_call_insn): Call ix86_output_indirect_branch if needed. (ix86_handle_fndecl_attribute): Handle indirect_branch. (ix86_attribute_table): Add indirect_branch. * config/i386/i386.h (machine_function): Add indirect_branch_type and has_local_indirect_jump. * config/i386/i386.md (indirect_jump): Set has_local_indirect_jump to true. (tablejump): Likewise. (*indirect_jump): Use ix86_output_indirect_jmp. (*tablejump_1): Likewise. (simple_return_indirect_internal): Likewise. * config/i386/i386.opt (mindirect-branch=): New option. (indirect_branch): New. (keep): Likewise. (thunk): Likewise. (thunk-inline): Likewise. (thunk-extern): Likewise. * doc/extend.texi: Document indirect_branch function attribute. * doc/invoke.texi: Document -mindirect-branch= option. 2018-01-16 Richard Biener Backport from mainline 2017-09-29 Vladimir Makarov PR target/81481 * ira-costs.c (scan_one_insn): Don't take into account PIC equiv with a symbol for LRA. 2018-01-15 Segher Boessenkool Backport from mainline 2018-01-10 Segher Boessenkool PR target/83629 * config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): Wrap const term in CONST RTL. 2018-01-15 H.J. Lu Backport from mainline PR target/83330 * config/i386/i386.c (ix86_function_arg_advance): Set outgoing_args_on_stack to true if there are outgoing arguments on stack. (ix86_function_arg): Likewise. (ix86_compute_frame_layout): Align stack frame if argument is passed on stack. * config/i386/i386.h (machine_function): Add outgoing_args_on_stack. 2018-01-15 H.J. Lu Backport from mainline * config/i386/i386.c (ix86_expand_prologue): Use reference of struct ix86_frame. (ix86_expand_epilogue): Likewise. 2018-01-15 H.J. Lu Backport from mainline 2017-11-06 H.J. Lu * config/i386/i386.c (ix86_can_use_return_insn_p): Use reference of struct ix86_frame. (ix86_initial_elimination_offset): Likewise. (ix86_expand_split_stack_prologue): Likewise. 2018-01-15 H.J. Lu Backport from mainline 2017-06-01 Bernd Edlinger * config/i386/i386.c (ix86_frame): Moved to ... * config/i386/i386.h (ix86_frame): Here. (machine_function): Add frame. * config/i386/i386.c (ix86_compute_frame_layout): Repace the frame argument with &cfun->machine->frame. (ix86_can_use_return_insn_p): Don't pass &frame to ix86_compute_frame_layout. Copy frame from cfun->machine->frame. (ix86_can_eliminate): Likewise. (ix86_expand_prologue): Likewise. (ix86_expand_epilogue): Likewise. (ix86_expand_split_stack_prologue): Likewise. 2018-01-14 Bill Schmidt Backport from mainline 2018-01-08 Bill Schmidt PR target/83677 * config/rs6000/altivec.md (*altivec_vpermr__internal): Reverse order of second and third operands in first alternative. * config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order of first and second elements in UNSPEC_VPERMR vector. (altivec_expand_vec_perm_le): Likewise. 2018-01-14 Uros Bizjak Backport from mainline 2018-01-12 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern. (*saddl_se_1): Ditto. (*ssubsi_1): Ditto. (*ssubl_se_1): Ditto. Backport from mainline 2018-01-09 Uros Bizjak PR target/83628 * combine.c (force_int_to_mode) : Use mode instead of op_mode in the force_to_mode call. 2018-01-12 Oleg Endo Backport from mainline 2018-01-12 Oleg Endo PR target/81819 * config/rx/rx.c (rx_is_restricted_memory_address): Handle SUBREG case. 2018-01-12 Eric Botcazou PR rtl-optimization/83565 * rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do not extend the result to a larger mode for rotate operations. (num_sign_bit_copies1): Likewise. 2018-01-12 Rainer Orth Backport from mainline 2018-01-04 Rainer Orth PR bootstrap/81926 * cgraphunit.c (symbol_table::compile): Switch to text_section before calling assembly_start debug hook. 2018-01-11 Oleg Endo Backport from mainline 2018-01-11 Oleg Endo PR target/81821 * config/rx/rx.md (BW): New mode attribute. (sync_lock_test_and_setsi): Add mode suffix to insn output. 2018-01-09 Richard Biener Backport from mainline 2018-01-08 Richard Biener PR middle-end/83713 * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks. 2018-01-08 Jim Wilson Backport from mainline 2018-01-08 Monk Chiang Kito Cheng * config/riscv/riscv.c (machine_function::is_leaf): Remove field. (riscv_leaf_function_p): Delete. (riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE. 2018-01-08 Kyrylo Tkachov Backport from mainline 2017-12-20 Kyrylo Tkachov PR target/82975 * config/arm/arm.h (TEST_REGNO): Adjust comment as expected in r255830. 2018-01-08 Sebastian Huber Backported from mainline 2018-01-05 Sebastian Huber * config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration. * config/epiphany/rtems.h: New file. 2018-01-04 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*sadd): Use ASHIFT instead of MULT rtx. Update all corresponding splitters. (*saddl_se): Ditto. (*ssub): Ditto. (*ssubl_se): Ditto. (*cmp_sadd_di): Update split patterns. (*cmp_sadd_si): Ditto. (*cmp_sadd_sidi): Ditto. (*cmp_ssub_di): Ditto. (*cmp_ssub_si): Ditto. (*cmp_ssub_sidi): Ditto. * config/alpha/predicates.md (const23_operand): New predicate. * config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]: Look for ASHIFT, not MULT inner operand. (alpha_split_conditional_move): Update for *sadd change. 2018-01-02 Andrew Waterman * config/riscv/linux.h (ICACHE_FLUSH_FUNC): New. * config/riscv/riscv.md (clear_cache): Use it. 2018-01-01 Jakub Jelinek PR middle-end/83608 * expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of convert_modes if target mode has the right side, but different mode class. PR middle-end/83609 * expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg last argument when extracting from CONCAT. If either from_real or from_imag is NULL, use expansion through memory. If result is not a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg the parts directly to inner mode, if even that fails, use expansion through memory. PR middle-end/83623 * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT, check for bswap in mode rather than HImode and use that in expand_unop too. 2017-12-23 Jakub Jelinek PR c++/83553 * fold-const.c (struct contains_label_data): New type. (contains_label_1): Return non-NULL even for CASE_LABEL_EXPR, unless inside of a SWITCH_BODY seen during the walk. (contains_label_p): Use walk_tree instead of walk_tree_without_duplicates, prepare data for contains_label_1 and provide own pset. 2017-12-22 Martin Jambor PR lto/82027 * lto-cgraph.c (output_cgraph_opt_summary_p): Also check former clones. 2017-12-22 Jakub Jelinek Backported from mainline 2017-12-21 Jakub Jelinek PR c/83448 * gimple-ssa-sprintf.c (maybe_warn): Don't call set_caret_index if navail is >= dir.len. PR rtl-optimization/80747 PR rtl-optimization/83512 * cfgrtl.c (force_nonfallthru_and_redirect): When splitting succ edge from ENTRY, copy partition from e->dest to the newly created bb. * bb-reorder.c (reorder_basic_blocks_simple): If last_tail is ENTRY, use BB_PARTITION of its successor block as current_partition. Don't copy partition when splitting succ edge from ENTRY. PR tree-optimization/83523 * tree-ssa-math-opts.c (is_widening_mult_p): Return false if for INTEGER_TYPE TYPE_OVERFLOW_TRAPS. (convert_mult_to_fma): Likewise. PR tree-optimization/83521 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Use gimple_build_assign without code on result of fold_build1 (VIEW_CONVERT_EXPR, ...), as it might not create a VIEW_CONVERT_EXPR. 2017-12-19 Jakub Jelinek PR ipa/82801 PR ipa/83346 * ipa-inline.c (flatten_remove_node_hook): New function. (ipa_inline): Keep only nodes with flatten attribute at the end of the array in the order from ipa_reverse_postorder, only walk that portion of array for flattening, if there is more than one such node, temporarily register a removal hook and ignore removed nodes. 2017-12-21 Uros Bizjak PR target/83467 * config/i386/i386.md (*ashl3_mask): Add operand constraints to operand 2. (*3_mask): Ditto. (*3_mask): Ditto. 2017-12-19 Bin Cheng Backport from mainline 2017-11-15 Bin Cheng PR tree-optimization/82726 PR tree-optimization/70754 * tree-predcom.c (order_drefs_by_pos): New function. (combine_chains): Move code setting has_max_use_after to... (try_combine_chains): ...here. New parameter. Sort combined chains according to position information. (tree_predictive_commoning_loop): Update call to above function. (update_pos_for_combined_chains, pcom_stmt_dominates_stmt_p): New. 2017-11-15 Bin Cheng PR tree-optimization/82726 Revert 2017-01-23 Bin Cheng PR tree-optimization/70754 * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE. (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE. Insert combined stmt before it if not NULL. (combine_chains): Process refs reversely and compute dominance point for root ref. Revert 2017-02-23 Bin Cheng PR tree-optimization/79663 * tree-predcom.c (combine_chains): Process refs in reverse order only for ZERO length chains, and add explaining comment. 2017-12-19 Sebastian Huber Backport from mainline 2017-12-19 Sebastian Huber PR target/83387 * config/rs6000/t-rtems (MULTILIB_REQUIRED): Remove 64-bit soft-float multilib. 2017-12-19 Daniel Cederman Backport from mainline 2017-12-19 Daniel Cederman * config/sparc/sparc.c (sparc_do_work_around_errata): Make sure the jump is to a label. 2017-12-17 John David Anglin Backport from mainline 2017-12-03 John David Anglin * config/pa/pa.c (pa_legitimate_address_p): For scaled indexing, require base operand is a REG_POINTER prior to reload on targets with non-equivalent space registers. 2017-12-15 Jakub Jelinek PR tree-optimization/83269 * fold-const.c (fold_binary_loc): Perform (-A) - B -> (-B) - A subtraction in arg0's type if type is signed and arg0 is unsigned. Formatting fix. Backported from mainline 2017-12-14 Jakub Jelinek PR tree-optimization/83198 * gimple-ssa-sprintf.c (format_floating): Set type solely based on dir.modifier, regardless of TREE_TYPE (arg). Assume non-REAL_CST value if arg is a REAL_CST with incompatible type. 2017-12-12 Jakub Jelinek PR tree-optimization/80631 * tree-vect-loop.c (get_initial_def_for_reduction): Fix comment typo. (vect_create_epilog_for_reduction): Add INDUC_VAL argument, for INTEGER_INDUC_COND_REDUCTION use INDUC_VAL instead of hardcoding zero as the value if COND_EXPR is never true. For INTEGER_INDUC_COND_REDUCTION don't emit the final COND_EXPR if INDUC_VAL is equal to INITIAL_DEF. (vectorizable_reduction): Compute INDUC_VAL for vect_create_epilog_for_reduction, if no value is suitable, don't use INTEGER_INDUC_COND_REDUCTION for now. Formatting fixes. 2017-12-08 Joseph Myers Alexander Monakov Jakub Jelinek PR target/81906 * config/i386/i386.c (ix86_expand_rint): Handle flag_rounding_math. 2017-12-02 Jakub Jelinek PR c++/81212 * tree-cfg.c (pass_warn_function_return::execute): Handle __builtin_ubsan_handle_missing_return like __builtin_unreachable with BUILTINS_LOCATION. PR target/78643 PR target/80583 * expr.c (get_inner_reference): If DECL_MODE of a non-bitfield is BLKmode for vector field with vector raw mode, use TYPE_MODE instead of DECL_MODE. 2017-11-29 Jakub Jelinek PR target/80819 * config/i386/sse.md (vec_concatv2di): Remove * from (=Yr,0,*rm) alternative. 2017-11-25 Jakub Jelinek PR rtl-optimization/81553 * combine.c (simplify_if_then_else): In (if_then_else COND (OP Z C1) Z) to (OP Z (mult COND (C1 * STORE_FLAG_VALUE))) optimization, if OP is a shift where C1 has different mode than the whole shift, use C1's mode for MULT rather than the shift's mode. 2017-11-24 Jakub Jelinek PR sanitizer/83014 * ubsan.c (ubsan_type_descriptor): Use pp_unsigned_wide_integer instead of pp_printf with HOST_WIDE_INT_PRINT_DEC. Avoid calling tree_to_uhwi twice. * tree-object-size.c (pass_through_call): Do not handle BUILT_IN_STPNCPY_CHK which is not a pass through call. 2017-11-23 Jakub Jelinek PR middle-end/82253 * expr.c (expand_assignment): For CONCAT to_rtx, complex type from and bitpos/bitsize covering the whole destination, use store_expr only if the complex mode is the same. Otherwise, use expand_normal and if it returns CONCAT, subreg each part separately instead of trying to subreg the whole result. 2017-11-22 Jakub Jelinek PR debug/83084 * valtrack.c (propagate_for_debug_subst, propagate_for_debug): Reset debug insns if they would contain UNSPEC_VOLATILE or volatile asm. (dead_debug_insert_temp): Likewise, but also ignore even non-volatile asm. 2017-11-21 James Cowgill Jakub Jelinek PR target/82880 * config/mips/frame-header-opt.c (mips_register_frame_header_opt): Remove static keyword from f variable. 2017-12-15 Richard Biener PR bootstrap/83439 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Adjust remaining gimple_set_modified to use the modified variable instead. 2017-12-15 Eric Botcazou PR target/66488 * ggc-page.c (HOST_BITS_PER_PTR): Do not define here... * hwint.h (HOST_BITS_PER_PTR): ...but here instead. * config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Delete. 2017-12-15 Richard Biener Backport from mainline PR tree-optimization/82060 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Move devirtualization after stmt folding and before EH/AB/noreturn cleanup to get the stmt refs canonicalized. Use a bool instead of gimple_modified_p since that doesn't work for NOPs. Schedule NOPs generated by folding for removal. 2017-12-15 Richard Biener Backport from mainline 2017-09-05 Richard Biener PR tree-optimization/82102 * tree-ssa-pre.c (eliminate): Check if lhs is NULL. 2017-09-13 Richard Biener PR middle-end/82128 * gimple-fold.c (gimple_fold_call): Update SSA name in-place to default-def to avoid breaking iterator update with the weird interaction with cgraph_update_edges_for_call_stmt_node. 2017-12-15 Richard Biener Backport from mainline 2017-11-24 Richard Biener PR tree-optimization/82402 * tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly set SSA_NAME_OCCURS_IN_ABNORMAL_PHI. 2017-10-24 Richard Biener PR tree-optimization/82697 * tree-ssa-phiopt.c (cond_store_replacement): Use alias-set zero for conditional load and unconditional store. 2017-11-02 Richard Biener PR middle-end/82765 * varasm.c (decode_addr_const): Make offset HOST_WIDE_INT. Truncate ARRAY_REF index and element size. 2017-11-09 Richard Biener PR tree-optimization/82902 * tree-ssa-phiprop.c (propagate_with_phi): Test proper type. 2017-12-14 Peter Bergner Backport from mainline 2017-10-02 Peter Bergner PR target/80210 * config/rs6000/rs6000.c (rs6000_option_override_internal): Rewrite function to not use the have_cpu variable. Do not set cpu_index, rs6000_cpu_index or rs6000_tune_index if we end up using TARGET_DEFAULT or the default cpu. (rs6000_valid_attribute_p): Remove duplicate initializations of old_optimize and func_optimize. (rs6000_pragma_target_parse): Call rs6000_activate_target_options (). (rs6000_activate_target_options): Make global. * config/rs6000/rs6000-protos.h (rs6000_activate_target_options): Add prototype. 2017-12-13 Peter Bergner Backport from mainline 2017-12-13 Peter Bergner * config/rs6000/ppc-auxv.h (PPC_FEATURE2_HTM_NO_SUSPEND): New define. * config/rs6000/rs6000.c (cpu_supports_info): Use it. 2017-12-11 Michael Meissner Back port from trunk 2017-12-01 Michael Meissner PR target/81959 * config/rs6000/rs6000.c (rs6000_address_for_fpconvert): Check for whether we can allocate pseudos before trying to fix an address. * config/rs6000/rs6000.md (float_si2_hw): Make sure the memory address is indexed or indirect. (floatuns_si2_hw2): Likewise. 2017-12-11 Sudakshina Das Backported from trunk 2017-12-01 Sudakshina Das * config/arm/vfp.md (*movhf_vfp_fp16): Add conds attribute. 2017-12-07 Kelvin Nilsen Backport from trunk 2017-05-08 Kelvin Nilsen PR target/80101 * config/rs6000/power6.md: Replace store_data_bypass_p calls with rs6000_store_data_bypass_p in seven define_bypass directives and in several comments. * config/rs6000/rs6000-protos.h: Add prototype for rs6000_store_data_bypass_p function. * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New function implements slightly different (rs6000-specific) semantics than store_data_bypass_p, returning false rather than aborting with assertion error when arguments do not satisfy the requirements of store data bypass. (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with rs6000_store_data_bypass_p. 2017-12-06 Eric Botcazou Revert 2017-11-29 Martin Aberg * config/sparc/sparc.md (divdf3_fix): Add NOP and adjust length to prevent b2bst errata sequence. (sqrtdf2_fix): Likewise. 2017-12-05 Max Filippov Backport from mainline 2017-12-05 Max Filippov * config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New function. (TARGET_ASAN_SHADOW_OFFSET): New macro definition. * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): Set to 1 if ASAN is enabled. 2017-12-05 Max Filippov Backport from mainline 2017-05-08 Max Filippov * config/xtensa/xtensa-protos.h (xtensa_initial_elimination_offset): New declaration. * config/xtensa/xtensa.c (xtensa_initial_elimination_offset): New function. Move its body from the INITIAL_ELIMINATION_OFFSET macro definition, add case for FRAME_POINTER_REGNUM when FRAME_GROWS_DOWNWARD. * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition. (INITIAL_ELIMINATION_OFFSET): Replace body with call to xtensa_initial_elimination_offset. 2017-12-04 Eric Botcazou * config/sparc/sparc.c (sparc_do_work_around_errata): Use mem_ref instead of MEM_P in a couple more places. Fix formatting issues. 2017-12-04 Sebastian Peryt H.J. Lu Bakcported from trunk PR target/82941 PR target/82942 PR target/82990 * config/i386/i386.c (pass_insert_vzeroupper): Remove TARGET_AVX512F check from gate condition. (ix86_check_avx256_register): Changed to ... (ix86_check_avx_upper_register): ... this. Add extra check for VALID_AVX512F_REG_OR_XI_MODE. (ix86_avx_u128_mode_needed): Changed ix86_check_avx256_register to ix86_check_avx_upper_register. (ix86_check_avx256_stores): Changed to ... (ix86_check_avx_upper_stores): ... this. Changed ix86_check_avx256_register to ix86_check_avx_upper_register. (ix86_avx_u128_mode_after): Changed avx_reg256_found to avx_upper_reg_found. Changed ix86_check_avx256_stores to ix86_check_avx_upper_stores. (ix86_avx_u128_mode_entry): Changed ix86_check_avx256_register to ix86_check_avx_upper_register. (ix86_avx_u128_mode_exit): Ditto. (ix86_option_override_internal): Set MASK_VZEROUPPER if neither -mzeroupper nor -mno-zeroupper is used and TARGET_EMIT_VZEROUPPER is set. * config/i386/i386.h: (host_detect_local_cpu): New define. (TARGET_EMIT_VZEROUPPER): New. * config/i386/x86-tune.def: Add X86_TUNE_EMIT_VZEROUPPER 2017-12-01 Segher Boessenkool Backport from mainline 2017-11-28 Segher Boessenkool PR 81288/target * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not handle TARGET_ISEL && !TARGET_MFCRF differently. Simplify code. 2017-11-30 Jim Wilson Backport from mainline 2017-11-30 Jim Wilson * doc/invoke.texi (RISC-V Options): Delete nonexistent -mmemcpy and -mno-memcpy options. For -mplt, -mfdiv, -mdiv, -msave-restore, and -mstrict-align, add info on default value. Delete redundant lines for -mabi. Add missing -mexplicit-relocs docs. Backport from mainline 2017-11-01 Palmer Dabbelt * doc/invoke.texi (RISC-V Options): Use "@minus{}2 GB", not "-2 GB". * doc/invoke.texi (RISC-V Options): Explicitly name the medlow and medany code models, and describe what they do. 2017-10-27 Palmer Dabbelt PR target/82717 * doc/invoke.texi (RISC-V) <-mabi>: Correct and improve. 2017-11-29 Martin Jambor PR ipa/82808 * tree.c (expr_type_first_operand_type_p): New function. * tree.h (expr_type_first_operand_type_p): Declare it. * ipa-cp.c (ipa_get_jf_pass_through_result): Use it. 2017-11-29 Daniel Cederman * config/sparc/sparc.c (sparc_do_work_around_errata): Treat the movsi_pic_gotdata_op instruction as a load for the UT699 errata workaround. 2017-11-29 Martin Aberg * config/sparc/sparc.md (divdf3_fix): Add NOP and adjust length to prevent b2bst errata sequence. (sqrtdf2_fix): Likewise. 2017-11-29 Daniel Cederman * config/sparc/sparc.c (fpop_reg_depend_p): New function. (div_sqrt_insn_p): New function. (sparc_do_work_around_errata): Insert NOP instructions to prevent sequences that could trigger the TN-0013 errata for certain LEON3 processors. (pass_work_around_errata::gate): Also test sparc_fix_lost_divsqrt. (sparc_option_override): Set sparc_fix_lost_divsqrt appropriately. * config/sparc/sparc.md (fix_lost_divsqrt): New attribute. (in_branch_delay): Prevent div and sqrt in delay slot if fix_lost_divsqrt. * config/sparc/sparc.opt (sparc_fix_lost_divsqrt): New variable. 2017-11-29 Daniel Cederman * config/sparc/sparc.c (atomic_insn_p): New function. (sparc_do_work_around_errata): Insert NOP instructions to prevent sequences that could trigger the TN-0010 errata for UT700. * config/sparc/sync.md (atomic_compare_and_swap_leon3_1): Make instruction referable in atomic_insns_p. 2017-11-29 Daniel Cederman * config/sparc/sync.md (swapsi): 16-byte align if sparc_fix_gr712rc. (atomic_compare_and_swap_leon3_1): Likewise. (ldstub): Likewise. 2017-11-29 Daniel Cederman * config/sparc/sparc.c (fpop_insn_p): New function. (sparc_do_work_around_errata): Insert NOP instructions to prevent sequences that could trigger the TN-0012 errata for GR712RC. (pass_work_around_errata::gate): Also test sparc_fix_gr712rc. * config/sparc/sparc.md (fix_gr712rc): New attribute. (in_branch_annul_delay): Prevent floating-point instructions in delay slot of annulled integer branch. 2017-11-28 Jim Wilson Backport from mainline 2017-11-04 Andrew Waterman * config/riscv/riscv.c (riscv_option_override): Conditionally set TARGET_STRICT_ALIGN based upon -mtune argument. Backport from mainline 2017-05-04 Andrew Waterman * config/riscv/riscv.opt (mstrict-align): New option. * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it. Update comment. (SLOW_UNALIGNED_ACCESS): Define. (riscv_slow_unaligned_access): Declare. * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access field. (riscv_slow_unaligned_access): New variable. (rocket_tune_info): Set slow_unaligned_access to true. (optimize_size_tune_info): Set slow_unaligned_access to false. (riscv_cpu_info_table): Add entry for optimize_size_tune_info. (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN. (riscv_option_override): Set riscv_slow_unaligned_access. * doc/invoke.texi: Add -mstrict-align to RISC-V. Backport from mainline 2017-11-07 Michael Clark * config/riscv/linux.h (MUSL_ABI_SUFFIX): New define. (MUSL_DYNAMIC_LINKER): Likewise. 2017-11-27 Jim Wilson Backport from mainline 2017-10-25 Palmer Dabbelt * config/riscv/riscv.md (ZERO_EXTEND_LOAD): Define. * config/riscv/pic.md (local_pic_load): Rename to local_pic_load_s, mark as a sign-extending load. (local_pic_load_u): Define. Backport from mainline 2017-11-03 Kito Cheng * config/riscv/riscv.c (riscv_legitimize_move): Handle non-legitimate address. 2017-11-24 Segher Boessenkool Backport from mainline 2017-11-17 Segher Boessenkool PR rtl-optimization/82621 * combine.c (try_combine): Do not split PARALLELs of two SETs if the dest of one of those SETs is unused. 2017-11-23 Oleg Endo Backport from mainline 2017-11-23 Oleg Endo PR target/83111 * config/sh/sh.md (udivsi3, divsi3, sibcall_value_pcrel, sibcall_value_pcrel_fdpic): Use local variable instead of operands[3]. (calli_tbr_rel): Add missing operand 2. (call_valuei_tbr_rel): Add missing operand 3. 2017-11-22 Richard Biener Revert 2017-11-21 Martin Liska Backport from mainline 2017-11-21 Martin Liska PR rtl-optimization/82044 PR tree-optimization/82042 * dse.c (check_mem_read_rtx): Check for overflow. 2017-11-21 Martin Liska Backport from mainline 2017-10-27 Martin Liska PR gcov-profile/82457 * doc/invoke.texi: Document that one needs a non-strict ISO mode for fork-like functions to be properly instrumented. 2017-11-21 Pat Haugen Backport from mainline 2017-11-21 Pat Haugen * config/rs6000/ppc-asm.h (f50, vs50): Fix values. 2017-11-21 Thomas Preud'homme Backport from mainline 2017-11-09 Thomas Preud'homme * config/arm/arm.c (output_return_instruction): Add comments to indicate requirement for cmse_nonsecure_entry return to account for the size of clearing instruction output here. (thumb_exit): Likewise. * config/arm/thumb2.md (thumb2_cmse_entry_return): Fix length for return in hardfloat mode. 2017-11-21 Martin Liska Backport from mainline 2017-11-21 Martin Liska PR rtl-optimization/82044 PR tree-optimization/82042 * dse.c (check_mem_read_rtx): Check for overflow. 2017-11-21 Martin Liska Backport from mainline 2017-11-08 Martin Liska * gimplify.c (expand_FALLTHROUGH_r): Simplify usage of gimple_call_internal_p. 2017-11-21 Martin Liska Backport from mainline 2017-11-08 Martin Liska PR sanitizer/82792 * gimplify.c (expand_FALLTHROUGH_r): Skip IFN_ASAN_MARK. 2017-11-21 Martin Liska Backport from mainline 2017-10-31 Martin Liska PR gcov-profile/82633 * doc/gcov.texi: Document -fkeep-{static,inline}-functions and their interaction with GCOV infrastructure. 2017-11-21 Martin Liska Backport from mainline 2017-10-19 Martin Liska PR driver/81829 * file-find.c (remove_prefix): Remove. * file-find.h (remove_prefix): Likewise. * gcc-ar.c: Remove smartness of lookup. 2017-11-21 Martin Liska Backport from mainline 2017-10-18 Martin Liska PR sanitizer/82545 * asan.c (asan_expand_poison_ifn): Do not put gimple stmt on an abnormal edge. 2017-11-21 Martin Liska Backport from mainline 2017-10-11 Martin Liska * print-rtl.c (print_insn): Move declaration of idbuf to same scope as name. 2017-11-21 Claudiu Zissulescu Backport from mainline 2017-11-17 Vineet Gupta * config/arc/linux.h: GLIBC_DYNAMIC_LINKER update per glibc upstreaming review comments. 2017-11-21 Rainer Orth Backport from mainline 2017-11-14 Rainer Orth * config.gcc (*-*-solaris2*): Enable default_use_cxa_atexit since Solaris 11. Update comment. * configure.ac (gcc_cv_ld_pid): Adapt comment for Solaris 12 renaming. * config/sol2.h (STARTFILE_SPEC): Likewise. * configure: Regenerate. 2017-11-20 Segher Boessenkool Backport from mainline 2017-09-20 Segher Boessenkool PR target/77687 * config/rs6000/rs6000.md (stack_restore_tie): Store to a scratch address instead of to r1 and r11. 2017-11-17 Vineet Gupta * config.gcc: Remove uclibc from arc target spec. 2017-11-16 Uros Bizjak * config/i386/i386.c (x86_print_call_or_nop): Emit 5 byte nop explicitly as a stream of bytes. 2017-11-15 Richard Biener PR tree-optimization/82985 Backport from mainline 2017-08-15 Richard Biener PR tree-optimization/81790 * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both CONSTRUCTORs from simplifying and VN. 2017-11-15 Pierre-Marie de Rodat Backport from mainline 2017-09-25 Pierre-Marie de Rodat PR debug/82155 * dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl on the FUNCTION_DECL function context if it has a DIE that is a declaration. 2017-11-13 Rainer Orth Backport from mainline 2017-10-26 Rainer Orth * configure.ac (gcc_cv_as_ix86_xbrace_comment): Check if assembler supports -xbrace_comment option. * configure: Regenerate. * config.in: Regenerate. * config/i386/sol2.h (ASM_XBRACE_COMMENT_SPEC): Define. (ASM_CPU_SPEC): Use it. 2017-11-09 Segher Boessenkool Backport from mainline 2017-11-01 Segher Boessenkool PR rtl-optimization/64682 PR rtl-optimization/69567 PR rtl-optimization/69737 PR rtl-optimization/82683 * combine.c (distribute_notes) : If the new I2 sets the same register mentioned in the note, drop the note, unless it came from I3, in which case it should go to I3 again. 2017-11-07 Eric Botcazou Backport from mainline 2017-10-31 Matthew Fortune Eric Botcazou PR rtl-optimization/81803 * lra-constraints.c (curr_insn_transform): Also reload the whole register for a strict subreg no wider than a word if this is for a WORD_REGISTER_OPERATIONS target. 2017-11-03 Wilco Dijkstra PR middle-end/60580 * config/aarch64/aarch64.c (aarch64_frame_pointer_required) Check special value of flag_omit_frame_pointer. (aarch64_can_eliminate): Likewise. (aarch64_override_options_after_change_1): Simplify handling of -fomit-frame-pointer and -fomit-leaf-frame-pointer. 2017-11-01 Martin Jambor PR c++/81702 * gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert. 2017-10-31 Uros Bizjak PR target/82772 * config/alpha/sync.md (fetchop_constr) : Change to "rINM". 2017-10-27 Jakub Jelinek Backported from mainline 2017-10-12 Jakub Jelinek PR c++/82159 * expr.c (store_field): Don't optimize away bitsize == 0 store from CALL_EXPR with addressable return type. 2017-09-21 Jakub Jelinek PR sanitizer/81715 * tree-inline.c (expand_call_inline): Emit clobber stmts for VAR_DECLs to which addressable non-volatile parameters are mapped and for id->retvar after the return value assignment, though for -fsanitize=kernel-address only. Clear id->retval and id->retbnd after inlining. 2017-09-18 Jakub Jelinek PR c/82234 * doc/extend.texi: Add @findex entry for __builtin_shuffle. 2017-09-15 Jakub Jelinek PR rtl-optimization/82192 * combine.c (make_extraction): Don't look through non-paradoxical SUBREGs or TRUNCATE if pos + len is or might be bigger than inner's mode. 2017-10-27 Jakub Jelinek PR target/82703 * config/i386/i386-protos.h (maybe_get_pool_constant): Removed. * config/i386/i386.c (maybe_get_pool_constant): Removed. (ix86_split_to_parts): Use avoid_constant_pool_reference instead of maybe_get_pool_constant. * config/i386/predicates.md (zero_extended_scalar_load_operand): Likewise. 2017-10-24 Qing Zhao Wilco Dijkstra * builtins.c (expand_builtin_update_setjmp_buf): Add a converstion to Pmode from the buf_addr. 2017-10-20 Richard Biener PR tree-optimization/82603 * tree-if-conv.c (predicate_mem_writes): Make sure to only remove false predicated stores. 2017-10-20 Richard Biener Backport from mainline 2017-10-06 Richard Biener PR tree-optimization/82436 * tree-vect-slp.c (vect_supported_load_permutation_p): More conservatively choose the vectorization factor when checking whether we can perform the required load permutation. (vect_transform_slp_perm_load): Assert when we may not fail. 2017-10-19 Richard Earnshaw PR target/82445 * config/arm/arm.c (align_ok_ldrd_strd): New function. (mem_ok_for_ldrd_strd): New parameter align. Extract the alignment of the mem into it. (gen_operands_ldrd_strd): Validate the alignment of the accesses. 2017-10-18 Segher Boessenkool PR rtl-optimization/82602 * ira.c (rtx_moveable_p): Return false for volatile asm. 2017-10-18 Vladimir Makarov PR middle-end/82556 * lra-constraints.c (curr_insn_transform): Use non-input operand instead of output one for matched reload. 2017-10-17 Jakub Jelinek PR tree-optimization/82549 * fold-const.c (optimize_bit_field_compare, fold_truth_andor_1): Formatting fixes. Instead of calling make_bit_field_ref with negative bitpos return 0. 2017-10-13 Jakub Jelinek PR target/82274 * internal-fn.c (expand_mul_overflow): If both operands have the same highpart of -1 or 0 and the topmost bit of lowpart is different, overflow is if res <= 0 rather than res < 0. PR target/82524 * config/i386/i386.md (addqi_ext_1, andqi_ext_1, *andqi_ext_1_cc, *qi_ext_1, *xorqi_ext_1_cc): Change =Q constraints to +Q and into insn condition add check that operands[0] and operands[1] are equal. (*addqi_ext_2, *andqi_ext_2, *qi_ext_2): Change =Q constraints to +Q and into insn condition add check that operands[0] is equal to either operands[1] or operands[2]. 2017-10-10 Andreas Tobler Backported from mainline r253602 2017-10-10 Andreas Tobler * config.gcc: (armv7*-*-freebsd*): New target. (armv6*-*-freebsd*): Remove obsolete TARGET_FREEBSD_ARMv6 define. 2017-10-06 Christophe Lyon Backport from mainline r253242. 2017-09-27 Christophe Lyon PR target/71727 * config/aarch64/aarch64.c (aarch64_builtin_support_vector_misalignment): Always return false when misalignment is unknown. 2017-10-04 Jason Merrill PR c++/82406 - C++ error with noexcept function type PR c++/70029 - ICE with ref-qualifier and -flto * langhooks.h (struct lang_hooks_for_types): Add copy_lang_qualifiers. * attribs.c (build_type_attribute_qual_variant): Use it. * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to NULL. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check. 2017-10-02 Bill Schmidt Backport from mainline 2017-09-29 Bill Schmidt PR tree-optimization/82337 * gimple-ssa-strength-reduction.c (find_phi_def): Don't record a phi definition if the PHI result appears in an abnormal PHI. (find_basis_for_base_expr): Don't record a basis if the LHS of the basis appears in an abnormal PHI. 2017-09-30 Jakub Jelinek * config/i386/i386.c (ix86_split_idivmod): Use mode instead of always SImode for DIV and MOD in REG_EQUAL notes. Backported from mainline 2017-09-27 Jakub Jelinek PR c++/82159 * gimplify.c (gimplify_modify_expr): Don't optimize away zero sized lhs from calls if the lhs has addressable type. 2017-09-29 Krister Walfridsson Backport from mainline 2017-06-29 Maya Rashish PR target/77480 * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared objects. 2017-09-29 Krister Walfridsson Backport from mainline 2017-09-26 Krister Walfridsson PR target/39570 * gcc/config/netbsd-protos.h: New file. * gcc/config/netbsd.c: New file. * gcc/config/netbsd.h (SUBTARGET_INIT_BUILTINS): Define. * gcc/config/t-netbsd: New file. * gcc/config.gcc (tm_p_file): Add netbsd-protos.h. (tmake_file) Add t-netbsd. (extra_objs) Add netbsd.o. 2017-09-28 Krister Walfridsson Backport from mainline 2017-05-14 Krister Walfridsson PR target/80600 * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc. 2017-09-27 Christophe Lyon Backport from trunk r249639. 2017-06-26 Christophe Lyon * doc/sourcebuild.texi (ARM-specific attributes): Document new arm_neon_ok_no_float_abi effective target. 2017-09-26 Richard Biener Backport from mainline 2017-09-19 Richard Biener PR tree-optimization/82244 * tree-vrp.c (remove_range_assertions): Do not propagate a constant to abnormals but replace the assert with a copy. 2017-09-21 Richard Biener PR tree-optimization/82276 PR tree-optimization/82244 * tree-vrp.c (build_assert_expr_for): Set SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the variable we assert on has it set. (remove_range_assertions): Revert earlier change. 2017-09-20 Richard Biener PR tree-optimization/82264 * tree-ssa-sccvn.c (vn_phi_eq): Use safe_dyn_cast to check for GIMPLE_CONDs. (vn_phi_lookup): Likewise. (vn_phi_insert): Likewise. * is-a.h (safe_dyn_cast): New. 2017-09-25 Richard Biener PR tree-optimization/82285 * tree-vect-patterns.c (vect_recog_bool_pattern): Also handle enumeral types. 2017-09-22 Richard Biener PR tree-optimization/82291 * tree-if-conv.c (predicate_mem_writes): Make sure to remove writes in blocks predicated with false. 2017-09-21 Alan Modra PR target/81996 * gcc/config/rs6000/rs6000.c (rs6000_return_addr): Use stack_pointer_rtx for count 0. Update comments. Break up large rtl expression. 2017-09-21 Wilco Dijkstra PR target/71951 * config/aarch64/aarch64.h (LIBGCC2_UNWIND_ATTRIBUTE): Define. 2017-09-19 Uros Bizjak * config/i386/i386.c (fold_builtin_cpu): Add M_AMDFAM17H to processor_model and "amdfam17h" to arch_names_table. * doc/extend.texi (__builtin_cpu_is): Document amdfam17h CPU name. 2017-09-19 Martin Liska PR c++/81355 * config/i386/i386.c (sorted_attr_string): Skip empty strings. 2017-09-19 Martin Liska Revert backport: 2017-08-10 Martin Liska PR c++/81355 * c-attribs.c (handle_target_attribute): Report warning for an empty string argument of target attribute. 2017-09-18 Richard Biener Backport from mainline 2017-09-04 Richard Biener PR tree-optimization/82084 * fold-const.h (can_native_encode_string_p): Declare. * fold-const.c (can_native_encode_string_p): Factor out from ... (native_encode_string): ... here. * tree-vect-stmts.c (vectorizable_store): Call it to avoid vectorizing stores from constants we later cannot handle. 2017-09-06 Richard Biener PR tree-optimization/82108 * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment for gap in the non-permutation SLP case. 2017-09-15 Jakub Jelinek Backported from mainline 2017-09-14 Jakub Jelinek PR target/81325 * cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions if and where to split a bb, except for splitting before debug insn sequences followed by non-label real insn. Delete debug insns in between basic blocks. 2017-09-12 Jakub Jelinek PR target/82112 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion on it early, rather than manual conversion late. For ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion instead of performing manual conversion. 2017-09-15 Martin Liska Backport from mainline 2017-09-14 Martin Liska * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge): Add proper printf format. 2017-09-15 Martin Liska Backport from mainline 2017-08-30 Martin Liska PR inline-asm/82001 * ipa-icf-gimple.c (func_checker::compare_tree_list_operand): Rename to ... (func_checker::compare_asm_inputs_outputs): ... this function. (func_checker::compare_gimple_asm): Use the function to compare also ASM constrains. * ipa-icf-gimple.h: Rename the function. 2017-09-15 Martin Liska Backport from mainline 2017-08-29 Martin Liska PR other/39851 * gcc.c (driver_handle_option): Add new argument. * opts-common.c (handle_option): Pass target_option_override_hook. * opts-global.c (lang_handle_option): Add new option. (set_default_handlers): Add new argument. (decode_options): Likewise. * opts.c (target_handle_option): Likewise. (common_handle_option): Call target_option_override_hook. * opts.h (struct cl_option_handler_func): Add hook for target option override. (struct cl_option_handlers): Likewise. (set_default_handlers): Add new argument. (decode_options): Likewise. (common_handle_option): Likewise. (target_handle_option): Likewise. * toplev.c (toplev::main): Pass targetm.target_option.override hook. 2017-09-15 Martin Liska Backport from mainline 2017-08-10 Martin Liska PR c++/81355 * c-attribs.c (handle_target_attribute): Report warning for an empty string argument of target attribute. 2017-09-15 Martin Liska Backport from mainline 2017-08-08 Martin Liska PR tree-opt/81696 * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider LABEL_DECLs that can be from a different function. 2017-09-15 Martin Liska Backport from mainline 2017-06-28 Martin Liska PR ipa/81128 * ipa-visibility.c (non_local_p): Handle visibility. 2017-09-12 Bill Schmidt Backport from mainline 2017-09-05 Bill Schmidt PR target/81833 * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a define_insn to a define_expand. (altivec_vsum2sws_direct): New define_insn. (altivec_vsumsws): Convert from a define_insn to a define_expand. 2017-09-11 Max Filippov Backport from mainline PR target/82181 * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both words of DImode object are reachable by xtensa_uimm8x4 access. 2017-09-10 Bill Schmidt Backport from mainline 2017-05-11 Bill Schmidt PR target/80695 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Account for direct move costs for vec_construct of integer vectors. Backport from mainline 2017-07-23 Bill Schmidt PR target/80695 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Reduce cost estimate for direct moves. 2017-09-08 Eric Botcazou PR target/81988 * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32. (*mulsi3_sp64): New instruction. (mulsi3): New expander. 2017-09-07 Jakub Jelinek Backported from mainline 2017-09-05 Jakub Jelinek PR middle-end/81768 * omp-low.c (lower_omp_for): Recompute tree invariant if gimple_omp_for_initial/final is ADDR_EXPR. PR middle-end/81768 * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR into gimple val before gimplification fo the COND_EXPR. 2017-09-04 Jakub Jelinek * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto. 2017-09-01 Jakub Jelinek PR sanitizer/81923 * asan.c (create_odr_indicator): Strip name encoding from assembler name before appending it after __odr_asan_. 2017-08-09 Jakub Jelinek PR c/81687 * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL LABEL_DECLs. * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL or DECL_NONLOCAL labels. (move_stmt_r) : Adjust DECL_CONTEXT of FORCED_LABEL or DECL_NONLOCAL labels here. 2017-08-03 Jakub Jelinek PR target/81621 * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish after setting changeable df flags. PR driver/81650 * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??) instead of 10??LU, perform unit multiplication in wide_int, don't change alloc_object_size_limit if the limit is larger than SSIZE_MAX. PR middle-end/81052 * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp. (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd. 2017-09-06 Bill Schmidt Backport from mainline: 2017-08-30 Bill Schmidt PR tree-optimization/81987 * gimple-ssa-strength-reduction.c (insert_initializers): Don't insert an initializer in a location not dominated by the stride definition. 2017-09-05 Bill Schmidt Backport from mainline 2017-08-29 Bill Schmidt Jakub Jelinek Richard Biener PR tree-optimization/81503 * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure folded constant fits in the target type; reorder tests for clarity. 2017-09-05 Pierre-Marie de Rodat Backport from trunk PR ada/79542 * dwarf2out.c (modified_type_die): For C typedef types that have an ultimate origin, process the ultimate origin instead of the input type. (gen_typedef_die): Assert that input DECLs have no ultimate origin. (gen_type_die_with_usage): For typedef variants that have an ultimate origin, just call gen_decl_die on the original DECL. (process_scope_var): Avoid creating DIEs for local typedefs and concrete static variables. 2017-08-31 Bill Schmidt Backport from mainline 2017-08-25 Bill Schmidt PR target/81504 * config/rs6000/rs6000.c (find_alignment_op): Add reference parameter and_insn and return it. (recombine_lvx_pattern): Insert a copy to ensure availability of the base register of the copied masking operation at the point of the instruction replacement. (recombine_stvx_pattern): Likewise. 2017-08-29 Michael Meissner Back port from trunk 2017-08-07 Michael Meissner PR target/81593 * config/rs6000/vsx.md (vsx_concat__1): New combiner insns to recognize inserting into a vector from a double word element that was extracted from another vector, and eliminate extra XXPERMDI instructions. (vsx_concat__2): Likewise. (vsx_concat__3): Likewise. (vsx_set_, VSX_D): Rewrite vector set in terms of vector concat to allow optimizing inserts from previous extracts. 2017-08-29 Alan Modra Apply from mainline 2017-08-12 Alan Modra PR target/81170 PR target/81295 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to match gnu-user.h startfile. (ENDFILE_LINUX_SPEC): Similarly. 2017-08-08 Alan Modra H.J. Lu PR target/81170 PR target/81295 PR driver/81523 * gcc.c (NO_PIE_SPEC): Delete. (PIE_SPEC): Define as !no-pie/pie. Move static|shared|r exclusion.. (LINK_PIE_SPEC): ..to here. (LINK_COMMAND_SPEC): Support -no-pie. * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct chain of crtbegin*.o selection, update for PIE_SPEC changes and format. (GNU_USER_TARGET_ENDFILE_SPEC): Similarly. * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly. (ENDFILE_CRTEND_SPEC): Similarly. 2017-08-29 Richard Biener Backport from mainline 2017-08-28 Richard Biener PR tree-optimization/81977 * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through memcpy. 2017-08-28 Richard Biener PR debug/81993 * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes): Do nothing for removed DIEs. 2017-08-28 Richard Biener Backport from mainline 2017-06-14 Richard Biener PR middle-end/81088 * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from literal constants. (fold_binary_loc): When associating do not treat pre-existing TREE_OVERFLOW on literal constants as a reason to allow TREE_OVERFLOW on associated literal constants. 2017-06-13 Richard Biener PR middle-end/81065 * fold-const.c (extract_muldiv_1): Remove bogus distribution case of C * (x * C2 + C3). (fold_addr_of_array_ref_difference): Properly fold index difference. 2017-06-07 Marek Polacek PR sanitizer/80932 * fold-const.c (extract_muldiv_1) : Add TYPE_OVERFLOW_WRAPS check. 2017-08-28 Richard Biener Backport from mainline 2017-08-21 Richard Biener PR middle-end/81884 * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses at struct end conservatively when comparing common bases. 