diff options
Diffstat (limited to 'sysdeps/x86/isa-level.h')
| -rw-r--r-- | sysdeps/x86/isa-level.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sysdeps/x86/isa-level.h b/sysdeps/x86/isa-level.h index 2c7f742..03c1fe2 100644 --- a/sysdeps/x86/isa-level.h +++ b/sysdeps/x86/isa-level.h @@ -35,7 +35,17 @@ # define __X86_ISA_V1 0 #endif -#if __X86_ISA_V1 && defined __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 \ +#ifdef __x86_64__ +# ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 +# define __GCC_HAVE_SYNC_COMPARE_AND_SWAP +# endif +#else +# ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 +# define __GCC_HAVE_SYNC_COMPARE_AND_SWAP +# endif +#endif + +#if __X86_ISA_V1 && defined __GCC_HAVE_SYNC_COMPARE_AND_SWAP \ && defined HAVE_X86_LAHF_SAHF && defined __POPCNT__ && defined __SSE3__ \ && defined __SSSE3__ && defined __SSE4_1__ && defined __SSE4_2__ /* NB: ISAs in x86-64 ISA level v2 are used. */ |