https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58306
--- Comment #37 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to PeteVine from comment #36) > The original patch is still not enough it seems. I've just tried profiling > the C-ray benchmark from issue #53659 (./c-ray-mt -t 32 -s 160x120 -r 8 -i > sphfract -o output.ppm) and any -t (for threads) greater than 1 results in: > > c-ray-mt.c: In function ‘ray_sphere’: > c-ray-mt.c:671:1: error: corrupted profile info: profile data is not > flow-consistent > } > ^ > c-ray-mt.c:671:1: error: corrupted profile info: number of executions for > edge 12-14 thought to be -67 > c-ray-mt.c:671:1: error: corrupted profile info: number of executions for > edge 12-13 thought to be 456322 > c-ray-mt.c: In function ‘shade’: > c-ray-mt.c:671:1: error: corrupted profile info: profile data is not > flow-consistent > c-ray-mt.c:671:1: error: corrupted profile info: number of executions for > edge 7-4 thought to be 113111929 > c-ray-mt.c:671:1: error: corrupted profile info: number of executions for > edge 7-8 thought to be -3827604 Have you added -fprofile-update=atomic to your compiler options? Can you please provide info about your target and the compiler options you use? Thanks, Martin
