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2020-05-09libgcc: cris: Remove support for crisv32-*-* and cris*-*-linuxHans-Peter Nilsson
Part of the removal of crisv32-* and cris-*-linux* (cris-elf remains). libgcc: * config.host: Remove support for crisv32-*-* and cris*-*-linux. * config/cris/libgcc-glibc.ver, config/cris/t-linux: Remove.
2020-05-06i386: Use generic division to generate INEXACT exceptionUros Bizjak
Introduce math_force_eval_div to use generic division to generate INEXACT as well as INVALID and DIVZERO exceptions. libgcc/ChangeLog: * config/i386/sfp-exceptions.c (__math_force_eval): Remove. (__math_force_eval_div): New define. (__sfp_handle_exceptions): Use __math_force_eval_div to use generic division to generate INVALID, DIVZERO and INEXACT exceptions. libatomic/ChangeLog: * config/x86/fenv.c (__math_force_eval): Remove. (__math_force_eval_div): New define. (__atomic_deraiseexcept): Use __math_force_eval_div to use generic division to generate INVALID, DIVZERO and INEXACT exceptions. libgfortran/ChangeLog: * config/fpu-387.h (__math_force_eval): Remove. (__math_force_eval_div): New define. (local_feraiseexcept): Use __math_force_eval_div to use generic division to generate INVALID, DIVZERO and INEXACT exceptions. (struct fenv): Define named struct instead of typedef.
2020-05-06[AArch64] Use __getauxval instead of getauxval in LSE detection code in libgccKyrylo Tkachov
This version of the fix uses __getauxval instead of getauxval. The whole thing is guarded simply on __gnu_linux__. __getauxval was introduced in 2.16 but the aarch64 port was added in 2.17 so in practice I expect all aarch64 glibcs to support __getauxval. Bootstrapped and tested on aarch64-none-linux-gnu. Also tested on aarch64-none-elf. 2020-05-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com> * config/aarch64/lse-init.c (init_have_lse_atomics): Use __getauxval instead of getauxval. (AT_HWCAP): Define. (HWCAP_ATOMICS): Define. Guard detection on __gnu_linux__.
2020-05-05Delete file meant for a private branchMichael Meissner
2020-05-05Delete file meant for private branchMichael Meissner
2020-05-05Remove files meant for private branchMichael Meissner
2020-05-05Delete changes meant for a private branch.Michael Meissner
2020-05-05 Michael Meissner <meissner@linux.ibm.com> * config/rs6000/rs6000-builtin.def: Delete changes meant for a private branch. * config/rs6000/rs6000-c.c: Likewise. * config/rs6000/rs6000-call.c: Likewise. * gcc/config/rs6000/rs6000.c: Likewise. 2020-05-05 Michael Meissner <meissner@linux.ibm.com> * gcc.dg/nextafter-2.c: Delete changes meant for a private branch. * gcc.target/powerpc/pr70117.c: Likewise. 2020-05-05 Michael Meissner <meissner@linux.ibm.com> * config.host: Delete changes meant for a private branch. * config/rs6000/t-float128: Likewise. * configure.ac: Likewise. * configure: Likewise.
2020-05-05Patch ieee128-lib-patch010bMichael Meissner
2020-05-05New fileMichael Meissner
2020-05-05New filesMichael Meissner
2020-05-05Update ChangeLogMichael Meissner
2020-05-05Remove extra newlineMichael Meissner
2020-05-05Patch ieee128-lib-patch003bMichael Meissner
2020-05-05setup branchMichael Meissner
2020-05-05Remove __gcov_flush.Martin Liska
PR gcov-profile/93623 * tree-cfg.c (stmt_can_terminate_bb_p): Update comment to reflect reality. PR gcov-profile/93623 * Makefile.in: Remove __gcov_flush. * gcov.h (__gcov_flush): Remove. * libgcov-interface.c (__gcov_flush): Remove. (init_mx): Use renamed mutex. (__gcov_lock): Likewise. (__gcov_unlock): Likewise. (__gcov_fork): Likewise. (__gcov_flush): Remove.
