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* [glibc/release/2.33/master] x86: Add BMI1/BMI2 checks for ISA_V3 check
@ 2022-07-19  5:54 Sunil Pandey
  0 siblings, 0 replies; only message in thread
From: Sunil Pandey @ 2022-07-19  5:54 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e063a461a54a05ebdd8234b0d5c68d923f968be6

commit e063a461a54a05ebdd8234b0d5c68d923f968be6
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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