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From: Sunil Pandey <skpgkp2@sourceware.org>
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Subject: [glibc/release/2.35/master] x86: Add BMI1/BMI2 checks for ISA_V3 check
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X-Git-Author: Noah Goldstein <goldstein.w.n@gmail.com>
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd3b6857ee2e909577a818639c8b7e207f2ed2bb

commit dd3b6857ee2e909577a818639c8b7e207f2ed2bb
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 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