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From: Sunil Pandey <skpgkp2@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/release/2.34/master] x86: Add BMI1/BMI2 checks for ISA_V3 check Date: Tue, 19 Jul 2022 05:12:12 +0000 (GMT) [thread overview] Message-ID: <20220719051212.29B9B385801D@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51d8d383cfb92142b86d8d1822159f3bea10d16 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: --- sysdeps/x86/isa-level.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sysdeps/x86/isa-level.c b/sysdeps/x86/isa-level.c index 49ef4aa612..0781538112 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
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