2020-05-05Use __gcov_dump and __gcov_reset in execv and fork context.Martin Liska
PR gcov-profile/93623 * libgcov-interface.c (__gcov_fork): Do not flush and reset only in child process. (__gcov_execl): Dump counters only and reset them only if exec* fails. (__gcov_execlp): Likewise. (__gcov_execle): Likewise. (__gcov_execv): Likewise. (__gcov_execvp): Likewise. (__gcov_execve): Likewise.
2020-05-05Do locking for __gcov_dump and __gcov_reset as well.Martin Liska
PR gcov-profile/93623 * Makefile.in: Add _gcov_lock_unlock to LIBGCOV_INTERFACE. * libgcov-interface.c (ALIAS_void_fn): Remove. (__gcov_lock): New. (__gcov_unlock): New. (__gcov_flush): Use __gcov_lock and __gcov_unlock. (__gcov_reset): Likewise. (__gcov_dump): Likewise. * libgcov.h (__gcov_lock): New declaration. (__gcov_unlock): Likewise.
2020-05-05Add missing ChangeLog entries.Martin Liska
2020-05-05Remove 2 dead variables in bid_internal.h.Martin Liska
libgcc/config/libbid/ChangeLog: 2020-02-04 Martin Liska <mliska@suse.cz> PR libgcc/92565 * bid_internal.h (handle_UF_128_rem): Remove unused variable. (handle_UF_128): Likewise.
2020-05-01i386: Use generic division to generate INVALID and DIVZERO exceptionsUros Bizjak
Introduce math_force_eval to evaluate generic division to generate INVALID and DIVZERO exceptions. libgcc/ChangeLog: * config/i386/sfp-exceptions.c (__math_force_eval): New define. (__sfp_handle_exceptions): Use __math_force_eval to evaluete generic division to generate INVALID and DIVZERO exceptions. libatomic/ChangeLog: * config/x86/fenv.c (__math_force_eval): New define. (__atomic_feraiseexcept): Use __math_force_eval to evaluete generic division to generate INVALID and DIVZERO exceptions. libgfortran/ChangeLog: * config/fpu-387.h (__math_force_eval): New define. (local_feraiseexcept): Use __math_force_eval to evaluete generic division to generate INVALID and DIVZERO exceptions.
2020-04-27RS6000: Use .machine ppc for some CRT filesSebastian Huber
Since commit e154242724b084380e3221df7c08fcdbd8460674 the flag -many is sometimes not passed to the assembler. Use .machine ppc to prevent errors if these files are assembled for an ISA which does not support FPRs. libgcc/ * config/rs6000/crtresfpr.S: Use .machine ppc. * config/rs6000/crtresxfpr.S: Likewise. * config/rs6000/crtsavfpr.S: Likewise.
2020-04-21aarch64, libgcc: Fix unwinding from pac-ret to normal frames [PR94514]Szabolcs Nagy
With -mbranch-protection=pac-ret the debug info toggles the signedness state of the return address so the unwinder knows when the return address needs pointer authentication. The unwind context flags were not updated according to the dwarf frame info. This causes unwinding across frames that were built without pac-ret to incorrectly authenticate the return address wich corrupts the return address on a system where PAuth is enabled. Note: This even affects systems where all code use pac-ret because unwinding across a signal frame the return address is not signed. gcc/testsuite/ChangeLog: PR target/94514 * g++.target/aarch64/pr94514.C: New test. * gcc.target/aarch64/pr94514.c: New test. libgcc/ChangeLog: PR target/94514 * config/aarch64/aarch64-unwind.h (aarch64_frob_update_context): Update context->flags accroding to the frame state.
