From 8da9f346cb2051844348785b8a932ec44489e0b7 Mon Sep 17 00:00:00 2001 From: Noah Goldstein Date: Thu, 16 Jun 2022 15:01:08 -0700 Subject: [PATCH] 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` --- 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