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authorRichard Sandiford <richard.sandiford@arm.com>2019-09-09 17:59:25 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2019-09-09 17:59:25 +0000
commitd15e5131845e2a68513230a624839ef5abcda690 (patch)
treeef0379a5c245addad8d4072f885d6fc06dae2fd5 /gcc/ira-conflicts.c
parent44942965f4eae141bd1f8300e7f77d0c9a3936e4 (diff)
Remove AND_COMPL_HARD_REG_SET
Use "x &= ~y" instead of "AND_COMPL_HARD_REG_SET (x, y)", or just "x & ~y" if the result is a temporary. This means that we're splitting it into two operations, but the compiler should be able to combine them for reasonable values of FIRST_PSEUDO_REGISTER. 2019-09-09 Richard Sandiford <richard.sandiford@arm.com> gcc/ * hard-reg-set.h (AND_COMPL_HARD_REG_SET): Delete. * caller-save.c (setup_save_areas): Use "&~" instead of AND_COMPL_HARD_REG_SET. (save_call_clobbered_regs): Likewise. * config/epiphany/epiphany.c (epiphany_conditional_register_usage): Likewise. * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise. * config/gcn/gcn.c (gcn_md_reorg): Likewise. * config/i386/i386.c (ix86_conditional_register_usage): Likewise. * config/mips/mips.c (mips_class_max_nregs): Likewise. (mips_conditional_register_usage): Likewise. * config/sh/sh.c (output_stack_adjust): Likewise. * ira-color.c (form_allocno_hard_regs_nodes_forest): Likewise. (setup_profitable_hard_regs): Likewise. (get_conflict_and_start_profitable_regs): Likewise. * ira-conflicts.c (print_allocno_conflicts): Likewise. (ira_build_conflicts): Likewise. * ira-costs.c (restrict_cost_classes): Likewise. (setup_regno_cost_classes_by_aclass): Likewise. * ira-lives.c (process_bb_node_lives): Likewise. * ira.c (setup_class_hard_regs, setup_reg_subclasses): Likewise. (setup_class_subset_and_memory_move_costs, setup_pressure_classes) (setup_allocno_and_important_classes, setup_class_translate_array) (setup_reg_class_relations, setup_prohibited_class_mode_regs): Likewise. * lra-assigns.c (find_hard_regno_for_1): Likewise. * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise. (process_alt_operands, inherit_in_ebb): Likewise. * lra-eliminations.c (update_reg_eliminate): Likewise. * lra-lives.c (process_bb_lives): Likewise. * reload1.c (update_eliminables_and_spill, reload_as_needed): Likewise. * resource.c (find_dead_or_set_registers): Likewise. (mark_target_live_regs): Likewise. * sched-deps.c (get_implicit_reg_pending_clobbers): Likewise. * sel-sched.c (mark_unavailable_hard_regs): Likewise. (implicit_clobber_conflict_p): Likewise. * shrink-wrap.c (requires_stack_frame_p): Likewise. (try_shrink_wrapping): Likewise. From-SVN: r275532
Diffstat (limited to 'gcc/ira-conflicts.c')
-rw-r--r--gcc/ira-conflicts.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/gcc/ira-conflicts.c b/gcc/ira-conflicts.c
index 46ff590e62f..ac8014afb92 100644
--- a/gcc/ira-conflicts.c
+++ b/gcc/ira-conflicts.c
@@ -660,15 +660,15 @@ print_allocno_conflicts (FILE * file, bool reg_p, ira_allocno_t a)
putc (')', file);
}
}
- conflicting_hard_regs = OBJECT_TOTAL_CONFLICT_HARD_REGS (obj);
- AND_COMPL_HARD_REG_SET (conflicting_hard_regs, ira_no_alloc_regs);
- conflicting_hard_regs &= reg_class_contents[ALLOCNO_CLASS (a)];
+ conflicting_hard_regs = (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj)
+ & ~ira_no_alloc_regs
+ & reg_class_contents[ALLOCNO_CLASS (a)]);
print_hard_reg_set (file, "\n;; total conflict hard regs:",
conflicting_hard_regs);
- conflicting_hard_regs = OBJECT_CONFLICT_HARD_REGS (obj);
- AND_COMPL_HARD_REG_SET (conflicting_hard_regs, ira_no_alloc_regs);
- conflicting_hard_regs &= reg_class_contents[ALLOCNO_CLASS (a)];
+ conflicting_hard_regs = (OBJECT_CONFLICT_HARD_REGS (obj)
+ & ~ira_no_alloc_regs
+ & reg_class_contents[ALLOCNO_CLASS (a)]);
print_hard_reg_set (file, ";; conflict hard regs:",
conflicting_hard_regs);
putc ('\n', file);
@@ -738,11 +738,9 @@ ira_build_conflicts (void)
if (! targetm.class_likely_spilled_p (base))
CLEAR_HARD_REG_SET (temp_hard_reg_set);
else
- {
- temp_hard_reg_set = reg_class_contents[base];
- AND_COMPL_HARD_REG_SET (temp_hard_reg_set, ira_no_alloc_regs);
- temp_hard_reg_set &= call_used_reg_set;
- }
+ temp_hard_reg_set = (reg_class_contents[base]
+ & ~ira_no_alloc_regs
+ & call_used_reg_set);
FOR_EACH_ALLOCNO (a, ai)
{
int i, n = ALLOCNO_NUM_OBJECTS (a);