2017-05-04 Richard Biener * tree.c (array_at_struct_end_p): Handle arrays at struct end with flexarrays more conservatively. Refactor and treat arrays of arrays or aggregates more strict. Fix VIEW_CONVERT_EXPR handling. Remove allow_compref argument. * tree.h (array_at_struct_end_p): Adjust prototype. * gimple-fold.c (get_range_strlen): Likewise. * tree-chkp.c (chkp_may_narrow_to_field): Likewise. 2017-08-28 Richard Biener Backport from mainline 2017-08-01 Richard Biener PR tree-optimization/81181 * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ... (compute_antic): ... end of iteration here. 2017-08-08 Richard Biener PR tree-optimization/81723 * tree-vect-slp.c (struct bst_traits): New hash traits. (bst_fail): New global. (vect_build_slp_tree_2): New worker, split out from ... (vect_build_slp_tree): ... this now wrapping it with using bst_fail set to cache SLP tree build fails. Properly handle max_tree_size. (vect_analyze_slp_instance): Allocate and free bst_fail. 2017-08-24 Richard Biener PR target/81921 * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h and ipa-inline.h. (ix86_can_inline_p): When ix86_fpmath flags do not match check whether the callee uses FP math at all. 2017-08-23 Peter Bergner Backport from mainline 2017-08-17 Peter Bergner PR target/72804 * config/rs6000/vsx.md (*vsx_le_permute_): Add support for operands residing in integer registers. (*vsx_le_perm_load_): Likewise. (*vsx_le_perm_store_): Likewise. (define_peephole2): Add peepholes to optimize the above. 2017-08-22 Peter Bergner Backport from mainline 2017-08-17 Peter Bergner PR target/80210 * config/rs6000/rs6000.c (rs6000_activate_target_options): New function. (rs6000_set_current_function): Rewrite function to use it. 2017-08-22 Sebastian Huber Backport from mainline 2017-08-22 Sebastian Huber * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt. * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define. (DOT_SYMBOLS): Likewise. (MINIMAL_TOC_SECTION_ASM_OP): Likewise. (RELOCATABLE_NEEDS_FIXUP): Likewise. (RS6000_ABI_NAME): Likewise. (TARGET_CMODEL): Likewise. (TOC_SECTION_ASM_OP): Likewise. (SET_CMODEL): New macro. (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options. 2017-08-22 Georg-Johann Lay Backport from 2017-08-22 trunk r251256. PR target/81910 * config/avr/avr.c (avr_handle_addr_attribute): Early return if not VAR_P. Filter attribute warnings with OPT_Wattributes. (avr_attribute_table) : Initialize .decl_required with true. 2017-08-21 Georg-Johann Lay PR target/79883 * config/avr/avr.c (avr_set_current_function): Typo in diagnostic. 2017-08-19 Uros Bizjak PR target/81894 * doc/extend.texi (x86 Built-in Functions): Correct the name of __builtin_ia32_lzcnt_u16. 2017-08-17 Uros Bizjak Backport from mainline 2017-08-17 Maxim Ostapenko PR target/81861 * config/i386/i386.c (ix86_option_override_internal): Save target specific options after ix86_stack_protector_guard_reg was changed. 2017-08-16 Bill Schmidt Backport from mainline 2017-08-08 Bill Schmidt PR tree-optimization/81354 * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge): Insert on edges rather than explicitly creating landing pads. (analyze_candidates_and_replace): Commit edge inserts. 2017-08-15 Joseph Myers PR target/78460 PR target/67712 * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for constant count if that count is less than 32. 2017-08-14 Richard Biener * BASE-VER: Set to 7.2.1. 2017-08-14 Release Manager * GCC 7.2.0 released. 2017-08-08 Richard Biener PR middle-end/81766 * function.c (thread_prologue_and_epilogue_insns): Restore behavior of always calling find_many_sub_basic_blocks on the inserted prologue. 2017-08-02 Jakub Jelinek PR middle-end/79499 * function.c (thread_prologue_and_epilogue_insns): Determine blocks for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN of first NONDEBUG_INSN_P in each of the split_prologue_seq and prologue_seq sequences - if any. 2017-08-01 Uros Bizjak PR target/81641 * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel print "ds:" only for immediates in generic address space. 2017-08-01 Jakub Jelinek PR target/81622 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For __builtin_vec_cmpne verify both arguments are compatible vectors before looking at TYPE_MODE on the element type. For __builtin_vec_ld verify arg1_type is a pointer or array type. For __builtin_vec_st, move computation of aligned to after checking the argument types. Formatting fixes. 2017-08-01 Martin Liska Backport from mainline 2017-07-26 Martin Liska PR gcov-profile/81561 * gcov.c (unblock): Make unblocking safe as we need to preserve index correspondence of blocks and block_lists. 2017-08-01 Richard Biener PR tree-optimization/71752 PR tree-optimization/81633 * tree-vect-slp.c (vect_get_slp_defs): Handle null operands in the original suggested way. 2017-08-01 Richard Sandiford PR tree-optimization/80769 * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used for malloc and calloc. Document the new invariant that all related strinfos have delayed lengths or none do. (get_next_strinfo): New function. (verify_related_strinfos): Move earlier in file. (set_endptr_and_length): New function, split out from... (get_string_length): ...here. Also set the lengths of related strinfos. 2017-08-01 Jakub Jelinek PR tree-optimization/81588 * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If ranges[i].in_p, invert comparison code ccode. For >/>=, swap rhs1 and rhs2 and comparison code unconditionally, for rank is BIT_IOR_EXPR. 2017-07-31 Andreas Krebbel Backport from mainline 2017-07-31 Andreas Krebbel * config.gcc: Add z14. * config/s390/driver-native.c (s390_host_detect_local_cpu): Add CPU model numbers for z13s and z14. * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace arch12 with z14. * config/s390/s390-opts.h (enum processor_type): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14. * config/s390/s390.c (processor_table): Add field for CPU name to be passed to Binutils. (s390_asm_output_machine_for_arch): Use the new field in processor_table for Binutils. (s390_expand_builtin): Replace arch12 with z14. (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14. (s390_get_sched_attrmask): Likewise. (s390_get_unit_mask): Likewise. * config/s390/s390.opt: Add z14 to processor_type enum. 2017-07-31 Jakub Jelinek PR sanitizer/81604 * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't change type to the element type, instead add eltype variable and use it where we are interested in the element type. 2017-07-28 Peter Bergner Backport from mainline 2017-07-28 Peter Bergner * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define. (PPC_FEATURE2_SCV): Likewise. * config/rs6000/rs6000.c (cpu_supports_info): Use them. 2017-07-28 David Edelsohn Backport from mainline 2017-07-25 David Edelsohn * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote character for AIX. * dwarf2out.c (output_macinfo): Copy debug_line_section_label to dl_section_ref. On AIX, append an expression to subtract the size of the section length to dl_section_ref. 2017-07-28 Bin Cheng Backport from mainline r250496 2017-07-25 Bin Cheng PR target/81414 * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac instructions if no du chain is found. 2017-07-28 Sebastian Huber Backport from mainline 2017-07-28 Sebastian Huber * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h. Add rs6000/biarch64.h. * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro. (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise. (CRT_CALL_STATIC_FUNCTION): Likewise. (ASM_DEFAULT_SPEC): New define. (ASM_SPEC32): Likewise. (ASM_SPEC64): Likewise. (ASM_SPEC_COMMON): Likewise. (ASM_SPEC): Likewise. (INVALID_64BIT): Likewise. (LINK_OS_DEFAULT_SPEC): Likewise. (LINK_OS_SPEC32): Likewise. (LINK_OS_SPEC64): Likewise. (POWERPC_LINUX): Likewise. (PTRDIFF_TYPE): Likewise. (RESTORE_FP_PREFIX): Likewise. (RESTORE_FP_SUFFIX): Likewise. (SAVE_FP_PREFIX): Likewise. (SAVE_FP_SUFFIX): Likewise. (SIZE_TYPE): Likewise. (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise. (TARGET_64BIT): Likewise. (TARGET_64BIT): Likewise. (TARGET_AIX): Likewise. (WCHAR_TYPE_SIZE): Likewise. (WCHAR_TYPE): Undefine. (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines. (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC. (CPP_OS_RTEMS_SPEC): Delete. (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems. Add asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and link_os_spec64. * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs. 2017-07-28 Sebastian Huber Backport from mainline 2017-07-27 Sebastian Huber * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*). * config/riscv/rtems.h: New file. 2017-07-27 Eric Botcazou * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag earlier and only if MASK_FPU is set. Adjust formatting. 2017-07-27 Andreas Krebbel Backport from mainline 2017-07-27 Andreas Krebbel PR target/81534 * config/s390/s390.md ("*atomic_compare_and_swap_1") ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"): Change s_operand to memory_operand. 2017-07-27 Jakub Jelinek PR tree-optimization/81555 PR tree-optimization/81556 * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument, if true, force CHANGED for the recursive invocation. (reassociate_bb): Remember original length of ops array, pass len != orig_len as NEXT_CHANGED in rewrite_expr_tree call. 2017-07-27 Martin Liska Backport from mainline 2017-07-17 Martin Liska PR sanitizer/81302 * opts.c (finish_options): Do not allow -fgnu-tm w/ -fsanitize={kernel-,}address. Say sorry. 2017-07-27 Martin Liska Backport from mainline 2017-07-26 Martin Liska PR sanitize/81186 * function.c (expand_function_start): Make expansion of nonlocal_goto_save_area after parm_birth_insn. 2017-07-27 Martin Liska Backport from mainline 2017-06-30 Martin Liska PR sanitizer/81021 * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN before BUILT_IN_UNWIND_RESUME when ASAN is used. 2017-07-27 Martin Liska Backport from mainline 2017-06-28 Martin Liska PR sanitizer/81224 * asan.c (instrument_derefs): Bail out inner references that are hard register variables. 2017-07-26 Sebastian Huber Backport from mainline 2017-07-26 Sebastian Huber * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD. (sparc_option_override): Honour MASK_FSMULD. * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD. * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD. * config/sparc/sparc.opt (mfsmuld): New option. * doc/invoke.texi (mfsmuld): Document option. 2017-07-26 Georg-Johann Lay Backport from 2017-07-25 trunk r250499. PR 81487 * hsa-brig.c (brig_init): Use xasprintf instead of asprintf. * gimple-pretty-print.c (dump_probability): Same. * tree-ssa-structalias.c (alias_get_name): Same. 2017-07-26 Richard Biener Backport from mainline 2017-06-18 Richard Biener PR tree-optimization/81410 * tree-vect-stmts.c (vectorizable_load): Properly adjust for the gap in the ! slp_perm SLP case after each group. 2017-07-25 Richard Biener PR tree-optimization/81455 * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to not walk in cycles when looking for guards. 2017-07-25 Richard Biener PR middle-end/81505 * fold-const.c (fold_negate_const): TREE_OVERFLOW should be sticky. 2017-06-28 Jakub Jelinek PR target/81175 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin rather than def_builtin_pure for __builtin_ia32_gatherpf*. 2017-06-26 Richard Biener PR target/81175 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin_pure for all gather builtins. 2017-06-21 Marc Glisse * config/i386/i386.c (struct builtin_isa): New field pure_p. Reorder for compactness. (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p. (def_builtin_pure, def_builtin_pure2): New functions. (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure. 2017-07-26 Sebastian Huber Backport from mainline 2017-07-26 Sebastian Huber * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU from all CPU target flags enable members. 2017-07-26 Sebastian Huber Backport from mainline 2017-07-25 Sebastian Huber PR libgcc/61152 * config/aarch64/rtems.h: Add GCC Runtime Library Exception. Format changes. * config/arm/rtems.h: Likewise. * config/bfin/rtems.h: Likewise. * config/i386/rtemself.h: Likewise. * config/lm32/rtems.h: Likewise. * config/m32c/rtems.h: Likewise. * config/m68k/rtemself.h: Likewise. * config/microblaze/rtems.h: Likewise. * config/mips/rtems.h: Likewise. * config/moxie/rtems.h: Likewise. * config/nios2/rtems.h: Likewise. * config/rs6000/rtems.h: Likewise. * config/rtems.h: Likewise. * config/sh/rtems.h: Likewise. * config/sh/rtemself.h: Likewise. * config/sparc/rtemself.h: Likewise. 2017-07-25 Bill Schmidt Backport from mainline 2017-07-14 Bill Schmidt PR tree-optimization/81162 * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't replace a negate with an add. 2017-07-25 Georg-Johann Lay Backport from 2017-07-12 trunk r250151. PR target/81407 * config/avr/avr.c (avr_encode_section_info) [progmem && !TREE_READONLY]: Error if progmem object needs constructing. 2017-07-25 Wilco Dijkstra PR target/79041 * config/aarch64/aarch64.c (aarch64_classify_symbol): Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals. 2017-07-25 Georg-Johann Lay Backport from trunk r247719. 2017-05-06 Richard Sandiford PR rtl-optimization/75964 * simplify-rtx.c (simplify_const_relational_operation): Remove invalid handling of comparisons of integer ABS. 2017-07-25 Bin Cheng Backport from 2017-07-20 trunk r250384. PR tree-optimization/81388 Revert r238585: 2016-07-21 Bin Cheng * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up by removing computation of may_be_zero. 2017-07-23 Uros Bizjak PR target/80569 * config/i386/i386.c (ix86_option_override_internal): Disable BMI, BMI2 and TBM instructions for -m16. 2017-07-19 Michael Meissner Back port from trunk 2017-07-12 Michael Meissner PR target/81193 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC provides the hardware capability bits, define the macro __BUILTIN_CPU_SUPPORTS__. * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning if GLIBC does not provide the hardware capability bits. Add a gcc_unreachable call if the built-in cpu function is neither __builtin_cpu_is nor __builtin_cpu_supports. * doc/extend.texi (PowerPC built-in functions): Document that GLIBC 2.23 or newer is needed by __builtin_cpu_is and __builtin_cpu_supports. Document the macros defined by GCC if the newer GLIBC is available. 2017-07-18 Uros Bizjak PR target/81471 * config/i386/i386.md (rorx_immediate_operand): New mode attribute. (*bmi2_rorx3_1): Use rorx_immediate_operand as operand 2 predicate. (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as operand 2 predicate. (ror,rol -> rorx splitters): Use const_int_operand as operand 2 predicate. 2017-07-18 Tom de Vries backport from mainline: PR target/81069 2017-07-17 Tom de Vries * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late as possible. 2017-07-18 Georg-Johann Lay Backport from 2017-07-18 trunk r250301. PR target/81473 * config/avr/avr.c (avr_optimize_casesi): Don't use INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX. 2017-07-17 Jakub Jelinek PR tree-optimization/81428 * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1 can't be built for those types. PR tree-optimization/81365 * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting aggregate moves onto bb predecessor edges, make sure there are no loads that could alias the lhs in between the start of bb and the loads from *phi. Backported from mainline 2017-06-30 Jakub Jelinek PR target/81225 * config/i386/sse.md (vec_extract_lo_): For V8FI, V16FI and VI8F_256 iterators, use instead of nonimmediate_operand and instead of m for the input operand. For V8FI iterator, always split if input is a MEM. For V16FI and V8SF_256 iterators, don't test if both operands are MEM if . For VI4F_256 iterator, use instead of register_operand and instead of v for the input operand. Make sure both operands aren't MEMs for if not . 2017-07-17 Georg-Johann Lay Backport from 2017-07-17 trunk r250258. PR 80929 * config/avr/avr.c (avr_mul_highpart_cost): New static function. (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost. [LSHIFTRT, outer_code = TRUNCATE]: Same. 2017-07-17 Sebastian Huber Backport from mainline 2017-07-17 Sebastian Huber * gcc/config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add conditional builtin define __FIX_LEON3FT_B2BST. 2017-07-17 Daniel Cederman Backport from mainline 2017-07-17 Daniel Cederman * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc with -mfix-ut700. 2017-07-16 Eric Botcazou PR rtl-optimization/81424 * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg to remove potential trapping from operands if -fnon-call-exceptions. 2017-07-16 Daniel Cederman * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back to back store errata sensitive sequence from being generated. (sqrtdf2_fix): Likewise. 2017-07-12 Georg-Johann Lay Backport from 2017-07-12 trunk r250156. PR target/79883 * config/avr/avr.c (avr_set_current_function): In diagnostic messages: Quote keywords and (parts of) identifiers. [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or "INTERRUPT". 2017-07-11 Daniel Cederman * config/sparc/sparc.opt (mfix-ut700): New option. (mfix-gr712rc): Likewise. (sparc_fix_b2bst): New variable. * doc/invoke.texi (SPARC options): Document them. (ARM options): Fix warnings. * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP instructions to prevent sequences that can trigger the store-store errata for certain LEON3FT processors. (pass_work_around_errata::gate): Also test sparc_fix_b2bst. (sparc_option_override): Set sparc_fix_b2bst appropriately. * config/sparc/sparc.md (fix_b2bst): New attribute. (in_branch_delay): Prevent stores in delay slot if fix_b2bst. 2017-07-10 Uros Bizjak PR target/81375 * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH. (rcpps): Ditto. (*rsqrtsf2_sse): Ditto. (rsqrtsf2): Ditto. (div3): Macroize insn from divdf3 and divsf3 using MODEF mode iterator. 2017-07-07 Michael Meissner Backport from mainline 2017-07-07 Michael Meissner PR target/81348 * config/rs6000/rs6000.md (HI sign_extend splitter): Use the correct operand in doing the split. 2017-07-07 Jose E. Marchesi * config/sparc/m8.md: New file. * config/sparc/sparc.md: Include m8.md. 2017-07-07 Jose E. Marchesi * config/sparc/sparc.opt: New option -mvis4b. * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B. (sparc_option_override): Handle VIS4B. (enum sparc_builtins): Define SPARC_BUILTIN_DICTUNPACK{8,16,32}, SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL, SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL, SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and SPARC_BUILTIN_FPCMPUR{8,16,32}SHL. (check_constant_argument): New function. (sparc_vis_init_builtins): Define builtins __builtin_vis_dictunpack{8,16,32}, __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl, __builtin_vis_fpcmpu{le,gt}{8,16,32}shl, __builtin_vis_fpcmpde{8,16,32}shl and __builtin_vis_fpcmpur{8,16,32}shl. (sparc_expand_builtin): Check that the constant operands to __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed constant and in range. * config/sparc/sparc-c.c (sparc_target_macros): Handle TARGET_VIS4B. * config/sparc/sparc.h (SPARC_IMM2_P): Define. (SPARC_IMM5_P): Likewise. * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b". (enabled): Handle vis4b. (UNSPEC_DICTUNPACK): New unspec. (UNSPEC_FPCMPSHL): Likewise. (UNSPEC_FPUCMPSHL): Likewise. (UNSPEC_FPCMPDESHL): Likewise. (UNSPEC_FPCMPURSHL): Likewise. (cpu_feature): New CPU feature `vis4b'. (dictunpack{8,16,32}): New insns. (FPCSMODE): New mode iterator. (fpcscond): New code iterator. (fpcsucond): Likewise. (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns. (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise. (fpcmpde{8,16,32}{si,di}shl): Likewise. (fpcmpur{8,16,32}{si,di}shl): Likewise. * config/sparc/constraints.md: Define constraints `q' for unsigned 2-bit integer constants and `t' for unsigned 5-bit integer constants. * config/sparc/predicates.md (imm5_operand_dictunpack8): New predicate. (imm5_operand_dictunpack16): Likewise. (imm5_operand_dictunpack32): Likewise. (imm2_operand): Likewise. * doc/invoke.texi (SPARC Options): Document -mvis4b. * doc/extend.texi (SPARC VIS Built-in Functions): Document the ditunpack* and fpcmp*shl builtins. 2017-07-07 Jose E. Marchesi * config.gcc: Handle m8 in --with-{cpu,tune} options. * config.in: Add HAVE_AS_SPARC6 define. * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC M8. * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for TARGET_CPU_m8. (ASM_CPU32_DEFAUILT_SPEC): Likewise. (CPP_CPU_SPEC): Handle m8. (ASM_CPU_SPEC): Likewise. * config/sparc/sparc-opts.h (enum processor_type): Add PROCESSOR_M8. * config/sparc/sparc.c (m8_costs): New struct. (sparc_option_override): Handle TARGET_CPU_m8. (sparc32_initialize_trampoline): Likewise. (sparc64_initialize_trampoline): Likewise. (sparc_issue_rate): Likewise. (sparc_register_move_cost): Likewise. * config/sparc/sparc.h (TARGET_CPU_m8): Define. (CPP_CPU64_DEFAULT_SPEC): Define for M8. (ASM_CPU64_DEFAULT_SPEC): Likewise. (CPP_CPU_SPEC): Handle M8. (ASM_CPU_SPEC): Likewise. (AS_M8_FLAG): Define. * config/sparc/sparc.md: Add m8 to the cpu attribute. * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets. * configure.ac (HAVE_AS_SPARC6): Check for assembler support for M8 instructions. * configure: Regenerate. * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and -mtune=m8. 2017-07-07 Jose E. Marchesi * config/sparc/niagara7.md: Rework the DFA scheduler to use insn subtypes. * config/sparc/sparc.md: Remove the `v3pipe' insn attribute. ("*movdi_insn_sp32"): Do not set v3pipe. ("*movsi_insn"): Likewise. ("*movdi_insn_sp64"): Likewise. ("*movsf_insn"): Likewise. ("*movdf_insn_sp32"): Likewise. ("*movdf_insn_sp64"): Likewise. ("*zero_extendsidi2_insn_sp64"): Likewise. ("*sign_extendsidi2_insn"): Likewise. ("*mov_insn"): Likewise. ("*mov_insn_sp64"): Likewise. ("*mov_insn_sp32"): Likewise. ("3"): Likewise. ("3"): Likewise. ("*not_3"): Likewise. ("*nand_vis"): Likewise. ("*_not1_vis"): Likewise. ("*_not2_vis"): Likewise. ("one_cmpl2"): Likewise. ("faligndata_vis"): Likewise. ("alignaddrsi_vis"): Likewise. ("alignaddrdi_vis"): Likweise. ("alignaddrlsi_vis"): Likewise. ("alignaddrldi_vis"): Likewise. ("fcmp_vis"): Likewise. ("bmaskdi_vis"): Likewise. ("bmasksi_vis"): Likewise. ("bshuffle_vis"): Likewise. ("cmask8_vis"): Likewise. ("cmask16_vis"): Likewise. ("cmask32_vis"): Likewise. ("pdistn_vis"): Likewise. ("3"): Likewise. 2017-07-07 Jose E. Marchesi * config/sparc/sparc.md ("subtype"): New insn attribute. ("*wrgsr_sp64"): Set insn subtype. ("*rdgsr_sp64"): Likewise. ("alignaddrsi_vis"): Likewise. ("alignaddrdi_vis"): Likewise. ("alignaddrlsi_vis"): Likewise. ("alignaddrldi_vis"): Likewise. ("3"): Likewise. ("fexpand_vis"): Likewise. ("fpmerge_vis"): Likewise. ("faligndata_vis"): Likewise. ("bshuffle_vis"): Likewise. ("cmask8_vis"): Likewise. ("cmask16_vis"): Likewise. ("cmask32_vis"): Likewise. ("fchksm16_vis"): Likewise. ("v3"): Likewise. ("fmean16_vis"): Likewise. ("fp64_vis"): Likewise. ("v8qi3"): Likewise. ("3"): Likewise. ("3"): Likewise. ("3"): Likewise. ("v8qi3"): Likewise. ("3"): Likewise. ("*movqi_insn"): Likewise. ("*movhi_insn"): Likewise. ("*movsi_insn"): Likewise. ("movsi_pic_gotdata_op"): Likewise. ("*movdi_insn_sp32"): Likewise. ("*movdi_insn_sp64"): Likewise. ("movdi_pic_gotdata_op"): Likewise. ("*movsf_insn"): Likewise. ("*movdf_insn_sp32"): Likewise. ("*movdf_insn_sp64"): Likewise. ("*zero_extendhisi2_insn"): Likewise. ("*zero_extendqihi2_insn"): Likewise. ("*zero_extendqisi2_insn"): Likewise. ("*zero_extendqidi2_insn"): Likewise. ("*zero_extendhidi2_insn"): Likewise. ("*zero_extendsidi2_insn_sp64"): Likewise. ("ldfsr"): Likewise. ("prefetch_64"): Likewise. ("prefetch_32"): Likewise. ("tie_ld32"): Likewise. ("tie_ld64"): Likewise. ("*tldo_ldub_sp32"): Likewise. ("*tldo_ldub1_sp32"): Likewise. ("*tldo_ldub2_sp32"): Likewise. ("*tldo_ldub_sp64"): Likewise. ("*tldo_ldub1_sp64"): Likewise. ("*tldo_ldub2_sp64"): Likewise. ("*tldo_ldub3_sp64"): Likewise. ("*tldo_lduh_sp32"): Likewise. ("*tldo_lduh1_sp32"): Likewise. ("*tldo_lduh_sp64"): Likewise. ("*tldo_lduh1_sp64"): Likewise. ("*tldo_lduh2_sp64"): Likewise. ("*tldo_lduw_sp32"): Likewise. ("*tldo_lduw_sp64"): Likewise. ("*tldo_lduw1_sp64"): Likewise. ("*tldo_ldx_sp64"): Likewise. ("*mov_insn"): Likewise. ("*mov_insn_sp64"): Likewise. ("*mov_insn_sp32"): Likewise. 2017-07-07 Jose E. Marchesi * config/sparc/sparc.md ("type"): New insn type viscmp. ("fcmp_vis"): Set insn type to viscmp. ("fpcmp8_vis"): Likewise. ("fucmp8_vis"): Likewise. ("fpcmpu_vis"): Likewise. * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle viscmp. ("n7_vis_logical_11cycle"): Likewise. * config/sparc/niagara4.md ("n4_vis_logical"): Likewise. * config/sparc/niagara2.md ("niag3_vis": Likewise. * config/sparc/niagara.md ("niag_vis"): Likewise. * config/sparc/ultra3.md ("us3_fga"): Likewise. * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise. 2017-07-07 Jose E. Marchesi * config/sparc/sparc.md: New instruction type `bmask'. (bmaskdi_vis): Use the `bmask' type. (bmasksi_vis): Likewise. * config/sparc/ultra3.md (us3_array): Likewise. * config/sparc/niagara7.md (n7_array): Likewise. * config/sparc/niagara4.md (n4_array): Likewise. * config/sparc/niagara2.md (niag2_vis): Likewise. (niag3_vis): Likewise. * config/sparc/niagara.md (niag_vis): Likewise. 2017-07-05 Georg-Johann Lay Backport from 2017-07-05 trunk r249995. PR target/81305 * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]: Don't depend on "optimize > 0". (out_movhi_r_mr, out_movqi_mr_r): Same. (out_movhi_mr_r, out_movqi_r_mr): Same. (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for io_address_operand on "optimize > 0". 2017-07-04 Uros Bizjak PR target/81300 * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes): Require dead FLAGS_REG at the beginning of a peephole. 2017-07-04 Uros Bizjak PR target/81294 * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y arguments in the call to __builtin_ia32_sbb_u32. (_subborrow_u64): Swap _X and _Y arguments in the call to __builtin_ia32_sbb_u64. 2017-07-03 Segher Boessenkool Backport from trunk: 2017-06-15 Segher Boessenkool * config/rs6000/rs6000.md (add3): Use reg_or_subregno instead of REGNO. 2017-07-03 Tom de Vries backport from mainline: PR tree-optimization/81192 2017-07-03 Tom de Vries * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle BB_SAME_SUCC (bb) == NULL. 2017-06-29 Michael Meissner Backport from mainline 2017-06-23 Michael Meissner PR target/80510 * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in 32-bit, since indexed is not valid for DImode. (mov_hardfloat32): Reorder ISA 2.07 load/stores before ISA 3.0 d-form load/stores to be the same as mov_hardfloat64. (define_peephole2 for Altivec d-form load): Add 32-bit support. (define_peephole2 for Altivec d-form store): Likewise. Backport from mainline 2017-06-20 Michael Meissner PR target/79799 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support for doing vector set of SFmode on ISA 3.0. * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise. (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF element. (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a SFmode value into a V4SF variable that was extracted from another V4SF variable without converting the element to double precision and back to single precision vector format. (vsx_insert_extract_v4sf_p9_2): Likewise. 2017-06-29 Richard Biener Backport from mainline 2017-06-19 Richard Biener PR ipa/81112 * ipa-prop.c (find_constructor_constant_at_offset): Handle RANGE_EXPR conservatively. 2017-06-28 Richard Biener Backport from mainline 2017-06-09 Richard Biener PR middle-end/81007 * ipa-polymorphic-call.c (ipa_polymorphic_call_context::restrict_to_inner_class): Skip FIELD_DECLs with error_mark_node type. * passes.def (all_lowering_passes): Run pass_build_cgraph_edges last again. 2017-06-14 Richard Biener PR tree-optimization/81083 * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals as values. 2017-06-27 Segher Boessenkool Backports from trunk: 2017-05-17 Segher Boessenkool PR middle-end/80692 * real.c (do_compare): Give decimal_do_compare preference over comparing just the signs. 2017-05-31 Segher Boessenkool PR target/80618 * config/rs6000/vector.md (*vector_uneq): Write the nor in the splitter result in the canonical way. 2017-06-09 Segher Boessenkool PR target/80966 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that gen_add3_insn did not fail. * config/rs6000/rs6000.md (add3): If asked to add a constant to r0, construct that number in a temporary reg and add that reg to r0. If asked to put the result in r0 as well, fail. 2017-06-23 Segher Boessenkool PR middle-end/80902 * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after a call, force the call to not be a tail call. 2017-06-27 Jakub Jelinek PR sanitizer/81209 * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var. PR middle-end/81207 * gimple-fold.c (replace_call_with_call_and_fold): Handle gimple_vuse copying separately from gimple_vdef copying. 2017-06-24 Jim Wilson * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to here. * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here. * config/arm/arm-cpu-cdata.h: Regenerate. * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise. * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise. * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries. * config/arm/arm.c (arm_qdf24xx_tune): Delete. * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx support. * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx support. * config/arm/t-rmprofile: Likewise. * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support. 2017-06-24 Marek Polacek Backport from mainline 2017-05-04 Marek Polacek PR tree-optimization/80612 * calls.c (get_size_range): Check for INTEGRAL_TYPE_P. 2017-06-23 Thomas Preud'homme Backport from mainline 2017-05-04 Prakhar Bahuguna * config/arm/arm-builtins.c (arm_init_builtins): Rename __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename __builtin_arm_stfscr to __builtin_arm_set_fpscr. 2017-06-23 Jonathan Wakely PR c++/81187 * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from -Wnoexcept. 2017-06-22 Martin Liska Backport from mainline 2017-06-19 Martin Liska PR sanitizer/80879 * gimplify.c (gimplify_switch_expr): Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST. 2017-06-22 Martin Liska Backport from mainline 2017-05-31 Martin Liska PR target/79155 * config/i386/cpuid.h: Fix typo in a comment in cpuid.h. 2017-06-22 Martin Liska Backport from mainline 2017-05-30 Martin Liska PR other/80909 * auto-profile.c (get_function_decl_from_block): Fix parenthesis. 2017-06-22 Martin Liska Backport from mainline 2017-05-26 Martin Liska PR ipa/80663 * params.def: Bound partial-inlining-entry-probability param. 2017-06-22 Martin Liska Backport from mainline 2017-05-16 Martin Liska PR ipa/79849. PR ipa/79850. * ipa-devirt.c (warn_types_mismatch): Fix typo. (odr_types_equivalent_p): Likewise. 2017-06-22 Martin Liska Backport from mainline 2017-05-15 Martin Liska PR driver/31468 * gcc.c (process_command): Do not allow empty argument of -o option. 2017-06-22 Martin Liska Backport from mainline 2017-05-02 Martin Liska * doc/gcov.texi: Add missing preposition. * gcov.c (function_info::function_info): Properly fill up all member variables. 2017-06-22 Martin Liska Backport from mainline 2017-05-02 Martin Liska PR other/80589 * common.opt: Fix typo. * doc/invoke.texi: Likewise. 2017-06-22 Martin Liska Backport from mainline 2017-04-28 Martin Liska * doc/gcov.texi: Enhance documentation of gcov. 2017-06-22 Martin Liska Backport from mainline 2017-04-28 Martin Liska * doc/gcov.texi: Sort options in alphabetic order. * doc/gcov-dump.texi: Likewise. * doc/gcov-tool.texi: Likewise. * gcov.c (print_usage): Likewise. * gcov-dump.c (print_usage): Likewise. * gcov-tool.c (print_merge_usage_message): Likewise. (print_rewrite_usage_message): Likewise. (print_overlap_usage_message): Likewise. 2017-06-22 Martin Liska Backport from mainline 2017-04-28 Martin Liska PR gcov-profile/53915 * gcov.c (format_gcov): Print 'NAN %' when top > bottom. 2017-06-22 Martin Liska Backport from mainline 2017-04-28 Martin Liska PR driver/56469 * coverage.c (coverage_remove_note_file): New function. * coverage.h: Declare the function. * toplev.c (finalize): Clean if an error has been seen. 2017-06-21 Jakub Jelinek PR target/81151 * config/i386/sse.md (round2): Renumber match_dup and operands indexes to avoid gap between operands and match_dups. PR c++/81130 * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types with ctors/dtors if GOVD_SHARED is set. Backported from mainline 2017-06-20 Jakub Jelinek PR target/81121 * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Require TARGET_SSE2 in the condition. PR sanitizer/81125 * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser by removing enum keyword. (ubsan_type_descriptor): Likewise. Formatting fix. 2017-06-19 Jakub Jelinek PR sanitizer/81125 * ubsan.h (enum ubsan_encode_value_phase): New. (ubsan_encode_value): Change second argument to enum ubsan_encode_value_phase with default value of UBSAN_ENCODE_VALUE_GENERIC. * ubsan.c (ubsan_encode_value): Change second argument to enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P, adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just create_tmp_var_raw instead of create_tmp_var and use a TARGET_EXPR. (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin, instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust ubsan_encode_value callers. PR sanitizer/81111 * ubsan.c (ubsan_encode_value): If current_function_decl is NULL, use create_tmp_var_raw instead of create_tmp_var, mark it addressable just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR. 2017-06-20 James Greenhalgh Backport from Mainline * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected feature string. 2017-06-20 Andreas Schwab PR target/80970 * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d" instead of "+d". 2017-06-19 James Greenhalgh Backport from mainline 2017-06-19 James Greenhalgh PR target/71778 * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET if given a non-constant argument for an intrinsic which requires a constant. 2017-06-19 Alexander Monakov * doc/invoke.texi (mcx16): Rewrite. 2017-06-15 Eric Botcazou PR rtl-optimization/80474 * reorg.c (update_block): Do not ignore instructions in a delay slot. 2017-06-14 Eric Botcazou * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3. (MASK_FEATURES): New macro. * config/sparc/sparc.c (sparc_option_override): Remove the special handling of -mfpu and generalize it to all MASK_FEATURES switches. 2017-06-14 Eric Botcazou * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry. 2017-06-12 David S. Miller PR target/80968 * config/sparc/sparc.md (return expander): Emit frame blockage if function uses alloca. 2017-06-08 Uros Bizjak PR target/81015 Revert: 2016-12-14 Uros Bizjak PR target/59874 * config/i386/i386.md (*ctzhi2): New insn_and_split pattern. (*clzhi2): Ditto. 2017-06-08 David Edelsohn Backport from mainline 2017-06-02 David Edelsohn * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New. (dl_section_ref): New. (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref. On AIX, append an expression to subtract the size of the section length to dl_section_ref. 2017-06-07 Richard Biener Backport from mainline 2017-05-02 Richard Biener PR tree-optimization/80549 * tree-cfgcleanup.c (mfb_keep_latches): New helper. (cleanup_tree_cfg_noloop): Create forwarders to known loop headers if they do not have a preheader. 2017-05-26 Richard Biener PR tree-optimization/80842 * tree-ssa-ccp.c (set_lattice_value): Always meet with the old value. 2017-05-31 Richard Biener PR tree-optimization/80906 * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get and pass through iv_map. (copy_bb_and_scalar_dependences): Adjust. (translate_pending_phi_nodes): Likewise. (copy_loop_close_phi_args): Handle code-generating IVs instead of ICEing. 2017-05-11 Richard Biener PR tree-optimization/80705 * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED bases are not vectorizable. 2017-06-06 Michael Meissner Back port from mainline 2017-05-19 Michael Meissner PR target/80718 * config/rs6000/vsx.md (vsx_splat_, VSX_D iterator): Prefer VSX registers over GPRs, particularly on ISA 2.07 which does not have the MTVSRDD instruction. 2017-06-06 David S. Miller PR target/80968 * config/sparc/sparc.c (sparc_expand_prologue): Emit frame blockage if function uses alloca. 2017-06-05 Volker Reichelt * doc/invoke.texi (-Wduplicated-branches): Add to warning list. 2017-06-02 Prakhar Bahuguna Backport from mainline 2017-05-05 Andre Vieira Prakhar Bahuguna PR target/71607 * config/arm/arm.md (use_literal_pool): Remove. (64-bit immediate split): No longer takes cost into consideration if arm_disable_literal_pool is enabled. * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is used when arm_disable_literal_pool is enabled. (arm_max_const_double_inline_cost): Remove use of arm_disable_literal_pool. (push_minipool_fix): Add assert. (arm_reorg): Add return if arm_disable_literal_pool is enabled. * config/arm/vfp.md (no_literal_pool_df_immediate): New. (no_literal_pool_sf_immediate): New. 2017-06-02 Jakub Jelinek PR rtl-optimization/80903 * loop-doloop.c (add_test): Unshare sequence. 2017-05-31 Martin Jambor Backport from mainline 2017-04-24 Martin Jambor PR tree-optimization/80293 * tree-sra.c (scalarizable_type_p): New parameter const_decl, make char arrays not totally scalarizable if it is false. (analyze_all_variable_accesses): Pass correct value in the new parameter. Add a statistics counter. 2017-05-30 Max Filippov Backport from mainline 2017-05-29 Max Filippov * config/xtensa/xtensa.c (xtensa_emit_call): Use HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string. (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld format string. 2017-05-29 Eric Botcazou * doc/install.texi (Options specification): Restore entry of --enable-sjlj-exceptions. 2017-05-29 Andreas Krebbel Backport from mainline 2017-05-24 Andreas Krebbel PR target/80725 * config/s390/s390.c (s390_check_qrst_address): Check incoming address against address_operand predicate. * config/s390/s390.md ("*indirect_jump"): Swap alternatives. 2017-05-28 Uros Bizjak Backport from mainline 2017-05-23 Uros Bizjak * config/i386/i386.md (*movdi_internal): Remove SSE4 alternative 18 (?r, *v). Update insn attributes. (*movsi_internal): Remove SSE4 alternative 13 (?r, *v). Update insn attributes. (*zero_extendsidi2): Remove SSE4 alternative (?r, *x). Update insn attributes. * config/i386/sse.md (vec_extract_0): Remove SSE4 alternative 1 (r, v). Remove isa attribute. * config/i386/i386.c (dimode_scalar_chain::make_vector_copies): Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC and !TARGET_INTER_UNIT_MOVES_TO_VEC targets. 2017-05-16 Uros Bizjak * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r) and (?*y,m). Update insn attributes. 2017-05-26 Sheldon Lobo Backported from mainline 2017-05-24 Sheldon Lobo * config/sparc/sparc.md (length): Return the correct value for -mflat sibcalls to match output_sibcall. 2017-05-26 Marek Polacek Backported from mainline 2017-05-26 Marek Polacek PR sanitizer/80875 * fold-const.c (fold_binary_loc) : Check if OP1 can be negated. 2017-05-26 Jakub Jelinek Backported from mainline 2017-05-22 Jakub Jelinek PR middle-end/80809 * omp-low.c (finish_taskreg_remap): New function. (finish_taskreg_scan): If unit size of ctx->record_type is non-constant, unshare the size expression and replace decls in it with possible outer var refs. PR middle-end/80809 * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use GOVD_SHARED rather than GOVD_PRIVATE with it. (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE. PR middle-end/80853 * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE as last argument to build_outer_var_ref for pointer bases of array section reductions. 2017-05-25 Michael Meissner Backport from trunk 2017-05-18 Michael Meissner PR target/80510 * config/rs6000/predicates.md (simple_offsettable_mem_operand): New predicate. * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator. (define_peephole2 for Altivec d-form load): Add peepholes to catch cases where the register allocator uses a move and an offsettable memory operation to/from a FPR register on ISA 2.06/2.07. (define_peephole2 for Altivec d-form store): Likewise. Backport from trunk 2017-05-09 Michael Meissner PR target/68163 * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that are now unused after splitting mov{sf,sd}_hardfloat. (f32_lr2): Likewise. (f32_lm): Likewise. (f32_lm2): Likewise. (f32_li): Likewise. (f32_li2): Likewise. (f32_lv): Likewise. (f32_sr): Likewise. (f32_sr2): Likewise. (f32_sm): Likewise. (f32_sm2): Likewise. (f32_si): Likewise. (f32_si2): Likewise. (f32_sv): Likewise. (f32_dm): Likewise. (f32_vsx): Likewise. (f32_av): Likewise. (mov_hardfloat): Split into separate movsf and movsd pieces. For movsf, order stores so the VSX stores occur before the GPR store which encourages the register allocator to use a traditional FPR instead of a GPR. For movsd, order the stores so that the GPR store comes before the VSX stores to allow the power6 to work. This is due to the power6 not having a 32-bit integer store instruction from a FPR. (movsf_hardfloat): Likewise. (movsd_hardfloat): Likewise. 2017-05-25 Wilco Dijkstra Backport from mainlin PR rtl-optimization/80754 * lra-remat.c (do_remat): Add overlap checks for dst_regno. 2017-05-25 Wilco Dijkstra Backport from mainline PR target/80671 * config/aarch64/cortex-a57-fma-steering.c (merge_forest): Move member access before delete. 2017-05-23 Sheldon Lobo Backport from mainline 2017-05-18 Sheldon Lobo * config/sparc/sparc.c (sparc_option_override): Set function alignment for -mcpu=niagara7 to 64 to match the I$ line. * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch latency to 1. * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch latency to 2. * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo. 2017-05-19 Uros Bizjak Backport from mainline 2017-05-18 Uros Bizjak PR target/80799 * config/i386/mmx.md (*mov_internal): Enable alternatives 11, 12, 13 and 14 also for 32bit targets. Remove alternatives 15, 16, 17 and 18. * config/i386/sse.md (vec_concatv2di): Change alternative (!x, *y) to (x, ?!*Yn). 2017-05-14 Uros Bizjak Backport from mainline 2017-05-11 Uros Bizjak PR target/80706 * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec. (UNSPEC_STX_ATOMIC): Ditto. (loaddi_via_sse): New insn. (storedi_via_sse): Ditto. (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse. Update corresponding peephole2 patterns. (atomic_storedi_fpu): Ditto. 2017-05-13 Bill Schmidt Backport from mainline 2017-05-05 Bill Schmidt * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var. (rs6000_init_cost): Initialize rs6000_vect_nonmem. (rs6000_add_stmt_cost): Update rs6000_vect_nonmem. (rs6000_finish_cost): Avoid vectorizing simple copy loops with VF=2 that require versioning. 2017-05-12 Bill Schmidt Backport from mainline 2017-05-10 Bill Schmidt * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8 built-ins for vec_xl and vec_xst with short and char pointer arguments. 2017-05-10 John David Anglin PR target/80090 * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF, handle calling assemble_external ourself. PR target/79027 * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from modes with zero size. Enhance comment. 