2020-04-19i386: Remove unneeded assignments when triggering SSE exceptionsUros Bizjak
According to "Intel 64 and IA32 Arch SDM, Vol. 3: "Because SIMD floating-point exceptions are precise and occur immediately, the situation does not arise where an x87 FPU instruction, a WAIT/FWAIT instruction, or another SSE/SSE2/SSE3 instruction will catch a pending unmasked SIMD floating-point exception." Remove unneeded assignments to volatile memory. libgcc/ChangeLog: * config/i386/sfp-exceptions.c (__sfp_handle_exceptions) [__SSE_MATH__]: Remove unneeded assignments to volatile memory. libatomic/ChangeLog: * config/x86/fenv.c (__atomic_feraiseexcept) [__SSE_MATH__]: Remove unneeded assignments to volatile memory. libgfortran/ChangeLog: * config/fpu-387.h (local_feraiseexcept) [__SSE_MATH__]: Remove unneeded assignments to volatile memory.
2020-04-15aarch64: Fix bootstrap with old binutils [PR93053]Jakub Jelinek
As reported in the PR, GCC 10 (and also 9.3.1 but not 9.3.0) fails to build when using older binutils which lack LSE support, because those instructions are used in libgcc. Thanks to Kyrylo's hint, the following patches (hopefully) allow it to build even with older binutils by using .inst directive if LSE support isn't available in the assembler. 2020-04-15 Jakub Jelinek <jakub@redhat.com> PR target/93053 * configure.ac (LIBGCC_CHECK_AS_LSE): Add HAVE_AS_LSE checking. * config/aarch64/lse.S: Include auto-target.h, if HAVE_AS_LSE is not defined, use just .arch armv8-a. (B, M, N, OPN): Define. (COMMENT): New .macro. (CAS, CASP, SWP, LDOP): Use .inst directive if HAVE_AS_LSE is not defined. Otherwise, move the operands right after the glue? and comment out operands where the macros are used. * configure: Regenerated. * config.in: Regenerated.
2020-04-07libgcc: use syscall rather than __mmap/__munmapIan Lance Taylor
PR libgcc/94513 * generic-morestack.c: Give up trying to use __mmap/__munmap, use syscall instead.
2020-04-04libgcc: only use __mmap if glibc >- 2.26Ian Lance Taylor
* generic-morestack.c: Only use __mmap on glibc >= 2.26.
2020-04-03libgcc: avoid mmap/munmap hooks in split-stack code on GNU/LinuxIan Lance Taylor
* generic-morestack.c: On GNU/Linux use __mmap/__munmap rather than mmap/munmap, to avoid hooks.
2020-04-03S/390 zTPF: Handle skip trace addresses when unwindingJim Johnston
Check for and handle new skip trace addresses when unwinding on zTPF. libgcc/ChangeLog: 2020-04-03 Jim Johnston <jjohnst@us.ibm.com> * config/s390/tpf-unwind.h (MIN_PATRANGE, MAX_PATRANGE) (TPFRA_OFFSET): Macros removed. (CP_CNF, cinfc_fast, CINFC_CMRESET, CINTFC_CMCENBKST) (CINTFC_CMCENBKED, ICST_CRET, ICST_SRET, LOWCORE_PAGE3_ADDR) (PG3_SKIPPING_OFFSET): New macros. (__isPATrange): Use cinfc_fast for the check. (__isSkipResetAddr): New function. (s390_fallback_frame_state): Check for skip trace addresses. Use either ICST_CRET or ICST_SRET to calculate return address location. (__tpf_eh_return): Handle skip trace addresses.
2020-03-27fixup: move ChangeLog entry for last Arm fix to correct file.Richard Earnshaw
PR target/94220
2020-03-26arm: unified syntax for libgcc when built with -Os [PR94220]Richard Earnshaw
The recent patch to convert all thumb1 code in libgcc to unified syntax ommitted the conditional code that is used only when building the library for minimal size. This patch fixes this case. I've also fixed the COND macro so that a single definition is always used that is for unified syntax. This eliminates a warning that is now being seen from the assembler when compiling the ieee fp support code. PR target/94220 * config/arm/lib1funcs.asm (COND): Use a single definition for unified syntax. (aeabi_uidivmod): Unified syntax when optimizing Thumb for size. (aeabi_idivmod): Likewise. (divsi3_skip_div0_test): Likewise.
