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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-06-16 15:01:08 -0700 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-06-16 20:17:45 -0700 |
| commit | 8da9f346cb2051844348785b8a932ec44489e0b7 (patch) | |
| tree | c889dcdc0e6c888c70719b3406fab053d7d926e0 | |
| parent | 4ef05df5ef70ed8e71c3b9236645b8c601a0b4b4 (diff) | |
| download | glibc-8da9f346cb2051844348785b8a932ec44489e0b7.tar.gz glibc-8da9f346cb2051844348785b8a932ec44489e0b7.tar.xz glibc-8da9f346cb2051844348785b8a932ec44489e0b7.zip | |
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`
| -rw-r--r-- | sysdeps/x86/isa-level.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/x86/isa-level.c b/sysdeps/x86/isa-level.c index a6cb32b1b1..09cd72ab20 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 |