2017-05-09 Michael Meissner Back port from mainline 2017-05-05 Michael Meissner PR target/79038 PR target/79202 PR target/79203 * config/rs6000/rs6000.md (u code attribute): Add FIX and UNSIGNED_FIX. (extendsi2): Add support for doing sign extension via VUPKHSW and XXPERMDI if the value is in Altivec registers and we don't have ISA 3.0 instructions. (extendsi2 splitter): Likewise. (fix_truncsi2): If we are at ISA 2.07 (VSX small integer), generate the normal insns since SImode can now go in vector registers. Disallow the special UNSPECs needed for previous machines to hide SImode being used. Add new insns fctiw{,w}__smallint if SImode can go in vector registers. (fix_truncsi2_stfiwx): Likewise. (fix_truncsi2_internal): Likewise. (fixuns_truncsi2): Likewise. (fixuns_truncsi2_stfiwx): Likewise. (fctiwz__smallint): Likewise. (fctiwz__mem): New combiner pattern to prevent conversion of floating point to 32-bit integer from doing a direct move to the GPR registers to do a store. (fctiwz_): Break long line. 2017-05-08 Tamar Christina PR middle-end/79665 * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR cases. 2017-05-03 Jan Beulich Backport from mainline 2017-05-01 Jan Beulich * config/i386/sse.md (xop_vpermil23): Do not allow operand swapping, add (x,x,m,x,n) alternative. 2017-05-03 Richard Biener Backport from mainline 2017-04-20 Richard Biener PR tree-optimization/80453 * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members. * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs from the conditions. (vn_phi_eq): Pass them down. (vn_phi_lookup): Record them. (vn_phi_insert): Likewise. 2017-04-25 Richard Biener PR tree-optimization/80492 * alias.c (compare_base_decls): Handle registers with asm specification conservatively. 2017-04-27 Richard Biener PR middle-end/80539 * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not being in loop-closed SSA form conservatively. (chrec_fold_multiply_poly_poly): Likewise. 2017-05-02 Uros Bizjak Backport from mainline 2017-05-01 Uros Bizjak PR target/68491 * config/i386/cpuid.h (__get_cpuid): Always return 0 when __get_cpuid_max returns 0. (__get_cpuid_count): Ditto. 2017-05-02 Jakub Jelinek Backported from mainline 2017-04-25 Jakub Jelinek * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the environment. 2017-05-02 Jakub Jelinek * BASE-VER: Set to 7.1.1. 2017-05-02 Release Manager * GCC 7.1.0 released. 2017-05-02 Richard Biener PR tree-optimization/80591 Revert 2017-04-10 Richard Biener * tree-ssa-structalias.c (find_func_aliases): Properly handle asm inputs. 2017-04-28 Jakub Jelinek PR bootstrap/80531 * cgraph.h (symtab_node::debug_symtab): No longer inline. * symtab.c (symtab_node::debug_symtab): Move definition here. 2017-04-27 Richard Earnshaw PR target/80530 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure that the logic for permitting reciprocal estimates matches that in use_rsqrt_p. 2017-04-27 Jakub Jelinek PR c++/80534 * tree.c (type_cache_hasher::equal): Only compare TYPE_TYPELESS_STORAGE flag on non-aggregate element types. (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on non-aggregate element types. * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details about the flag on ARRAY_TYPEs in the comment, formatting fix. PR target/79430 * reg-stack.c (emit_swap_insn): If i1src mentions the stack pointer, punt if tmp contains autoinc of stack pointer. PR target/77728 * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove. (aarch64_function_arg_alignment): Return unsigned int again, but still ignore TYPE_FIELDS chain decls other than FIELD_DECLs. (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller. Don't emit -Wpsabi note. (aarch64_function_arg_boundary): Likewise. (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment caller. 2017-04-25 Martin Sebor PR tree-optimization/80497 * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer constants are representable in HOST_WIDE_INT. (parse_directive): Ditto. 2017-04-25 Marek Polacek 2017-04-25 Marek Polacek Backport from mainline PR sanitizer/80349 * fold-const.c (fold_binary_loc) : Convert arg0's first argument to type. 2017-04-25 Ramana Radhakrishnan Jakub Jelinek PR target/77728 * config/arm/arm.c: Include gimple.h. (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align returns negative, increment ncrn only if it returned positive. (arm_needs_doubleword_align): Return int instead of bool, ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain members, but if there is any such non-FIELD_DECL > PARM_BOUNDARY aligned decl, return -1 instead of false. (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align returns negative, increment nregs only if it returned positive. (arm_setup_incoming_varargs): Likewise. (arm_function_arg_boundary): Emit -Wpsabi note if arm_needs_doubleword_align returns negative, return DOUBLEWORD_ALIGNMENT only if it returned positive. 2017-04-25 Bill Seurer Backport from mainline PR target/80482 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change type checks to test for compatibility instead of equality. 2017-04-25 Ramana Radhakrishnan Jakub Jelinek PR target/77728 * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New type. (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment struct. Ignore DECL_ALIGN of decls other than FIELD_DECL for the alignment computation, but return their maximum in warn_alignment. (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller. Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment is smaller. (aarch64_function_arg_boundary): Likewise. Simplify using MIN/MAX. (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment caller. 2017-04-25 Andreas Krebbel Backport from mainline 2017-04-25 Andreas Krebbel PR target/80464 * config/s390/vector.md: Split MEM->GPR vector moves for non-s_operand addresses. 2017-04-25 Andreas Krebbel Backport from mainline 2017-04-25 Andreas Krebbel PR target/79895 * config/s390/predicates.md (reload_const_wide_int_operand): New predicate. * config/s390/s390.md ("movti"): Remove d/P alternative. ("movti_bigconst"): New pattern definition. 2017-04-25 Dominik Vogt Backport from maineline 2017-04-25 Dominik Vogt PR target/80080 * s390-protos.h (s390_expand_cs_hqi): Removed. (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes. * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer modes as well as CCZ1mode and CCZmode. (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new signature of s390_emit_compare_and_swap. (s390_expand_cs_hqi): Likewise, make static. (s390_expand_cs_tdsi): Generate an explicit compare before trying compare-and-swap, in some cases. (s390_expand_cs): Wrapper function. (s390_expand_atomic_exchange_tdsi): New backend specific expander for atomic_exchange. (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode. * config/s390/s390.md ("atomic_compare_and_swap"): Merge the patterns for small and large integers. Forbid symref memory operands. Move expander to s390.c. Require cc register. ("atomic_compare_and_swap_internal") ("*atomic_compare_and_swap_1") ("*atomic_compare_and_swapdi_2") ("*atomic_compare_and_swapsi_3"): Use s_operand to forbid symref memory operands. Remove CC mode and call s390_match_ccmode instead. ("atomic_exchange"): Allow and implement all integer modes. 2017-04-25 Dominik Vogt Backport from mainline 2017-04-25 Dominik Vogt * config/s390/s390.md (define_peephole2): New peephole to help combining the load-and-test pattern with volatile memory. 2017-04-25 Dominik Vogt Backport from mainline 2017-04-25 Dominik Vogt * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal with CCZmode for TARGET_Z196. 2017-04-25 Jakub Jelinek PR rtl-optimization/80501 * combine.c (make_compound_operation_int): Set subreg_code to SET even for AND with mask of the sign bit of mode. PR rtl-optimization/80500 * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on sum's initial value. 2017-04-24 Martin Liska Backport from mainline 2017-04-24 Jan Hubicka PR middle-end/79931 * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE. 2017-04-20 Alexander Monakov Backport from mainline 2017-04-20 Alexander Monakov * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and lastprivate clauses in SIMT case. 2017-04-20 Matthew Fortune Backport from mainline 2017-04-20 Matthew Fortune * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix uninitialized variable warning to avoid buffer overrun. 2017-04-20 Jakub Jelinek * DEV-PHASE: Set to prerelease. 2017-04-20 Thomas Preud'homme * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default priority .init_array and .fini_array section with SECTION_NOTYPE flag. 2017-04-20 Jakub Jelinek PR middle-end/80423 * tree.h (build_array_type): Add typeless_storage default argument. * tree.c (type_cache_hasher::equal): Also compare TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs. (build_array_type): Add typeless_storage argument, set TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to recursive call. (build_nonshared_array_type): Adjust build_array_type_1 caller. (build_array_type): Likewise. Add typeless_storage argument. 2017-04-19 Eric Botcazou Jakub Jelinek PR tree-optimization/80426 * tree-vrp.c (extract_range_from_binary_expr_1): For an additive operation on symbolic operands, also compute the overflow for the invariant part when the operation degenerates into a negation. 2017-04-19 Jakub Jelinek PR debug/80461 * dwarf2out.c (modified_type_die, gen_type_die_with_usage): Check for t with zero TYPE_QUALS_NO_ADDR_SPACE. PR debug/80436 * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses. 2017-04-19 Georg-Johann Lay PR target/80462 * config/avr/avr.c (tree.h): Include it. (cgraph.h): Include it. (avr_encode_section_info): Don't warn for uninitialized progmem variable if it's just an alias. 2017-04-19 Richard Biener PR ipa/65972 * auto-profile.c (afdo_vpt_for_early_inline): Update SSA when needed by AutoPGO. 2017-04-19 Paulo J. Matos PR lto/50345 * doc/lto.texi: Remove an extra 'that'. 2017-04-19 Segher Boessenkool PR rtl-optimization/80429 * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that are only used in debug insns. 2017-04-19 Eric Botcazou Vladimir Makarov * config/sparc/predicates.md (input_operand): Add comment. Return true for any memory operand when LRA is in progress. * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix. 2017-04-18 Jeff Law PR target/74563 * mips.md ({return,simple_return}_internal): Do not overwrite operands[0]. 2017-04-18 Jakub Jelinek PR tree-optimization/80443 * tree-vrp.c (intersect_ranges): For signed 1-bit precision type, instead of adding 1, subtract -1 and similarly instead of subtracting 1 add -1. 2017-04-18 Richard Sandiford PR rtl-optimization/80357 * haifa-sched.c (tmp_bitmap): New variable. (model_recompute): Handle duplicate use records. (alloc_global_sched_pressure_data): Initialize tmp_bitmap. (free_global_sched_pressure_data): Free it. 2017-04-18 Bernd Edlinger Revert: 2017-02-20 Bernd Edlinger * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe. (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR instead of SYSTEM_HEADER_DIR. 2017-04-18 Jeff Law PR middle-end/80422 * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have predecessors after walking up the insn chain. 2017-04-18 Jakub Jelinek PR debug/80263 * dwarf2out.c (modified_type_die): Try harder not to emit internal sizetype type into debug info. 2017-04-18 Michael Meissner PR target/80099 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate unneeded test for TARGET_UPPER_REGS_SF. * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise. 2017-04-18 Jakub Jelinek PR sanitizer/80444 * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb instead of gsi_after_labels. 2017-04-18 Jeff Law * regcprop.c (maybe_mode_change): Avoid creating copies of the stack pointer. Revert: 2017-04-13 Jeff Law * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear in operands[1] if it is a MEM and TARGET_MIPS16 is active. 2017-04-18 Georg-Johann Lay PR target/79453 * config/avr/avr.c (intl.h): Include it. (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _(). 2017-04-18 Martin Liska PR gcov-profile/78783 * gcov-tool.c (gcov_output_files): Validate that destination file is either removed by the tool or by a user. 2017-04-14 Andrew Burgess Guy Benyei * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local block, and do not negate it, the stored id is already negative. 2017-04-14 Andrew Burgess * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax. 2017-04-14 Michael Meissner PR target/80098 * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define masks of options that should be turned off if the VSX vector options are turned off. (OTHER_P8_VECTOR_MASKS): Likewise. (OTHER_VSX_VECTOR_MASKS): Likewise. * config/rs6000/rs6000.c (rs6000_option_override_internal): Call rs6000_disable_incompatible_switches to validate no type switches like -mvsx. (rs6000_incompatible_switch): New function to disallow turning on other vector options if -mno-vsx, -mno-power8-vector, or -mno-power9-vector are specified. 2017-04-14 Claudiu Zissulescu * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls. 2017-04-14 Claudiu Zissulescu * config/arc/arc-protos.h (arc_decl_pretend_args): Remove. * config/arc/arc.c (arc_decl_pretend_args): Likewise. * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise. (ARG_POINTER_CFA_OFFSET): Likewise. 2017-04-14 Claudiu Zissulescu * config/arc/arc.c (arc_mode_dependent_address_p): Relax conditions to take advantage of various optimizations. 2017-04-13 Jeff Law * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear in operands[1] if it is a MEM and TARGET_MIPS16 is active. (zero_extendsidi2_dext): Likewise. 2017-04-13 Jakub Jelinek PR sanitizer/80403 * fold-const.c (fold_ternary_loc): Revert use op0 instead of fold_convert_loc (loc, type, arg0) part of 2017-04-12 change. 2017-04-13 Vladimir Makarov PR rtl-optimization/80343 * lra-remat.c (update_scratch_ops): Assign original hard reg to new scratch pseudo. 2017-04-13 Denis Khalikov PR sanitizer/80414 * ubsan.c (ubsan_expand_bounds_ifn): Pass original index to ubsan_encode_value. 2017-04-13 Jeff Law * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs appearing in DEBUG_INSNs. 2017-04-13 Martin Liska PR gcov-profile/80413 * gcov-io.c (gcov_write_string): Copy to buffer just when allocated size is greater than zero. 2017-04-13 Jakub Jelinek PR debug/80321 * dwarf2out.c (decls_for_scope): Ignore declarations of current_function_decl in BLOCK_NONLOCALIZED_VARS. 2017-04-12 Jan Hubicka PR lto/69953 * ipa-visibility.c (non_local_p): Fix typos. (localize_node): When localizing symbol in same comdat group, dissolve the group only when we know external symbols are going to be privatized. (function_and_variable_visibility): Do not localize DECL_EXTERNAL. 2017-04-12 Jakub Jelinek PR tree-optimization/79390 * optabs.c (emit_conditional_move): If the preferred op2/op3 operand order does not result in usable sequence, retry with reversed operand order. PR sanitizer/80403 PR sanitizer/80404 PR sanitizer/80405 * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument to fold_build2_loc. Convert TREE_OPERAND (tem, 0) to type. Use op0 instead of fold_convert_loc (loc, type, arg0). 2017-04-12 Jeff Law * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still has a delay slot in the generated code. * config/cris/cris.md (cris_preferred_reload_class): Return GENNONACR_REGS rather than GENERAL_REGS. 2017-04-12 Jakub Jelinek PR c/80163 * expr.c : For EXPAND_INITIALIZER determine SIGN_EXTEND vs. ZERO_EXTEND based on signedness of treeop0's type rather than signedness of the result type. 2017-04-12 Richard Biener Jeff Law PR tree-optimization/80359 * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not trim stores to TARGET_MEM_REFs. 2017-04-12 Richard Biener PR tree-optimization/79390 * gimple-ssa-split-paths.c (is_feasible_trace): Restrict threading case even more. 2017-04-12 Segher Boessenkool PR target/80382 * config/rs6000/sync.md (atomic_load, atomic_store Bernd Edlinger PR middle-end/79671 * alias.c (component_uses_parent_alias_set_from): Handle TYPE_TYPELESS_STORAGE. (get_alias_set): Likewise. * tree-core.h (tree_type_common): Add typeless_storage flag. * tree.h (TYPE_TYPELESS_STORAGE): New macro. * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE for types containing members with TYPE_TYPELESS_STORAGE. (place_field): Likewise. (layout_type): Likewise for ARRAY_TYPE. * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE. * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream TYPE_TYPELESS_STORAGE. * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise. 2017-04-12 Jakub Jelinek PR sanitizer/80349 * fold-const.c (fold_binary_loc) : Convert arg0's first argument to type. 2017-04-11 Bill Schmidt PR target/80376 PR target/80315 * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return CONST0_RTX (mode) rather than const0_rtx where appropriate. (rs6000_expand_binop_builtin): Likewise. (rs6000_expand_ternop_builtin): Likewise; also add missing vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for vshasigma built-ins. * doc/extend.texi: Document that vec_xxpermdi's third argument must be a constant. 2017-04-11 Uros Bizjak * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain): Use shift_const cost parameter when calculating gain of STV shifts. 2017-04-11 Vladimir Makarov PR rtl-optimization/70478 * lra-constraints.c (process_alt_operands): Check memory for disfavoring memory insn operand. 2017-04-11 Jakub Jelinek PR middle-end/80100 * simplify-rtx.c (simplify_binary_operation_1) : Perform left shift in unsigned HOST_WIDE_INT type. PR rtl-optimization/80385 * simplify-rtx.c (simplify_unary_operation_1): Don't transform (not (neg X)) into (plus X -1) for complex or non-integral modes. PR libgomp/80394 * omp-low.c (scan_omp_task): Don't optimize away empty tasks if they have any depend clauses. 2017-04-11 Martin Liska PR ipa/80212 * cgraph.c (cgraph_node::dump): Dump calls_comdat_local. * ipa-split.c (split_function): Create a local comdat symbol if caller is in a comdat group. 2017-04-11 Martin Liska PR ipa/80212 * ipa-cp.c (determine_versionability): Handle calls_comdat_local flags. 2017-04-11 Martin Sebor PR middle-end/80364 * gimple-ssa-sprintf.c (get_int_range): Remove second argument and always use the int type. Use INTEGRAL_TYPE_P() rather than testing for INTEGER_TYPE. (directive::set_width, directive::set_precision, format_character): Adjust. (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for INTEGER_TYPE. 2017-04-11 Richard Earnshaw PR target/80389 * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch conflict, set target->arch_name instead of target->cpu_name. 2017-04-11 Richard Biener PR tree-optimization/80374 * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use build_zero_cst, remove fold_convertible_p check again. 2017-04-11 Martin Liska PR sanitizer/70878 * ubsan.c (instrument_object_size): Do not instrument register variables. 2017-04-11 Jakub Jelinek PR target/80381 * config/i386/i386-builtin-types.def (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT, V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT, V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT, V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT, V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT, V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT, V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT, V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT, V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT, V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT, V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT, V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT, V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT, V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT, V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT, V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT, V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT, V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases. * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask, __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask, __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask, __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask, __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask, __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask, __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask, __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask, __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask, __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask, __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask, __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask, __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask, __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask, __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask, __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask, __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask, __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask, __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask, __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask, __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask, __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask, __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask, __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask, __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask, __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask, __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask, __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type aliases. * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count flag to second_arg_count, handle 4 argument function type _COUNT aliases, handle second_arg_count on second argument rather than last. 2017-04-10 Jeff Law PR tree-optimization/80374 * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to record anything if we can not convert integer_zero_node to the desired type. 2017-04-10 Kelvin Nilsen PR target/80108 * config/rs6000/rs6000.c (rs6000_option_override_internal): Enhance special handling given to the TARGET_P9_MINMAX option in relation to certain other options. 2017-04-10 Bin Cheng PR tree-optimization/80153 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and remove POINTER_PLUS_EXPR's base part directly, rather than through aff_tree. 2017-04-10 Richard Biener Bin Cheng PR tree-optimization/80153 * tree-affine.c (aff_combination_to_tree): Get base pointer from the first element of pointer type aff_tree. Build result expr in aff_tree's type. (add_elt_to_tree): Convert to type unconditionally. Remove other fold_convert calls. * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types. (rewrite_use_nonlinear_expr): Check invariant using iv information. 2017-04-10 Richard Biener * tree-ssa-structalias.c (find_func_aliases): Properly handle asm inputs. 2017-04-10 Vladimir Makarov PR rtl-optimization/70478 * lra-constraints.c (curr_small_class_check): New. (update_and_check_small_class_inputs): New. (process_alt_operands): Update curr_small_class_check. Disfavor alternative insn memory operands. Check available regs for small class operands. 2017-03-31 Matthew Fortune PR target/80057 * config/mips/mips.opt (-mvirt): Update description. * doc/invoke.texi (-mvirt): Likewise. 2017-04-10 Richard Biener PR middle-end/80362 * fold-const.c (fold_binary_loc): Look at unstripped ops when looking for NEGATE_EXPR in -A / -B to A / B folding. 2017-04-10 Martin Liska PR gcov-profile/80224 * gcov.c (print_usage): Fix usage string. (get_gcov_intermediate_filename): Remove. (output_gcov_file): Use both for normal and intermediate format. (generate_results): Do not initialize special file for intermediate format. 2017-04-10 Richard Biener PR tree-optimization/80304 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse for safelen. 2017-04-10 Nathan Sidwell PR target/79905 * config/rs6000/rs6000.c (rs6000_vector_type): New. (rs6000_init_builtins): Use it. 2016-04-10 Kyrylo Tkachov * config/arm/arm.md (): Add mode to SET source. (): Likewise. 2017-04-10 Richard Biener PR middle-end/80344 * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs. 2017-04-10 Jakub Jelinek PR target/80324 * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32, _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32, _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32, _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32, _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32, _mm512_reduce_max_epi32, _mm512_reduce_min_epu32, _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32, _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32, _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps, _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps, _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps, _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps, _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64, _mm512_reduce_and_epi64, _mm512_reduce_or_epi64, _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64, _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64, _mm512_reduce_min_epi64, _mm512_reduce_max_epi64, _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64, _mm512_reduce_min_epu64, _mm512_reduce_max_epu64, _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64, _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd, _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd, _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics. 2017-04-08 Vladimir Makarov PR rtl-optimization/70478 * lra-constraints.c: Reverse the last patch. 2017-04-08 Andreas Tobler * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME. Add comment for WCHAR_T. 2017-04-08 Martin Liska Revert: 2017-04-07 Martin Liska PR ipa/80212 * ipa-split.c (split_function): Add function part to a same comdat group. 2017-04-08 Aaron Sawdey PR target/80358 * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check. 2017-04-07 Pat Haugen * rs6000/rs6000.c (vec_load_pendulum): Rename... (vec_pairing): ...to this. (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns. (rs6000_sched_init): Adjust for name change. (struct rs6000_sched_context): Likewise. (rs6000_init_sched_context): Likewise. (rs6000_set_sched_context): Likewise. 2017-04-07 Jakub Jelinek PR target/80322 PR target/80323 PR target/80325 PR target/80326 * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New intrinsics. * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int, _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd, _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise. 2017-04-07 Andreas Tobler * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE. 2017-04-07 Vladimir Makarov PR rtl-optimization/70703 * ira-color.c (update_conflict_hard_regno_costs): Use int64_t instead of HOST_WIDE_INT. 2017-04-07 Vladimir Makarov PR rtl-optimization/70478 * lra-constraints.c (process_alt_operands): Disfavor alternative insn memory operands. 2017-04-07 Jeff Law * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a CALL and NOTE_INSN_CALL_ARG_LOCATION. 2017-04-07 Martin Liska PR target/79889 * config/aarch64/aarch64.c (aarch64_process_target_attr): Show error message instead of an ICE. 2017-04-07 Martin Liska PR ipa/80212 * ipa-split.c (split_function): Add function part to a same comdat group. 2017-04-07 Richard Biener PR middle-end/80341 * tree.c (get_unwidened): Also handle ! for_type case for INTEGER_CSTs. * convert.c (do_narrow): Split out from ... (convert_to_integer_1): ... here. Do not pass final truncation type to get_unwidened for TRUNC_DIV_EXPR. 2017-04-07 Richard Biener * tree-affine.c (wide_int_ext_for_comb): Take type rather than aff_tree. (aff_combination_const): Adjust. (aff_combination_scale): Likewise. (aff_combination_add_elt): Likewise. (aff_combination_add_cst): Likewise. (aff_combination_convert): Likewise. (add_elt_to_tree): Likewise. Remove unused argument. (aff_combination_to_tree): Adjust calls to add_elt_to_tree. 2017-04-07 Sebastian Huber * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default definition. * config/arm/arm.c (arm_default_short_enums): Use ARM_DEFAULT_SHORT_ENUMS. * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define. 2017-04-06 Jakub Jelinek PR debug/80234 * dwarf2out.c (gen_member_die): Handle C++17 inline static data members with redundant out-of-class redeclaration. 2017-04-06 Uros Bizjak PR target/80286 * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern. * config/i386/i386.md (*zero_extendsidi2): Add (?*x,*x) and (?*v,*v) alternatives. 2017-04-06 Uros Bizjak PR target/79733 * config/i386/i386.c (ix86_expand_builtin) : Determine insn operand mode from insn data. Convert operands to insn operand mode. Copy operands that don't satisfy insn predicate to a register. 2017-04-06 Sam Thursfield * config/rs6000/x-aix: Increase memory limit for genautomata on AIX. Update comments. 2017-04-06 Richard Biener PR tree-optimization/80334 * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly preserve alignment of accesses. 2017-04-06 Richard Biener PR tree-optimization/80262 * tree-sra.c (build_ref_for_offset): Preserve address-space information. * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Drop useless address-space information on MEM_REF offsets. 2017-04-05 Andreas Schwab * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type. 2017-04-05 Vladimir Makarov PR rtl-optimization/70703 * ira-color.c (update_conflict_hard_regno_costs): Use HOST_WIDE_INT instead of long. 2017-04-05 Uros Bizjak PR target/80298 * config/i386/mmintrin.h: Add -msse target option when __SSE__ is not defined for x86_64 target. Add -mmmx target option when __SSE2__ is not defined. * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined for x86_64 target. Handle -m3dnowa option. 2017-04-05 Vladimir Makarov PR rtl-optimization/70703 * ira-color.c (update_costs_from_allocno): Use the smallest mode. (update_conflict_hard_regno_costs): Use long instead of unsigned arithmetic for cost calculation. 2017-04-05 Jakub Jelinek Bernd Edlinger PR sanitizer/80308 * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value for big endian. 2017-04-05 Eric Botcazou PR target/78002 * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace ptr_mode with Pmode throughout. * config/aarch64/aarch64.md (probe_stack_range_ PR target/79890 * config/s390/s390.c (s390_register_info_gprtofpr): Return if call_eh_return is true. 2017-04-05 Andreas Krebbel * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Initialize last_match_fntype_index. 2017-04-05 Jakub Jelinek PR target/80310 * tree-nvr.c: Include internal-fn.h. (pass_return_slot::execute): Ignore internal calls without direct optab. 2017-04-04 Jakub Jelinek Richard Biener PR c++/80297 * genmatch.c (capture::gen_transform): For GENERIC unshare_expr captures used multiple times, except for the last use. * generic-match-head.c: Include gimplify.h. 2017-04-04 Jakub Jelinek PR tree-optimization/79390 * target.h (struct noce_if_info): Declare. * targhooks.h (default_noce_conversion_profitable_p): Declare. * target.def (noce_conversion_profitable_p): New target hook. * ifcvt.h (struct noce_if_info): New type, moved from ... * ifcvt.c (struct noce_if_info): ... here. (noce_conversion_profitable_p): Renamed to ... (default_noce_conversion_profitable_p): ... this. No longer static nor inline. (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith, noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p instead of noce_conversion_profitable_p. * config/i386/i386.c: Include ifcvt.h. (ix86_option_override_internal): Don't override PARAM_MAX_RTL_IF_CONVERSION_INSNS default. (ix86_noce_conversion_profitable_p): New function. (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine. * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment. * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add. * doc/tm.texi: Regenerated. 2017-04-04 Bill Schmidt * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar correction. 2017-04-04 Thomas Preud'homme PR target/80307 * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32 instructions for small multiply cores. 2017-04-04 Jeff Law * config/mips/mips.c (mips_multi_add): Zero initialize the newly added member. (mips_expand_vec_perm_const): Initialize elements in orig_perm that are not set by the loop over the elements. 2017-04-04 Jakub Jelinek PR target/80286 * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar int mode, convert_modes it to mode as unsigned, otherwise use lowpart_subreg to mode rather than SImode. * config/i386/sse.md (ashr3, ashr3, ashr3, 3): Use DImode instead of SImode for the shift count operand. * config/i386/mmx.md (mmx_ashr3, mmx_3): Likewise. 2017-04-04 Richard Biener PR middle-end/80281 * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned arithmetic done for the negate or the plus. Simplify. (A - (-B) -> A + B): Likewise. * fold-const.c (split_tree): Make sure to not negate pointers. 2017-04-04 Segher Boessenkool PR rtl-optimization/60818 * simplify-rtx.c (simplify_binary_operation_1): Do not replace a compare of comparisons with the thing compared if this results in a different machine mode. 2017-04-03 Jonathan Wakely * alias.c (base_alias_check): Fix typo in comment. * cgraph.h (class ipa_polymorphic_call_context): Likewise. * cgraphunit.c (symbol_table::compile): Likewise. * collect2.c (maybe_run_lto_and_relink): Likewise. * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise. * config/avr/avr-arch.h (avr_arch_info_t): Likewise. * config/avr/avr.c (avr_map_op_t): Likewise. * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise. * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise. * config/epiphany/epiphany.md (movcc): Likewise. * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise. * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue): Likewise. * config/mips/mips.c (mips_save_restore_reg): Likewise. * config/rx/rx.c (rx_is_restricted_memory_address): Likewise. * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise. * config/sh/sh.c (sh_rtx_costs): Likewise. * fold-const.c (fold_truth_andor): Likewise. * genautomata.c (collapse_flag): Likewise. * gengtype.h (struct type::u::s): Likewise. * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise. * input.c (FORMAT_AMOUNT): Likewise. * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector) (known_aggs_to_agg_replacement_list): Likewise. * ipa-inline-analysis.c: Likewise. * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise. * ipa-polymorphic-call.c (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise. * loop-unroll.c (analyze_insn_to_expand_var): Likewise. * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos): Likewise. * modulo-sched.c (apply_reg_moves): Likewise. * omp-expand.c (build_omp_regions_1): Likewise. * trans-mem.c (struct tm_wrapper_hasher): Likewise. * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise. * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. * value-prof.c: Likewise. * var-tracking.c (val_reset): Likewise. 2017-04-03 Richard Biener PR tree-optimization/80275 * fold-const.c (split_address_to_core_and_offset): Handle POINTER_PLUS_EXPR. 2017-04-03 Eric Botcazou * tree-nested.c (get_descriptor_type): Make sure that the alignment of descriptors is at least equal to that of functions. 2017-04-02 Uros Bizjak * config/i386/sse.md (movdi_to_sse): Add missing DONE. 2017-04-02 Uros Bizjak PR target/80250 * config/i386/sse.md (mov): Remove insn pattern. (mov): New expander. (*mov_internal): New insn and split pattern. 2017-03-31 Segher Boessenkool PR rtl-optimization/79405 * fwprop.c (propagations_left): New variable. (forward_propagate_into): Decrement it. (fwprop_init): Initialize it. (fw_prop): If the variable has reached zero, stop propagating. (fwprop_addr): Ditto. 2017-03-31 Jakub Jelinek PR debug/79255 * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is a FUNCTION_DECL, pass it as decl instead of origin to process_scope_var. 2017-03-31 Alexander Monakov * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format string. 2017-03-31 Pat Haugen PR target/80107 * config/rs6000/rs6000.md (extendhi2): Add test for TARGET_VSX_SMALL_INTEGER. 2017-03-31 Bill Schmidt * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add reference to the OpenPOWER 64-Bit ELF V2 ABI Specification. 2017-03-31 Matthew Fortune * config/mips/mips-msa.md (msa_vec_extract_): Update extraction from odd-numbered MSA register. 2017-03-31 Jakub Jelinek PR middle-end/80173 * expmed.c (store_bit_field_1): Don't attempt to create a word subreg out of hard registers wider than word if they have HARD_REGNO_NREGS of 1 for their mode. PR middle-end/80163 * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending conversions to integer types wider than word and pointer. PR debug/80025 * cselib.h (rtx_equal_for_cselib_1): Add depth argument. (rtx_equal_for_cselib_p): Pass 0 to it. * cselib.c (cselib_hasher::equal): Likewise. (rtx_equal_for_cselib_1): Add depth argument. If depth is 128, don't look up VALUE locs and punt. Increment depth in recursive calls when walking VALUE locs. 2017-03-31 Bernd Edlinger * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes. (make_gcov_file_name): Use the canonical path name for generating the MD5 value. (read_line): Fix handling of files with ascii null bytes. 2017-03-30 Matthew Fortune * config/mips/mips.c (mips_expand_vector_init): Create a const_vector to initialise a vector register instead of using a const_int. 2017-03-30 Jakub Jelinek PR translation/80189 * gimplify.c (omp_default_clause): Use %qs instead of %s in diagnostic messages. 2017-03-30 Peter Bergner PR target/80246 * config/rs6000/dfp.md (dfp_dxex_): Update mode of operand 0. (dfp_diex_): Update mode of operand 1. * doc/extend.texi (dxex, dxexq): Document change to return type. (diex, diexq): Document change to argument type. 2017-03-30 Martin Jambor PR ipa/77333 * cgraph.h (cgraph_build_function_type_skip_args): Declare. * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that it reflects the signature changes performed at the callee side. * cgraphclones.c (build_function_type_skip_args): Make public, renamed to cgraph_build_function_type_skip_args. (build_function_decl_skip_args): Adjust call to the above function. 2017-03-30 Jakub Jelinek PR target/80206 * config/i386/sse.md (_vextract_mask): Use register as dest whenever it is a MEM not rtx_equal_p to the corresponding dup operand, and when forcing into reg move the reg into the memory afterwards. (_vextract_mask): Likewise. Use instead of for the force_reg mode. (avx512vl_vextractf128): Use register as dest either always when a MEM, or when it is a MEM not rtx_equal_p to the corresponding dup operand, or even not when it is a CONST_VECTOR depending on the mode and lo vs. hi. (avx512dq_vextract64x2_1_maskm): Remove extraneous parens. (avx512f_vextract32x4_1_maskm): Likewise. (avx512dq_vextract64x2_1): Likewise. Require that operands[2] is even. (avx512f_vextract32x4_1): Remove extraneous parens. Require that operands[2] is a multiple of 4. (vec_extract_lo_): Don't bother testing if operands[0] is a MEM if , the predicates/constraints disallow memory then. 2017-03-30 Richard Biener PR tree-optimization/77498 * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications to non-constants over backedges. 2017-03-29 Segher Boessenkool PR rtl-optimization/80233 * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns as last_combined_insn. Do not test for BARRIER_P separately. 2017-03-29 Andreas Schwab PR ada/80146 * calls.c (prepare_call_address): Convert funexp to Pmode before copying to temp reg. 2017-03-29 Bill Schmidt PR tree-optimization/80158 * gimple-ssa-strength-reduction.c (replace_mult_candidate): Handle possible future case of more than one alternate interpretation. (replace_rhs_if_not_dup): Likewise. (replace_one_candidate): Likewise. 2017-03-28 Vladimir Makarov PR rtl-optimization/80193 * ira.c (ira): Do not check allocation for LRA. 2017-03-28 Alexander Monakov * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare. (nvptx_output_simt_exit): Declare. * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use cfun->machine->unisimt_location. Handle NULL unisimt_predicate. (init_softstack_frame): Move initialization of crtl->is_leaf to... (nvptx_declare_function_name): ...here. Emit declaration of local memory space buffer for omp_simt_enter insn. (nvptx_output_unisimt_switch): New. (nvptx_output_softstack_switch): New. (nvptx_output_simt_enter): New. (nvptx_output_simt_exit): New. * config/nvptx/nvptx.h (struct machine_function): New fields has_simtreg, unisimt_location, simt_stack_size, simt_stack_align. * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec. (UNSPECV_SIMT_EXIT): Ditto. (omp_simt_enter_insn): New insn. (omp_simt_enter): New expansion. (omp_simt_exit): New insn. * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option. * internal-fn.c (expand_GOMP_SIMT_ENTER): New. (expand_GOMP_SIMT_ENTER_ALLOC): New. (expand_GOMP_SIMT_EXIT): New. * internal-fn.def (GOMP_SIMT_ENTER): New internal function. (GOMP_SIMT_ENTER_ALLOC): Ditto. (GOMP_SIMT_EXIT): Ditto. * target-insns.def (omp_simt_enter): New insn. (omp_simt_exit): Ditto. * omp-low.c (struct omplow_simd_context): New fields simt_eargs, simt_dlist. (lower_rec_simd_input_clauses): Implement SIMT privatization. (lower_rec_input_clauses): Likewise. (lower_lastprivate_clauses): Handle SIMT privatization. * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h. (ompdevlow_adjust_simt_enter): New. (find_simtpriv_var_op): New. (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER, IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT. * tree-inline.h (struct copy_body_data): New field dst_simt_vars. * tree-inline.c (expand_call_inline): Handle SIMT privatization. (copy_decl_for_dup_finish): Ditto. * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER. 2017-03-28 Uros Bizjak PR target/53383 * config/i386/i386.c (ix86_option_override_internal): Always allow -mpreferred-stack-boundary=3 for 64-bit targets. 2017-03-28 Bin Cheng * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop. 2017-03-28 Bin Cheng * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and mark new edge's irreducible flag accordign to it. (vect_do_peeling): Check loop preheader edge's irreducible flag and pass it to function slpeel_add_loop_guard. 2017-03-28 Richard Sandiford PR tree-optimization/80218 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Update block frequencies and counts. 2017-03-28 Richard Biener PR tree-optimization/78644 * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value of a simplification result we may not use it at all. 2017-03-28 Richard Biener PR ipa/80205 * tree-inline.c (copy_phis_for_bb): Do not create PHI node without arguments, generate default definition of a SSA name. 2017-03-28 Richard Biener PR middle-end/80222 * gimple-fold.c (gimple_fold_indirect_ref): Do not touch TYPE_REF_CAN_ALIAS_ALL references. * fold-const.c (fold_indirect_ref_1): Likewise. 2017-03-28 Martin Liska PR ipa/80104 * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a thunk call as DECL_GIMPLE_REG_P when vector or complex type. 2017-03-28 Claudiu Zissulescu Thomas Petazzoni * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec. (EXTRA_SPECS): Define. (SUBTARGET_EXTRA_SPECS): Likewise. (SUBTARGET_CPP_SPEC): Likewise. * config/arc/elf.h (EXTRA_SPECS): Renamed to SUBTARGET_EXTRA_SPECS. * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define. 2017-03-28 Claudiu Zissulescu * config/arc/simdext.md (vst64_insn): Update pattern. (vld32wh_insn): Likewise. (vld32wl_insn): Likewise. (vld64_insn): Likewise. (vld32_insn): Likewise. 2017-03-28 Marek Polacek PR sanitizer/80067 * fold-const.c (fold_comparison): Use protected_set_expr_location instead of SET_EXPR_LOCATION. 2017-03-28 Markus Trippelsdorf * tree.c (add_expr): Avoid name lookup warning. 2017-03-27 Jeff Law PR tree-optimization/80216 * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in function name. Limit recursion depth. (record_temporary_equivalences): Corresponding changes. 2017-03-27 Jonathan Wakely * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is covered first. 