2020-03-17[GCC][PATCH][ARM] Add multilib mapping for Armv8.1-M+MVE with -mfloat-abi=hardMihail Ionescu
This patch adds a new multilib for armv8.1-m.main+mve with hard float abi. For armv8.1-m.main+mve soft and softfp, the v8-M multilibs will be reused. The following mappings are also updated: "-mfloat-abi=hard -march=armv8.1-m.main+mve.fp -> armv8-m.main+fp/hard" "-mfloat-abi=softfp -march=armv8.1-m.main+mve.fp -> armv8-m.main+fp/softfp" "-mfloat-abi=soft -march=armv8.1-m.main+mve.fp -> armv8-m.main/nofp" gcc/ChangeLog: 2020-03-17 Mihail Ionescu <mihail.ionescu@arm.com> * config/arm/t-rmprofile: create new multilib for armv8.1-m.main+mve hard float and reuse v8-m.main ones for v8.1-m.main+mve . gcc/testsuite/ChangeLog: 2020-03-17 Mihail Ionescu <mihail.ionescu@arm.com> * gcc.target/arm/multilib.exp: Add new v8.1-M entry. libgcc/ChangLog: 2020-03-17 Mihail Ionescu <mihail.ionescu@arm.com> * config/arm/t-arm: Do not compile cmse_nonsecure_call.S for v8.1-m.
2020-03-06Add missing ChangeLog entriesAndreas Krebbel
2020-03-04IBM Z: zTPF: Build libgcc with -mtpf-trace-skipAndreas Krebbel
libgcc is supposed to be built with the trace skip flags and branch targets. Add a zTPF header file fragment and add the -mtpf-trace-skip option. libgcc/ChangeLog: 2020-03-04 Andreas Krebbel <krebbel@linux.ibm.com> * config.host: Include the new makefile fragment. * config/s390/t-tpf: New file.
2020-03-03libgcc: arm: convert thumb1 code to unified syntaxRichard Earnshaw
Unified syntax has been the official syntax for thumb1 assembly for over 10 years now. It's time we made preparations for that becoming the default in the assembler. But before we can start doing that we really need to clean up some laggards from the olden days. Libgcc support for thumb1 is one such example. This patch converts all of the legacy (disjoint) syntax that I could find over to unified code. The identification was done by using a trick version of gas that defaulted to unified mode which then faults if legacy syntax is encountered. The code produced was then compared against the old code to check for differences. One such difference does exist, but that is because in unified syntax 'movs rd, rn' is encoded as 'lsls rd, rn, #0', rather than 'adds rd, rn, #0'; but that is a deliberate change that was introduced because the lsls encoding more closely reflects the behaviour of 'movs' in arm state (where only some of the condition flags are modified). * config/arm/bpabi-v6m.S (aeabi_lcmp): Convert thumb1 code to unified syntax. (aeabi_ulcmp, aeabi_ldivmod, aeabi_uldivmod): Likewise. (aeabi_frsub, aeabi_cfcmpeq, aeabi_fcmpeq): Likewise. (aeabi_fcmp, aeabi_drsub, aeabi_cdrcmple): Likewise. (aeabi_cdcmpeq, aeabi_dcmpeq, aeabi_dcmp): Likewise. * config/arm/lib1funcs.S (Lend_fde): Convert thumb1 code to unified syntax. (divsi3, modsi3): Likewise. (clzdi2, ctzsi2): Likewise. * config/arm/libunwind.S (restore_core_regs): Convert thumb1 code to unified syntax. (UNWIND_WRAPPER): Likewise.
2020-03-02Remove duplicate declaration.Martin Liska
* libgcov-interface.c: Remove duplicate declaration of __gcov_flush_mx.
