| commit c51d8d383cfb92142b86d8d1822159f3bea10d16 |
| Author: Noah Goldstein <goldstein.w.n@gmail.com> |
| 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 |
| |
| |
| @@ -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 |