2017-03-27 Jakub Jelinek PR target/80102 * reg-notes.def (REG_CFA_NOTE): Define. Use it for CFA related notes. * cfgcleanup.c (reg_note_cfa_p): New array. (insns_have_identical_cfa_notes): New function. (old_insns_match_p): Don't cross-jump in between /f and non-/f instructions. If both i1 and i2 are frame related, verify all CFA notes, their order and content. 2017-03-27 Michael Meissner PR target/78543 * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap HImode and SImode with zero extend to DImode to one insn. (bswap2_extenddi): Likewise. (bswapsi2_extenddi): Likewise. (bswaphi2_extendsi): Likewise. (bswaphi2): Combine bswap HImode and SImode into one insn. Separate memory insns from swapping register. (bswapsi2): Likewise. (bswap2): Likewise. (bswaphi2_internal): Delete, no longer used. (bswapsi2_internal): Likewise. (bswap2_load): Split bswap HImode/SImode into separate load, store, and gpr<-gpr swap insns. (bswap2_store): Likewise. (bswaphi2_reg): Register only splitter, combine with the splitter. (bswaphi2 splitter): Likewise. (bswapsi2_reg): Likewise. (bswapsi2 splitter): Likewise. (bswapdi2): If we have the LDBRX and STDBRX instructions, split the insns into load, store, and register/register insns. (bswapdi2_ldbrx): Likewise. (bswapdi2_load): Likewise. (bswapdi2_store): Likewise. (bswapdi2_reg): Likewise. 2017-03-27 Gunther Nikl * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case. (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise. 2017-03-27 Kelvin Nilsen PR target/80103 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and add comments. * config/rs6000/rs6000.c (rs6000_option_override_internal): Add special handling for target option conflicts between dform options (-mpower9-dform, -mpower9-dform-vector, -mpower9-dform-scalar) and -mno-direct-move. 2017-03-27 Richard Biener PR tree-optimization/80181 * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED. 2017-03-27 Claudiu Zissulescu * config/arc/predicates.md (move_double_src_operand): Replace the call to move_double_src_operand with a call to address_operand. 2017-03-27 Claudiu Zissulescu * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define. * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise. * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT. 2017-03-27 Claudiu Zissulescu * config/arc/predicates.md (long_immediate_loadstore_operand): Consider scaled addresses cases. 2017-03-27 Claudiu Zissulescu * config/arc/arc.c (arc_epilogue_uses): BLINK should be also restored when in interrupt. * config/arc/arc.md (simple_return): ARCv2 rtie instruction doesn't have delay slot. 2017-03-27 Richard Biener PR ipa/79776 * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip inlined thunk clones. 2017-03-27 Jakub Jelinek PR sanitizer/80168 * asan.c (instrument_derefs): Copy over last operand from original COMPONENT_REF to the new COMPONENT_REF with DECL_BIT_FIELD_REPRESENTATIVE. * ubsan.c (instrument_object_size): Likewise. 2017-03-27 Richard Biener PR tree-optimization/80170 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make sure DR/SCEV didnt fold in constants we do not see when looking at the reference base alignment. 2017-03-27 Richard Biener PR middle-end/80171 * gimple-fold.c (fold_ctor_reference): Properly guard against NULL return value from canonicalize_constructor_val. 2017-03-25 Uros Bizjak PR target/80180 * config/i386/i386.c (ix86_expand_builtin) : Do not expand arg0 between flags reg setting and flags reg using instructions. : Ditto. Use non-flags reg clobbering instructions to zero extend op2. 2017-03-25 Gerald Pfeifer * doc/install.texi (Configuration) <--with-aix-soname>: Update link to AIX ld. 2017-03-25 Bernd Schmidt PR rtl-optimization/80160 PR rtl-optimization/80159 * lra-assigns.c (must_not_spill_p): Tighten new test to also take reg_alternate_class into account. 2017-03-24 Vladimir Makarov PR target/80148 * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos to consider in curr_insn_transform. 2017-03-24 Jakub Jelinek * genrecog.c (validate_pattern): Add VEC_SELECT validation. * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits and emit_mode_inner. 2017-03-24 Andreas Krebbel * config/s390/s390-builtins.def: Add VXE builtins. Add a flags argument to the overloaded builtin variants. Use the new flag to deprecate certain builtin variants. * config/s390/s390-builtin-types.def: Add new builtin types. * config/s390/s390-builtins.h: Support new flags field for overloaded builtins. * config/s390/s390-c.c (OB_DEF_VAR): New flags field. (s390_macro_to_expand): Enable vector float data type. (s390_cpu_cpp_builtins_internal): Indicate support of the new builtins by incrementing the __VEC__ version number. (s390_expand_overloaded_builtin): Support expansion of vec_xl and vec_xst. (s390_resolve_overloaded_builtin): Emit error messages depending on the builtin flags. * config/s390/s390.c (s390_expand_builtin): Support additional flags argument. Change error message to match the messages emitted in s390-c.c. * config/s390/s390.md: New UNSPEC_* constants. (op_type): Add new instruction types. * config/s390/vecintrin.h: Add new builtins and test data class constants. * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF. (V_HW_4, VEC_HW, VECF_HW): New mode iterators. (VEC_INEXACT, VEC_NOINEXACT): New constants. ("vec_splats", "vec_insert", "vec_promote") ("vec_insert_and_zero", "vec_mergeh") ("vec_mergel"): V_HW -> VEC_HW. ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di") ("vmslg", "*vftci_cconly", "vftci_intcconly") ("*vftci", "vftci_intcc", "vec_double_s64") ("vec_double_u64", "vfmin", "vfmax"): New definition. ("and_av2df3", "and_cv2df3", "vec_andc_av2df3") ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3") ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs") ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition. ("vec_all_v2df", "vec_any_v2df") ("vec_scatter_elementv4si_DI", "vec_cmpv2df") ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64") ("vfidb", "*vldeb", "*vledb", "*vec_cmpv2df_cconly") ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc") ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc") ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ... ("vec_all_", "vec_any_") ("vec_scatter_element_DI") ("vec_cmp", "vcdgb", "vcdlgb", "vclgdb") ("vec_fpint", "vflls") ("vflrd", "*vec_cmp_cconly", "vec_cmpeq_cc") ("vec_cmpeq_cc", "vec_cmph_cc", "vec_cmphe_cc") ("*vec_cmpeq_cc", "*vec_cmph_cc") ("*vec_cmphe_cc"): ... these. ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding mode constant instead of magic value. 2017-03-24 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_compare): Support other vector floating point modes than just V2DF. (s390_expand_vcond): Likewise. (s390_hard_regno_mode_ok): Allow SFmode values in VRs. (s390_cannot_change_mode_class): Prevent mode changes between TF and V1TF in vector registers. * config/s390/s390.md (DF, SF): New mode attributes. ("*cmp_ccs", "add3", "sub3", "mul3") ("fma4", "fms4", "div3", "*neg2"): Add SFmode support for VRs. * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new vector fp modes. (VFT, VF_HW): New mode iterators. (vw, sdx): New mode attributes. ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2") ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2") ("smaxv2df3", "sminv2df3", "*vec_cmpv2df_nocc") ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df") ("vec_unorderedv2df"): Adjust the v2df only patterns to support also the new vector floating point modes. Renaming to ... ("add3", "sub3", "mul3", "div3") ("sqrt2", "fma4", "fms4", "neg2") ("abs2", "negabs2", "smax3") ("smin3", "*vec_cmp_nocc") ("vec_cmpuneq", "vec_cmpltgt", "vec_ordered") ("vec_unordered"): ... these. ("neg_fma4", "neg_fms4", "*smax3_vxe") ("*smin3_vxe", "*sminv2df3_vx", "*vec_extendv4sf") ("*vec_extendv2df"): New insn definitions. 2017-03-24 Andreas Krebbel * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3") ("mulditi3_2", "*muldi3_sign"): New patterns. ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and rename the pattern definition. 2017-03-24 Andreas Krebbel * config/s390/s390.md ("indirect_jump"): Turn insn definition into expander. ("*indirect_jump", "*indirect2_jump"): New pattern definitions. 2017-03-24 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_init): Use vllezl instruction if possible. * config/s390/vector.md (vec_halfnumelts): New mode attribute. ("*vec_vllezlf"): New pattern. 2017-03-24 Andreas Krebbel * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2") ("popcountv4si2", "popcountv2di2"): Rename to ... ("popcount2", "popcountv8hi2_vx", "popcountv4si2_vx") ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the condition. ("popcount2_vxe"): New pattern. 2017-03-24 Andreas Krebbel * common/config/s390/s390-common.c (processor_flags_table): Add arch12. * config.gcc: Add arch12. * config/s390/driver-native.c (s390_host_detect_local_cpu): Default to arch12 for unknown CPU model numbers. * config/s390/s390-builtins.def: Add B_VXE builtin flag. * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust PROCESSOR_max sanity check. * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH12. * config/s390/s390.c (processor_table): Add arch12. (s390_expand_builtin): Add check for B_VXE flag. (s390_issue_rate): Add PROCESSOR_ARCH12. (s390_get_sched_attrmask): Likewise. (s390_get_unit_mask): Likewise. (s390_sched_score): Enable z13 scheduling for arch12. (s390_sched_reorder): Likewise. (s390_sched_variable_issue): Likewise. * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and PF_VXE. (s390_tune_attr): Use z13 scheduling also for arch12. (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE) (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE) (TARGET_VXE_P): New macros. * config/s390/s390.md: Add arch12 to cpu attribute. Add arch12 and vxe to cpu_facility. Add arch12 and vxe to enabled attribute. * config/s390/s390.opt: Add arch12 as processor_type. 2017-03-24 Andreas Krebbel * config/s390/s390.md ("fixuns_truncdddi2", "fixuns_trunctddi2") ("fixuns_trunc2"): Merge into ... ("fixuns_trunc2"): New expander. ("fixuns_trunc2", "fixuns_truncsi2"): Rename expanders to ... ("fixuns_trunc2_emu") ("fixuns_truncdddi2_emu"): ... these. ("fixuns_truncsi2_emu"): New expander. ("*fixuns_truncdfdi2_z13"): Rename to ... ("*fixuns_truncdfdi2_vx"): ... this. 2017-03-24 Andreas Krebbel * config/s390/2964.md: Remove the single element vector compare instructions which are no longer used. * config/s390/s390.c (s390_select_ccmode): Remove handling of vector CCmodes. (s390_canonicalize_comparison): Remove handling of DFmode compares. (s390_expand_vec_compare_scalar): Remove function. (s390_emit_compare): Don't call s390_expand_vec_compare_scalar. * config/s390/s390.md ("*vec_cmpdf_cconly"): Remove pattern. ("*cmp_ccs"): Add wfcdb instruction. 2017-03-24 Andreas Krebbel * config/s390/s390.md ("mov_64dfp" DD_DF): Use vleig for loading a FP zero. ("*mov_64" DD_DF): Remove the vector instructions. These will anyway by matched by mov_64dfp. 2017-03-24 Andreas Krebbel * config/s390/s390.md ("mov" SD_SF): Change vleg/vsteg to vlef/vstef. Add missing operand to vleif. 2017-03-24 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_init): Enable vector load pair for all vector types with 64 bit elements. * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ... * config/s390/vector.md (V_HW_64): ... here. (V_128_NOSINGLE): New mode iterator. ("vec_init"): Use V_128 as mode iterator. ("*vec_splat"): Use V_128_NOSINGLE mode iterator. ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions. ("*vec_load_pairv2di"): Change to ... ("*vec_load_pair"): ... this one. 2017-03-24 Andreas Krebbel * config/s390/constraints.md: Add comments. (jKK): Reject element sizes > 8 bytes. * config/s390/s390.c (s390_split_ok_p): Enable splitting also for s_operands. * config/s390/s390.md: Add the s_operand checks formerly in s390_split_ok_p to various splitters where they are still required. * config/s390/vector.md ("mov" V_128): Add GPR alternatives for 128 bit vectors. Plus two splitters. 2017-03-24 Andreas Krebbel * config/s390/s390.md: Rename the cpu facilty vec to vx throughout the file. 2017-03-24 Andreas Krebbel PR target/79893 * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an error if the boundary argument is not constant. 2017-03-24 Jakub Jelinek PR rtl-optimization/80112 * loop-doloop.c (doloop_condition_get): Don't check condition if cmp isn't SET with IF_THEN_ELSE src. 2017-03-24 Bill Schmidt PR tree-optimization/80158 * gimple-ssa-strength-reduction.c (replace_mult_candidate): When replacing a candidate statement, also replace it for the candidate's alternate interpretation. (replace_rhs_if_not_dup): Likewise. (replace_one_candidate): Likewise. 2017-03-24 Richard Biener PR tree-optimization/80167 * graphite-isl-ast-to-gimple.c (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs properly. (translate_isl_ast_to_gimple::get_rename): Likewise. 2017-03-23 Kelvin Nilsen * config/rs6000/rs6000.c (rs6000_option_override_internal): Change handling of certain combinations of target options, including the combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs. -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector. 2017-03-23 Kyrylo Tkachov PR target/71436 * config/arm/arm.md (*load_multiple): Add reload_completed to matching condition. 2017-03-23 Bill Schmidt Richard Biener PR tree-optimization/79908 PR tree-optimization/80136 * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has been cast away, gimplify_and_add suffices. 2017-03-23 Markus Trippelsdorf * tree-vrp.c (identify_jump_threads): Delete avail_exprs. 2017-03-23 Richard Biener PR tree-optimization/80032 * gimplify.c (gimple_push_cleanup): Forced unconditional cleanups still have to go to the conditional_cleanups sequence. 2017-03-22 Jakub Jelinek PR tree-optimization/80072 * tree-ssa-reassoc.c (struct operand_entry): Change id field type to unsigned int. (next_operand_entry_id): Change type to unsigned int. (sort_by_operand_rank): Make sure to return the right return value even if unsigned fields are bigger than INT_MAX. (struct oecount): Change cnt and id type to unsigned int. (oecount_hasher::equal): Formatting fix. (oecount_cmp): Make sure to return the right return value even if unsigned fields are bigger than INT_MAX. (undistribute_ops_list): Change next_oecount_id type to unsigned int. PR c++/80129 * gimplify.c (gimplify_modify_expr_rhs) : Clear TREE_READONLY on result if writing it more than once. PR sanitizer/80110 * doc/invoke.texi (-fsanitize=thread): Document that with -fnon-call-exceptions atomics are not able to throw exceptions. PR sanitizer/80110 * tsan.c: Include tree-eh.h. (instrument_builtin_call): Call maybe_clean_eh_stmt or maybe_clean_or_replace_eh_stmt where needed. (instrument_memory_accesses): Add cfg_changed argument. Call gimple_purge_dead_eh_edges on each block and set *cfg_changed if it returned true. (tsan_pass): Adjust caller. Return TODO_cleanup_cfg if cfg_changed. PR rtl-optimization/63191 * config/i386/i386.c (ix86_delegitimize_address): Turn into small wrapper function, moved the whole old content into ... (ix86_delegitimize_address_1): ... this. New inline function. (ix86_find_base_term): Use ix86_delegitimize_address_1 with true as last argument instead of ix86_delegitimize_address. 2017-03-22 Wilco Dijkstra * config/aarch64/aarch64.c (generic_branch_cost): Copy cortexa57_branch_cost. 2017-03-22 Wilco Dijkstra * config/aarch64/aarch64.c (generic_tunings): Add AES fusion. 2017-03-21 Aaron Sawdey PR target/80123 * doc/md.texi (Constraints): Document wA constraint. * config/rs6000/constraints.md (wA): New. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class. (rs6000_init_hard_regno_mode_ok): Init wA constraint. * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New. * config/rs6000/vsx.md (vsx_splat_): Use wA constraint. 2017-03-22 Cesar Philippidis PR c++/80029 * gimplify.c (is_oacc_declared): New function. (oacc_default_clause): Use it to set default flags for acc declared variables inside parallel regions. (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc declared variables. (gimplify_oacc_declare): Gimplify the declare clauses. Add the declare attribute to any decl as necessary. 2017-03-22 Thomas Preud'homme PR target/80082 * config/arm/arm-isa.h (isa_bit_lpae): New feature bit. (ISA_ARMv7ve): Add isa_bit_lpae to the definition. * config/arm/arm-protos.h (arm_arch7ve): Rename into ... (arm_arch_lpae): This. * config/arm/arm.c (arm_arch7ve): Rename into ... (arm_arch_lpae): This. Define it in term of isa_bit_lpae. * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of arm_arch_lpae. 2017-03-22 Martin Liska PR target/79906 * config/rs6000/rs6000.c (rs6000_inner_target_options): Show error message instead of an ICE. 2017-03-21 Bill Schmidt * doc/extend.texi (6.11 Additional Floating Types): Revise. 2017-03-21 Kelvin Nilsen * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add comments. * config/rs6000/rs6000.c (rs6000_option_override_internal): Add comments. 2017-03-21 Martin Sebor * doc/extend.texi: Use "cannot" instead of "can't." * doc/hostconfig.texi: Same. * doc/install.texi: Same. * doc/invoke.texi: Same. * doc/loop.texi: Same. * doc/md.texi: Same. * doc/objc.texi: Same. * doc/rtl.texi: Same. * doc/tm.texi: Same. * doc/tm.texi.in: Same. * doc/trouble.texi: Same. 2017-03-21 Alexandre Oliva PR debug/63238 * dwarf2out.c (struct checksum_attributes): Add at_alignment. (collect_checksum_attributes): Set it. (die_checksum_ordered): Use it. 2017-03-21 Bill Schmidt PR tree-optimization/79908 * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following change: For a VA_ARG whose LHS has been cast away, use force_gimple_operand to construct the side effects. 2017-03-21 David Malcolm PR translation/80001 * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics more amenable to translation. (oacc_loop_auto_partitions): Likewise. 2017-03-21 Marek Polacek Martin Sebor PR tree-optimization/80109 * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info on INTEGRAL_TYPE_P. 2017-03-21 Jakub Jelinek Segher Boessenkool PR target/80125 * combine.c (can_combine_p): Revert the 2017-03-20 change, only check reg_used_between_p between insn and one of succ or succ2 depending on if succ is artificial insn not inserted into insn stream. 2017-03-21 Martin Liska PR gcov-profile/80081 * Makefile.in: Add gcov-dump and fix installation of gcov-tool. * doc/gcc.texi: Include gcov-dump stuff. * doc/gcov-dump.texi: New file. 2017-03-21 Toma Tabacu PR rtl-optimization/79150 * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the conditional jump, if the jump is the last insn of the loop. 2017-03-21 Bill Schmidt Richard Biener PR tree-optimization/79908 * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has been cast away, use force_gimple_operand to construct the side effects. 2017-03-21 Martin Liska PR libfortran/79956 * simplify-rtx.c (simplify_immed_subreg): Initialize a variable to NULL. 2017-03-21 Brad Spengler PR plugins/80094 * plugin.c (htab_hash_plugin): New function. (add_new_plugin): Use it and adjust. (parse_plugin_arg_opt): Adjust. (init_one_plugin): Likewise. 2017-03-21 Richard Biener PR tree-optimization/80032 * gimplify.c (gimple_push_cleanup): Add force_uncond parameter, if set force the cleanup to happen unconditionally. (gimplify_target_expr): Push inserted clobbers with force_uncond to avoid them being removed by control-dependent DCE. 2017-03-21 Richard Biener PR tree-optimization/80122 * tree-inline.c (copy_bb): Do not expans va-arg packs or va_arg_pack_len when the inlined call stmt requires pack expansion itself. * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *. 2017-03-21 Jakub Jelinek PR sanitizer/78158 * tsan.c (instrument_builtin_call): If the memory model argument is not a constant, assume it is valid. PR c/67338 * fold-const.c (round_up_loc): Negate divisor in unsigned type to avoid UB. 2017-03-20 Segher Boessenkool PR rtl-optimization/79910 * combine.c (can_combine_p): Do not allow combining an I0 or I1 if its dest is used by an insn before I2 (other than the combined insns themselves, which are properly handled already). 2017-03-20 Segher Boessenkool Revert: 2017-03-17 Bernd Schmidt * combine.c (record_used_regs): New static function. (try_combine): Handle situations where there is an additional instruction between I2 and I3 which needs to have a LOG_LINK updated. Revert: 2017-03-17 Jim Wilson * combine.c (try_combine): Delete redundant i1 test. Call prev_nonnote_nondebug_insn instead of prev_nonnote_insn. 2017-03-20 Aaron Sawdey PR target/80083 * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for alternatives 13/14. 2017-03-20 Bill Schmidt PR tree-optimization/80054 * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail the optimization if a PHI or any of its arguments is not dominated by the candidate's basis. Use gphi* rather than gimple* as appropriate. (replace_profitable_candidates): Clean up a gimple* variable that should be a gphi* variable. 2017-03-20 Martin Sebor PR c++/52477 * doc/extend.texi (attribute constructor): Document present limitation. 2017-03-20 Kelvin Nilsen PR target/79963 * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and __POWER9_VECTOR__ #ifdef control, change template definition to use Power9-specific built-in function. (vec_any_eq): Likewise. * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used to control outcomes from this test. (vector_ae_p): For VEC_F modes, likewise. 2017-03-20 Ian Lance Taylor * config/i386/i386.c (ix86_function_regparm): Save an extra register for -fsplit-stack with DECL_STATIC_CHAIN. 2017-03-17 Palmer Dabbelt PR target/79912 * config/riscv/riscv.c (riscv_preferred_reload_class): Remove. (TARGET_PREFERRED_RELOAD_CLASS): Likewise. 2017-03-17 Palmer Dabbelt * config/riscv/riscv.c (riscv_print_operand): Use "fence iorw,ow". * config/riscv/sync.mc (mem_thread_fence_1): Use "fence iorw,iorw". 2017-03-20 Marek Polacek PR sanitizer/80063 * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0). 2017-03-20 Richard Biener PR tree-optimization/80113 * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not allocate extra SSA name for PHI def. (add_close_phis_to_outer_loops): Likewise. (add_close_phis_to_merge_points): Likewise. (copy_loop_close_phi_args): Likewise. (copy_cond_phi_nodes): Likewise. 2017-03-20 Martin Liska PR middle-end/79753 * tree-chkp.c (chkp_build_returned_bound): Do not build returned bounds for a LHS that's not a BOUNDED_P type. 2017-03-20 Martin Liska PR target/79769 PR target/79770 * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST, COMPLEX_CST and VECTOR_CST. 2017-03-20 Andreas Krebbel PR target/78857 * config/s390/s390.md ("cmp_ccs_0"): Add a clobber of the target operand. A new splitter adds the clobber statement in case the target operand is dead anyway. 2017-03-19 Gerald Pfeifer * doc/install.texi (Specific) : No longer refer to age-old versions of binutils and glibc. 2017-03-18 Segher Boessenkool * doc/contrib.texi (Contributors): Remove duplicate entry for myself. 2017-03-18 Gerald Pfeifer * doc/contrib.texi (Contributors): Add Segher Boessenkool. 2017-03-18 Gerald Pfeifer * doc/install.texi (Specific) : Remove old requirement for binutils 2.13. 2017-03-17 Jim Wilson * combine.c (try_combine): Delete redundant i1 test. Call prev_nonnote_nondebug_insn instead of prev_nonnote_insn. 2017-03-17 Palmer Dabbelt : Add riscv32-*-elf, riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of contents. : Re-arrange section : Add a note about requiring binutils 2.28. : Likewise. : Likewise : Likewise. 2017-03-17 Richard Earnshaw PR target/80052 * aarch64.opt(verbose-cost-dump): Fix typo. 2017-03-17 Pat Haugen PR target/79951 * config/rs6000/rs6000.md (copysign3_fcpsgn): Test for VECTOR_UNIT_VSX_P (mode) too. 2017-03-17 Bernd Schmidt * reload.c (find_reloads): When reloading a nonoffsettable address, use RELOAD_OTHER for it and its address reloads. PR rtl-optimization/79910 * combine.c (record_used_regs): New static function. (try_combine): Handle situations where there is an additional instruction between I2 and I3 which needs to have a LOG_LINK updated. 2017-03-17 Jeff Law PR tree-optimization/71437 * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the conditional in the hash table first. (vrp_dom_walker::before_dom_children): Extract condition from ASSERT_EXPR. Record condition, its inverion and any implied conditions as well. 2017-03-17 Marek Polacek Markus Trippelsdorf PR tree-optimization/80079 * gimple-ssa-store-merging.c (class pass_store_merging): Initialize m_stores_head. 2017-03-17 Richard Biener PR middle-end/80075 * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns. Properly verify the LHS before the RHS possibly claims to be handled. (stmt_could_throw_p): Hande gimple conds fully here. Clobbers do not throw. 2017-03-17 Martin Jambor * doc/invoke.texi (Option Options): Include -fipa-vrp in the list. (List of -O2 options): Likewise. (-fipa-bit-cp): Replace "ipa" with "interprocedural." (-fipa-vrp) New. 2017-03-17 Tom de Vries * gcov-dump.c (print_usage): Print bug_report_url. 2017-03-17 Richard Biener PR middle-end/80050 * genmatch.c (parser::next): Remove pointless check for CPP_EOF. (parser::peek): Likewise. 2017-03-17 Richard Biener PR tree-optimization/80048 * sese.c (free_sese_info): Properly release rename_map and copied_bb_map elements. 2017-03-16 Alexandre Oliva * gimple-ssa-store-merging.c (struct imm_store_chain_info): Add linked-list forward and backlinks. Insert on construction, remove on destruction. (class pass_store_merging): Add m_stores_head field. (pass_store_merging::terminate_and_process_all_chains): Iterate over m_stores_head list. (pass_store_merging::terminate_all_aliasing_chains): Likewise. (pass_store_merging::execute): Check for debug stmts first. Push new chains onto the m_stores_head stack. 2017-03-16 Michael Meissner PR target/71294 * config/rs6000/vsx.md (vsx_splat_, VSX_D iterator): Allow a SPLAT operation on ISA 2.07 64-bit systems that have direct move, but no MTVSRDD support, by doing MTVSRD and XXPERMDI. 2017-03-16 Jeff Law PR tree-optimization/71437 * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge member function. Implementation moved into after_dom_children member function and into the threader's thread_outgoing_edges function. (dom_opt_dom_walker::after_dom_children): Simplify by moving some code into new thread_outgoing_edges. * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify definition. Simplify marker handling (do it here). Assume we always have the available expression and the const/copies tables. (thread_outgoing_edges): New function extracted from tree-ssa-dom.c and tree-vrp.c * tree-ssa-threadedge.h (thread_outgoing_edges): Declare. * tree-vrp.c (equiv_stack): No longer file scoped. (vrp_dom_walker): New class. (vrp_dom_walker::before_dom_children): New member function. (vrp_dom_walker::after_dom_children): Likewise. (identify_jump_threads): Setup domwalker. Use it rather than walking edges in a random order by hand. Simplify setup/finalization. (finalize_jump_threads): Remove. (vrp_finalize): Do not call identify_jump_threads here. (execute_vrp): Do it here instead and call thread_through_all_blocks here too. PR tree-optimization/71437 * tree-ssa-dom.c (pfn_simplify): Add basic_block argument. All callers changed. (simplify_stmt_for_jump_threading): Add basic_block argument. All callers changed. (lhs_of_dominating_assert): Moved from here into tree-vrp.c. (dom_opt_dom_walker::thread_across_edge): Remove handle_dominating_asserts argument. All callers changed. (record_temporary_equivalences_from_stmts_at_dest): Corresponding changes. Remove calls to lhs_of_dominating_assert. Other uses of handle_dominating_asserts turn into unconditional code (simplify_control_stmt_condition_1): Likewise. (simplify_control_stmt_condition): Likewise. (thread_through_normal_block, thread_across_edge): Likewise. * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes. * tree-vrp.c (lhs_of_dominating_assert): Move here. Return original object if it is not an SSA_NAME. (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert before calling into the VRP specific simplifiers. (identify_jump_threads): Remove handle_dominating_asserts argument. 2017-03-16 Jakub Jelinek PR fortran/79886 * tree-diagnostic.c (default_tree_printer): No longer static. * tree-diagnostic.h (default_tree_printer): New prototype. 2017-03-16 Tamar Christina * config/aarch64/aarch64-simd.md (*aarch64_simd_mov) Change ins into fmov. 2017-03-16 Kyrylo Tkachov * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF. * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup): Use h_con constraint for operand 1. (*aarch64_fnma4_elt_from_dup): Likewise. (*aarch64_mulx_elt_from_dup): Likewise for operand 2. 2017-03-15 Jeff Law PR tree-optimization/71437 * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function. (record_temporary_equivalences): Use it. PR tree-optimization/71437 * tree-ssa-dom.c (struct cond_equivalence): Moved from here into tree-ssa-scopedtables. (lookup_avail_expr, build_and_record_new_cond): Likewise. (record_conditions, record_cond, vuse_eq): Likewise. (record_edge_info): Adjust to API tweak of record_conditions. (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr. (record_temporary_equivalences, optimize_stmt): Likewise. (eliminate_redundant_computations): Likewise. (record_equivalences_from_stmt): Likewise. * tree-ssa-scopedtables.c: Include options.h and params.h. (vuse_eq): New function, moved from tree-ssa-dom.c (build_and_record_new_cond): Likewise. (record_conditions): Likewise. Accept vector of conditions rather than edge_equivalence structure for first argument. for the first argument. (avail_exprs_stack::lookup_avail_expr): New member function, moved from tree-ssa-dom.c. (avail_exprs_stack::record_cond): Likewise. * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here from tree-ssa-dom.c. (avail_exprs_stack): Add new member functions lookup_avail_expr and record_cond. (record_conditions): Declare. 2017-03-15 Vladimir Makarov PR target/80017 * lra-constraints.c (process_alt_operands): Increase reject for reloading an input/output operand. 2017-03-15 Michael Meissner PR target/79038 * config/rs6000/rs6000.md (float2): Define insns to convert from signed/unsigned char/short to IEEE 128-bit floating point. (floatuns2): Likewise. 2017-03-15 Uros Bizjak PR target/80019 * config/i386/i386.c (ix86_vector_duplicate_value): Create subreg of inner mode for values already in registers. 2017-03-15 Bernd Schmidt * config/c6x/c6x.c (hwloop_optimize): Handle case where the old iteration reg is used after the loop. 2017-03-14 Martin Sebor PR tree-optimization/79800 * gimple-ssa-sprintf.c (format_floating: Add argument. Handle precision in negative-positive range. (format_floating): Call non-const overload with adjusted precision. 2017-03-14 Michael Meissner PR target/79947 * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for -mpowerpc-gfxopt. 2017-03-14 Martin Sebor PR middle-end/80020 * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro. * builtins.def (aligned_alloc): Use it. PR c/79936 * Makefile.in (GTFILES): Add calls.c. * calls.c: Include "gt-calls.h". 2017-03-14 Bernd Schmidt PR rtl-optimization/79728 * regs.h (struct target_regs): New field x_contains_allocatable_regs_of_mode. (contains_allocatable_regs_of_mode): New macro. * reginfo.c (init_reg_sets_1): Initialize it, and change contains_reg_of_mode so it includes global regs as well. * reload.c (push_reload): Use contains_allocatable_regs_of_mode rather than contains_regs_of_mode. 2017-03-14 Martin Liska * doc/invoke.texi: Document options that can't be combined with -fcheck-pointer-bounds. 2017-03-14 Martin Liska PR middle-end/79831 * doc/invoke.texi (-Wchkp): Document the option. 2017-03-14 Martin Liska * Makefile.in: Install gcov-dump. 2017-03-14 Martin Liska * multiple_target.c (expand_target_clones): Bail out for an invalid attribute. 2017-03-14 Richard Biener * alias.c (struct alias_set_entry): Pack properly. * cfgloop.h (struct loop): Likewise. * cse.c (struct set): Likewise. * ipa-utils.c (struct searchc_env): Likewise. * loop-invariant.c (struct invariant): Likewise. * lra-remat.c (struct cand): Likewise. * recog.c (struct change_t): Likewise. * rtl.h (struct address_info): Likewise. * symbol-summary.h (function_summary): Likewise. * tree-loop-distribution.c (struct partition): Likewise. * tree-object-size.c (struct object_size_info): Likewise. * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise. * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise. * tree-vect-data-refs.c (struct _vect_peel_info): Likewise. * tree-vect-slp.c (struct _slp_oprnd_info): Likewise. * tree-vect-stmts.c (struct simd_call_arg_info): Likewise. * tree-vectorizer.h (struct _loop_vec_info): Likewise. (struct _stmt_vec_info): Likewise. 2017-03-14 Martin Liska PR target/79892 * multiple_target.c (create_dispatcher_calls): Check that a target can create a function dispatcher. 2017-03-14 Martin Liska PR lto/66295 * multiple_target.c (expand_target_clones): Drop local.local flag for default implementation. 2017-03-14 Richard Biener PR tree-optimization/80030 * tree-vect-stmts.c (vectorizable_store): Plug memleak. 2017-03-13 Kito Cheng * config/riscv/riscv.c (riscv_emit_float_compare>: Use gcc_fallthrough() instead of __attribute__((fallthrough)); 2017-03-13 Gerald Pfeifer * doc/gcc.texi: Remove "up" link to (DIR). * doc/gccint.texi: Ditto. 2017-03-13 Gerald Pfeifer * doc/install.texi (Specific) : Remove reference to binutils 2.13. 2017-03-13 Jeff Law * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru attribute rather than comments. * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to match_scratch operand is highest. 2017-03-13 Martin Liska PR middle-end/78339 * ipa-pure-const.c (warn_function_noreturn): If the declarations is a CHKP clone, use original declaration. 2017-03-13 Claudiu Zissulescu * config/arc/arc.c (arc_init): Use multiplier whenever we have it. (arc_conditional_register_usage): Use a different allocation order when optimizing for size. * common/config/arc/arc-common.c (arc_option_optimization_table): Section anchors default on when optimizing for size. 2017-03-13 Claudiu Zissulescu * config/arc/arc.md (*tst_bitfield_tst): Fix pattern. 2017-03-13 Claudiu Zissulescu * config/arc/arc.c (arc_output_addsi): Emit code density adds. * config/arc/arc.md (cpu_facility): Add cd variant. (*movqi_insn): Add code density variant. (*movhi_insn): Likewise. (*movqi_insn): Likewise. (*addsi3_mixed): Likewise. (subsi3_insn): Likewise. 2017-03-13 Claudiu Zissulescu * config/arc/arc.md (movsi_cond_exec): Update constraint. 2017-03-13 Claudiu Zissulescu * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC expressions with MINUS and UNARY ops. 2017-03-13 Kyrylo Tkachov PR target/79911 * config/arm/neon.md (vec_sel_widen_ssum_lo3): Rename to... (vec_sel_widen_ssum_lo3): ... This. Avoid mismatch between vec_select and vector argument. (vec_sel_widen_ssum_hi3): Rename to... (vec_sel_widen_ssum_hi3): ... This. Likewise. (vec_sel_widen_usum_lo3): Rename to... (vec_sel_widen_usum_lo3): ... This. (vec_sel_widen_usum_hi3): Rename to... (vec_sel_widen_usum_hi3): ... This. 2017-03-13 Richard Biener PR other/79991 * params.def (vect-max-peeling-for-alignment): Fix typo. 2017-03-12 Gerald Pfeifer * doc/install.texi (Specific) : Remove description of issue that only occurred with binutils below 2.18. 2017-03-12 Gerald Pfeifer * doc/install.texi (Specific) : No longer refer to binutils 2.11/2.12 minimum. 2017-03-12 Gerald Pfeifer * doc/install.texi (Specific) : Remove link to ftp.kernel.org and simplify binutils requirement. 2017-03-11 Gerald Pfeifer * doc/invoke.texi (Warning Options): Fix spelling of link-time optimization. (Optimize Options): Ditto. Also remove redundancy. 2017-03-10 David Malcolm PR translation/79848 * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to "%qs". * ipa-pure-const.c (suggest_attribute): Likewise. Convert _ to G_ to avoid double translation. 2017-03-10 David Malcolm PR translation/79923 * auto-profile.c (get_combined_location): Convert leading character of diagnostics to lower case and remove trailing period. (read_profile): Likewise for various diagnostics. * config/arm/arm.c (arm_option_override): Remove trailing period from various diagnostics. * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise. (msp430_expand_delay_cycles): Likewise. 2017-03-10 David Malcolm PR target/79925 * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the full command-line argument, rather than just "str". (aarch64_validate_march): Likewise. (aarch64_validate_mtune): Likewise. 2017-03-10 Bernd Schmidt PR rtl-optimization/78911 * lra-assigns.c (must_not_spill_p): New function. (spill_for): Use it. 2017-03-10 Jakub Jelinek PR tree-optimization/79981 * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of ATOMIC_COMPARE_EXCHANGE ifn result. (stmt_interesting_for_vrp, vrp_visit_stmt): Handle IFN_ATOMIC_COMPARE_EXCHANGE. 2017-03-10 David Malcolm PR driver/79875 * opts.c (parse_sanitizer_options): Add missing question mark to "did you mean" message. 2017-03-10 Bill Schmidt * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned built-in. (VMULEUH_UNS): Likewise. (VMULOUB_UNS): Likewise. (VMULOUH_UNS): Likewise. * config/rs6000/rs6000.c (builtin_function_type): Remove references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS. 2017-03-10 David Malcolm PR bootstrap/79952 * read-rtl-function.c (function_reader::read_rtx_operand): Update x with result of extra_parsing_for_operand_code_0. (function_reader::extra_parsing_for_operand_code_0): Convert return type from void to rtx, returning x. When reading SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the larger size containing struct block_symbol. 2017-03-10 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow -mfloat128-hardware without -m64. 2017-03-10 Will Schmidt PR target/79941 * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB] entries to the case statement that marks unsigned arguments to overloaded functions. 2017-03-10 Kelvin Nilsen * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix two typographic errors in the handling of TARGET_UPPER_REGS_DI. 2017-03-10 Pat Haugen PR target/79907 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass. 2017-03-10 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Enable MPX with LSAN and UBSAN. * tree-chkp.c (chkp_walk_pointer_assignments): Verify that FIELD != NULL. 2017-03-10 Olivier Hainque * tree-switch-conversion (array_value_type): Start by resetting candidate type to it's main variant. 2017-03-10 Jakub Jelinek PR rtl-optimization/79909 * combine.c (try_combine): Use simplify_replace_rtx on individual CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx of the whole CALL_INSN_FUNCTION_USAGE. PR tree-optimization/79972 * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info on SSA_NAMEs. Formatting fixes. 2017-03-10 Richard Biener Jakub Jelinek PR tree-optimization/77975 * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch edge to be constant. (get_val_for): For constant x return it. Formatting fix. (loop_niter_by_eval): Avoid pointless looping if the next iteration would use the same bases as the current one. 2017-03-09 Bill Schmidt * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate instead of vec_select for V1TImode. * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no longer needed. (VSX_LE_128): Add V1TI to this mode iterator. (*vsx_le_perm_load_): Change to use VSX_D mode iterator. (*vsx_le_perm_store_): Likewise. (pre-reload splitter for VSX stores): Likewise. (post-reload splitter for VSX stores): Likewise. (*vsx_xxpermdi2_le_): Likewise. (*vsx_lxvd2x2_le_): Likewise. (*vsx_stxvd2x2_le_): Likewise. 2017-03-09 Michael Eager Correct failures with --enable-checking=yes,rtl. * config/microblaze/microblaze.c (microblaze_expand_shift): Replace GET_CODE test with CONST_INT_P and INTVAL test with test for const0_rtx. * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone, lshrsi3_byone): Replace INTVAL with test for const1_rtx. 2017-03-09 Richard Biener PR tree-optimization/79977 * graphite-scop-detection.c (scop_detection::merge_sese): Handle the case of extra exits to blocks dominating the entry. 2017-03-09 Toma Tabacu * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes): Document rdynamic. 2017-03-09 Vladimir Makarov PR rtl-optimization/79949 * lra-constraints.c (process_alt_operands): Check memory when trying to predict a cycle. Print about the overall increase. 2017-03-09 Richard Biener PR middle-end/79971 * gimple-expr.c (useless_type_conversion_p): Preserve TYPE_SATURATING for fixed-point types. 2017-03-09 Richard Biener PR ipa/79970 * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing alignment of BLKmode params. 2017-03-09 Kyrylo Tkachov PR target/79913 * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator. (VALL_NO_V2Q): Likewise. (VDQF_DF): Delete. * config/aarch64/aarch64-simd.md (aarch64_dup_lane_): Use VALL_F16_NO_V2Q iterator. (*aarch64_simd_vec_copy_lane_): Use VALL_NO_V2Q mode iterator. (*aarch64_vgetfmulx): Use VDQF iterator. 2017-03-09 Martin Liska PR tree-optimization/79631 * tree-chkp-opt.c (chkp_is_constant_addr): Call tree_int_cst_sign_bit just for INTEGER constants. 2017-03-09 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Disable -fcheck-pointer-bounds with sanitizers. 2017-03-09 Marek Polacek PR c++/79672 * tree.c (inchash::add_expr): Handle TREE_VEC. 2017-03-09 Martin Liska PR ipa/79764 (chkp_narrow_size_and_offset): New function. (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF. (void chkp_parse_bit_field_ref): New function. (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF. (chkp_process_stmt): Use chkp_parse_bit_field_ref. 2017-03-09 Martin Liska PR ipa/79761 * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param. (chkp_find_bounds_1): Remove gcc_unreachable. 2017-03-09 Jakub Jelinek PR sanitizer/79944 * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and BUILT_IN_SYNC*, determine the access type from the size suffix and always build a MEM_REF with that type. Handle forgotten BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16. PR target/79932 * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask, _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask, _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask, _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask, _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask, _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask, _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask, _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask, _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask, _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask, _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask, _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask, _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask, _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask, _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask, _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask, _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask, _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask, _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask, _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask, _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask, _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask, _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask, _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask, _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask, _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask, _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask, _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask, _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask, _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move definitions outside of __OPTIMIZE__ guarded section. PR target/79932 * config/i386/avx512bwintrin.h (_mm512_packs_epi32, _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32, _mm512_packus_epi32, _mm512_maskz_packus_epi32, _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__ guarded section. 