2020-02-18Introduce -fprofile-reproducibility and support it with TOP N.Martin Liska
PR ipa/92924 * common.opt: Add -fprofile-reproducibility. * doc/invoke.texi: Document it. * value-prof.c (dump_histogram_value): Document and support behavior for counters[0] being a negative value. (get_nth_most_common_value): Handle negative counters[0] in respect to flag_profile_reproducible. PR ipa/92924 * libgcov-merge.c (merge_topn_values_set): Record when a TOP N counter becomes invalid. When merging remove a smallest value if the space is needed.
2020-02-12Use a non-empty test program to test ability to link.Sandra Loosemore
On bare-metal targets, I/O support is typically provided by a BSP and requires a linker script and/or hosting library to be specified on the linker command line. Linking an empty program with the default linker script may succeed, however, which confuses libstdc++ configuration when programs that probe for the presence of various I/O features fail with link errors. 2020-02-12 Sandra Loosemore <sandra@codesourcery.com> PR libstdc++/79193 PR libstdc++/88999 config/ * no-executables.m4: Use a non-empty program to test for linker support. libgcc/ * configure: Regenerated. libgfortran/ * configure: Regenerated. libiberty/ * configure: Regenerated. libitm/ * configure: Regenerated. libobjc/ * configure: Regenerated. libquadmath/ * configure: Regenerated. libssp/ * configure: Regenerated. libstdc++v-3/ * configure: Regenerated.
2020-02-10Fix libgcc build failure for FRV with recent versions of gas.Jeff Law
* config/frv/frvbegin.c: Use right flags for .ctors and .dtors sections. * config/frv/frvend.c: Similarly.
2020-02-10Move ChangeLog entry of commit bf6465d046 from gcc to libgccH.J. Lu
2020-02-10i386: Properly pop restore token in signal frameH.J. Lu
Linux CET kernel places a restore token on shadow stack for signal handler to enhance security. The restore token is 8 byte and aligned to 8 bytes. It is usually transparent to user programs since kernel will pop the restore token when signal handler returns. But when an exception is thrown from a signal handler, now we need to pop the restore token from shadow stack. For x86-64, we just need to treat the signal frame as normal frame. For i386, we need to search for the restore token to check if the original shadow stack is 8 byte aligned. If the original shadow stack is 8 byte aligned, we just need to pop 2 slots, one restore token, from shadow stack. Otherwise, we need to pop 3 slots, one restore token + 4 byte padding, from shadow stack. This patch also includes 2 tests, one has a restore token with 4 byte padding and one without. Tested on Linux/x86-64 CET machine with and without -m32. libgcc/ PR libgcc/85334 * config/i386/shadow-stack-unwind.h (_Unwind_Frames_Increment): New. gcc/testsuite/ PR libgcc/85334 * g++.target/i386/pr85334-1.C: New test. * g++.target/i386/pr85334-2.C: Likewise.
2020-02-10arm: Fix up arm installed unwind.h for use in pedantic modes [PR93615]Christophe Lyon
Commit r10-6500-g811a475ea3fcc55ee4aea7c81171891ef19dfc25 broke the GCC build for arm-none-uclinuxfdpiceabi, as it forgot to update some uses of gnu_Unwind_Find_got. 2020-02-10 Christophe Lyon <christophe.lyon@linaro.org> libgcc/ PR target/93615 * unwind-arm-common.inc: Replace uses of gnu_Unwind_Find_got with _Unwind_gnu_Find_got. * unwind-pe.h: Likewise.
