https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71918
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org, | |kyukhin at gcc dot gnu.org, | |uros at gcc dot gnu.org --- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Note that with GMP it isn't always just misconfigured GMP, see https://bugzilla.redhat.com/show_bug.cgi?id=1331943 seems some Skylake Pentium/Celeron chips report in cpuid BMI/BMI2 support which they don't have. So it is a question if -march=haswell or -march=skylake in GCC should include BMI/BMI2 or not (i.e. if users should treat their Haswell/Skylake Pentium/Celeron just as SandyBridge or IvyBridge, or if we need skylake vs. skylake-bmi etc.).