2017-03-09 Andreas Krebbel * config/s390/vx-builtins.md ("vfee", "vfeez") ("vfenez"): Add missing constraints. 2017-03-08 Martin Sebor PR target/79928 * config/nds32/nds32.c (nds32_option_override): Fix misspelled diagnostic. 2017-03-08 Jakub Jelinek PR c/79940 * gimplify.c (gimplify_omp_for): Replace index var in outer taskloop statement with an artificial variable and add OMP_CLAUSE_PRIVATE clause for it. 2017-03-08 Richard Biener PR tree-optimization/79955 * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn for accesses that are completely outside of the variable. 2017-03-08 Andrew Haley PR tree-optimization/79943 * tree-ssa-loop-split.c (compute_new_first_bound): When calculating the new upper bound, (END-BEG) should be added, not subtracted. 2017-03-08 Jakub Jelinek * config/avr/avr.md (setmemhi): Make sure match_dup operand number comes before match_scratch. 2017-03-08 Richard Biener PR tree-optimization/79920 * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline with ncopies == 1 to ... (vect_transform_slp_perm_load): ... here. Properly compute all element loads by iterating VF times over the group. Do not handle ncopies (computed in a broken way) in vect_create_mask_and_perm. 2017-03-08 Jakub Jelinek PR sanitizer/79904 * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1 is a uniform vector, use uniform_vector_p return value instead of building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type. 2017-03-07 Marek Polacek PR middle-end/79809 * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT. (alloca_call_type): Likewise. 2017-03-07 Martin Liska * gcov.c (process_args): Put comment to correct location. 2017-03-07 Martin Liska PR middle-end/68270 * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref. Use array_at_struct_end_p instead of DECL_CHAIN (field). (chkp_narrow_bounds_for_field): Likewise. (chkp_parse_array_and_component_ref): Pass one more argument to call. 2017-03-07 Richard Biener * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve preheaders. 2017-03-07 Segher Boessenkool * config/i386/i386.c (ix86_local_alignment): Align most aggregates of 16 bytes and more to 16 bytes, not those of 16 bits and more. 2017-03-07 Kyrylo Tkachov PR c/79855 * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop to end of description. (PARAM_MAX_STORES_TO_MERGE): Likewise. 2017-03-07 Jakub Jelinek PR rtl-optimization/79901 * config/i386/sse.md (*avx512bw_3): Renamed to ... (*avx512f_3): ... this. (3 with maxmin code iterator): Use VI8_AVX2_AVX512F iterator instead of VI8_AVX2_AVX512BW. PR rtl-optimization/79901 * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no min/max expander, expand it using expand_vec_cond_expr. PR sanitizer/79897 * ubsan.c (ubsan_encode_value): Call mark_addressable on the temporary. 2017-03-06 Jakub Jelinek PR c++/79821 * dwarf2out.h (dw_vec_const): Change array type from unsigned char * to void * for PCH reasons. * dwarf2out.c (output_loc_operands, output_die): Cast v.val_vec.array to unsigned char *. 2017-03-06 John David Anglin PR target/77850 * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and vector types. 2017-03-06 Vladimir Makarov PR rtl-optimization/79571 * lra-constraints.c (process_alt_operands): Calculate static reject and subtract it from overall when only addresses will be reloaded. 2017-03-06 Julia Koval PR target/79793 * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set incoming stack boundary to 128 for 64-bit targets. 2017-03-06 Richard Biener PR tree-optimization/79894 * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call to NULL after folding it. 2017-03-06 Richard Biener PR tree-optimization/79824 * tree-vect-stmts.c (get_group_load_store_type): Fix alignment check disabling peeling for gaps. 2017-03-06 Toma Tabacu * doc/sourcebuild.texi (Effective-Target Keywords, Environment attributes): Document gettimeofday. 2017-03-06 Robin Dapp * config/s390/s390.c (s390_option_override_internal): Set PARAM_MIN_VECT_LOOP_BOUND 2017-03-06 Robin Dapp * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0. * config/s390/s390.md: Likewise. 2017-03-06 Jakub Jelinek PR target/79812 * config/i386/sse.md (VI8F_256_512): Remove mode iterator. (_perm): Rename to ... (avx2_perm): ... this. Use VI8F_256 iterator instead of VI8F_256_512. (_perm_mask): Rename to ... (avx512vl_perm_mask): ... this. Use VI8F_256 iterator instead of VI8F_256_512. (_perm_1): Rename to ... (avx2_perm_1): New define_expand. (avx512f_perm_mask): Likewise. (avx512f_perm_1): New define_insn. (_vec_dup_1): Fix up vec_select mode. 2017-03-06 Prachi Godbole * config/mips/mips-msa.md (msa_fmax_a_, msa_fmin_a_, msa_max_a_, msa_min_a_): Introduce mode interator for if_then_else. (smin3, smax3): Change operand print code from 'B' to 'E'. 2017-03-06 Martin Liska PR sanitize/79783 * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON when having a SSA NAME w/o VAR_DECL assigned to it. 2017-03-06 Prachi Godbole * config/mips/mips-msa.md (msa_dotp__d, msa_dpadd__d, msa_dpsub__d): Fix MODE for vec_select. 2017-03-06 Prachi Godbole * config/mips/mips.c (mips_gen_const_int_vector): Change type of last argument. * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise. 2017-03-06 Richard Biener * lto-streamer.c (lto_check_version): Use %qs in diagnostics. * plugin.c (register_plugin_info): Likewise. * tree-chkp.c (chkp_make_static_const_bounds): Likewise. 2017-03-05 Jakub Jelinek * config/i386/sse.md (sse_storehps, sse_storelps, avx__, avx512f__, avx512f__256): Require in condition that at least one operand is not a MEM. 2017-03-03 Jakub Jelinek PR middle-end/79805 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET, ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove ECF_NOTHROW. * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set gimple_call_nothrow_p flag based on whether original builtin can throw. If it can, emit following stmts on the fallthrough edge. * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except don't create new bb if inserting just debug stmts on the edge, try to insert them on the fallthru bb or just reset debug stmts. 2017-03-03 Segher Boesssenkool PR target/43763 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and restore recog_data (including the operand rtxes inside it) around the call to get_insn_template. 2017-03-03 Martin Sebor PR tree-optimization/79699 * context.c (context::~context): Free MPFR caches to avoid a memory leak on program exit. 2017-03-03 Kyrylo Tkachov * config/aarch64/aarch64.c (aarch64_float_const_representable_p): Use wide_int::ulow () instead of .elt (0). 2017-03-03 Uros Bizjak * config/i386/i386.md (*pushtf): Change *roF constraint to *roC. (*pushxf): Limit oF constraint to 32bit targets and add oC constraint for 64bit targets. (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment. (*pushdf): Change rmF constraint to rmC. 2017-03-03 Martin Liska * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute): Remove unused variable. 2017-03-03 Jakub Jelinek PR target/79807 * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target is a memory operand, increase num_memory. (ix86_expand_args_builtin): Likewise. 2017-03-03 Jan Hubicka PR lto/79760 * ipa-devirt.c (maybe_record_node): Properly handle __cxa_pure_virtual visibility. 2017-03-03 Martin Liska PR tree-optimization/79803 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove assert. (pass_loop_prefetch::execute): Disabled optimization if an assumption about L1 cache size is not met. 2017-03-03 Martin Liska PR rtl-optimization/79574 * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int. (hash_scan_set): Likewise. (dump_hash_table): Likewise. (hoist_code): Likewise. 2017-03-03 Richard Biener * fixed-value.c (fixed_from_string): Restore use of elt (1) in place of uhigh (). (fixed_convert_from_real): Likewise. 2017-03-03 Uros Bizjak PR target/79514 * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode. 2017-03-03 Richard Biener PR middle-end/79818 * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing TYPE_OVERFLOW_UNDEFINED check. 2017-03-02 Bill Schmidt * config/rs6000/vector.md (vector_ne__p): Correct operand numbers. (vector_ae__p): Likewise. (vector_nez__p): Likewise. (vector_ne_v2di_p): Likewise. (vector_ae_v2di_p): Likewise. (vector_ne__p): Likewise. * config/rs6000/vsx.md (vsx_tsqrt2_fg): Correct operand numbers. (vsx_tsqrt2_fe): Likewise. 2017-03-02 Uros Bizjak PR target/79514 * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern. 2017-03-02 Jakub Jelinek PR rtl-optimization/79780 * cprop.c (one_cprop_pass): When second and further conditional trap in a single basic block is turned into an unconditional trap, turn it into a deleted note to avoid RTL verification failures. 2017-03-02 Richard Biener * fold-const.c (const_binop): Use ulow () instead of elt (0). 2017-03-02 Richard Biener PR tree-optimization/79345 PR c++/42000 * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit param and abort the walk, returning -1 if it is hit. (walk_aliased_vdefs): Take a limit param and pass it on. * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param, defaulting to 0 and return a signed int. * tree-ssa-uninit.c (struct check_defs_data): New struct. (check_defs): New helper. (warn_uninitialized_vars): Use walk_aliased_vdefs to warn about uninitialized memory. * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid bogus uninitialized warning. (fixed_convert_from_real): Likewise. 2017-03-02 Bin Cheng PR tree-optimization/66768 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr iv_use if base object can't be determined. 2017-03-02 Jakub Jelinek PR tree-optimization/79345 * gensupport.h (struct pattern_stats): Add min_scratch_opno field. * gensupport.c (get_pattern_stats_1) : Update it. (get_pattern_stats): Initialize it. * genemit.c (gen_expand): Verify match_scratch numbers come after match_operand/match_dup numbers. * config/i386/i386.md (mul3_highpart): Swap match_dup and match_scratch numbers. * config/i386/sse.md (avx2_gathersi, avx2_gatherdi): Likewise. * config/s390/s390.md (trunctdsd2): Likewise. 2017-03-02 Richard Biener * wide-int.h (wide_int_storage::operator=): Implement in terms of wi::copy. 2017-03-02 Richard Biener PR tree-optimization/79777 * tree-ssa-pre.c (eliminate_insert): Give up if we simplify the to insert expression to sth existing. 2017-03-01 Martin Sebor PR middle-end/79692 * gimple-ssa-sprintf.c (directive::known_width_and_precision): New function. (format_integer): Use it. (get_mpfr_format_length): Consider the full range of precision when computing %g output with the # flag. Set the likely byte count to 3 rather than 1 when precision is indeterminate. (format_floating): Correct the lower bound of precision. 2017-03-01 Bill Schmidt * doc/invoke.texi: Document default code model for 64-bit Linux. 2017-03-01 Aaron Sawdey PR target/79752 * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit udiv rather than div since input pattern is unsigned. 2017-03-01 Uros Bizjak * config/i386/i386.c (print_reg): Warn for values of unsupported size in integer register. 2017-03-01 Michael Meissner PR target/79439 * config/rs6000/predicates.md (current_file_function_operand): Do not allow self calls to be local if the function is replaceable. 2017-03-01 Kelvin Nilsen PR target/79395 * config/rs6000/altivec.h (vec_ctz and others): Change the preprocessor macro that controls conditional compilation from _ARCH_PWR9 to __POWER9_VECTOR__. (vec_all_ne): Change parameterization of __altivec_scalar_pred macro expansion under preprocessor #ifdef __POWER9_VECTOR__ control (instead of _ARCH_PWR9 control) so that template definition uses power9-specific function. (vec_any_eq): Likewise. (vec_all_ne): Change macro definition to use a power9-specific expansion under #ifdef __POWER9_VECTOR__ control (instead of _ARCH_PWR9 control). (vec_any_eq) Likewise. * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2 expansion for CMPNEF to remove support for xvcmpnesp instruction. (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove support for xvcmpnedp instruction. (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2 macro expansion so that Power9 implementation of vec_all_ne does not use the AltiVec predicate framework. (VCMPNEH_P): Likewise. (VCMPNEW_P): Likewise. (VCMPNED_P): Likewise. (VCMPNEFP_P): Likewise. (VCMPNEDP_P): Likewise. (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change implementation of vec_any_eq to not use AltiVec predicate framework. (VCMPAEH_P): Likewise. (VCMPAEW_P): Likewise. (VCMPAED_P): Likewise. (VCMPAEFP_P): Likewise. (VCMPAEDP_P): Likewise. (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does not use the AltiVec predicate framework. (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation of vec_any_eq to not use AltiVec predicate framework. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add support for predefined __POWER9_VECTOR__ macro to indicate that Power9 instruction selection is enabled. (altivec_overloaded_builtins): Remove extraneous ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded function argument types RS6000_BTI_bool_V16QI and RS6000_BTI_bool_V16QI. Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded function argument types RS6000_BTI_bool_V4SI andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB. Remove two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to P9V_BUILTIN_CMPNEF to force use of instructions not specific to Power9 for implementations of vec_cmpne. Change the signature for all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function (representing vec_all_ne) to remove the previously described first argument of type RS6000_BTI_INTSI, as this was an artifact of reliance on the AltiVec predicate framework, which is no longer used in the implementation of these functions. Add P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries since, unlike the AltiVec predicate framework implementation, we do not share function descriptors between vec_alle and vec_anyeq. (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the set of modes that receive special treatment even when TARGET_P9_VECTOR is true. The special treatment emits code that does not depend on Power9 instructions. * config/rs6000/vector.md (vector_ne__p): Change this define_expand to not rely on AltiVec predicate framework. (vector_ae_p): New define_expand to represent vec_any_eq function. (vector_ne_v2di_p): Change this define_expand to not rely on AltiVec predicate framework. (vector_ae_v2di_p): New define_expand to represent vec_any_eq function. (vector_ne__p): Change this define_expand to not rely on AltiVec predicate framework. (vector_ae_p): New define_expand to represent vec_any_eq function. * config/rs6000/vsx.md (*vsx_ne__p): For modes VSX_EXTRACT_I (V16QI, V8HI, V4SI), correct a typo in the code emitted for this define_insn pattern. (*vsx_ne__p): For modes VSX_F (V4SF and V2DF), remove this define_insn pattern because the xvcmpne. instruction is not supported. (vcmpne): Remove this define_insn because xvcmpne instruction is not supported. 2017-03-01 Jakub Jelinek * config/nvptx/nvptx.c: Include intl.h. 2017-03-01 Martin Jambor PR lto/78140 * ipa-prop.h (ipa_bits): Removed field known. (ipa_jump_func): Removed field vr_known. Changed fields bits and m_vr to pointers. Adjusted their comments to warn about their sharing. (ipcp_transformation_summary): Change bits to a vector of pointers. (ipa_check_create_edge_args): Moved to ipa-prop.c, declare. (ipa_get_ipa_bits_for_value): Declare. * tree-vrp.h (value_range): Mark as GTY((for_user)). * ipa-prop.c (ipa_bit_ggc_hash_traits): New. (ipa_bits_hash_table): Likewise. (ipa_vr_ggc_hash_traits): Likewise. (ipa_vr_hash_table): Likewise. (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr being pointers and vr_known being removed. (ipa_set_jf_unknown): Likewise. (ipa_get_ipa_bits_for_value): New function. (ipa_set_jfunc_bits): Likewise. (ipa_get_value_range): New overloaded functions. (ipa_set_jfunc_vr): Likewise. (ipa_compute_jump_functions_for_edge): Use the above functions to construct bits and vr parts of jump functions. (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate ipa_bits_hash_table and ipa_vr_hash_table if they do not already exist. (ipcp_grow_transformations_if_necessary): Also allocate ipa_bits_hash_table and ipa_vr_hash_table if they do not already exist. (ipa_node_params_t::duplicate): Do not copy bits, just pointers to them. Fix too long lines. (ipa_write_jump_function): Adjust for bits and m_vr being pointers and vr_known being removed. (ipa_read_jump_function): Use new setter functions to construct bits and vr parts of jump functions or set them to NULL. (write_ipcp_transformation_info): Adjust for bits being pointers. (read_ipcp_transformation_info): Likewise. (ipcp_update_bits): Likewise. Fix excessively long lines a trailing space. Include gt-ipa-prop.h. * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits being pointers. (ipcp_store_bits_results): Likewise. (propagate_vr_across_jump_function): Adjust for m_vr being a pointer. Do not write to existing jump functions but use a temporary instead. 2017-03-01 Jakub Jelinek PR c++/79681 * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF, attempt to use its first operand as BIT_FIELD_REF base. 2017-03-01 Richard Biener PR middle-end/79721 * tree-chrec.c (chrec_evaluate): Perform computation of Newtons interpolating formula in wrapping arithmetic. (chrec_apply): Convert chrec_evaluate return value to wanted type. 2017-03-01 Jakub Jelinek PR tree-optimization/79734 * tree-vect-generic.c (expand_vector_condition): Optimize AVX512 vector boolean VEC_COND_EXPRs into bitwise operations. Handle VEC_COND_EXPR where comparison has different inner width from type's inner width. 2017-02-28 Sandra Loosemore * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation, markup, and similar issues. Remove @opindex entries for things that aren't options. Add missing -mmpy-option entries. 2017-02-28 Jakub Jelinek PR tree-optimization/79737 * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear tmpbuf[byte_size - 1]. Call natice_encode_expr with byte_size - 1 instead of byte_size. Formatting fix. (shift_bytes_in_array_right): Formatting fix. 2017-02-28 Eric Botcazou PR target/79749 * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing condition on optimize for the leaf function test. 2017-02-28 Martin Liska PR lto/79625 * read-rtl-function.c (function_reader::handle_unknown_directive): Bail out when one uses -flto. 2017-02-28 Martin Liska * common.opt: Replace space with tabular for options of type. * config/i386/i386.opt: Show value for -mlarge-data-threshold. * opts.c (print_filtered_help): Do not display number in hexadecimal format. 2017-02-28 Martin Liska * common.opt: Fix --help=option -Q for options which are of an enum type. 2017-02-28 Uros Bizjak * config/i386/i386.c (print_reg): Error out for values of 8-bit size in invalid integer register. 2017-02-28 Martin Sebor PR tree-optimization/79691 * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length. 2017-02-28 Jakub Jelinek PR target/79729 * config/i386/i386.c (ix86_print_operand) : Replace gcc_unreachable with output_operand_lossage. 2017-02-28 Richard Biener PR tree-optimization/79740 * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant inserts. (visit_nary_op): Insert the nary into the hashtable if we pattern-matched sth. * tree-ssa-pre.c (eliminate_insert): Robustify. 2017-02-28 Richard Biener PR middle-end/79731 * fold-const.c (decode_field_reference): Reject out-of-bound accesses. 2017-02-28 Jakub Jelinek * config/i386/i386.c: Include intl.h. (ix86_option_override_internal): Use cond ? G_("...") : G_("...") instead of just cond ? "..." : "...". * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise. * coverage.c (read_counts_file): Likewise. * omp-offload.c: Include intl.h. (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead of just cond ? "..." : "...". * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead of just cond ? "..." : "...". 2017-02-28 Richard Earnshaw PR target/79742 * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for' entry, if present. * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct 'tune for' CPU name. * config/arm/arm-cpu-data.h: Regenerated. 2017-02-28 Richard Biener PR tree-optimization/79732 * tree-inline.c (expand_call_inline): Do not shadow var. 2017-02-28 Richard Biener PR tree-optimization/79723 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve address-space properly. 2017-02-28 Thomas Schwinge * doc/optinfo.texi (Optimization groups): Fix option used for OPTGROUP_ALL. * doc/invoke.texi (-fopt-info): Document "omp". * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC. (OPTGROUP_ALL): Add OPTGROUP_OMP. * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP. * ipa-hsa.c (pass_data_ipa_hsa): Likewise. * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise. * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP. Adjust all users. * dumpfile.c (optgroup_options): Instead of "openmp", associate OPTGROUP_OMP with "omp". 2017-02-27 Pat Haugen PR target/79544 * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD for arithmetic shift of unsigned V2DI. 2017-02-27 Claudiu Zissulescu * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and arc/linux.h headers. * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove. (LINK_SPEC): Likewise. (ARC_TLS_EXTRA_START_SPEC): Likewise. (EXTRA_SPECS): Likewise. (STARTFILE_SPEC): Likewise. (ENDFILE_SPEC): Likewise. (LIB_SPEC): Likewise. (TARGET_SDATA_DEFAULT): Likewise. (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise. (MULTILIB_DEFAULTS): Likewise. (DWARF2_UNWIND_INFO): Likewise. * config/arc/big.h: New file. * config/arc/elf.h: Likewise. * config/arc/linux.h: Likewise. * config/arc/t-uClibc: Remove. 2017-02-27 Bin Cheng PR tree-optimization/77536 * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function. (tree_transform_and_unroll_loop): Use above function to compute the estimated niter of unrolled loop and use it when scaling profile. Also use count info rather than frequency if it's non-zero. * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration. * tree-vect-loop.c (scale_profile_for_vect_loop): New function. (vect_transform_loop): Call above function. 2017-02-27 Richard Biener PR tree-optimization/45397 * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR. * tree-ssa-sccvn.c (valueized_wider_op): New helper. (visit_nary_op): Add pattern matching for CSEing sign-changed or truncated operations with wider ones. 2017-02-27 Richard Biener PR tree-optimization/79690 * tree-vect-stmts.c (vectorizable_store): Use vector type built from the DR with address-space. 2017-02-26 Gerald Pfeifer * doc/invoke.texi (Optimize Options): Refine the description of asan-use-after-return. 2017-02-25 Alan Modra PR rtl-optimization/79584 * lra-constraints.c (base_to_reg): Reload ad->base, the entire base, not ad->base_term, the reg within base. Remove assertion that ad->base == ad->base_term. Replace gen_int_mode using bogus mode with const0_rtx. 2017-02-25 Jakub Jelinek PR middle-end/79396 * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle FMA_EXPR like tcc_binary or tcc_unary. * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning. PR debug/77589 * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value bitfield. (size_of_loc_descr): Handle DW_OP_GNU_variable_value. (output_loc_operands): Handle DW_OP_call_ref and DW_OP_GNU_variable_value. (struct variable_value_struct): New type. (struct variable_value_hasher): Likewise. (variable_value_hash): New variable. (string_types): Remove. (copy_loc_descr): New function. (add_loc_descr_to_each): Clarify comment. Use copy_loc_descr. (prepend_loc_descr_to_each): New function. (add_loc_list): Fix comment typo. Use prepend_loc_descr_to_each instead of add_loc_descr_to_each if the first argument is single location list and the second has multiple. (resolve_args_picking_1): Handle DW_OP_GNU_variable_value. (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value when looking for variable value which doesn't have other location info. (loc_list_from_tree): Formatting fix. (gen_array_type_die): Simplify DW_AT_string_length handling. (adjust_string_types): Remove. (gen_subprogram_die): Don't call adjust_string_types nor test/set string_types. Call resolve_variable_values. (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value. (resolve_addr_in_expr): Likewise. Add A argument. (copy_deref_exprloc): Remove deref argument. Adjust for the original expression being DW_OP_GNU_variable_value with optionally DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref optionally after it. (optimize_string_length): Rework for DW_OP_GNU_variable_value. (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr callers. Set remove_AT_byte_size if removing DW_AT_string_length. (variable_value_hasher::hash, variable_value_hasher::equal): New methods. (resolve_variable_value_in_expr, resolve_variable_value, resolve_variable_values, note_variable_value_in_expr, note_variable_value): New functions. (dwarf2out_early_finish): Call note_variable_value on all toplevel DIEs. 2017-02-24 Jakub Jelinek PR c/79677 * opts.h (handle_generated_option): Add GENERATED_P argument. * opts-common.c (handle_option): Adjust function comment. (handle_generated_option): Add GENERATED_P argument, pass it to handle_option. (control_warning_option): Pass false to handle_generated_option GENERATED_P. * opts.c (maybe_default_option): Pass true to handle_generated_option GENERATED_P. * optc-gen.awk: Likewise. 2017-02-24 Segher Boessenkool * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of a REG, look at the REG it is a SUBREG of. (splitter for cmpeqsi_t): Ditto. 2017-02-24 Segher Boessenkool * config/pa/pa.c (pa_combine_instructions): Do not share RTL. Make the special USEs with the pattern of the insn, not the insn itself. 2017-02-24 Matthew Fortune PR target/79473 * doc/invoke.texi: Document -mload-store-pairs. 2017-02-24 Segher Boessenkool Sandra Loosemore * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the argument isn't a CONST_INT. (nios2_alternate_compare_const): Assert op is a CONST_INT. (nios2_valid_compare_const_p): Assert op is a CONST_INT. (nios2_validate_compare): Bypass alternate compare logic if *op2 is not a CONST_INT. (ldstwm_operation_p): Return false if first_base is not a REG or if first_offset is not a CONST_INT. 2017-02-24 Segher Boessenkool * config/cris/cris.md: Use correct operand in a define_peephole2. 2017-02-24 Segher Boessenkool * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL. 2017-02-24 Segher Boessenkool * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of this_insn if it is an INSN or JUMP_INSN. (force_offsettable): Look at base, not at addr. * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL on things that aren't necessarily CONST_INTs. 2017-02-24 Uros Bizjak * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that -mfpmath=sse is the default also for x86-32 targets with SSE2 instruction set when @option{-ffast-math} is enabled 2017-02-24 Jeff Law PR rtl-optimizatoin/79286 * ira.c (update_equiv_regs): Drop may_trap_p exception to dominance test. 2017-02-24 Richard Biener PR tree-optimization/79389 * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip debug insns. 2017-02-24 Aldy Hernandez * tree-ssa-loop-niter.c (number_of_iterations_exit): Update function comment to reflect reality. (loop_exits_before_overflow): Fix typo in function description. 2017-02-24 Richard Biener PR tree-optimization/79389 * gimple-ssa-split-paths.c (is_feasible_trace): Verify more properly that a threading opportunity exists. Detect conditional copy/constant propagation opportunities. 2017-02-23 Eric Botcazou * config/visium/visium.md (type): Add trap. (b): New mode attribute. (*btst): Rename into... (*btst): ...this and adjust. (*cbranchsi4_btst_insn): Rename into... (*cbranch4_btst_insn): ...this and adjust. (trap): New define_insn. 2017-02-23 Jakub Jelinek PR tree-optimization/79389 * ifcvt.c (struct noce_if_info): Add rev_cond field. (noce_reversed_cond_code): New function. (noce_emit_store_flag): Use rev_cond if non-NULL instead of reversed_comparison_code. Formatting fix. (noce_try_store_flag): Test rev_cond != NULL in addition to reversed_comparison_code. (noce_try_store_flag_constants): Likewise. (noce_try_store_flag_mask): Likewise. (noce_try_addcc): Use rev_cond if non-NULL instead of reversed_comparison_code. (noce_try_cmove_arith): Likewise. Formatting fixes. (noce_try_minmax, noce_try_abs): Clear rev_cond. (noce_find_if_block): Initialize rev_cond. (find_cond_trap): Call noce_get_condition with then_bb == trap_bb instead of false as last argument never attempt to reverse it afterwards. 2017-02-23 Bin Cheng PR tree-optimization/79663 * tree-predcom.c (combine_chains): Process refs in reverse order only for ZERO length chains, and add explaining comment. 2017-02-23 Jeff Law PR tree-optimization/79578 * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF in call to operand_equal_p. 2017-01-23 Dominique d'Humieres PR target/71017 * config/i386/cpuid.h: Fix another undefined behavior. 2017-02-23 Richard Biener PR tree-optimization/79683 * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite vector types for data-refs. 2017-02-23 Martin Liska * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0. 2017-02-23 Jakub Jelinek PR middle-end/79665 * internal-fn.c (get_range_pos_neg): Moved to ... * tree.c (get_range_pos_neg): ... here. No longer static. * tree.h (get_range_pos_neg): New prototype. * expr.c (expand_expr_real_2) : If both arguments are known to be in between 0 and signed maximum inclusive, try to expand both unsigned and signed divmod and use the cheaper one from those. 2017-02-22 Jeff Law PR tree-optimization/79578 * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p to compare base operands. 2017-02-22 Segher Boessenkool PR target/79211 * config/rs6000/rs6000.md (*fsel4): Use gpc_reg_operand instead of fpr_reg_operand. 2017-02-22 Sameera Deshpande * config/mips/mips.c (mips_return_in_memory): Force FP vector types to be returned in memory for o32 ABI. 2017-02-22 Jakub Jelinek * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable instead of DW_TAG_member for static data member declarations and don't set no_linkage_name for static inline data members. (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable to DW_TAG_member. 2017-02-22 Martin Liska * doc/invoke.texi: Replace inequality signs with square brackets for -Wnormalized. 2017-02-22 Matthew Fortune PR target/78660 * lra-constraints.c (simplify_operand_subreg): Handle WORD_REGISTER_OPERATIONS targets. 2017-02-22 Jakub Jelinek PR target/70465 * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F)) and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1) elimination by swapping fld*. 2017-02-22 Richard Biener PR tree-optimization/79673 * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off irrelevant address-space qualifiers and avoiding a ADDR_SPACE_CONVERT_EXPR from fold_convert. 2017-02-22 Richard Biener PR tree-optimization/79666 * tree-vrp.c (extract_range_from_binary_expr_1): Make sure to not symbolically negate if that may introduce undefined overflow. 2017-02-22 Martin Liska PR lto/79587 * data-streamer-in.c (streamer_read_gcov_count): Remove assert. * data-streamer-out.c (streamer_write_gcov_count_stream): Likewise. * value-prof.c (stream_out_histogram_value): Make assert more precise based on type of counter. 2017-02-21 Uros Bizjak PR target/79593 * config/i386/i386.md (standard_x87sse_constant_load splitter): Use nonimmediate_operand instead of memory_operand for operand 1. (float-extend standard_x87sse_constant_load splitter): Ditto. 2017-02-21 Jeff Law PR tree-optimization/79621 * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore blocks with edges to themselves. 2017-02-21 Jakub Jelinek PR target/79633 * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use is_gimple_call instead of comparing gimple_code with GIMPLE_CALL. Use gimple_call_builtin_p. PR target/79570 * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head on temporarily removed DEBUG_INSNs. PR tree-optimization/79649 * tree-loop-distribution.c (classify_partition): Give up on non-generic address space loads/stores. 2017-02-21 Aldy Hernandez * doc/loop.texi (Loop manipulation): Remove nonexistent tree_ssa_loop_version from the documentation. * cfgloopmanip.c (loop_version): Document CONDITION_BB argument. 2017-02-21 Jakub Jelinek PR target/79494 * config/i386/i386.c (ix86_expand_split_stack_prologue): Call make_reg_eh_region_note_nothrow_nononlocal on call_insn. * config/rs6000/rs6000.c: Include except.h. (rs6000_expand_split_stack_prologue): Call make_reg_eh_region_note_nothrow_nononlocal on the call insn. 2017-02-21 Martin Jambor PR lto/79579 * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges have been analyzed. 2017-02-21 Martin Jambor * common.opt (-fipa-cp-alignment): Mark as ignored and preserved for backward compatibility only. * doc/invoke.texi (Option Summary): Remove all references to -fipa-cp-alignment. 2017-02-21 Matthew Fortune PR target/78660 Revert: 2017-02-20 Matthew Fortune * lra-constraints.c (curr_insn_transform): Handle WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs. 2017-02-21 Martin Liska * config/i386/i386.opt: Replace -masm-dialect with -masm. 2017-02-21 Thomas Schwinge PR translation/79638 * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y". 2017-02-21 Eric Botcazou PR ada/67205 * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define. (arm_function_ok_for_sibcall): Return false for an indirect call by descriptor if all the argument registers are used. (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the alignment of the function. 2017-02-21 Jakub Jelinek PR tree-optimization/61441 * simplify-rtx.c (simplify_const_unary_operation): For -fsignaling-nans and sNaN operand, return NULL_RTX rather than the sNaN unmodified. 2017-02-20 Bernd Edlinger * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe. (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR instead of SYSTEM_HEADER_DIR. 2017-02-20 Gerald Pfeifer Martin Liška * doc/invoke.texi (use-after-scope-direct-emission-threshold): Fix typos and grammar, use active voice, and clarify. 2017-02-20 Marek Polacek PR middle-end/79537 * gimplify.c (gimplify_expr): Handle unused *&&L;. PR sanitizer/79558 * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null. 2017-02-20 Jakub Jelinek PR target/79568 * config/i386/i386.c (ix86_expand_builtin): Handle OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in ix86_builtins_isa[fcode].isa as a requirement of those flags and any other flag in the bitmask. (ix86_init_mmx_sse_builtins): Use 0 instead of ~OPTION_MASK_ISA_64BIT as mask. * config/i386/i386-builtin.def (__builtin_ia32_rdtsc, __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi, __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise. 2017-02-20 Matthew Fortune PR target/78012 * lra-constraints.c (split_reg): Check requested split mode is supported by the register. 2017-02-20 Matthew Fortune * lra-constraints.c (simplify_operand_subreg): Remove early return false. 2017-02-20 Matthew Fortune PR target/78660 * lra-constraints.c (curr_insn_transform): Tighten condition for converting SUBREG reloads from OP_OUT to OP_INOUT. 2017-02-20 Matthew Fortune PR target/78660 * lra-constraints.c (curr_insn_transform): Handle WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs. 2017-02-19 Uros Bizjak Revert: 2016-05-30 Uros Bizjak * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)". 2017-02-19 Jonathan Wakely PR c++/69523 * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update description. 2017-02-19 Prathamesh Kulkarni * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format for FMA_EXPR. 2017-02-18 Jakub Jelinek * final.c (last_columnnum, override_columnnum): New variables. (final_start_function): Set last_columnnum, pass it to begin_prologue hook and pass 0 to dwarf2out_begin_prologue. (final_scan_insn): Update override_columnnum. Pass last_columnnum to source_line debug hook. (notice_source_line): Compute last_columnnum and for debug_column_info return true on column changes. * debug.h (struct gcc_debug_hooks): Add column argument to source_line and begin_prologue hooks. (debug_nothing_int_charstar_int_bool): Remove prototype. (debug_nothing_int_int_charstar, debug_nothing_int_int_charstar_int_bool): New prototypes. (dwarf2out_begin_prologue): Add column argument. * debug.c (do_nothing_debug_hooks): Adjust source_line and begin_prologue hooks. (debug_nothing_int_charstar_int_bool): Remove. (debug_nothing_int_int_charstar, debug_nothing_int_int_charstar_int_bool): New functions. * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it through to dwarf2out_source_line. (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook. (dwarf2out_source_line): Add column argument, emit it if requested. * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column arguments. * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise. * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise. * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it through to dwarf2out_begin_prologue. (vmsdbgout_source_line): Add column argument, pass it through to dwarf2out_source_line. * dbxout.c (dbxout_begin_prologue): Add column argument, adjust dbxout_source_line caller. (dbxout_source_line): Add column argument. * common.opt (gno-column-info, gcolumn-info): New options. * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix. (check_die): Also test for multiple DW_AT_decl_column attributes. (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add DW_AT_decl_column if requested. (gen_subprogram_die): Compare and/or add also DW_AT_decl_column if requested. (gen_variable_die): Likewise. (add_call_src_coords_attributes): Add DW_AT_call_column if requested. * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document. PR target/79569 * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report. * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define. (ix86_handle_option): Handle OPT_m3dnowa. * doc/invoke.texi (-m3dnowa): Document. * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use -m3dnowa instead of -m3dnow -march=athlon. PR target/79559 * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage instead of gcc_assert for K, r and R code checks. Formatting fixes. 2017-02-17 Bill Schmidt PR target/79261 * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be. * config/rs6000/rs6000.md (reload_gpr_from_vsx): Call generator for vsx_xxpermdi__be. * config/rs6000/vsx.md (vsx_xxpermdi_): Remove logic to force big-endian semantics. (vsx_xxpermdi__be): New define_expand with same implementation as previous version of vsx_xxpermdi_. 2017-02-17 Jakub Jelinek PR tree-optimization/79327 * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust variable, its initialization and use. 2017-02-17 Julia Koval * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New. (OPTION_MASK_ISA_PKU_UNSET): New. (ix86_handle_option): Handle -mrdpid. * config/i386/cpuid.h (bit_RDPID): New. * config/i386/driver-i386.c (host_detect_local_cpu): Detect RDPID feature. * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New. * config/i386/i386-c.c (ix86_target_macros_internal): Handle RDPID flag. * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts. (ix86_valid_target_attribute_inner_p): Add "rdpid". (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID. * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New. * config/i386/i386.md (define_insn "rdpid"): New. * config/i386/i386.opt Add -mrdpid. * config/i386/immintrin.h (_rdpid_u32): New. 2017-02-17 Vladimir Makarov PR rtl-optimization/79541 * lra-constraints.c (curr_insn_transform): Remove wrong asm insn instead of transforming it into USE. 2017-02-17 Segher Boessenkool * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments. If HONOR_SNANS (SFmode) force the input to a register. (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition. (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates an frsp or similar insn. 2017-02-17 Martin Liska PR rtl-optimization/79577 * params.def (selsched-max-sched-times): Increase minimum to 1. 2017-02-17 Martin Liska PR rtl-optimization/79574 * gcse.c (want_to_gcse_p): Prevent integer overflow. 2017-02-17 Martin Liska PR tree-optimization/79529 * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use ssa_defined_default_def_p to handle cases which are implicitly defined. * tree-ssa.c (ssa_defined_default_def_p): New function. (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases which are implicitly defined. * tree-ssa.h (ssa_defined_default_def_p): Declare. 2017-02-17 Richard Biener PR middle-end/79576 * params.def (max-ssa-name-query-depth): Limit to 10. 2017-02-17 Richard Biener PR tree-optimization/79552 * tree-ssa-structalias.c (visit_loadstore): Properly verify default defs. 2017-02-17 Richard Biener PR bootstrap/79567 * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2. 2017-02-17 Marek Polacek PR middle-end/79536 * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr. (fold_negate_expr): New wrapper. 2017-02-16 Sandra Loosemore * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: Correct terminology and de-emphasize pre-standard behavior. 2017-02-16 Alan Modra PR rtl-optimization/79286 * ira.c (def_dominates_uses): New function. (update_equiv_regs): Don't create an equivalence for insns that may trap where the register def does not dominate the use. 2017-02-16 Vladimir Makarov PR rtl-optimization/78127 * lra.c (lra): Call lra_eliminate before finish the loop after lra_constraint. 2017-02-16 Richard Biener * graphite.h: Do not include isl/isl_val_gmp.h, instead include isl/isl_val.h. * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove. (gcc_expression_from_isl_expr_int): Use generic isl_val interface. * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h. (isl_val_int_from_wi): New function. (extract_affine_gmp): Rename to ... (extract_affine_wi): ... this, take a widest_int. (extract_affine_int): Just wrap extract_affine_wi. (add_param_constraints): Use isl_val_int_from_wi. (add_loop_constraints): Likewise, and extract_affine_wi. 2017-02-15 Jeff Law PR middle-end/79521 * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling ira_init_register_move_cost_if_necessary. 2017-02-15 Martin Sebor PR middle-end/32003 * doc/invoke.texi (-fdump-final-insns): Replace option accidentally removed in a prior commit. 2017-02-15 Bin Cheng PR tree-optimization/79347 * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile counters during peeling. 2017-02-15 Thomas Schwinge * Makefile.in (site.exp): Remove "set ISLVER". 2017-02-15 Jakub Jelinek PR target/79487 * real.c (real_from_integer): Call real_convert even for decimal. 2017-02-15 Dominik Vogt PR target/79421 * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS. 2017-02-14 Andrew Pinski * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C" cores and change the partno/implementer to be correct. (thunderx2t99p1): New core which replaces thunderx2t99 and still has the 'B" as the implementer. * config/aarch64/aarch64-tune.md: Regenerate. 2017-02-14 Carl Love * config/rs6000/rs6000.c: Add case statement entry to make the xvcvuxdsp built-in argument unsigned. * config/rs6000/vsx.md: Fix the source and return operand types so they match the instruction definitions from the ISA document. Fix typo in the instruction generation for the (define_insn "vsx_xvcvuxdsp" statement. 