2020-02-07arm: Fix up arm installed unwind.h for use in pedantic modes [PR93615]Jakub Jelinek
As the following testcase shows, unwind.h on ARM can't be (starting with GCC 10) compiled with -std=c* modes, only -std=gnu* modes. The problem is it uses asm keyword, which isn't a keyword in those modes (system headers vs. non-system ones don't make a difference here). glibc and other installed headers use __asm or __asm__ keywords instead that work fine in both standard and gnu modes. While there, as it is an installed header, I think it is also wrong to completely ignore any identifier namespace rules. The generic unwind.h defines just _Unwind* namespace identifiers plus _sleb128_t/_uleb128_t (but e.g. unlike libstdc++/glibc headers doesn't uglify operand names), the ARM unwind.h is much worse here. I've just changed the gnu_Unwind_Find_got function at least not be in user identifier namespace, but perhaps it would be good to go further and rename e.g. or e.g. typedef _Unwind_Reason_Code (*personality_routine) (_Unwind_State, _Unwind_Control_Block *, _Unwind_Context *); in unwind-arm-common.h. 2020-02-07 Jakub Jelinek <jakub@redhat.com> PR target/93615 * config/arm/unwind-arm.h (gnu_Unwind_Find_got): Rename to ... (_Unwind_gnu_Find_got): ... this. Use __asm instead of asm. Remove trailing :s in asm. Formatting fixes. (_Unwind_decode_typeinfo_ptr): Adjust caller. * gcc.dg/pr93615.c: New test.
2020-01-31nios2: Support for GOT-relative DW_EH_PE_datarel encoding.Sandra Loosemore
On nios2-linux-gnu, there has been a long-standing bug in C++ exception handling that sometimes resulted in link errors like ../nios2-linux-gnu/bin/ld: FDE encoding in /tmp/cccfpQ2l.o(.eh_frame) prevents .eh_frame_hdr table being created when building some shared libraries or PIE executables. The root of the problem is that GCC was incorrectly emitting an absolute encoding in EH tables for PIC. This patch changes it to use either DW_EH_PE_indirect (for global) or DW_EH_PE_datarel (for local), and fixes libgcc so it can find the address of the GOT as the base address for DW_EH_PE_datarel. Complicating matters somewhat, GAS was missing support for %gotoff(symbol) relocation syntax. I have just pushed a fix for that, but I've added a configure check to test for presence of the binutils support and fall back to the current absolute encoding (which works most of the time) if it is not available. Once the fix makes it into an official binutils release it might be appropriate to make this error out instead. Since this is a wrong-code bug and affects only nios2 target, I think this is appropriate for Stage 4. I regression-tested on both nios2-linux-gnu and nios2-elf, with and without the binutils support present, before committing this. 2020-01-31 Sandra Loosemore <sandra@codesourcery.com> gcc/ * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION. * config.in: Regenerated. * configure: Regenerated. * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION. (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. gcc/testsuite/ * g++.target/nios2/hello-pie.C: New. * g++.target/nios2/nios2.exp: New. libgcc/ * config.host [nios2-*-linux*] (tmake_file, tm_file): Adjust. * config/nios2-elf-lib.h: New. * unwind-dw2-fde-dip.c (_Unwind_IteratePhdrCallback): Use existing code for finding GOT base for nios2.
2020-01-27Add __gcov_indirect_call_profiler_v4_atomic.Martin Liska
PR gcov-profile/93403 * tree-profile.c (gimple_init_gcov_profiler): Generate both __gcov_indirect_call_profiler_v4 and __gcov_indirect_call_profiler_v4_atomic. PR gcov-profile/93403 * libgcov-profiler.c (__gcov_indirect_call_profiler_v4): Call __gcov_indirect_call_profiler_body. (__gcov_indirect_call_profiler_body): New. (__gcov_indirect_call_profiler_v4_atomic): New. * libgcov.h (__gcov_indirect_call_profiler_v4_atomic): New declaration.
2020-01-27[ARC] Make libgcc compatible with ARC's reduced register set config.Claudiu Zissulescu
ARC processors can work with a reduced register set (i.e. registers r4-r9 and r16-r25 are not available). This option can be enabled passing -mrf16 option to the compiler, or by using -mcpu=em_mini CPU configuration. Using RF16 config requires all the hand-made assembly files used in libgcc to have the corresponding RF16 object attribute set. This patch qualifies the relevant hand-made assembly files to RF16 config, and also adds generic c-functions for the one which are not. libgcc/ xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com> * config/arc/crti.S: Add RF16 object attribute. * config/arc/crtn.S: Likewise. * config/arc/crttls.S: Likewise. * config/arc/lib1funcs.S: Likewise. * config/arc/fp-hack.h (ARC_OPTFPE): Define. * config/arc/lib2funcs.c: New file. * config/arc/t-arc: Add lib2funcs to LIB2ADD.
