[Bug gcov-profile/58306] Broken profiling for unrar sources: error: corrupted value profile: value profile counter (X out of Y) inconsistent with basic-block count

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58306

--- Comment #27 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Aug 10 13:14:56 2016
New Revision: 239324

URL: https://gcc.gnu.org/viewcvs?rev=239324&root=gcc&view=rev
Log:
Add new *_atomic counter update function

        PR gcov-profile/58306
        * Makefile.in: New functions (modules) are added.
        * libgcov-profiler.c (__gcov_interval_profiler_atomic): New
        function.
        (__gcov_pow2_profiler_atomic): New function.
        (__gcov_one_value_profiler_body): New argument is instroduced.
        (__gcov_one_value_profiler): Call with the new argument.
        (__gcov_one_value_profiler_atomic): Likewise.
        (__gcov_indirect_call_profiler_v2): Likewise.
        (__gcov_time_profiler_atomic): New function.
        (__gcov_average_profiler_atomic): Likewise.
        (__gcov_ior_profiler_atomic): Likewise.
        * libgcov.h: Declare the aforementioned functions.
        PR gcov-profile/58306
        * gcc.dg/tree-prof/val-profiler-threads-1.c: New test.
        PR gcov-profile/58306
        * tree-profile.c (gimple_init_edge_profiler): Create conditionally
        atomic variants of profile update functions.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-prof/val-profiler-threads-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-profile.c
    trunk/libgcc/ChangeLog
    trunk/libgcc/Makefile.in
    trunk/libgcc/libgcov-profiler.c
    trunk/libgcc/libgcov.h