2017-02-14 Vladimir Makarov PR target/79282 * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add member early_clobber_alts. * lra-lives.c (reg_early_clobber_p): New. (process_bb_lives): Use it. * lra.c (new_insn_reg): New arg early_clobber_alts. Use it. (debug_operand_data): Initialize early_clobber_alts. (setup_operand_alternative): Set up early_clobber_alts. (collect_non_operand_hard_regs): Ditto. Pass early clobber alternatives to new_insn_reg. (add_regs_to_insn_regno_info): Add arg early_clobber_alts. Use it. (lra_update_insn_regno_info): Pass the new arg. 2017-02-14 Jakub Jelinek PR middle-end/79505 * omp-offload.c (free_oacc_loop): Release loop->ifns vector. (new_oacc_loop_raw): Don't clear already cleared fields. PR target/79481 * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd, _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd, _mm512_prefetch_i64gather_ps): New inline functions and macros. 2017-02-14 Uros Bizjak PR target/79495 * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative. 2017-02-14 H.J. Lu PR target/79498 * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert the extra instruction to the right place to store 128-bit constant when needed. 2017-02-14 Martin Sebor PR middle-end/79448 * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX warning for strings of unknown length. 2017-02-13 Segher Boessenkool * config.gcc (supported_defaults) [powerpc*-*-*]: Update. 2017-02-14 Jeff Law PR target/79404 * ira-costs.c (scan_one_insn): Initialize register move costs for pseudos seen in USE/CLOBBER insns. PR tree-optimization/79095 * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR, if the numerator has the range ~[0,0] make the resultant range ~[0,0]. (extract_range_from_binary_expr): For MINUS_EXPR with no derived range, if the operands are known to be not equal, then the resulting range is ~[0,0]. (intersect_ranges): If the new range is ~[0,0] and the old range is wide, then prefer ~[0,0]. * tree-vrp.c (overflow_comparison_p_1): New function. (overflow_comparison_p): New function. * tree-vrp.c (register_edge_assert_for_2): Register additional asserts if NAME is used in an overflow test. (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an overflow check that can be expressed as an equality test, then adjust ops to be that equality test. 2017-02-14 Andreas Krebbel * config/s390/s390-builtin-types.def: Remove flags argument. * config/s390/s390.c (s390_init_builtins): Likewise. 2017-02-14 Martin Liska * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body vector. Fix trailing white spaces. 2017-02-14 James Greenhalgh * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle HFmode. 2017-02-14 Kyrylo Tkachov PR rtl-optimization/68664 * config/arm/arm.c (arm_sched_can_speculate_insn): New function. Declare prototype. (TARGET_SCHED_CAN_SPECULATE_INSN): Define. 2017-02-14 Kyrylo Tkachov PR rtl-optimization/68664 * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn): New function. (TARGET_SCHED_CAN_SPECULATE_INSN): Define. 2017-02-14 Amit Pawar * config/i386/i386.c (znver1_cost): Fix the alignment for function and max skip bytes for function, loop and jump. 2017-02-14 Prathamesh Kulkarni * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for ABS_EXPR for gimple dump. 2017-02-14 Jakub Jelinek PR target/79462 * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4]. PR tree-optimization/79408 * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the case when on TRUNC_MOD_EXPR op0 is INTEGER_CST. (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges also if rhs1 is INTEGER_CST. 2017-02-14 Richard Biener PR middle-end/79432 * tree-into-ssa.c (insert_phi_nodes): When the function can have abnormal edges rewrite SSA names with broken use-def dominance out of SSA and register them for PHI insertion. 2017-02-13 Martin Sebor PR middle-end/79496 * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid clearing info.nowrite flag when snprintf size argument is a range. 2017-02-13 Jakub Jelinek * cprop.c (cprop_jump): Add missing space in string literal. * tree-ssa-structalias.c (rewrite_constraints): Likewise. (get_constraint_for_component_ref): Likewise. * df-core.c (df_worklist_dataflow_doublequeue): Likewise. * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise. * lra-constraints.c (process_alt_operands): Likewise. * ipa-inline.c (inline_small_functions): Likewise. * tree-ssa-sccvn.c (visit_reference_op_store): Likewise. * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise. * trans-mem.c (diagnose_tm_1_op): Likewise. * omp-grid.c (grid_find_single_omp_among_assignments): Likewise. (grid_parallel_clauses_gridifiable): Likewise. * config/nvptx/mkoffload.c (process): Add space in between , and %d. * config/i386/i386.h (REG_CLASS_NAMES): Add , in between "MOD4_SSE_REGS" and "ALL_REGS". * spellcheck.c (test_data): Add , in between "foo" and "food". 2017-02-13 Aaron Sawdey PR target/79449 * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime boundary crossing check and subsequent code generation agree. 2017-02-13 Kyrylo Tkachov * config/aarch64/aarch64.c (has_memory_op): Delete. (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of has_memory_op. 2017-02-13 Jakub Jelinek PR rtl-optimization/79388 PR rtl-optimization/79450 * combine.c (distribute_notes): When removing TEM_INSN for which corresponding dest has last value recorded, invalidate that last value. 2017-02-13 Kyrylo Tkachov * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead of explicit '@'. Add missing assembly comment marker on branch costs printout. 2017-02-13 Nathan Sidwell * gengtype-lex.l (): Add '/'. 2017-02-13 Martin Liska PR c/79471 * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC. 2017-02-13 Richard Biener * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS): Remove. * configure: Re-generate. * config.in: Likewise. * graphite-dependences.c: Simplify as if HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined. * graphite-isl-ast-to-gimple.c: Likewise. * graphite-optimize-isl.c: Likewise. * graphite-poly.c: Likewise. * graphite-sese-to-poly.c: Likewise. * graphite.h: Likewise. * toplev.c: Include isl/version.h and use isl_version () for printing the ISL version. * doc/install.texi: Update ISL requirement. 2017-02-12 Gerald Pfeifer * doc/standards.texi (Standards): Update reference to Objective-C 2.0. 2017-02-12 Gerald Pfeifer * doc/extend.texi (Named Address Spaces): sourceware.org now defaults to https. * doc/install.texi (Binaries): Ditto. (Specific): Ditto. 2017-02-11 Sandra Loosemore * doc/cpp.texi: Replace "stringify"/"stringification" with C standard terminology "stringize"/"stringizing" throughout. * doc/cppinternals.texi: Likewise. 2017-02-11 Sandra Loosemore * doc/extend.texi: Fix some spelling mistakes and typos. * doc/invoke.texi: Likewise. 2017-02-11 Jan Hubicka PR ipa/79224 * params.def (inline-min-speedup) Change from 10 to 8. 2017-02-11 Jakub Jelinek * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to 4.5. 2017-02-11 Jan Hubicka PR ipa/79224 * ipa-inline-analysis.c (get_minimal_bb): New function. (record_modified): Use it. (remap_edge_change_prob): Handle also ancestor functions. 2017-02-11 Gerald Pfeifer * doc/contrib.texi (Contributors): Remove broken link into the Mauve CVS repository. 2017-02-11 Jakub Jelinek PR middle-end/79454 * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise result computation whenever lhs doesn't have vector mode, not just when it has BLKmode. 2017-02-10 Gerald Pfeifer * doc/makefile.texi (profiledbootstrap): Refer to the installation instructions only in textual form. 2017-02-10 Aaron Sawdey PR target/79295 * config/rs6000/altivec.md (bcd): Fix constraints. 2017-02-10 Gerald Pfeifer * doc/install.texi (Specific): Use https for blackfin.uclinux.org. (Specific): Update mingw-w64 reference. (Binaries): Ditto. (Specific): Remove broken link to Renesas RX processor. 2017-02-10 Richard Biener * toplev.c (process_options): Do not mention obsolete graphite options when printing sorry message about missing graphite support. Mention -floop-nest-optimize. 2017-02-10 Christophe Lyon * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm. (vtst_p16): Likewise. (vtstq_p8): Likewise. (vtstq_p16): Likewise. (vtst_p64): New. (vtstq_p64): Likewise. * config/arm/arm_neon.h (vgetq_lane_p64): New. (vset_lane_p64): New. (vsetq_lane_p64): New. 2017-02-10 Jakub Jelinek PR tree-optimization/79411 * tree-ssa-reassoc.c (is_reassociable_op): Return false if stmt operands are SSA_NAMEs used in abnormal phis. (can_reassociate_p): Return false if op is SSA_NAME used in abnormal phis. 2017-02-09 Jan Hubicka PR ipa/70795 * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible flag if needed. 2017-02-09 Jan Hubicka * tree-ssa-loop-unswitch.c (hoist_guard): Update profile. 2017-02-09 Jakub Jelinek * omp-offload.c (oacc_loop_auto_partitions): Use || instead of | to avoid warning. PR c/79413 * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants, not arbitrary TREE_CONSTANT. PR c/79431 * gimplify.c (gimplify_adjust_omp_clauses): Ignore "omp declare target link" attribute unless is_global_var. * omp-offload.c (find_link_var_op): Likewise. 2017-02-09 Nathan Sidwell Chung-Lin Tang * gimplify.c (gimplify_scan_omp_clauses): No special handling for OMP_CLAUSE_TILE. (gimplify_adjust_omp_clauses): Don't delete TILE. (gimplify_omp_for): Deal with TILE. * internal-fn.c (expand_GOACC_TILE): New function. * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative. (GOACC_TILE): New. * omp-expand.c (struct oacc_collapse): Add tile and outer fields. (expand_oacc_collapse_init): Add LOC paramter. Initialize tile element fields. (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling, avoid DIV for outermost collapse var. (expand_oacc_for): Insert tile element loop as needed. Adjust. Remove out of date comments, fix whitespace. * omp-general.c (omp_extract_for_data): Deal with tiling. * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag, adjust OLF_DIM_BASE value. (struct omp_for_data): Add tiling field. * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE. (lower_oacc_head_mark): Add OLF_TILE as appropriate. Ensure 2 levels for auto loops. Remove default auto determining, moved to oacc_loop_fixed_partitions. * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call stmts, add e_mask field. (oacc_dim_call): New function, abstracted out from oacc_thread_numbers. (oacc_thread_numbers): Use oacc_dim_call. (oacc_xform_tile): New. (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector. (finish_oacc_loop): Adjust for ifns vector. (oacc_loop_discover_walk): Append loop abstraction sites to list, add case for GOACC_TILE fns. (oacc_loop_xform_loop): Delete. (oacc_loop_process): Iterate over call list directly, and add handling for GOACC_TILE fns. (oacc_loop_fixed_partitions): Determine default auto, deal with TILE, dump partitioning. (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but vector partitioning to outer loops. Assign 2 partitions to loops when available. Add TILE handling. (oacc_loop_partition): Adjust oacc_loop_auto_partitions call. (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs. * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE. * tree.c (omp_clause_num_ops): Adjust TILE ops. * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New. 2017-02-09 Gerald Pfeifer * configure.ac (ACX_BUGURL): Update. * configure: Regenerate. 2017-02-09 Richard Biener PR tree-optimization/69823 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region): Properly enumerate all BBs in the region. Use auto_vec/auto_bitmap. 2017-02-09 Andrew Burgess * config/arc/arc-c.def: Add __NPS400__ definition. * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here. (TARGET_NPS400): Define. 2017-02-09 Andrew Burgess * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in file. (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t pointer, arch_info. (arc_cpu_types): Fill the arch_info field with a pointer into the arc_arch_types table. (arc_selected_cpu): Declare. * config/arc/arc.c (arc_selected_cpu): Make global. (arc_selected_arch): Delete. (arc_base_cpu): Delete. (arc_override_options): Remove references to deleted variables, update access to arch information. (ARC_OPT): Update access to arch information. (ARC_OPTX): Likewise. * config/arc/arc.h (arc_base_cpu): Remove declaration. (TARGET_ARC600): Update access to arch information. (TARGET_ARC601): Likewise. (TARGET_ARC700): Likewise. (TARGET_EM): Likewise. (TARGET_HS): Likewise. * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch information. 2017-02-08 Pat Haugen PR target/78604 * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert condition/operands for integer GE/LE/GEU/LEU operations. 2017-02-08 Segher Boessenkool PR translation/79397 * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling of AltiVec. 2017-02-08 Martin Jambor PR ipa/79375 * ipa-prop.c (ipa_alloc_node_params): Make static, return bool whether allocation happened. (ipa_initialize_node_params): Do not call ipa_alloc_node_params if nothing was allocated. 2017-02-08 Jakub Jelinek PR tree-optimization/79408 * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not constant, but SSA_NAME with a known integer range, use the minimum of that range instead of op1 to determine if modulo can be replaced with its first operand. 2016-02-08 Kyrylo Tkachov * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX. 2017-02-08 Richard Biener PR tree-optimization/71824 * graphite-scop-detection.c (scop_detection::build_scop_breadth): Check all loops contained in the merged region. 2017-02-07 Andrew Pinski * config/aarch64/aarch64.md (popcount2): New pattern. 2017-02-07 Andrew Pinski * config/aarch64/aarch64-cores.def (thunderx): Disable LSE. (thunderxt88): Likewise. (thunderxt81): Disable LSE and change v8.1 to v8. (thunderxt83): Likewise. 2017-02-07 Jakub Jelinek Richard Biener PR middle-end/79399 * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size type from int to size_t. * ira-costs.c (struct_costs_size): Change type from int to size_t. 2017-02-07 Jakub Jelinek PR rtl-optimization/79386 * cprop.c (bypass_conditional_jumps): Initialize bypass_last_basic_block already before splitting bbs after unconditional traps... (bypass_conditional_jumps): ... rather than here. PR target/79299 * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs. (*avx512f_gathersi, *avx512f_gathersi_2, *avx512f_gatherdi, *avx512f_gatherdi_2): Use them, fix -masm=intel patterns. 2017-02-07 Richard Biener PR tree-optimization/79256 PR middle-end/79278 * builtins.c (get_object_alignment_2): Use min_align_of_type to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN. * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional type parameter. * doc/tm.texi: Regenerate. * stor-layout.c (layout_decl): Adjust. (update_alignment_for_field): Likewise. (place_field): Likewise. (min_align_of_type): Likewise. * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust. * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise. * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise. * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise. * config/frv/frv.c (frv_adjust_field_align): Likewise. * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise. * config/i386/i386.c (x86_field_alignment): Likewise. * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p): Likewise. Revert 2017-01-30 Richard Biener PR tree-optimization/79256 * targhooks.c (default_builtin_vector_alignment_reachable): Honor BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus alignment on TYPE. 2017-02-07 Toma Tabacu * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw builtins to SImode and emit a zero-extend, if necessary. 2017-02-06 Palmer Dabbelt * docs/invoke.texi (RISC-V Options): Alphabetize. 2017-02-06 Palmer Dabbelt * doc/invoke.texi (RISC-V Options): Use two spaces to separate options. 2017-02-06 Palmer Dabbelt * config/riscv/riscv.c: New file. * gcc/common/config/riscv/riscv-common.c: Likewise. * config.gcc: Likewise. * config/riscv/constraints.md: Likewise. * config/riscv/elf.h: Likewise. * config/riscv/generic.md: Likewise. * config/riscv/linux.h: Likewise. * config/riscv/multilib-generator: Likewise. * config/riscv/peephole.md: Likewise. * config/riscv/pic.md: Likewise. * config/riscv/predicates.md: Likewise. * config/riscv/riscv-builtins.c: Likewise. * config/riscv/riscv-c.c: Likewise. * config/riscv/riscv-ftypes.def: Likewise. * config/riscv/riscv-modes.def: Likewise. * config/riscv/riscv-opts.h: Likewise. * config/riscv/riscv-protos.h: Likewise. * config/riscv/riscv.h: Likewise. * config/riscv/riscv.md: Likewise. * config/riscv/riscv.opt: Likewise. * config/riscv/sync.md: Likewise. * config/riscv/t-elf-multilib: Likewise. * config/riscv/t-linux: Likewise. * config/riscv/t-linux-multilib: Likewise. * config/riscv/t-riscv: Likewise. * configure.ac: Likewise. * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew Waterman as RISC-V maintainers. * doc/install.texi: Add RISC-V entries. * doc/invoke.texi: Add RISC-V options section. * doc/md.texi: Add RISC-V constraints section. * configure: Regenerated. 2017-02-06 Michael Meissner PR target/66144 * config/rs6000/vector.md (vcond): Allow the true and false values to be constant vectors with all 0 or all 1 bits set. (vcondu): Likewise. * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New predicate. (fpmask_comparison_operator): Update comment. (vecint_comparison_operator): New predicate. * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize vector conditionals when the true and false values are constant vectors with all 0 bits or all 1 bits set. 2017-02-06 Martin Sebor PR tree-optimization/79376 * gimple-fold.c (get_range_strlen): Set the minimum length to zero. 2017-02-06 Uros Bizjak * config/i386/sse.md (vector modes -> vec_extract* splitter): Use explicit subreg RTX with operand 1. Use VECTOR_MODE_P predicate to simplify split condition. 2017-02-06 Jakub Jelinek * omp-expand.c (oxpand_omp_atomic_fetch_op, expand_omp_atomic_pipeline): Return false if can_atomic_load_p is false. 2017-02-06 Segher Boessenkool PR rtl-optimization/68664 * target.def (can_speculate_insn): New hook. * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook. * doc/tm.texi: Regenerate. * sched-rgn.c (can_schedule_ready_p): Use the new hook. * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro. (rs6000_sched_can_speculate_insn): New function. 2017-02-06 Jakub Jelinek PR tree-optimization/79284 * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define. * tree-vect-stmts.c (vect_get_vec_def_for_operand, vectorizable_mask_load_store, vectorizable_operation, vect_is_simple_cond, get_same_sized_vectype): Use it instead of comparing TREE_CODE of a type against BOOLEAN_TYPE. * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1, vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_get_constant_vectors): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after is_gimple_assign (stmt). Replace another such test with is_gimple_assign (stmt). 2017-02-06 Georg-Johann Lay PR target/78883 * config/avr/avr.c (rtl-iter.h): Include it. (TARGET_LEGITIMATE_COMBINED_INSN): New hook define... (avr_legitimate_combined_insn): ...and implementation. 2017-02-06 Dominik Vogt * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h. * config/s390/s390.c (s390_const_operand_ok) (s390_canonicalize_comparison, s390_extract_part) (s390_single_part, s390_contiguous_bitmask_nowrap_p) (s390_contiguous_bitmask_p, s390_rtx_costs) (legitimize_pic_address): Likewise. * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise. * config/s390/vx-builtins.md ("vec_genbytemaskv16qi") ("vec_permi", "vfae", "*vfaes", "vstrc") ("*vstrcs"): Use UINTVAL() to set unsigned HOST_WIDE_INT. * config/s390/vector.md ("vec_vfenes"): Likewise. 2017-02-06 Georg-Johann Lay * config/avr/avr.md (*addhi3_zero_extend): Add alternative where REGNO($0) == REGNO($1). 2017-02-06 Andreas Krebbel * config/s390/linux.h(SIZE_TYPE): Add comment. 2017-02-06 Julian Brown Naveen H.S Virendra Pathak * config/aarch64/aarch64-cores.def: Change the scheduler to Thunderx2t99. * config/aarch64/aarch64.md: Include thunderx2t99.md. * config/aarch64/thunderx2t99.md: New file. 2017-02-05 Gerald Pfeifer * doc/standards.texi (Go Language): Update link to language standard. 2017-02-05 Jan Hubicka * tree-eh.c (lower_resx): Sanitize profile. (cleanup_empty_eh_move_lp): Likewise. 2017-02-05 Jan Hubicka PR tree-ssa/79347 * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add ELSE_PROB. * cfgloopmanip.h (loop_version): Update prototype. * modulo-sched.c (sms_schedule): Update call of loop_version. * tree-if-conv.c(version_loop_for_if_conversion): Likewise. * tree-parloops.c (gen_parallel_loop): Likewise. * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise. * tree-ssa-loop-split.c (split_loop): Likewise. * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise. * tree-vect-loop-manip.c (vect_loop_versioning): Likewise. 2017-02-05 Martin Liska PR bootstrap/78985 * config/s390/s390.c (s390_gimplify_va_arg): Initialize local variable to NULL. (print_operand_address): Initialize a struct to zero. 2017-02-05 Gerald Pfeifer * doc/contrib.texi (Contributors): Refer to Hans Boehm's garbage collector only in textual form. 2017-02-05 Gerald Pfeifer * doc/extend.texi (x86 specific memory model extensions for transactional memory): Simplify a phrase. 2017-02-05 Eric Botcazou PR target/79353 * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with 'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32. (atomic_storedi_1): Likewise. 2017-02-04 Jakub Jelinek PR tree-optimization/79338 * tree-parloops.c (gather_scalar_reductions): Don't call vect_analyze_loop_form for loop->inner before destroying loop's loop_vinfo. 2017-02-03 Martin Sebor PR tree-optimization/79327 * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix when precision has resulted in leading zeros. (format_integer): Adjust the likely counter to assume an unknown argument that may be zero is non-zero. 2017-02-03 Jason Merrill PR c++/78689 * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to avoid copying non-taken branch. 2017-02-03 Jakub Jelinek PR tree-optimization/79340 * tree-vect-loop.c (vectorizable_reduction): Release vec_defs elements after safe_splicing them into other vectors. Formatting fixes. PR tree-optimization/79327 * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of dirtype. (format_integer): Use wide_int_to_tree instead of build_int_cst + to_?hwi. If argmin is NULL, just set argmin and argmax to TYPE_{MIN,MAX}_VALUE of argtype. Simplify and fix computation of shortest and longest sequence. 2017-02-03 Uros Bizjak * config/i386/i386.c (dimode_scalar_chain::convert_reg): Use pextrd for TARGET_SSE4_1 when creating scalar copy. 2017-02-03 Walter Lee PR target/78862 * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage after initial stackframe link reg save. * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise. 2017-02-03 Jakub Jelinek PR target/79354 * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of wu for stxssp alternative. 2017-02-03 Martin Sebor PR tree-optimization/79352 * gimple-fold.c (get_range_strlen): Add argument. (get_range_strlen): Change return type to bool. (get_maxval_strlen): Pass in a dummy argument. * gimple-fold.h (get_range_strlen): Change return type to bool. * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter. * tree.h (array_at_struct_end_p): Add argument. * tree.c (array_at_struct_end_p): Handle it. 2017-02-03 Martin Liska PR lto/66295 * multiple_target.c (create_dispatcher_calls): Redirect edge from a caller of a dispatcher. (expand_target_clones): Make the clones local. (ipa_target_clone): Do both target clones and resolvers. (ipa_dispatcher_calls): Remove the pass. (pass_dispatcher_calls::gate): Likewise. (make_pass_dispatcher_calls): Likewise. * passes.def (pass_target_clone): Put as very first IPA early pass. 2017-02-03 Martin Liska * symtab.c (symtab_node::binds_to_current_def_p): Bail out in case of a function with ifunc attribute. 2017-02-03 Martin Liska * cgraph.c (cgraph_node::dump): Dump function version info. * symtab.c (symtab_node::dump_base): Add missing new line. 2017-02-02 Jan Hubicka * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function. (ifcombine_ifandif): Use it. 2017-02-03 Martin Liska * doc/invoke.texi: Document default value for use-after-scope-direct-emission-threshold. 2017-02-03 Martin Liska PR tree-optimization/79339 * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear. (format_floating): Likewise. 2017-02-03 Martin Liska PR ipa/79337 * ipa-prop.c (ipa_node_params_t::insert): Remove current implementation. (ipa_node_params_t::remove): Likewise. * ipa-prop.h (ipa_node_params::ipa_node_params): Make default initialization from removed ipa_node_params_t::insert. (ipa_node_params::~ipa_node_params): Move from removed ipa_node_params_t::release. * symbol-summary.h (symbol_summary::m_released): New member. Do not release a summary twice. Do not allow to call finalizer for types of a summary that live in GGC memory. 2017-02-02 Naveen H.S * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and cmp_branch fusion. 2017-02-02 Martin Sebor PR middle-end/79275 * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero. (format_string): Tighten up the range of output for non-constant strings and correct the expected range for wide non-constant strings. 2017-02-02 Martin Sebor * doc/invoke.texi (-maccumulate-args): Fix bad grammar. PR middle-end/32003 * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from index. (-fdump-tree-@var): Add to index and document how to come up with pass-specific option and dump file names. (-fdump-passes): Clarify where to look for output. 2017-02-02 Jan Hubicka PR middle-end/77445 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump statistics of the analyzed path; allow threading for speed when any of BBs along the path are optimized for speed. 2017-02-02 Eric Botcazou PR middle-end/78468 * emit-rtl.c (init_emit): Add ??? comment for problematic alignment settings of the virtual registers. Revert again 2016-08-23 Dominik Vogt * explow.c (get_dynamic_stack_size): Take known alignment of stack pointer + STACK_DYNAMIC_OFFSET into account when calculating the size needed. 2017-02-02 Andreas Krebbel * config/s390/vx-builtins.md ("vec_ceil", "vec_floor") ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders. 2017-02-02 Andreas Krebbel * config/s390/s390.md: Add missing comments with the expanded mnemonics. * config/s390/vector.md: Likewise. * config/s390/vx-builtins.md: Likewise. 2017-02-02 Jakub Jelinek PR target/79197 * config/rs6000/rs6000.md (*fixuns_truncdi2_fctiduz): Rename to ... (fixuns_truncdi2): ... this, remove previous expander. Put all conditions on a single line. 2017-02-02 Andreas Krebbel * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename __S390_VX__ to __VX__. 2017-02-01 Andrew Pinski * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass stmt_info to record_stmt_cost. (vect_get_known_peeling_cost): Pass stmt_info if known to record_stmt_cost. * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split cpu_vector_cost field into scalar_int_stmt_cost and scalar_fp_stmt_cost. Split vec_stmt_cost field into vec_int_stmt_cost and vec_fp_stmt_cost. * config/aarch64/aarch64.c (generic_vector_cost): Update for the splitting of scalar_stmt_cost and vec_stmt_cost. (thunderx_vector_cost): Likewise. (cortexa57_vector_cost): LIkewise. (exynosm1_vector_cost): Likewise. (xgene1_vector_cost): Likewise. (thunderx2t99_vector_cost): Improve after the splitting of the two fields. (aarch64_builtin_vectorization_cost): Update for the splitting of scalar_stmt_cost and vec_stmt_cost. 2017-02-01 Torvald Riegel Richard Henderson * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free" conditional on existance of a fast atomic load. * optabs-query.c (can_atomic_load_p): New function. * optabs-query.h (can_atomic_load_p): Declare it. * optabs.c (expand_atomic_exchange): Always delegate to libatomic if no fast atomic load is available for the particular size of access. (expand_atomic_compare_and_swap): Likewise. (expand_atomic_load): Likewise. (expand_atomic_store): Likewise. (expand_atomic_fetch_op): Likewise. * testsuite/lib/target-supports.exp (check_effective_target_sync_int_128): Remove x86 because it provides no fast atomic load. (check_effective_target_sync_int_128_runtime): Likewise. 2017-02-01 Richard Biener * graphite.c: Include tree-vectorizer.h for find_loop_location. (graphite_transform_loops): Provide opt-info for optimized nests. * tree-parloop.c (parallelize_loops): Provide opt-info for parallelized loops. 2017-02-01 Richard Biener PR middle-end/79315 * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it was not set before. 2017-02-01 Richard Biener PR tree-optimization/71824 * graphite-scop-detection.c (scop_detection::build_scop_breadth): Verify the loops are valid in the merged SESE region. (scop_detection::can_represent_loop_1): Check analyzing the evolution of the number of iterations in the region succeeds. 2017-01-31 Ian Lance Taylor * config/i386/i386.c (ix86_expand_split_stack_prologue): Add REG_ARGS_SIZE note to 32-bit push insns and call insn. 2017-01-31 David Malcolm PR preprocessor/79210 * input.c (get_substring_ranges_for_loc): Replace line_width assertion with error-handling. 2017-01-31 Richard Biener PR tree-optimization/77318 * graphite-sese-to-poly.c (extract_affine): Fix assert. (create_pw_aff_from_tree): Take loop parameter. (add_condition_to_pbb): Pass loop of the condition to create_pw_aff_from_tree. 2017-01-31 Jakub Jelinek * config/s390/s390.c (s390_asan_shadow_offset): New function. (TARGET_ASAN_SHADOW_OFFSET): Redefine. 2017-01-31 Michael Meissner PR target/78597 PR target/79038 * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete, no longer used. (convert_int_to_float128): Likewise. * config/rs6000/rs6000.c (convert_float128_to_int): Likewise. (convert_int_to_float128): Likewise. * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise. (UNSPEC_IEEE128_CONVERT): Likewise. (floatsi2, FLOAT128 iterator): Bypass calling rs6000_expand_float128_convert if we have IEEE 128-bit hardware. Use local variables for IBM extended format. (fix_truncsi2, FLOAT128 iterator): Likewise. (fix_truncsi2_fprs): Likewise. (fixuns_trunc2): Likewise. (floatuns2, IEEE128 iterator): Likewise. (fix_si2_hw): Rework the IEEE 128-bt hardware support to know that we can now have integers of all sizes in vector registers. (fix_di2_hw): Likewise. (float_si2_hw): Likewise. (fix_si2_hw): Likewise. (fixuns_si2_hw): Likewise. (float_di2_hw): Likewise. (float_di2_hw): Likewise. (float_si2_hw): Likewise. (floatuns_di2_hw): Likewise. (floatuns_si2_hw): Likewise. (xscvqpwz_): Delete, no longer used. (xscvqpdz_): Likewise. (xscvdqp_): Likewise. (ieee128_mfvsrd_64bit): Likewise. (ieee128_mfvsrd_32bit): Likewise. (ieee128_mfvsrwz): Likewise. (ieee128_mtvsrw): Likewise. (ieee128_mtvsrd_64bit): Likewise. (ieee128_mtvsrd_32bit): Likewise. 2017-01-31 Martin Liska PR ipa/79285 * ipa-prop.c (ipa_free_all_node_params): Call release method instead of ~sumbol_summary to not to trigger double times dtor of hash_map. 2017-01-31 Aldy Hernandez PR tree-optimization/71691 * bitmap.h (class auto_bitmap): New. * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call is_maybe_undefined instead of ssa_undefined_value_p. 2017-01-31 Andreas Krebbel * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename __S390_ARCH_LEVEL__ to __ARCH__. 2017-01-31 Jakub Jelinek PR tree-optimization/79267 * value-prof.c (gimple_ic): Only drop lhs for noreturn calls if should_remove_lhs_p is true. 2017-01-30 Alexandre Oliva PR debug/63238 * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment. (add_alignment_attribute): New. (base_type_die): Add alignment attribute. (subrange_type_die): Likewise. (modified_type_die): Likewise. (gen_array_type_die): Likewise. (gen_descr_array_type_die: Likewise. (gen_enumeration_type_die): Likewise. (gen_subprogram_die): Likewise. (gen_variable_die): Likewise. (gen_field_die): Likewise. (gen_ptr_to_mbr_type_die): Likewise. (gen_struct_or_union_type_die): Likewise. (gen_subroutine_type_die): Likewise. (gen_typedef_die): Likewise. (base_type_cmp): Compare alignment attribute. 2017-01-30 Aaron Sawdey PR target/79170 * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed. (setb_unsigned) New pattern for setb with CCUNS. * config/rs6000/rs6000.c (expand_block_compare): Use a different subfc./subfe sequence to avoid overflow problems. Generate a shorter sequence with cmpld/setb for power9. * config/rs6000/rs6000.md (subf3_carry_dot2): Add a new pattern for generating subfc. instruction. (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence now uses this instruction. 2017-01-30 Ian Lance Taylor PR debug/79289 * dwarf2out.c (gen_type_die_with_usage): When picking a variant for FUNCTION_TYPE/METHOD_TYPE, use the first matching one. 2017-01-30 Martin Sebor * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision): Move constant to the right of a relational operator. (get_mpfr_format_length, format_character, format_string): Ditto. (should_warn_p, maybe_warn): Same. * doc/invoke.texi (-Wformat-truncation=1): Fix typo. 2017-01-30 Maxim Ostapenko PR lto/79061 * asan.c (get_translation_unit_decl): Remove function. (asan_add_global): Force has_dynamic_init to zero in LTO mode. 2017-01-30 Martin Liska PR gcov-profile/79259 * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/ -fprofile-generate. 2017-01-30 Martin Liska PR bootstrap/78985 * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze): Initialize variables with NULL value. 2017-01-30 Richard Earnshaw PR target/79260 * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to tm_p_file. * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h. 2017-01-30 Richard Biener PR tree-optimization/79276 * tree-vrp.c (process_assert_insertions): Properly adjust common when removing a duplicate. 2017-01-30 Richard Biener PR tree-optimization/79256 * targhooks.c (default_builtin_vector_alignment_reachable): Honor BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus alignment on TYPE. * tree.c (build_aligned_type): Set TYPE_USER_ALIGN. 2017-01-30 Dominik Vogt PR target/79240 * config/s390/s390.md ("*rsbg__srl_bitmask") ("*rsbg__sll_bitmask") ("*extzv__srl") ("*extzv__sll"): Use contiguous_bitmask_nowrap_operand. 2017-01-29 Bill Schmidt PR target/79268 * config/rs6000/altivec.h (vec_xl): Revise #define. (vec_xst): Likewise. 2017-01-27 Uros Bizjak * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum. 2017-01-27 Bernd Schmidt PR rtl-optimization/79194 * cprop.c (one_cprop_pass): Move deletion of code after unconditional traps before call to bypass_conditional_jumps. 2017-01-27 Vladimir Makarov PR tree-optimization/71374 * lra-constraints.c (check_conflict_input_operands): New. (match_reload): Use it. 2017-01-27 Vladimir Makarov PR target/79131 * lra-assigns.c (find_hard_regno_for_1): Take endianess for into account to calculate conflict_set. 2017-01-27 Bin Cheng PR rtl-optimization/78559 * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for other_insn in combine. 2017-01-27 Pekka Jääskeläinen * builtin-types.def: Use unsigned_char_type_node for BT_UINT8. Use uint16_type_node for BT_UINT16. 2017-01-27 David Malcolm * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and "RTL Tests" to menu. (GIMPLE Tests): New node. (RTL Tests): New node. 2017-01-27 Richard Biener PR tree-optimization/79245 * tree-loop-distribution.c (distribute_loop): Apply cost modeling also to detected patterns. 2017-01-27 Richard Biener PR tree-optimization/71433 * tree-vrp.c (register_new_assert_for): Revert earlier changes. (compare_assert_loc): New function. (process_assert_insertions): Sort and optimize assert locations to remove duplicates and push down identical assertions on edges to their destination block. 2017-01-27 Richard Biener PR tree-optimization/79244 * tree-vrp.c (remove_range_assertions): Forcefully propagate out SSA names even if abnormal. 2017-01-27 Jakub Jelinek * realmpfr.h: Poison MPFR_RND{N,Z,U,D}. * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN instead of MPFR_RNDN. 2017-01-27 Richard Earnshaw PR target/79239 * arm.c (arm_option_override): Don't call build_target_option_node until after doing all option overrides. (arm_valid_target_attribute_tree): Likewise. 2017-01-27 Martin Liska * doc/invoke.texi (-fprofile-arcs): Document profiling support for {cd}tors and C++ {cd}tors. 2017-01-27 Dominik Vogt * config/s390/s390.md ("*setmem_long_and") ("*setmem_long_and_31z"): Use zero_extend instead of and. 2017-01-26 Martin Sebor * gimple-ssa-sprintf.c (format_floating): Simplify the computation of precision. 2017-01-26 Martin Sebor * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and HAVE_DFmode before using XFmode or DFmode. (parse_directive): Avoid using the z length modifier to avoid the ISO C++98 does not support the ‘z’ gnu_printf length modifier. PR middle-end/78703 * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change to accept adjustment as an array. (get_int_range): New function. (struct directive): Make width and prec arrays. (directive::set_width, directive::set_precision): Call get_int_range. (format_integer, format_floating): Handle width and precision ranges. (format_string, parse_directive): Same. 2017-01-26 Jakub Jelinek PR debug/79129 * dwarf2out.c (generate_skeleton_bottom_up): For children with comdat_type_p set, just clone them, but keep the children in the original DIE. PR debug/78835 * dwarf2out.c (prune_unused_types): Mark all functions with DIEs which have direct callers with -fvar-tracking-assignments enabled in the current TU. (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin inside of type units. 2017-01-26 Martin Sebor PR middle-end/78703 * gimple-ssa-sprintf.c (struct result_range): Add likely and unlikely counters. (struct format_result): Replace number_chars, number_chars_min, and number_chars_max with a single member of struct result_range. Remove bounded. (format_result::operator+=): Adjust. (struct fmtresult): Remove bounded. Handle likely and unlikely counters. (fmtresult::adjust_for_width_or_precision): New function. (fmtresult:type_max_digits): New function. (bytes_remaining): Handle likely and unlikely counters. (min_bytes_remaining): Remove. (format_percent): Simplify. (format_integer, format_floating): Set likely and unlikely counters. (get_string_length, format_character, format_string): Same. (format_plain, should_warn_p): New function. (maybe_warn): Call should_warn_p. Update diagnostic messages and handle those for all directives, including plain strings. (format_directive): Handle likely and unlikely counters. Remove unnecessary quoting from diagnostics. Add an informational note. (add_bytes): Remove. (pass_sprintf_length::compute_format_length): Simplify. (try_substitute_return_value): Handle likely and unlikely counters. 2017-01-26 Carl Love * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins 2017-01-26 Vladimir Makarov PR target/79131 * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take endianess for subregs into account. * lra-constraints.c (lra_constraints): Do risky transformations always on the first iteration. * lra-lives.c (check_pseudos_live_through_calls): Add arg last_call_used_reg_set. (process_bb_lives): Define and use last_call_used_reg_set. * lra.c (lra): Always continue after lra_constraints on the first iteration. 2017-01-26 Kirill Yukhin * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long constant. * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto. 2017-01-26 Jakub Jelinek * config/i386/avx512fintrin.h (_ktest_mask16_u8, _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ... * config/i386/avx512dqintrin.h (_ktest_mask16_u8, _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here. * config/i386/i386-builtin.def (__builtin_ia32_ktestchi, __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F. * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator. (kadd, ktest): Use it instead of SWI1248_AVX512BWDQ. 2017-01-26 Marek Polacek PR c/79199 * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL for the third operand. 2017-01-26 Jakub Jelinek PR middle-end/79236 * omp-low.c (struct omp_context): Add simt_stmt field. (scan_omp_for): Return omp_context *. (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD context to the _simt_ SIMD stmt. (lower_omp_for): For combined SIMD with sibling _simt_ SIMD, make sure to use the same decls in _looptemp_ clauses as in the sibling. 2017-01-26 David Sherwood PR middle-end/79212 * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in all contexts. 2017-01-26 Jakub Jelinek PR target/70465 * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1); emit fld b; fld a; if possible. * brig-builtins.def: Update copyright years. * config/arm/arm_acle_builtins.def: Update copyright years. 2017-01-25 Michael Meissner PR target/79179 * config/rs6000/vsx.md (vsx_extract__store): Use wY constraint instead of o for the stxsd instruction. 2017-01-25 Carl Love * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD. 2017-01-25 Jonathan Wakely * doc/invoke.texi (C++ Dialect Options): Fix typo. 2017-01-25 Richard Biener PR tree-optimization/69264 * target.def (vector_alignment_reachable): Improve documentation. * doc/tm.texi: Regenerate. * targhooks.c (default_builtin_vector_alignment_reachable): Simplify and add a comment. * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert earlier changes with respect to TYPE_USER_ALIGN. (vector_alignment_reachable_p): Likewise. Improve dumping. 2016-01-25 Kyrylo Tkachov PR target/79145 * config/arm/arm.md (xordi3): Force constant operand into a register for TARGET_IWMMXT. 2016-01-25 Kyrylo Tkachov * doc/invoke.texi (-fstore-merging): Correct default optimization levels at which it is enabled. (-O): Move -fstore-merging from list to... (-O2): ... Here. 2017-01-25 Richard Biener PR debug/78363 * omp-expand.c: Include debug.h. (expand_omp_taskreg): Make sure to generate early debug before outlining anything from a function. (expand_omp_target): Likewise. (grid_expand_target_grid_body): Likewise. 2017-01-25 Maxim Ostapenko PR lto/79061 * asan.c (get_translation_unit_decl): New function. (asan_add_global): Extract modules file name from globals TRANSLATION_UNIT_DECL name. 2017-01-24 Eric Botcazou PR target/77439 * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction for long calls with APCS frame and VFP. 2017-01-24 David Malcolm * cfg.c (original_copy_tables_initialized_p): New function. * cfg.h (original_copy_tables_initialized_p): New decl. * cfgrtl.c (relink_block_chain): Guard the call to free_original_copy_tables with a call to original_copy_tables_initialized_p. * cgraph.h (symtab_node::native_rtl_p): New decl. * cgraphunit.c (symtab_node::native_rtl_p): New function. (symtab_node::needed_p): Don't assert for early assembly output for __RTL functions. (cgraph_node::finalize_function): Set "force_output" for __RTL functions. (cgraph_node::analyze): Bail out early for __RTL functions. (analyze_functions): Update assertion to support __RTL functions. (cgraph_node::expand): Bail out early for __RTL functions. * final.c (rest_of_clean_state): Don't call delete_tree_ssa for __RTL functions. * function.h (struct function): Update comment for field "pass_startwith". * gimple-expr.c: Include "tree-pass.h". (gimple_has_body_p): Return false for __RTL functions. * Makefile.in (OBJS): Add run-rtl-passes.o. * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New accessor. (gcc::pass_manager::get_clean_slate): New accessor. * passes.c: Include "insn-addr.h". (should_skip_pass_p): Add logging. Update logic for running "expand" to be compatible with both __GIMPLE and __RTL. Guard property-provider override so it is only done for gimple passes. Don't skip dfinit. (skip_pass): New function. (execute_one_pass): Call skip_pass when skipping passes. * read-md.c (md_reader::read_char): Support filtering the input to a subset of line numbers. (md_reader::md_reader): Initialize fields m_first_line and m_last_line. (md_reader::read_file_fragment): New function. * read-md.h (md_reader::read_file_fragment): New decl. (md_reader::m_first_line): New field. (md_reader::m_last_line): New field. * read-rtl-function.c (function_reader::create_function): Only create cfun if it doesn't already exist. Set PROP_rtl on cfun's curr_properties. Set DECL_INITIAL to a dummy block. (read_rtl_function_body_from_file_range): New function. * read-rtl-function.h (read_rtl_function_body_from_file_range): New decl. * run-rtl-passes.c: New file. * run-rtl-passes.h: New file. 2017-01-24 Jeff Law * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase buffer size. 2017-01-24 Bin Cheng PR tree-optimization/79159 * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function. (record_nonwrapping_iv): Improve boundary using above function if no value range information. 