2020-01-24Add `--with-toolexeclibdir=' configuration optionMaciej W. Rozycki
Provide means, in the form of a `--with-toolexeclibdir=' configuration option, to override the default installation directory for target libraries, otherwise known as $toolexeclibdir. This is so that it is possible to get newly-built libraries, particularly the shared ones, installed in a common place, so that they can be readily used by the target system as their host libraries, possibly over NFS, without a need to manually copy them over from the currently hardcoded location they would otherwise be installed in. In the presence of the `--enable-version-specific-runtime-libs' option and for configurations building native GCC the option is ignored. config/ * toolexeclibdir.m4: New file. gcc/ * doc/install.texi (Cross-Compiler-Specific Options): Document `--with-toolexeclibdir' option. libada/ * Makefile.in (configure_deps): Add `toolexeclibdir.m4'. * configure.ac: Handle `--with-toolexeclibdir='. * configure: Regenerate. libatomic/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libffi/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * include/Makefile.in: Regenerate. * man/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libgcc/ * Makefile.in (configure_deps): Add `toolexeclibdir.m4'. * configure.ac: Handle `--with-toolexeclibdir='. * configure: Regenerate. libgfortran/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libgomp/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libhsail-rt/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libitm/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. libobjc/ * Makefile.in (aclocal_deps): Add `toolexeclibdir.m4'. * aclocal.m4: Include `toolexeclibdir.m4'. * configure.ac: Handle `--with-toolexeclibdir='. * configure: Regenerate. liboffloadmic/ * plugin/configure.ac: Handle `--with-toolexeclibdir='. * plugin/Makefile.in: Regenerate. * plugin/aclocal.m4: Regenerate. * plugin/configure: Regenerate. * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libphobos/ * m4/druntime.m4: Handle `--with-toolexeclibdir='. * m4/Makefile.in: Regenerate. * libdruntime/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libquadmath/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libsanitizer/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * asan/Makefile.in: Regenerate. * interception/Makefile.in: Regenerate. * libbacktrace/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. libssp/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. libstdc++-v3/ * acinclude.m4: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * libsupc++/Makefile.in: Regenerate. * po/Makefile.in: Regenerate. * python/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * src/c++11/Makefile.in: Regenerate. * src/c++17/Makefile.in: Regenerate. * src/c++98/Makefile.in: Regenerate. * src/filesystem/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. libvtv/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate. zlib/ * configure.ac: Handle `--with-toolexeclibdir='. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate.
2020-01-24libgcov: Fix merging of topn [PR92924]Jan Hubicka
PR tree-optimization/92924 * libgcov-merge.c (merge_topn_values_set): Fix merging.
2020-01-23Emit .note.GNU-stack for hard-float linux targets.Dragan Mladjenovic
libgcc/ChangeLog: 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com> * config/mips/gnustack.h: Check for TARGET_LIBC_GNUSTACK also. gcc/ChangeLog: 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com> * config.in: Regenerated. * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1 for TARGET_LIBC_GNUSTACK. * configure: Regenerated. * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is found to be 2.31 or greater.
2020-01-23Emit .note.GNU-stack for soft-float linux targets.Dragan Mladjenovic
gcc/ChangeLog: 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com> * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to TARGET_SOFT_FLOAT. * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ... (mips_asm_file_end): New function. Delegate to file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true. * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0. libgcc/ChangeLog: 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com> * config/mips/gnustack.h: New file. * config/mips/crti.S: Include gnustack.h. * config/mips/crtn.S: Likewise. * config/mips/mips16.S: Likewise. * config/mips/vr4120-div.S: Likewise.
2020-01-23Remove wrong bail out in prune_topn_counter.Martin Liska
* libgcov-driver.c (prune_topn_counter): Remove check for -1 as we only prune run-time counters that do not generate an invalid state.
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