commit c51d8d383cfb92142b86d8d1822159f3bea10d16 Author: Noah Goldstein Date: Thu Jun 16 15:01:08 2022 -0700 x86: Add BMI1/BMI2 checks for ISA_V3 check BMI1/BMI2 are part of the ISA V3 requirements: https://en.wikipedia.org/wiki/X86-64 And defined by GCC when building with `-march=x86-64-v3` (cherry picked from commit 8da9f346cb2051844348785b8a932ec44489e0b7) diff --git a/sysdeps/x86/isa-level.c b/sysdeps/x86/isa-level.c index 49ef4aa6122072cf..07815381122c94c3 100644 --- a/sysdeps/x86/isa-level.c +++ b/sysdeps/x86/isa-level.c @@ -47,7 +47,8 @@ # endif # if ISA_V2 && defined __AVX__ && defined __AVX2__ && defined __F16C__ \ - && defined __FMA__ && defined __LZCNT__ && defined HAVE_X86_MOVBE + && defined __FMA__ && defined __LZCNT__ && defined HAVE_X86_MOVBE \ + && defined __BMI__ && defined __BMI2__ /* NB: ISAs in x86-64 ISA level v3 are used. */ # define ISA_V3 GNU_PROPERTY_X86_ISA_1_V3 # else