2017-01-24 Pekka Jääskeläinen Martin Jambor * brig-builtins.def: New file. * builtins.def (DEF_HSAIL_BUILTIN): New macro. (DEF_HSAIL_ATOMIC_BUILTIN): Likewise. (DEF_HSAIL_SAT_BUILTIN): Likewise. (DEF_HSAIL_INTR_BUILTIN): Likewise. (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise. * builtin-types.def (BT_INT8): New. (BT_INT16): Likewise. (BT_UINT8): Likewise. (BT_UINT16): Likewise. (BT_FN_ULONG): Likewise. (BT_FN_UINT_INT): Likewise. (BT_FN_UINT_ULONG): Likewise. (BT_FN_UINT_LONG): Likewise. (BT_FN_UINT_PTR): Likewise. (BT_FN_ULONG_PTR): Likewise. (BT_FN_INT8_FLOAT): Likewise. (BT_FN_INT16_FLOAT): Likewise. (BT_FN_UINT32_FLOAT): Likewise. (BT_FN_UINT16_FLOAT): Likewise. (BT_FN_UINT8_FLOAT): Likewise. (BT_FN_UINT64_FLOAT): Likewise. (BT_FN_UINT16_UINT32): Likewise. (BT_FN_UINT32_UINT16): Likewise. (BT_FN_UINT16_UINT16_UINT16): Likewise. (BT_FN_INT_PTR_INT): Likewise. (BT_FN_UINT_PTR_UINT): Likewise. (BT_FN_LONG_PTR_LONG): Likewise. (BT_FN_ULONG_PTR_ULONG): Likewise. (BT_FN_VOID_UINT64_UINT64): Likewise. (BT_FN_UINT8_UINT8_UINT8): Likewise. (BT_FN_INT8_INT8_INT8): Likewise. (BT_FN_INT16_INT16_INT16): Likewise. (BT_FN_INT_INT_INT): Likewise. (BT_FN_UINT_FLOAT_UINT): Likewise. (BT_FN_FLOAT_UINT_UINT): Likewise. (BT_FN_ULONG_UINT_UINT): Likewise. (BT_FN_ULONG_UINT_PTR): Likewise. (BT_FN_ULONG_ULONG_ULONG): Likewise. (BT_FN_UINT_UINT_UINT): Likewise. (BT_FN_VOID_UINT_PTR): Likewise. (BT_FN_UINT_UINT_PTR: Likewise. (BT_FN_UINT32_UINT64_PTR): Likewise. (BT_FN_INT_INT_UINT_UINT): Likewise. (BT_FN_UINT_UINT_UINT_UINT): Likewise. (BT_FN_UINT_UINT_UINT_PTR): Likewise. (BT_FN_UINT_ULONG_ULONG_UINT): Likewise. (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise. (BT_FN_LONG_LONG_UINT_UINT): Likewise. (BT_FN_ULONG_ULONG_UINT_UINT): Likewise. (BT_FN_VOID_UINT32_UINT64_PTR): Likewise. (BT_FN_VOID_UINT32_UINT32_PTR): Likewise. (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise. (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise. (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise. * doc/frontends.texi: List BRIG FE. * doc/install.texi (Testing): Add BRIG tesring requirements. * doc/invoke.texi (Overall Options): Mention BRIG. * doc/standards.texi (Standards): Doucment BRIG HSA version. 2017-01-24 Richard Biener PR translation/79208 * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic. 2017-01-24 Martin Jambor PR bootstrap/79198 * ipa-prop.c (ipa_free_all_node_params): Call summary destructor. * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts and known_contexts. 2017-01-24 Aldy Hernandez PR middle-end/79123 * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure casts from signed to unsigned really don't have a range. 2017-01-24 Markus Trippelsdorf * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to GMP_RNDx for compatiblity. 2017-01-24 Martin Liska PR bootstrap/79132 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert that would prevent us to call alloca with -1 as argument. 2017-01-24 Jakub Jelinek * dwarf2out.c (output_compilation_unit_header, output_file_names): Avoid -Wformat-security warning. 2017-01-23 Andrew Pinski * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve cost table. 2017-01-23 Martin Sebor PR middle-end/78703 * gimple-ssa-sprintf.c (warn_level): New global. (format_integer): Use it here and throughout the rest of the file. Use the same switch to compute sign as base. (maybe_warn): New function. (format_directive): Factor out warnings into maybe_warn. Add debugging output. Use warn_level. (add_bytes): Use warn_level. (pass_sprintf_length::compute_format_length): Add debugging output. (try_substitute_return_value): Same. (pass_sprintf_length::handle_gimple_call): Set and use warn_level. PR middle-end/78703 * gimple-ssa-sprintf.c (struct format_result): Remove constant member. (struct fmtresult, format_integer, format_floating): Adjust. (fmtresult::fmtresult): Set max correctly in two argument ctor. (get_string_length, format_string,format_directive): Same. (pass_sprintf_length::compute_format_length): Same. (try_substitute_return_value): Simplify slightly. PR middle-end/78703 * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting. (fmtresult::operator+=): Outlined. (struct fmtresult): Add ctors. (struct conversion_spec): Rename... (struct directive): ...to this. Add and remove data members. (directive::set_width, directive::set_precision): New functions. (format_percent): Use fmtresult ctor. (get_width_and_precision): Remove. (format_integer): Make naming changes. Avoid computing width and precision. (format_floating): Same. Adjust indentation. (format_character, format_none): New functions. (format_string): Moved character handling to format_character. (format_directive): Remove arguments, change return type. (parse_directive): New function. (pass_sprintf_length::compute_format_length): Move directive parsing to parse_directive. 2017-01-23 Jakub Jelinek * tree.h (assign_assembler_name_if_neeeded): Rename to ... (assign_assembler_name_if_needed): ... this. * tree.c (assign_assembler_name_if_neeeded): Rename to ... (assign_assembler_name_if_needed): ... this. (free_lang_data_in_cgraph): Adjust callers. * cgraphunit.c (cgraph_node::analyze): Likewise. * omp-expand.c (expand_omp_taskreg, expand_omp_target): Likewise. 2017-01-23 Richard Biener PR tree-optimization/79088 PR tree-optimization/79188 * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code resetting loop bounds after last path deletion. Reset loop bounds of the target loop, make code match the comments. * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute): Make sure loops need no fixups. 2017-01-23 Kelvin Nilsen * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert exponent support with double type for first argument. * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed type returned by __builtin_vec_extract_sig, __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp functions from "vector int" to "vector unsigned int" or from "vector long long int" to "vector unsigned long long int". Changed type returned by __builtin_vec_extract_exp, __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp functions from "vector int" to "vector unsigned int" or from "vector long long int" to "vector unsigned long long int". Changed return type of __builtin_vec_test_data_class, __builtin_vec_test_data_class_sp, and __builtin_vec_test_data_class_dp from "vector int" to "vector bool int" or from "vector long long int" to "vector bool long long int" and changed second argument type from "unsigned int" to "int". Added new overloaded function forms "vector float __builtin_vec_insert_exp (vector float, vector unsigned int)" and "vector float __builtin_vec_insert_exp_sp (vector float, vector unsigned int)" and "vector double __builtin_vec_insert_exp (vector double, vector unsigned long long int)" and "vector double __builtin_vec_insert_exp_dp (vector double, vector unsigned long long int)". Changed return type of __builtin_scalar_test_data_class and __builtin_scalar_test_data_class_sp and __builtin_scalar_test_data_class_dp from "unsigned int" to "bool int" and changed second argument from "unsigned int" to "int". Changed type returned by __builtin_scalar_test_neg, __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp from "int" to "bool int". Added new overloaded function form "double __builtin_scalar_insert_exp (double, unsigned long long int)". * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert exponent double-precision with floating point first argument. * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust documentation of scalar_test_data_class, scalar_test_neg, scalar_extract_sig, scalar_extract_exp, scalar_insert_exp, vector_extract_exp, vec_extract_sig, vec_insert_exp, and vec_test_data_class built-in functions to reflect refinements in their type signatures. 2017-01-23 Andreas Tobler * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase size of buf. (aarch64_elf_asm_destructor): Likewise. 2017-01-23 Bernd Schmidt PR rtl-optimization/78634 * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function. (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define. * ifcvt.c (noce_try_cmove): Add missing cost check. PR rtl-optimization/71724 * combine.c (if_then_else_cond): Look for situations where it is beneficial to undo the work of one of the recursive calls. 2017-01-23 Bin Cheng PR tree-optimization/70754 * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE. (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE. Insert combined stmt before it if not NULL. (combine_chains): Process refs reversely and compute dominance point for root ref. 2017-01-23 Martin Liska PR tree-optimization/79196 * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ... (fold_strstr_to_strncmp): ... this. Fold the pattern to strncmp instead of memcmp. (strlen_optimize_stmt): Call the renamed function. 2017-01-23 Michael Matz PR tree-optimization/78384 * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge. 2017-01-23 Richard Biener PR tree-optimization/79186 * tree-vrp.c (register_new_assert_for): Make sure we've seen both incoming edges before moving an assert. 2017-01-23 Martin Jambor * ipa-prop.c (load_from_param_1): Removed. (load_from_unmodified_param): Bits from load_from_param_1 put back here. (load_from_param): Removed. (compute_complex_assign_jump_func): Removed stmt2 and just replaced it with stmt. Reverted back to use of load_from_unmodified_param. 2017-01-23 Martin Jambor PR ipa/79108 * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()). (ipa_node_params): Annotate with GTY((for_user)). Make descriptors field a pointer to garbage collected vector, mark lattices and ipcp_orig_node with GTY((skip)). (ipa_get_param_count): Adjust to descriptors being a pointer. (ipa_get_param): Likewise. (ipa_get_type): Likewise. (ipa_get_param_move_cost): Likewise. (ipa_set_param_used): Likewise. (ipa_get_controlled_uses): Likewise. (ipa_set_controlled_uses): Likewise. (ipa_is_param_used): Likewise. (ipa_node_params_t): Move into garbage collector. New methods insert and remove. (ipa_node_params_sum): Annotate wth GTY(()). (ipa_check_create_node_params): Adjust to ipa_node_params_sum being garbage collected. (ipa_load_from_parm_agg): Adjust declaration. * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer. * ipa-profile.c (ipa_profile): Likewise. * ipa-prop.c (ipa_get_param_decl_index_1): Likewise. (ipa_populate_param_decls): Make descriptors parameter garbage collected. (ipa_dump_param): Adjust to descriptors being a pointer. (ipa_alloc_node_params): Likewise. (ipa_initialize_node_params): Likewise. (load_from_param_1): Make descriptors parameter garbage collected. (load_from_unmodified_param): Likewise. (load_from_param): Likewise. (ipa_load_from_parm_agg): Likewise. (ipa_node_params::~ipa_node_params): Removed. (ipa_free_all_node_params): Remove call to delete operator. (ipa_node_params_t::insert): New. (ipa_node_params_t::remove): Likewise. (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer, copy known_csts and known_contexts vectors. (ipa_read_node_info): Adjust to descriptors being a pointer. (ipcp_modif_dom_walker): Make m_descriptors field garbage collected. (ipcp_transform_function): Make descriptors variable garbage collected. 2017-01-23 Andrew Senkevich * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics. * config/i386/avx512dqintrin.h: Ditto. * config/i386/avx512fintrin.h: Ditto. * gcc/config/i386/i386.c: Handle new builtins. * config/i386/i386-builtin.def: Add new builtins. * config/i386/sse.md (ktest, kortest): New. (UNSPEC_KORTEST, UNSPEC_KTEST): New. 2017-01-23 Jakub Jelinek Martin Liska * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE. * asan.c (asan_expand_poison_ifn): Support stores and use appropriate ASAN report function. * internal-fn.c (expand_ASAN_POISON_USE): New function. * internal-fn.def (ASAN_POISON_USE): Declare. * tree-into-ssa.c (maybe_add_asan_poison_write): New function. (maybe_register_def): Create ASAN_POISON_USE when sanitizing. * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove ASAN_POISON calls w/o LHS. * tree-ssa.c (execute_update_addresses_taken): Create clobber for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS from ASAN_MARK (POISON, &x, ...) coming to a PHI node. * gimplify.c (asan_poison_variables): Add attribute use_after_scope_memory to variables that really needs to live in memory. * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when having the attribute. 2017-01-23 Martin Liska * asan.c (create_asan_shadow_var): New function. (asan_expand_poison_ifn): Likewise. * asan.h (asan_expand_poison_ifn): New declaration. * internal-fn.c (expand_ASAN_POISON): Likewise. * internal-fn.def (ASAN_POISON): New builtin. * sanopt.c (pass_sanopt::execute): Expand asan_expand_poison_ifn. * tree-inline.c (copy_decl_for_dup_finish): Make function external. * tree-inline.h (copy_decl_for_dup_finish): Likewise. * tree-ssa.c (is_asan_mark_p): New function. (execute_update_addresses_taken): Rewrite local variables (identified just by use-after-scope as addressable) into SSA. 2017-01-22 Gerald Pfeifer * doc/install.texi (Specific): opensource.apple.com uses https now. Remove trailing slash. 2017-01-22 Gerald Pfeifer * README.Portability: Remove note on an Irix compatibility issue. 2017-01-22 Dimitry Andric * gcov.c (INCLUDE_ALGORITHM): Define. (INCLUDE_VECTOR): Define. No longer include and directly. 2017-01-21 Gerald Pfeifer * doc/extend.texi (Thread-Local): Change www.akkadia.org reference to https. * doc/invoke.texi (Code Gen Options): Ditto. 2017-01-21 Jan Hubicka PR lto/78407 * cfg.c (update_bb_profile_for_threading): Fix updating of probablity. 2017-01-21 Bernd Schmidt rtl-optimization/79125 * cprop.c (local_cprop_pass): Handle cases where we make an unconditional trap. 2017-01-20 Segher Boessenkool PR target/61729 PR target/77850 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to read from, for big endian. 2017-01-20 Jiong Wang * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register register pauth builtins for LP64 only. 2017-01-20 Marek Polacek PR c/79152 * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive non-case labels. 2017-01-20 Alexander Monakov * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless of safelen status. * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev. * passes.c (dump_properties): Handle PROP_gimple_lomp_dev. * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev. 2017-01-20 Kyrylo Tkachov PR target/71270 * config/arm/arm.c (neon_valid_immediate): Reject vector constants in big-endian mode when they are not a single duplicated value. 2017-01-20 Richard Biener * BASE-VER: Bump to 7.0.1. 2017-01-20 Alexander Monakov * omp-low.c (omplow_simd_context): New struct. Use it... (lower_rec_simd_input_clauses): ...here and... (lower_rec_input_clauses): ...here to hold common data. Adjust all references to idx, lane, max_vf, is_simt. 2017-01-20 Graham Markall * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when mcpu=nps400. 2017-01-20 Martin Jambor * hsa.h: Renaed to hsa-common.h. Adjusted a comment. * hsa.c: Renaed to hsa-common.c. Change include of gt-hsa.h to gt-hsa-common.h. * Makefile.in (OBJS): Rename hsa.o to hsa-common.o. (GTFILES): Rename hsa.c to hsa-common.c. * hsa-brig.c: Change include of hsa.h to hsa-common.h. * hsa-dump.c: Likewise. * hsa-gen.c: Likewise. * hsa-regalloc.c: Likewise. * ipa-hsa.c: Likewise. * omp-expand.c: Likewise. * omp-low.c: Likewise. * toplev.c: Likewise. 2017-01-20 Marek Polacek PR c/64279 * doc/invoke.texi: Document -Wduplicated-branches. * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR, COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR, POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT, STATEMENT_LIST, and RETURN_EXPR. For non-pure non-const functions return 0 only when not OEP_LEXICOGRAPHIC. (fold_build_cleanup_point_expr): Use the expression location when building CLEANUP_POINT_EXPR. * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC. * tree.c (add_expr): Handle error_mark_node. 2017-01-20 Martin Liska PR lto/69188 * tree-profile.c (init_ic_make_global_vars): Do not call finalize_decl. (gimple_init_gcov_profiler): Likewise. 2017-01-20 Martin Liska PR ipa/71190 * cgraph.h (maybe_create_reference): Remove argument and update comment. * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one argument. * ipa-cp.c (create_specialized_node): Likewise. * symtab.c (symtab_node::maybe_create_reference): Handle VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type. 2017-01-20 Martin Liska * read-rtl-function.c (function_reader::create_function): Use build_decl instread of build_decl_stat. 2017-01-20 Andrew Senkevich * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics. * config/i386/avx512dqintrin.h: Ditto. * config/i386/avx512fintrin.h: Ditto. * config/i386/i386-builtin-types.def: Add new types. * gcc/config/i386/i386.c: Handle new types. * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi) (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi) (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi) (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi) (__builtin_ia32_kshiftridi): New. * config/i386/sse.md (k): Rename *k. 2017-01-19 Segher Boessenkool PR target/78875 PR target/79140 * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally define to rs6000_init_stack_protect_guard. (rs6000_init_stack_protect_guard): New function. 2017-01-19 Matthew Fortune Yunqiang Su * config.gcc (supported_defaults): Add madd4. (with_madd4): Add validation. (all_defaults): Add madd4. * config/mips/mips.opt (mmadd4): New option. * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for mmadd4. (TARGET_CPU_CPP_BUILTINS): Add builtin_define for __mips_no_madd4. (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4. (ISA_HAS_FUSED_MADD4): Likewise. * gcc/doc/invoke.texi (-mmadd4): Document the new option. * gcc/doc/install.texi (--with-madd4): Document the new option. 2017-01-19 Jiong Wang * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New entries for AARCH64_PAUTH_BUILTIN_XPACLRI, AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716. (aarch64_init_pauth_hint_builtins): New. (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins. (aarch64_expand_builtin): Expand new builtins. 2017-01-19 Jiong Wang * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note. * combine-stack-adj.c (no_unhandled_cfa): Handle REG_CFA_TOGGLE_RA_MANGLE. * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE. * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF info for return address signing. (aarch64_expand_epilogue): Likewise. 2017-01-19 Jiong Wang * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum. * config/aarch64/aarch64-protos.h (aarch64_return_address_signing_enabled): New declaration. * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled): New function. (aarch64_expand_prologue): Sign return address before it's pushed onto stack. (aarch64_expand_epilogue): Authenticate return address fetched from stack. (aarch64_override_options): Sanity check for ILP32 and ISA level. (aarch64_attributes): New function attributes for "sign-return-address". * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP, UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs. ("*do_return"): Generate combined instructions according to key index. ("sp", " * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable -mpower9-minmax by default for -mcpu=power9. (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE 128-bit floating point. 2017-01-20 Alan Modra * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if optimizing for size. 2017-01-20 Alan Modra PR target/79144 * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name for strcmp and strncmp from corresponding builtin decl. 2017-01-19 Uros Bizjak * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h instead of i386/rtems-64.h. * config/i386/rtems-64.h: Remove. 2017-01-19 Uros Bizjak PR target/78478 Revert: 2013-11-05 Uros Bizjak * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define. 2017-01-19 Tamar Christina * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup): Change int to HOST_WIDE_INT. * config/aarch64/aarch64-protos.h (aarch64_simd_gen_const_vector_dup): Likewise. * config/aarch64/aarch64-simd.md: Add copysign3. 2017-01-19 David Malcolm * langhooks-def.h (lhd_type_for_size): New decl. (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size. * langhooks.c (lhd_type_for_size): New function, taken from lto_type_for_size. 2017-01-19 Pat Haugen * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add define_bypass for CR latency. (power9-cracked-alu): Update bypass latency and remove power9-branch. (power9-alu2): Add define_bypass for CR latency. (power9-cmp): New. (power9-mul): Update insn latency. (power9-mul-compare): Update insn latency, bypass latency and remove power9-branch. 2016-01-19 Kyrylo Tkachov * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads): Delete. * config/aarch64/aarch64.md (aarch64_reload_movcp): Delete reference to aarch64_nopcrelative_literal_loads. (aarch64_reload_movcp): Likewise. 2017-01-19 Chenghua Xu * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for TARGET_LOONGSON_3A. (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A. 2017-01-19 Doug Gilmore PR target/78176 * config.gcc (supported_defaults): Add lxc1-sxc1. (with_lxc1_sxc1): Add validation. (all_defaults): Add lxc1-sxc1. * config/mips/mips.opt (mlxc1-sxc1): New option. * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for mlxc1-sxc1. (TARGET_CPU_CPP_BUILTINS): Add builtin_define for __mips_no_lxc1_sxc1. (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1. * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option. * doc/install.texi (--with-lxc1-sxc1): Document the new option. 2017-01-19 Richard Biener PR tree-optimization/72488 * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make sure to restore SSA info. * tree-ssa.c (verify_ssa): Verify SSA info is not shared. 2017-01-19 Richard Earnshaw PR rtl-optimization/79121 * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness of the inner type when shifting an extended value. 2017-01-17 Jan Hubicka PR lto/78407 * symtab.c (symtab_node::equal_address_to): Fix comparing of interposable aliases. 2017-01-18 Peter Bergner PR target/78516 * config/rs6000/spe.md (mov_si_e500_subreg0): Fix constraints. Use the evmergelohi instruction. (mov_si_e500_subreg4_2_le): Likewise. (mov_sitf_e500_subreg8_2_be): Likewise. (mov_sitf_e500_subreg12_2_le): Likewise. (mov_si_e500_subreg0_2_le): Fix constraints. (mov_si_e500_subreg4_2_be): Likewise. (mov_sitf_e500_subreg8_2_le): Likewise. (mov_sitf_e500_subreg12_2_be): Likewise. 2017-01-18 Bill Schmidt * config/rs6000/altivec.md (altivec_vbpermq): Change "type" attribute from vecsimple to vecperm. (altivec_vbpermq2): Likewise. 2017-01-18 Bill Schmidt PR target/79040 * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz. 2017-01-18 Aaron Sawdey * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg. * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand strcmp. Fix bug where comparison didn't stop with zero byte. Fix case where N arg is SIZE_MAX. * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare. (cmpstrsi): Add pattern. 2017-01-18 Michael Meissner * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add __builtin_vec_revb builtins. * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add built-in functions to support generation of the ISA 3.0 XXBR vector byte reverse instructions. (P9V_BUILTIN_XXBRQ_V1TI): Likewise. (P9V_BUILTIN_XXBRD_V2DI): Likewise. (P9V_BUILTIN_XXBRD_V2DF): Likewise. (P9V_BUILTIN_XXBGW_V4SI): Likewise. (P9V_BUILTIN_XXBGW_V4SF): Likewise. (P9V_BUILTIN_XXBGH_V8HI): Likewise. (P9V_BUILTIN_VEC_REVB): Likewise. * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to generate the ISA 3.0 XXBR vector byte reverse instructions. (p9_xxbrq_v16qi): Likewise. (p9_xxbrd_, VSX_D iterator): Likewise. (p9_xxbrw_, VSX_W iterator): Likewise. (p9_xxbrh_v8hi): Likewise. * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0. * doc/extend.texi (RS/6000 Altivec Built-ins): Document the vec_revb built-in functions. 2017-01-18 Uros Bizjak PR rtl-optimization/78952 * config/i386/i386.md (any_extract): New code iterator. (*insvqi_2): Use any_extract for source operand. (*insvqi_3): Use any_shiftrt for source operand. 2017-01-18 Wilco Dijkstra * config/aarch64/aarch64.c (aarch64_sched_adjust_priority) New function. (TARGET_SCHED_ADJUST_PRIORITY): Define target hook. 2017-01-18 Matthias Klose * doc/install.texi: Allow default for --with-target-bdw-gc-include. 2016-01-18 Bill Schmidt * config/rs6000/altivec.h (vec_bperm): Change #define. * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant. (altivec_vbpermq2): New define_insn. (altivec_vbpermd): Likewise. * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic function interface. (VBPERMD): Likewise. (VBPERM): New polymorphic function interface. * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table): Add entries for P9V_BUILTIN_VEC_VBPERM. * doc/extend.texi: Add interfaces for vec_bperm. 2017-01-18 Andreas Krebbel * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase first letter of error messages. (s390_resolve_overloaded_builtin): Likewise. * config/s390/s390.c (s390_expand_builtin): Likewise. (s390_invalid_arg_for_unprototyped_fn): Likewise. (s390_valid_target_attribute_inner_p): Likewise. * config/s390/s390.md ("tabort"): Likewise. 2017-01-18 Toma Tabacu * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro. (ISA_AVOID_DIV_HILO): New macro. (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro. (ISA_HAS_DDIV): Likewise. 2017-01-18 Markus Trippelsdorf * doc/invoke.texi (fabi-version): Correct number of occurrences. 2017-01-18 Markus Trippelsdorf * doc/invoke.texi (fabi-version): Spelling fix. 2017-01-18 Markus Trippelsdorf PR c++/70182 * doc/invoke.texi (fabi-version): Mention mangling fix for operator names. 2017-01-18 Markus Trippelsdorf PR c++/77489 * doc/invoke.texi (fabi-version): Document discriminator mangling. 2017-01-17 Segher Boessenkool PR target/78875 * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum. * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle the new options. * config/rs6000/rs6000.md (stack_protect_set): Handle the new more flexible settings. (stack_protect_test): Ditto. * config/rs6000/rs6000.opt (mstack-protector-guard=, mstack-protector-guard-reg=, mstack-protector-guard-offset=): New options. * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]: Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and -mstack-protector-guard-offset=. (RS/6000 and PowerPC Options): Ditto. 2017-01-17 Uros Bizjak * config/i386/i386.h (MASK_CLASS_P): New define. * config/i386/i386.c (inline_secondary_memory_needed): Ensure that there are no registers from different register sets also when mask registers are used. Update function comment. * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative to (*k/*r) and (*k/*km) alternatives. 2017-01-17 Wilco Dijkstra * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter. * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove. (EH_RETURN_HANDLER_RTX): New define. * config/aarch64/aarch64.c (aarch64_frame_pointer_required): Force frame pointer in EH return functions. (aarch64_expand_epilogue): Add barrier for eh_return. (aarch64_final_eh_return_addr): Remove. (aarch64_eh_return_handler_rtx): New function. * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr): Remove. (aarch64_eh_return_handler_rtx): New prototype. 2017-01-17 Bill Schmidt * config/rs6000/altivec.h (vec_rlmi): New #define. (vec_vrlnm): Likewise. (vec_rlnm): Likewise. * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value. (UNSPEC_VRLNM): Likewise. (VIlong): New mode iterator. (altivec_vrlmi): New define_insn. (altivec_vrlnm): Likewise. * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic function entry. (VRLDNM): Likewise. (RLNM): New polymorphic function entry. (VRLWMI): New monomorphic function entry. (VRLDMI): Likewise. (RLMI): New polymorphic function entry. * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM. * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and vec_vrlnm. 2017-01-17 Jakub Jelinek PR debug/78839 * dwarf2out.c (field_byte_offset): Restore the PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET. Use fold_build2 instead of build2 + fold. (analyze_variants_discr, gen_variant_part): Use fold_build2 instead of build2 + fold. 2017-01-17 Eric Botcazou PR ada/67205 * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define 2017-01-17 Jakub Jelinek PR debug/71669 * dwarf2out.c (add_data_member_location_attribute): For constant offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute instead of DW_AT_data_member_location, DW_AT_bit_offset and DW_AT_byte_size attributes. 2017-01-17 Eric Botcazou * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference after forcing to constant memory when the code model is medium. 2017-01-17 Julia Koval PR target/76731 * config/i386/avx512fintrin.h (_mm512_i32gather_ps): Change __addr type to void const*. (_mm512_mask_i32gather_ps): Ditto. (_mm512_i32gather_pd): Ditto. (_mm512_mask_i32gather_pd): Ditto. (_mm512_i64gather_ps): Ditto. (_mm512_mask_i64gather_ps): Ditto. (_mm512_i64gather_pd): Ditto. (_mm512_mask_i64gather_pd): Ditto. (_mm512_i32gather_epi32): Ditto. (_mm512_mask_i32gather_epi32): Ditto. (_mm512_i32gather_epi64): Ditto. (_mm512_mask_i32gather_epi64): Ditto. (_mm512_i64gather_epi32): Ditto. (_mm512_mask_i64gather_epi32): Ditto. (_mm512_i64gather_epi64): Ditto. (_mm512_mask_i64gather_epi64): Ditto. (_mm512_i32scatter_ps): Change __addr type to void*. (_mm512_mask_i32scatter_ps): Ditto. (_mm512_i32scatter_pd): Ditto. (_mm512_mask_i32scatter_pd): Ditto. (_mm512_i64scatter_ps): Ditto. (_mm512_mask_i64scatter_ps): Ditto. (_mm512_i64scatter_pd): Ditto. (_mm512_mask_i64scatter_pd): Ditto. (_mm512_i32scatter_epi32): Ditto. (_mm512_mask_i32scatter_epi32): Ditto. (_mm512_i32scatter_epi64): Ditto. (_mm512_mask_i32scatter_epi64): Ditto. (_mm512_i64scatter_epi32): Ditto. (_mm512_mask_i64scatter_epi32): Ditto. (_mm512_i64scatter_epi64): Ditto. (_mm512_mask_i64scatter_epi64): Ditto. * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*. (_mm512_mask_prefetch_i32gather_ps): Ditto. (_mm512_mask_prefetch_i64gather_pd): Ditto. (_mm512_mask_prefetch_i64gather_ps): Ditto. (_mm512_prefetch_i32scatter_pd): Change __addr type to void*. (_mm512_prefetch_i32scatter_ps): Ditto. (_mm512_mask_prefetch_i32scatter_pd): Ditto. (_mm512_mask_prefetch_i32scatter_ps): Ditto. (_mm512_prefetch_i64scatter_pd): Ditto. (_mm512_prefetch_i64scatter_ps): Ditto. (_mm512_mask_prefetch_i64scatter_pd): Ditto. (_mm512_mask_prefetch_i64scatter_ps): Ditto. * config/i386/avx512vlintrin.h (_mm256_mmask_i32gather_ps): Change __addr type to void const*. (_mm_mmask_i32gather_ps): Ditto. (_mm256_mmask_i32gather_pd): Ditto. (_mm_mmask_i32gather_pd): Ditto. (_mm256_mmask_i64gather_ps): Ditto. (_mm_mmask_i64gather_ps): Ditto. (_mm256_mmask_i64gather_pd): Ditto. (_mm_mmask_i64gather_pd): Ditto. (_mm256_mmask_i32gather_epi32): Ditto. (_mm_mmask_i32gather_epi32): Ditto. (_mm256_mmask_i32gather_epi64): Ditto. (_mm_mmask_i32gather_epi64): Ditto. (_mm256_mmask_i64gather_epi32): Ditto. (_mm_mmask_i64gather_epi32): Ditto. (_mm256_mmask_i64gather_epi64): Ditto. (_mm_mmask_i64gather_epi64): Ditto. (_mm256_i32scatter_ps): Change __addr type to void*. (_mm256_mask_i32scatter_ps): Ditto. (_mm_i32scatter_ps): Ditto. (_mm_mask_i32scatter_ps): Ditto. (_mm256_i32scatter_pd): Ditto. (_mm256_mask_i32scatter_pd): Ditto. (_mm_i32scatter_pd): Ditto. (_mm_mask_i32scatter_pd): Ditto. (_mm256_i64scatter_ps): Ditto. (_mm256_mask_i64scatter_ps): Ditto. (_mm_i64scatter_ps): Ditto. (_mm_mask_i64scatter_ps): Ditto. (_mm256_i64scatter_pd): Ditto. (_mm256_mask_i64scatter_pd): Ditto. (_mm_i64scatter_pd): Ditto. (_mm_mask_i64scatter_pd): Ditto. (_mm256_i32scatter_epi32): Ditto. (_mm256_mask_i32scatter_epi32): Ditto. (_mm_i32scatter_epi32): Ditto. (_mm_mask_i32scatter_epi32): Ditto. (_mm256_i32scatter_epi64): Ditto. (_mm256_mask_i32scatter_epi64): Ditto. (_mm_i32scatter_epi64): Ditto. (_mm_mask_i32scatter_epi64): Ditto. (_mm256_i64scatter_epi32): Ditto. (_mm256_mask_i64scatter_epi32): Ditto. (_mm_i64scatter_epi32): Ditto. (_mm_mask_i64scatter_epi32): Ditto. (_mm256_i64scatter_epi64): Ditto. (_mm256_mask_i64scatter_epi64): Ditto. (_mm_i64scatter_epi64): Ditto. (_mm_mask_i64scatter_epi64): Ditto. * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT) (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT) (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT) (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT) (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT) (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT) (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT) (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT) (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT) (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT) (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT) (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT) (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT) (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT) (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT) (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT) (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT) (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT) (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT) (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT) (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT) (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT) (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT) (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT) (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT) (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT) (VOID_QI_V8DI_PCINT_INT_INT): Remove. (V16SF_V16SF_PCVOID_V16SI_HI_INT, V8DF_V8DF_PCVOID_V8SI_QI_INT) (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT) (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT) (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT) (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT) (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT) (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT) (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT) (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT) (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT) (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT) (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT) (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT) (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT) (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT) (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT) (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT) (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT) (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT) (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT) (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT) (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT) (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT) (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT) (VOID_QI_V8DI_PCVOID_INT_INT): Add. * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin definitions accordingly. 2017-01-17 Kito Cheng Kuan-Lin Chen PR target/79079 * internal-fn.c (expand_mul_overflow): Use convert_modes instead of gen_lowpart. 2017-01-17 Vladimir Makarov PR target/79058 * ira-conflicts.c (ira_build_conflicts): Update total conflict hard regs for inner regno. 2017-01-17 Martin Liska PR ipa/71207 * ipa-polymorphic-call.c (contains_type_p): Fix wrong assumption and add comment. 2017-01-17 Nathan Sidwell * ipa-visibility.c (localize_node): New function, broken out of ... (function_and_variable_visibility): ... here. Call it. 2017-01-17 Jan Hubicka PR middle-end/77445 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): correctly set frequency of oudgoing edge. (duplicate_thread_path): Fix profile updating. 2017-01-17 Jakub Jelinek PR other/79046 * configure.ac: Add GCC_BASE_VER. * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get version from BASE-VER file. (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s). (gcc.o): Depend on $(BASEVER). * common.opt (dumpfullversion): New option. * gcc.c (driver_handle_option): Handle OPT_dumpfullversion. * doc/invoke.texi: Document -dumpfullversion. * doc/install.texi: Document --with-gcc-major-version-only. * configure: Regenerated. 2017-01-17 Richard Biener PR tree-optimization/71433 * tree-vrp.c (register_new_assert_for): Merge same asserts on all incoming edges. (process_assert_insertions_for): Handle insertions at the beginning of BBs. 2017-01-17 Gerald Pfeifer * config/i386/cygwin.h (LIBGCJ_SONAME): Remove. * config/i386/mingw32.h (LIBGCJ_SONAME): Remove. 2017-01-17 Kaz Kojima PR target/78633 * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid RTL sharing. 2017-01-17 Alan Modra PR target/79066 * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic. * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow symbolic stack limit when pic. 2017-01-16 Martin Sebor PR tree-optimization/78608 * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN. 2017-01-16 Jeff Law Revert: 2016-12-02 Tadek Kijkowski * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection for several include directories that may be relative to sysroot. * config/i386/x-mingw32 (gplus_includedir): Define. (gplus_tool_includedir, gplus_backward_include_dir): Likewise. (native_system_includedir): Likewise. * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not override if TARGET_SYSTEM_ROOT is defined. (NATIVE_SYSTEM_HEADER_DIR): Likewise. PR tree-optimization/79090 PR tree-optimization/33562 PR tree-optimization/61912 PR tree-optimization/77485 * tree-ssa-dse.c (compute_trims): Accept STMT argument. Dump STMT and computed trims into the dump file. 2017-01-17 Uros Bizjak * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove. 2017-01-16 Jakub Jelinek PR c/79089 * gimplify.c (gimplify_init_constructor): If want_value and object == lhs, unshare lhs to avoid invalid tree sharing. Formatting fix. PR target/79080 * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on sequence. Formatting fixes. (doloop_optimize): Formatting fixes. PR driver/49726 * gcc.c (debug_level_greater_than_spec_func): New function. (static_spec_functions): Add debug-level-gt spec function. (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of !g0. * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise. * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise. * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames, gpubnames, ggnu-pubnames, gno-record-gcc-switches, grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs, gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag. 2017-01-16 Uros Bizjak * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and QImode fixups to general and mask registers only. 2017-01-16 Carl Love * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support for built-in functions vector signed char vec_nabs (vector signed char) vector signed short vec_nabs (vector signed short) vector signed int vec_nabs (vector signed int) vector signed long long vec_nabs (vector signed long long) vector float vec_nabs (vector float) vector double vec_nabs (vector double) * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions and NABS overload. * config/rs6000/altivec.md: New define_expand nabs2 types * config/rs6000/altivec.h: New define for vec_nabs built-in function. * doc/extend.texi: Update the documentation file for the new built-in functions. 2017-01-16 Martin Sebor * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning message. 2017-01-16 Bill Schmidt * config/rs6000/rs6000.c (rtx_is_swappable_p): Change UNSPEC_VSX__XXSPLTD to require special splat handling. 2017-01-16 David Malcolm PR bootstrap/78616 * system.h: Poison strndup. 2017-01-16 Alan Modra PR target/79098 * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't use a switch. 2017-01-16 Georg-Johann Lay * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4. 2017-01-15 Uros Bizjak * config/i386/i386.c (ix86_legitimate_combined_insn): Do not call recog here. Assert that INSN_CODE (insn) is non-negative. 2017-01-15 Segher Boessenkool PR target/72749 * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the fallthrough. * haifa-sched.c (dump_insn_stream): Don't crash if there is a label in the currently scheduled RTL fragment. 2017-01-15 Segher Boessenkool PR rtl-optimization/78751 * ifcvt.c (find_cond_trap): If we generated a non-existing insn, give up. 2017-01-14 Jeff Law PR tree-optimization/79090 * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and variable length stores. (compute_trims): Delete dead assignment to *trim_tail. (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with zero length. 2017-01-14 Bernd Schmidt PR rtl-optimization/78626 PR rtl-optimization/78727 * cprop.c (one_cprop_pass): Collect unconditional traps in the middle of a block, and split such blocks after everything else is finished. 2017-01-14 Alan Modra PR target/72749 * combine.c (recog_for_combine_1): Set INSN_CODE before calling target legitimate_combined_insn. * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define. (rs6000_legitimate_combined_insn): New function. * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove all uses. (ctr_internal3): Rename from *ctr_internal5. (ctr_internal4): Rename from *ctr_internal6. (ctr_internal1, ctr_internal2): Remove '*' from name. 2017-01-14 Gerald Pfeifer * doc/frontends.texi (G++ and GCC): Remove references to Java. 2017-01-13 Jeff Law PR tree-optimization/33562 PR tree-optimization/61912 PR tree-optimization/77485 * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than a statement. (delete_dead_assignment): Likewise. (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than statement to delete_dead_call and delete_dead_assignment. 2017-01-13 David Malcolm PR c/78304 * substring-locations.c (format_warning_va): Strengthen case 1 so that both endpoints of the substring must be within the format range for just the substring to be printed. 2017-01-13 Uros Bizjak * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable. * config/i386/i386.c (ix86_target_string): Add missing options to isa_opts and reorder options by implied ISAs. Rename isa_opts2 to isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to flags_other and ix86_target_other to flags2_other. Display unknown isa2 options. (ix86_valid_target_attribute_inner_p): Add missing options and reorder options by implied ISAs, as in ix86_target_string. 2017-01-13 Richard Sandiford * hash-table.h (hash_table::too_empty_p): New function. (hash_table::expand): Use it. (hash_table::traverse): Likewise. (hash_table::empty_slot): Use sizeof (value_type) instead of sizeof (PTR) to convert bytes to elements. Shrink the table if the current size is excessive for the current number of elements. 2017-01-13 Richard Sandiford * ira-costs.c (record_reg_classes): Break from the inner loop early once alt_fail is known to be true. Update outer loop handling accordingly. 2017-01-13 Jeff Law * tree-ssa-dse.c (decrement_count): New function. (increment_start_addr, maybe_trim_memstar_call): Likewise. (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly when we know the partially dead statement is a mem* function. PR tree-optimization/61912 PR tree-optimization/77485 * tree-ssa-dse.c: Include expr.h. (maybe_trim_constructor_store): New function. (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store. PR tree-optimization/33562 PR tree-optimization/61912 PR tree-optimization/77485 * doc/invoke.texi: Document new dse-max-object-size param. * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM. * tree-ssa-dse.c: Include params.h. (dse_store_status): New enum. (initialize_ao_ref_for_dse): New, partially extracted from dse_optimize_stmt. (valid_ao_ref_for_dse, normalize_ref): New. (setup_live_bytes_from_ref, compute_trims): Likewise. (clear_bytes_written_by, maybe_trim_complex_store): Likewise. (maybe_trim_partially_dead_store): Likewise. (maybe_trim_complex_store): Likewise. (dse_classify_store): Renamed from dse_possibly_dead_store_p. Track what bytes live from the original store. Return tri-state for dead, partially dead or live. (dse_dom_walker): Add constructor, destructor and new private members. (delete_dead_call, delete_dead_assignment): New extracted from dse_optimize_stmt. (dse_optimize_stmt): Make a member of dse_dom_walker. Use initialize_ao_ref_for_dse. PR tree-optimization/33562 PR tree-optimization/61912 PR tree-optimization/77485 * sbitmap.h (bitmap_count_bits): Prototype. (bitmap_clear_range, bitmap_set_range): Likewise. * sbitmap.c (bitmap_clear_range): New function. (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise. 2017-01-13 Martin Liska PR ipa/79043 * function.c (set_cfun): Add new argument force. * function.h (set_cfun): Likewise. * ipa-inline-transform.c (inline_call): Use the function when strict alising from is dropped for function we inline to. 2017-01-13 Richard Biener * tree-pretty-print.c (dump_generic_node): Fix inverted condition for dumping GIMPLE INTEGER_CSTs. 2017-01-13 Rainer Orth * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__ to 201112L since C++17. 2017-01-13 Maxim Ostapenko PR sanitizer/78887 * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators if -fsanitize=kernel-address is present. 2017-01-13 Richard Biener * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs as _Literal ( type ) number in case usual suffixes do not preserve all information. 2017-01-13 Richard Biener PR tree-optimization/77283 * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h and ssa-iterators.h. (is_feasible_trace): Implement a cost model based on joiner PHI node uses. 2017-01-12 Michael Meissner PR target/79004 * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting char or short to __float128/_Float128 directly. 2017-01-12 Martin Sebor to -Wformat-overflow. * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust. (min_bytes_remaining): Same. (get_string_length): Same. (format_string): Same. (format_directive): Same. (add_bytes): Same. (pass_sprintf_length::handle_gimple_call): Same. 2017-01-12 Jakub Jelinek * gimple-ssa-sprintf.c (try_substitute_return_value): Remove info.nowrite calls with no lhs that can't throw. Return bool whether gsi_remove has been called or not. (pass_sprintf_length::handle_gimple_call): Return bool whether try_substitute_return_value called gsi_remove. Formatting fix. (pass_sprintf_length::execute): Don't use gsi_remove if handle_gimple_call returned true. PR bootstrap/79069 * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't be removed due to side-effects, don't remove following barrier nor turn the successor edge into fallthru edge. 2017-01-12 Bill Schmidt PR target/79044 * config/rs6000/rs6000.c (insn_is_swappable_p): Mark element-reversing loads and stores as not swappable. 2017-01-12 Nathan Sidwell Nicolai Stange * combine.c (try_combine): Don't ignore result of overlap checking loop. Combine overlap & asm check into single loop. 2017-01-12 Richard Biener * tree-pretty-print.c (dump_generic_node): Provide -gimple variant for MEM_REF. Sanitize INTEGER_CST for -gimple. 2017-01-12 Richard Biener * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION and TS_TARGET_OPTION directly derive from TS_BASE. * tree-core.h (tree_optimization_option): Derive from tree_base. (tree_target_option): Likewise. 2017-01-11 Uros Bizjak * config/i386/i386.c (memory_address_length): Increase len only when rip_relative_addr_p returns false. 2017-01-11 Julia Koval * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New. (OPTION_MASK_ISA_SGX_SET): New. (ix86_handle_option): Handle OPT_msgx. * config.gcc: Added sgxintrin.h. * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx. * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__. * config/i386/i386.c (ix86_target_string): Add -msgx. (PTA_SGX): New. (ix86_option_override_internal): Handle new options. (ix86_valid_target_attribute_inner_p): Add sgx. * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New. * config/i386/i386.opt: Add msgx. * config/i386/sgxintrin.h: New file. * config/i386/x86intrin.h: Add sgxintrin.h. 2017-01-11 Jakub Jelinek PR c++/71537 * fold-const.c (maybe_nonzero_address): Return 1 for function local objects. (tree_single_nonzero_warnv_p): Don't handle function local objects here. PR c++/72813 * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps of c-header. 2017-01-11 David Malcolm PR driver/78877 * opts.c: Include "spellcheck.h" (struct string_fragment): New struct. (struct edit_distance_traits): New struct. (get_closest_sanitizer_option): New function. (parse_sanitizer_options): Offer suggestions for unrecognized arguments. 2017-01-11 Jakub Jelinek * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease by 12. (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always DWARF_COMPILE_UNIT_HEADER_SIZE plus 12. (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define. (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for initial die_offset if dwarf_split_debug_info. (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for initial next_die_offset if dwo_id is non-NULL. Don't emit padding fields. (output_skeleton_debug_sections): Formatting fix. Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of DWARF_COMPILE_UNIT_HEADER_SIZE. Don't emit padding. 2017-01-11 Wilco Dijkstra * config/arm/cortex-a53.md: Add bypasses for cortex_a53_r2f_cvt. (cortex_a53_r2f): Only use for transfers. (cortex_a53_f2r): Likewise. (cortex_a53_r2f_cvt): Add reservation for conversions. (cortex_a53_f2r_cvt): Likewise. 2017-01-11 Tamar Christina * config/arm/arm_neon.h: Add __artificial__ and gnu_inline to all inlined functions, change static to extern. 2017-01-11 Christophe Lyon PR target/78253 * config/arm/arm.c (legitimize_pic_address): Handle reference to weak symbol. (arm_assemble_integer): Likewise. 2017-01-11 Richard Earnshaw * config.gcc: Use new awk script to check CPU, FPU and architecture parameters for --with-... options. * config/arm/parsecpu.awk: New file * config/arm/arm-cpus.in: New file. * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def files. * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def files. * config/arm/t-arm: Update dependency rules. * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead of processing .def files. * config/arm/genopt.sh: Deleted. * config/arm/gentune.sh: Deleted. * config/arm/arm-cores.def: Deleted. * config/arm/arm-arches.def: Deleted. * config/arm/arm-fpus.def: Deleted. * config/arm/arm-tune.md: Regenerated. * config/arm/arm-tables.opt: Regenerated. * config/arm/arm-cpu.h: New generated file. * config/arm/arm-cpu-data.h: New generated file. * config/arm/arm-cpu-cdata.h: New generated file. 2017-01-11 Maxim Ostapenko PR lto/79042 * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized bit. (input_varpool_node): Unpack dynamically_initialized bit. 2017-01-11 Eric Botcazou PR rtl-optimization/79032 * lra-constraints.c (simplify_operand_subreg): In the MEM case, test the alignment of the adjusted memory reference against that of MODE, instead of the alignment of the original memory reference. 2017-01-11 Martin Jambor * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL test. * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial decorated functions. 2017-01-11 Richard Biener * tree-vrp.c (evrp_dom_walker::before_dom_children): Also set range/nonnull info for PHI results. Do not set it on stmts marked for removal. 2017-01-10 Eric Botcazou * expr.c (store_field): In the bitfield case, fetch the return value from the registers before applying a single big-endian adjustment. Always do a final load for a BLKmode value not larger than a word. 2017-01-10 David Malcolm PR c++/77949 * input.c (selftest::test_accessing_ordinary_linemaps): Verify that we correctly handle column numbers greater than LINE_MAP_MAX_COLUMN_NUMBER. 2017-01-10 Martin Sebor PR middle-end/78245 * gimple-ssa-sprintf.c (get_destination_size): Call {init,fini}object_sizes. * tree-object-size.c (addr_object_size): Adjust. (pass_through_call): Adjust. (pass_object_sizes::execute): Adjust. * tree-object-size.h (fini_object_sizes): Declare. 2017-01-10 Martin Sebor PR tree-optimization/78775 * builtins.c (get_size_range): Move... * calls.c: ...to here. (alloc_max_size): Accept zero argument. (operand_signed_p): Remove. (maybe_warn_alloc_args_overflow): Call get_size_range. * calls.h (get_size_range): Declare. 2017-01-10 Joe Seymour * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data from TI's devices.csv file as of September 2016. * config/msp430/msp430.c (msp430_mcu_data): Likewise. 2017-01-10 Sandra Loosemore * doc/extend.texi: Tweak formatting to fix overfull hbox warnings. * doc/invoke.texi: Likewise. * doc/md.texi: Likewise. * doc/objc.texi: Likewise. 2017-01-10 Joshua Conner * config/arm/fuchsia-elf.h: New file. * config/fuchsia.h: New file. * config.gcc (*-*-fuchsia*): Set native_system_header_dir. (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to targets. * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts. 2016-01-10 Richard Biener PR tree-optimization/79034 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Propagate out degenerate PHIs in the joiner. 2017-01-10 Martin Liska * ipa-icf.c (sort_sem_items_by_decl_uid): New function. (sort_congruence_classes_by_decl_uid): Likewise. (sort_congruence_class_groups_by_decl_uid): Likewise. (sem_item_optimizer::merge_classes): Sort class, groups in these classes and members in the groups by DECL_UID of declarations. This would make merge operations stable. 2017-01-10 Martin Liska * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove usage of m_classes_vec. (sem_item_optimizer::~sem_item_optimizer): Likewise. (sem_item_optimizer::get_group_by_hash): Likewise. (sem_item_optimizer::subdivide_classes_by_equality): Likewise. (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise. (sem_item_optimizer::verify_classes): Likewise. (sem_item_optimizer::process_cong_reduction): Likewise. (sem_item_optimizer::dump_cong_classes): Likewise. (sem_item_optimizer::merge_classes): Likewise. * ipa-icf.h (congruence_class_hash): Rename from congruence_class_group_hash. Remove declaration of m_classes_vec. 2017-01-10 Andrew Senkevich * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET, OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New. * config.gcc: Add avx512vpopcntdqintrin.h. * config/i386/avx512vpopcntdqintrin.h: New. * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New. * config/i386/i386-builtin-types.def: Add new types. * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si, __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di, __builtin_ia32_vpopcountq_v8di_mask): New. * config/i386/i386-c.c (ix86_target_macros_internal): Define __AVX512VPOPCNTDQ__. * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq. (PTA_AVX512VPOPCNTDQ): Define. * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ, TARGET_AVX512VPOPCNTDQ_P): Define. * config/i386/i386.opt: Add mavx512vpopcntdq. * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h. * config/i386/sse.md (define_insn "vpopcount"): New. 2017-01-01 Jan Hubicka PR middle-end/77484 * predict.def (PRED_CALL): Set to 67. 2017-01-09 Eric Botcazou * expr.c (store_field): In the bitfield case, if the value comes from a function call and is of an aggregate type returned in registers, do not modify the field mode; extract the value in all cases if the mode is BLKmode and the size is not larger than a word. 2017-01-09 Dominique d'Humieres PR target/71017 * config/i386/cpuid.h: Fix undefined behavior. 2017-01-04 Jeff Law PR tree-optimization/79007 PR tree-optimization/67955 * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be conservative for pt.null when flag_non_call_exceptions is on. 2017-01-09 Jakub Jelinek PR translation/79019 PR translation/79020 * params.def (PARAM_INLINE_MIN_SPEEDUP, PARAM_IPA_CP_SINGLE_CALL_PENALTY, PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos in descriptions. * config/avr/avr.opt (maccumulate-args): Likewise. * config/msp430/msp430.opt (mwarn-mcu): Likewise. * common.opt (freport-bug): Likewise. * cif-code.def (CIF_FINAL_ERROR): Likewise. * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise. * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in translatable string. * config/i386/i386.c (function_value_32): Likewise. * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise. * config/msp430/msp430.c (msp430_option_override, msp430_attr): Likewise. * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise. * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise. * symtab.c (symtab_node::verify_base): Likewise. * opts.c (set_debug_level): Likewise. * tree.c (verify_type_variant): Likewise. Fix typo in comment. * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add missing whitespace to translatable strings. * config/avr/avr.md (bswapsi2): Fix typo in comment. * config/sh/superh.h: Likewise. * config/i386/xopintrin.h: Likewise. * config/i386/znver1.md: Likewise. * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise. * ipa-inline-analysis.c (compute_inline_parameters): Likewise. * double-int.h (struct double_int): Likewise. * double-int.c (div_and_round_double): Likewise. * wide-int.cc: Likewise. * tree-ssa.c (non_rewritable_mem_ref_base): Likewise. * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise. * cfgcleanup.c (crossjumps_occured): Renamed to ... (crossjumps_occurred): ... this. (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg): Adjust all uses. PR tree-optimization/78899 * tree-if-conv.c (version_loop_for_if_conversion): Instead of returning bool return struct loop *, NULL for failure and the new loop on success. (versionable_outer_loop_p): Don't version outer loop if it has dont_vectorized bit set. (tree_if_conversion): When versioning outer loop, ensure tree_if_conversion is performed also on the inner loop of the non-vectorizable outer loop copy. * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix. Fold LOOP_VECTORIZED in inner loop of the scalar outer loop and prevent vectorization of it. (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure the outer loop vectorization of the non-scalar version is attempted before vectorization of the inner loop in scalar version. If outer LOOP_VECTORIZED guarded loop is not vectorized, prevent vectorization of its inner loop. * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop has 2 inner loops, rename also on edges from bb whose single pred is outer_loop->header. Fix typo in function comment. 2017-01-09 Martin Sebor PR bootstrap/79033 * asan.c (asan_emit_stack_protection): Increase local buffer size to avoid snprintf truncation warning. 2017-01-09 Andrew Pinski * config/aarch64/aarch64-cores.def: Add thunderx2t99. Change vulcan to reference thunderx2t99 for the tuning structure * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs): Rename to ... (thunderx2t99_extra_costs): This. * config/aarch64/aarch64-tune.md: Regenerate. * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ... (vulcan_addrcost_table): This. (vulcan_regmove_cost): Rename to ... (thunderx2t99_regmove_cost): This. (vulcan_vector_cost): Rename to ... (thunderx2t99_vector_cost): this. (vulcan_branch_cost): Rename to ... (thunderx2t99_branch_cost): This. (vulcan_tunings): Rename to ... (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 . * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99. 2017-01-09 Martin Jambor PR ipa/78365 PR ipa/78599 * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr. * ipa-cp.c (ipa_vr_operation_and_type_effects): New function. (propagate_vr_accross_jump_function): Use the above function for all value range computations for pass-through jump functions and type converasion from explicit value range values. (ipcp_propagate_stage): Do not attempt to deduce types of formal parameters from TYPE_ARG_TYPES. * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace. (ipa_write_node_info): Stream type of the actual argument. (ipa_read_node_info): Likewise. Also remove trailing whitespace. 2017-01-09 Martin Liska PR pch/78970 * gcc.c (driver_handle_option): Handle OPT_E and set have_E. (lookup_compiler): Do not show error message with have_E. 2017-01-09 Jakub Jelinek PR tree-optimization/78938 * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR. Formatting fixes. 2017-01-09 Kyrylo Tkachov * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it is const0_rtx. 2017-01-09 Richard Biener PR tree-optimization/78997 * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA name condition properly. 2017-01-09 Richard Biener PR debug/79000 * dwarf2out.c (is_cxx): New overload with context. (is_naming_typedef_decl): Use it. 2017-01-08 Sandra Loosemore * invoke.texi (Option Summary): Correct spacing in option lists and add line breaks to fix over-long lines. 2017-01-08 Sandra Loosemore PR middle-end/17660 * extend.texi (Common Variable Attributes): Add xref to GCC Internals manual to explain mode attribute keywords. 2017-01-08 Sandra Loosemore PR other/16519 * doc/invoke.texi (Option Summary): Move -pthread to Linker Options and Preprocessor Options. (Options for Linking): Document -pthread here.... (RS/6000 and PowerPC Options): ...not here. (Solaris 2 Options): ...or here. * doc/cppopts.texi: Document -pthread. 2017-01-08 Martin Sebor PR middle-end/77708 * doc/invoke.texi (Warning Options): Document -Wformat-truncation. * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt): New member functions. (format_directive): Used them. (add_bytes): Same. (pass_sprintf_length::handle_gimple_call): Same. * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size to avoid truncation for any argument. (extract_affine_mul): Same. * tree.c (get_file_function_name): Same. 2017-01-01 Jan Hubicka PR middle-end/77484 * predict.def (PRED_INDIR_CALL): Set to 86. 2017-01-07 Sandra Loosemore PR preprocessor/54124 * doc/cppopts.texi: Reformat -d subtable to list the full name of the options. Add cross-reference to the docs for the general compiler -d options. * doc/invoke.texi (Developer Options): Add cross-reference to the preprocessor-specific -d option documentation. 2017-01-07 Sandra Loosemore PR preprocessor/13498 * doc/cpp.texi (Search Path): Rewrite to remove obsolete and redudant material, and reflect new command-line options. (System Headers): Likewise. 2017-01-07 Sandra Loosemore * doc/cppdiropts.texi: Merge documentation of -I, -iquote, -isystem, and -idirafter. Copy-edit. * doc/cppopts.texi: Copy-edit. Remove contradiction about default for -ftrack-macro-expansion. Delete obsolete and badly-formatted implementation details about -fdebug-cpp output. * doc/cppwarnopts.texi: Copy-edit. 2017-01-07 David Malcolm PR c++/72803 * input.c (selftest::test_accessing_ordinary_linemaps): Verify that the transition from a max line width >= 1<<10 to narrower lines works correctly. 2017-01-07 Alexandre Oliva * doc/options.texi (PerFunction): New. * opt-functions.awk (switch_flags): Map both Optimization and PerFunction to CL_OPTIMIZATION. * opth-gen.awk: Test for PerFunction flag along with Optimization. * optc-save-gen.awk: Likewise. Introduce var_opt_hash and set it only when the latter is present. Skip those that don't in the hash function generator. * common.opt (fvar-tracking): Mark as PerFunction instead of Optimization. (fvar-tracking-assignments): Likewise. (fvar-tracking-assignments-toggle): Likewise. (fvar-tracking-uninit): Likewise. 2017-01-07 Jakub Jelinek PR translation/79018 * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between the and store. 2017-01-06 Mikael Pettersson PR target/57583 * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option. * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle TARGET_LONG_JUMP_TABLE_OFFSETS. * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise. * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise. * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise. (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise. * config/m68k/m68k.md (tablejump expander): Likewise. (*tablejump_pcrel_hi): Renamed from unnamed insn, reject TARGET_LONG_JUMP_TABLE_OFFSETS. (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS. * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets. 2017-01-06 Edgar E. Iglesias David Holsgrove * common/config/microblaze/microblaze-common.c (TARGET_EXCEPT_UNWIND_INFO): Remove. * config/microblaze/microblaze-protos.h (microblaze_eh_return): New prototype. * config/microblaze/microblaze.c (microblaze_must_save_register) (microblaze_expand_epilogue, microblaze_return_addr): Handle calls_eh_return. (microblaze_eh_return): New function. * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET) (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM) (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros. * config/microblaze/microblaze.md (eh_return): New pattern. 2017-01-06 Jakub Jelinek * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP, GCC_DIAGNOSTIC_STRINGIFY): Define. * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning. 2017-01-06 Andre Vieira * config/arm/arm.md (): New. (): New. * config/arm/arm.c (arm_arch5te): New. (arm_option_override): Set arm_arch5te. (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc and mrrc2. * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to... (arm_mcrr_qualifiers): ... this. New. (MRRC_QUALIFIERS): Define to... (arm_mrrc_qualifiers): ... this. New. * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc, __arm_mrrc2): New. * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New. * config/arm/iterators.md (MCRRI, mcrr, MCRR): New. (MRRCI, mrrc, MRRC): New. * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC, VUNSPEC_MRRC2): New. 2017-01-06 Andre Vieira * config/arm/arm.md (): New. (): New. * config/arm/arm.c (arm_coproc_builtin_available): Add support for mcr, mrc, mcr2 and mrc2. * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to... (arm_mcr_qualifiers): ... this. New. (MRC_QUALIFIERS): Define to ... (arm_mrc_qualifiers): ... this. New. (MCR_QUALIFIERS): Define to ... (arm_mcr_qualifiers): ... this. New. * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2, __arm_mrc2): New. * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New. * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New. * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC, VUNSPEC_MRC2): New. 2017-01-06 Andre Vieira * config/arm/arm.md (*ldc): New. (*stc): New. (): New. (): New. * config/arm/arm.c (arm_coproc_builtin_available): Add support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l. (arm_coproc_ldc_stc_legitimate_address): New. * config/arm/arm-builtins.c (arm_type_qualifiers): Add 'qualifier_const_pointer'. (LDC_QUALIFIERS): Define to... (arm_ldc_qualifiers): ... this. New. (STC_QUALIFIERS): Define to... (arm_stc_qualifiers): ... this. New. * config/arm/arm-protos.h (arm_coproc_ldc_stc_legitimate_address): New. * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc, __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New. * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc, stc2, stcl, stc2l): New. * config/arm/constraints.md (Uz): New. * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New. * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL, VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL, VUNSPEC_STC2L): New. 2017-01-06 Andre Vieira * config/arm/arm.md (): New. * config/arm/arm.c (neon_const_bounds): Rename this ... (arm_const_bounds): ... this. (arm_coproc_builtin_available): New. * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase. (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'. (CDP_QUALIFIERS): Define to... (arm_cdp_qualifiers): ... this. New. (void_UP): Define. (arm_expand_builtin_args): Add case for 6 arguments. * config/arm/arm-protos.h (neon_const_bounds): Rename this ... (arm_const_bounds): ... this. (arm_coproc_builtin_available): New. * config/arm/arm_acle.h (__arm_cdp): New. (__arm_cdp2): New. * config/arm/arm_acle_builtins.def (cdp): New. (cdp2): New. * config/arm/iterators.md (CDPI,CDP,cdp): New. * config/arm/neon.md: Rename all 'neon_const_bounds' to 'arm_const_bounds'. * config/arm/types.md (coproc): New. * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New. * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics. * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok, arm_coproc3_ok, arm_coproc4_ok): Document new effective targets. 2017-01-06 Andre Vieira * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New. (UBINOP_QUALIFIERS): New. (si_UP): Define. (acle_builtin_data): New. Change comment. (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H, ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH, ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include arm_acle_builtins.def. (ARM_BUILTIN_ACLE_PATTERN_START): Define. (arm_init_acle_builtins): New. (CRC32_BUILTIN): Remove. (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w, crc32cb, crc32ch and crc32cw. (arm_init_crc32_builtins): Remove. (arm_init_builtins): Use arm_init_acle_builtins rather than arm_init_crc32_builtins. (arm_expand_acle_builtin): New. (arm_expand_builtin): Use 'arm_expand_acle_builtin'. * config/arm/arm_acle_builtins.def: New. 2017-01-06 Andre Vieira * config/arm/arm-builtins.c (neon_builtin_datum): Rename to .. (arm_builtin_datum): ... this. (arm_init_neon_builtin): Rename to ... (arm_init_builtin): ... this. Add a new parameters PREFIX and USE_SIG_IN_NAME. (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with 'arm_init_builtin'. Replace type 'neon_builtin_datum' with 'arm_builtin_datum'. (arm_init_vfp_builtins): Likewise. (builtin_arg): Rename enum's replacing 'NEON_ARG' with 'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY. (arm_expand_neon_args): Rename to ... (arm_expand_builtin_args): ... this. Rename builtin_arg enum values and differentiate between ARG_BUILTIN_MEMORY and ARG_BUILTIN_NEON_MEMORY. (arm_expand_neon_builtin_1): Rename to ... (arm_expand_builtin_1): ... this. Rename builtin_arg enum values, arm_expand_builtin_args and add bool parameter NEON. (arm_expand_neon_builtin): Use arm_expand_builtin_1. (arm_expand_vfp_builtin): Likewise. (NEON_MAX_BUILTIN_ARGS): Remove, it was unused. 2017-01-01 Jan Hubicka PR middle-end/77484 * predict.def (PRED_POLYMORPHIC_CALL): Set to 59. * predict.c (tree_estimate_probability_bb): Reverse direction of polymorphic call predictor. 2017-01-06 David Malcolm * passes.c (execute_one_pass): Split out pass-skipping logic into... (determine_pass_name_match): ...this new function and... (should_skip_pass_p): ...this new function. 2017-01-06 Nathan Sidwell * ipa-visibility.c (function_and_variable_visibility): Reformat comments and long lines. Remove extrneous if. * symtab.c (symtab_node::make_decl_local): Fix code format. (symtab_node::set_section_for_node): Fix comment typo. 2017-01-06 Martin Liska PR bootstrap/79003 * lra-constraints.c: Rename invariant to lra_invariant. * predict.c (set_even_probabilities): Initialize e to NULL. 2017-01-05 Martin Sebor PR tree-optimization/78910 * gimple-ssa-sprintf.c (tree_digits): Add an argument. (format_integer): Correct off-by-one error in the handling of precision with negative numbers in signed conversions.. 2017-01-05 Eric Botcazou * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry. 2017-01-05 Jakub Jelinek PR tree-optimization/71016 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to factor_out_conditional_conversion. Formatting fix. (factor_out_conditional_conversion): Add cond_stmt argument. If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of cond_stmt and if arg0_def_stmt is not the only stmt in its bb. Formatting fix. 2017-01-05 David Malcolm * Makefile.in (OBJS): Add read-md.o, read-rtl.o, read-rtl-function.o, and selftest-rtl.o. * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h. (selftest::aarch64_test_loading_full_dump): New function. (selftest::aarch64_run_selftests): New function. (TARGET_RUN_TARGET_SELFTESTS): Wire it up to selftest::aarch64_run_selftests. * config/i386/i386.c (selftest::ix86_test_loading_dump_fragment_1): New function. (selftest::ix86_test_loading_call_insn): New function. (selftest::ix86_test_loading_full_dump): New function. (selftest::ix86_test_loading_unspec): New function. (selftest::ix86_run_selftests): Call the new functions. * emit-rtl.c (maybe_set_max_label_num): New function. * emit-rtl.h (maybe_set_max_label_num): New decl. * function.c (instantiate_decls): Guard call to instantiate_decls_1 with if (DECL_INITIAL (fndecl)). * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove "static". * gensupport.c (gen_reader::gen_reader): Pass "false" for new "compact" param of rtx_reader. * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)" rather than an empty string for NULL strings. * read-md.c: Potentially include config.h rather than bconfig.h. Wrap include of errors.h with #ifdef GENERATOR_FILE. (have_error): New global, copied from errors.c. (md_reader::read_name): Rename to... (md_reader::read_name_1): ...this, adding "out_loc" param, and converting "missing name or number" to returning false, rather than failing. (md_reader::read_name): Reimplement in terms of read_name_1. (md_reader::read_name_or_nil): New function. (md_reader::read_string): Handle "(nil)" by returning NULL. (md_reader::md_reader): Add new param "compact". (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE. (md_reader::read_file): New method. * read-md.h (md_reader::md_reader): Add new param "compact". (md_reader::read_file): New method. (md_reader::is_compact): New accessor. (md_reader::read_name): Convert return type from void to file_location. (md_reader::read_name_or_nil): New decl. (md_reader::read_name_1): New decl. (md_reader::m_compact): New field. (noop_reader::noop_reader): Pass "false" for new "compact" param of rtx_reader. (rtx_reader::rtx_reader): Add new "compact" param. (rtx_reader::read_rtx_operand): Make virtual and convert return type from void to rtx. (rtx_reader::read_until): New decl. (rtx_reader::handle_any_trailing_information): New virtual function. (rtx_reader::postprocess): New virtual function. (rtx_reader::finalize_string): New virtual function. (rtx_reader::m_in_call_function_usage): New field. (rtx_reader::m_reuse_rtx_by_id): New field. * read-rtl-function.c: New file. * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function. * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro. (selftest::verify_three_block_rtl_cfg): New decl. * read-rtl-function.h: New file. * read-rtl.c: Potentially include config.h rather than bconfig.h. For host, include function.h, memmodel.h, and emit-rtl.h. (one_time_initialization): New function. (struct compact_insn_name): New struct. (compact_insn_names): New array. (find_code): Handle insn codes in compact dumps. (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE. (bind_subst_iter_and_attr): Likewise. (add_condition_to_string): Likewise. (add_condition_to_rtx): Likewise. (apply_attribute_uses): Likewise. (add_current_iterators): Likewise. (apply_iterators): Likewise. (initialize_iterators): Guard usage of apply_subst_iterator with #ifdef GENERATOR_FILE. (read_conditions): Wrap with #ifdef GENERATOR_FILE. (md_reader::read_mapping): Likewise. (add_define_attr_for_define_subst): Likewise. (add_define_subst_attr): Likewise. (read_subst_mapping): Likewise. (check_code_iterator): Likewise. (rtx_reader::read_rtx): Likewise. Move one-time initialization logic to... (one_time_initialization): New function. (rtx_reader::read_until): New method. (read_flags): New function. (parse_reg_note_name): New function. (rtx_reader::read_rtx_code): Initialize "iterator" to NULL. Handle reuse_rtx ids. Wrap iterator lookup within #ifdef GENERATOR_FILE. Add parsing support for RTL dumps, mirroring the special-cases in print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID values, and calling handle_any_trailing_information. (rtx_reader::read_rtx_operand): Convert return type from void to rtx, returning return_rtx. Handle case 'e'. Call finalize_string on XSTR and XTMPL fields. (rtx_reader::read_nested_rtx): Handle dumps in which trailing "(nil)" values were omitted. Call the postprocess vfunc on the return_rtx. (rtx_reader::rtx_reader): Add new "compact" param and pass to base class ctor. Initialize m_in_call_function_usage. Call one_time_initialization. * rtl-tests.c (selftest::test_uncond_jump): Call set_new_first_and_last_insn. * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE. * selftest-rtl.c: New file. * selftest-rtl.h (class selftest::rtl_dump_test): New class. (selftest::get_insn_by_uid): New decl. * selftest-run-tests.c (selftest::run_tests): Call read_rtl_function_c_tests. * selftest.h (selftest::read_rtl_function_c_tests): New decl. * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function dumps. 2017-01-05 Uros Bizjak * config/i386/i386.md (*testqi_ext_3): No need to handle memory operands in a special way. Assert that pos+len <= mode precision. 2017-01-05 Jakub Jelinek * common.opt (fvect-cost-model): Remove RejectNegative flag, use 3 argument Alias with unlimited for the negative form. (fno-vect-cost-model): Removed. 2017-01-05 Martin Liska * hsa-gen.c (gen_hsa_divmod): New function. (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD. 2017-01-05 Martin Liska PR pch/78970 * gcc.c (lookup_compiler): Reject '-' filename for a precompiled header. 2017-01-05 Andreas Krebbel * config/s390/s390.c (s390_expand_setmem): Unroll the loop for small constant length operands. 2017-01-05 Andreas Krebbel * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes between loop iterations. 2017-01-05 Martin Liska PR sanitizer/78815 * gimplify.c (gimplify_decl_expr): Compare to asan_poisoned_variables instread of checking flags. (gimplify_target_expr): Likewise. (gimplify_expr): Likewise. (gimplify_function_tree): Conditionally initialize asan_poisoned_variables. 2017-01-04 Jeff Law PR tree-optimizatin/78812 * rtl.h (contains_mem_rtx_p): Prototype. * ifcvt.c (containts_mem_rtx_p): Move from here to... * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage. * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover and prune MEMs that are not at the toplevel of a SET_SRC rtx. Look through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs. 2017-01-04 Alexandre Oliva * input.c (assert_char_at_range): Default-initialize actual_range. 2017-01-04 Alexandre Oliva * df-scan.c (df_ref_create_structure): Make regno unsigned, to match the caller. 2017-01-04 Alexandre Oliva * cfgexpand.c (expand_gimple_basic_block): Disregard debug insns after final jump in test to emit dummy move. 2017-01-04 Alexandre Oliva * gimple-iterator.h (gsi_one_nondebug_before_end_p): New. * tree-eh.c (cleanup_empty_eh): Skip more debug stmts. 2017-01-04 Alexandre Oliva * multiple_target.c (create_dispatcher_calls): Init e_next. * tree-ssa-loop-split.c (split_loop): Init border. * tree-vect-loop.c (vect_determine_vectorization_factor): Init scalar_type. 2017-01-04 Michael Meissner PR target/71977 PR target/70568 PR target/78823 * config/rs6000/predicates.md (sf_subreg_operand): New predicate. (altivec_register_operand): Do not return true if the operand contains a SUBREG mixing SImode and SFmode. (vsx_register_operand): Likewise. (vsx_reg_sfsubreg_ok): New predicate. (vfloat_operand): Do not return true if the operand contains a SUBREG mixing SImode and SFmode. (vint_operand): Likewise. (vlogical_operand): Likewise. (gpc_reg_operand): Likewise. (int_reg_operand): Likewise. * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration. * config/rs6000/rs6000.c (valid_sf_si_move): New function to determine if a MOVSI or MOVSF operation contains SUBREGs that mix SImode and SFmode. (rs6000_emit_move_si_sf_subreg): New helper function. (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily fixup SUBREGs involving SImode and SFmode. * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand numbers for the new peephole2 optimization. (peephole2 for SFmode unions): New peephole2 to optimize cases in the GLIBC math library that do AND/IOR/XOR operations on single precision floating point. * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal target macros to say whether we need to avoid SUBREGs mixing SImode and SFmode. (TARGET_ALLOW_SF_SUBREG): Likewise. * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs. (UNSPEC_SI_FROM_SF): Likewise. (iorxor): Change spacing. (and_ior_xor): New iterator for AND, IOR, and XOR. (movsi_from_sf): New insns for SImode/SFmode SUBREG support. (movdi_from_sf_zero_ext): Likewise. (mov_hardfloat, FMOVE32 iterator): Use register_operand instead of gpc_reg_operand. Add SImode/SFmode SUBREG support. (movsf_from_si): New insn for SImode/SFmode SUBREG support. (fma4): Use gpc_reg_operand instead of register_operand. (fms4): Likewise. (fnma4): Likewise. (fnms4): Likewise. (nfma4): Likewise. (nfms4): Likewise. 2017-01-04 Marek Polacek PR c++/64767 * doc/invoke.texi: Document -Wpointer-compare. 2017-01-04 Jakub Jelinek * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without RejectNegative. * dwarf2out.c (output_loc_list): Don't throw away 64K+ location descriptions for -gdwarf-5 and emit them as uleb128 instead of 2-byte data. 2017-01-04 Kelvin Nilsen PR target/78056 * doc/sourcebuild.texi (PowerPC-specific attributes): Add documentation of the powerpc_popcntb_ok attribute. * config/rs6000/rs6000.c (rs6000_option_override_internal): Add code to issue warning messages if a requested CPU configuration is not supported by the binary (assembler and loader) toolchain. (spe_init_builtins): Add two assertions to prevent ICE if attempt is made to define a built-in function that has been disabled. (paired_init_builtins): Add assertion to prevent ICE if attempt is made to define a built-in function that has been disabled. (altivec_init_builtins): Add comment explaining why definition of the DST built-in functions is not preceded by an assertion check. Add assertions to prevent ICE if attempts are made to define an altivec predicate or an abs* built-in function that has been disabled. (htm_init_builtins): Add comment explaining why definition of the htm built-in functions is not preceded by an assertion check. 2017-01-04 Jeff Law PR tree-optimizatin/67955 * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first. Allow any SSA_VAR_P as the base objects. Use integer_zerop. Verify the points-to solution does not include pt_null. Use DECL_PT_UID unconditionally. 2017-01-04 Uros Bizjak * config/i386/i386.md (HI/SImode test with imm to QImode splitters): Use gen_int_mode instead of gen_lopwart for const_int operands. 2017-01-04 Jakub Jelinek PR tree-optimization/71563 * match.pd: Simplify X << Y into X if Y is known to be 0 or out of range value - has low bits known to be zero. 2017-01-04 Alan Modra * Makefile.in (aclocal_deps): Update and order as per aclocal.m4. * configure: Regenerate. * config.in: Regenerate. 2017-01-04 Jakub Jelinek PR bootstrap/77569 * input.c (ebcdic_execution_charset::on_error): Don't use strstr for a substring of the message, but strcmp with the whole message. Ifdef ENABLE_NLS, translate the message first using dgettext. 2017-01-03 Jeff Law PR tree-optimizatin/78856 * tree-ssa-threadupdate.c: Include tree-vectorizer.h. (mark_threaded_blocks): Remove code to truncate thread paths that cross multiple loop headers. Instead invalidate the cached loop iteration information and handle case of a thread path walking into an irreducible region. 2017-01-03 Michael Meissner PR target/78900 * config/rs6000/rs6000.c (rs6000_split_signbit): Change some assertions. Add support for doing the signbit if the IEEE 128-bit floating point value is in a GPR. * config/rs6000/rs6000.md (Fsignbit): Delete. (signbit2_dm): Delete using and just use "wa". Update the length attribute if the value is in a GPR. (signbit2_dm_ext): Add combiner pattern to eliminate the sign or zero extension instruction, since the value is always 0/1. (signbit2_dm2): Delete using . PR target/78953 * config/rs6000/vsx.md (vsx_extract__store_p9): If we are extracting SImode to a GPR register so that we can generate a store, limit the vector to be in a traditional Altivec register for the vextuwrx instruction. 2017-01-03 Ian Lance Taylor * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE. 2017-01-03 Martin Sebor PR tree-optimization/78696 * gimple-ssa-sprintf.c (format_floating): Correct handling of precision. Use MPFR for %f for greater fidelity. Correct handling of %g. (pass_sprintf_length::compute_format_length): Set width and precision specified by asrerisk to void_node for vararg functions. (try_substitute_return_value): Adjust dump output. 2017-01-03 David Edelsohn * doc/invoke.texi (RS6000 options): LRA is enabled by default. 2017-01-03 Eric Botcazou * doc/invoke.texi (SPARC options): Document -mlra as the default. * config/sparc/sparc.c (sparc_option_override): Force LRA unless -mlra/-mno-lra was passed to the compiler. 2017-01-03 James Cowgill PR rtl-optimization/65618 * emit-rtl.c (try_split): Move initialization of "before" and "after" to just before the call to emit_insn_after_setloc. 2017-01-03 Gerald Pfeifer * doc/md.texi (Standard Names): Remove reference to Java frontend. 2017-01-03 Pierre-Marie de Rodat * dwarf2out.c (gen_enumeration_type_die): When -gno-strict-dwarf, add a DW_AT_encoding attribute. 2017-01-03 Jakub Jelinek PR tree-optimization/78965 * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length): Change first argument from const call_info & to call_info &. For %n set info.nowrite to false. PR middle-end/78901 * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change possibly throwing calls. * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs and fns handling, rather than in a separate case SSA_NAME. 2017-01-02 Jeff Law * config/darwin-driver.c (darwin_driver_init): Const-correctness fixes for first_period and second_period variables. 2017-01-02 Uros Bizjak PR target/78967 * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec. (*insvqi_1): New insn pattern. (*insvqi_1_mem_rex64): Ditto. (*insvqi_2): Ditto. (*insvqi_3): Rename from *insvqi. (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag. 2017-01-02 Gerald Pfeifer * doc/cfg.texi (Edges): Remove reference to Java. (Maintaining the CFG): Ditto. 2017-01-01 Jan Hubicka PR middle-end/77674 * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of transparent aliases. 2017-01-01 Jan Hubicka PR middle-end/77484 * predict.def (PRED_CALL): Update hitrate. (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors. * predict.c (tree_estimate_probability_bb): Split CALL predictor into direct/indirect/polymorphic variants. 2017-01-01 Jakub Jelinek Update copyright years. * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. Copyright (C) 2017 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.