This will remove the need for unnecessary runtime checks for CPU features if already supported by target CPU, resulting in smaller and less branchy code. --- src/mesa/x86/common_x86_features.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/src/mesa/x86/common_x86_features.h b/src/mesa/x86/common_x86_features.h index 66f2cf6..9888c26 100644 --- a/src/mesa/x86/common_x86_features.h +++ b/src/mesa/x86/common_x86_features.h @@ -67,5 +67,30 @@ #define cpu_has_3dnowext (_mesa_x86_cpu_features & X86_FEATURE_3DNOWEXT) #define cpu_has_sse4_1 (_mesa_x86_cpu_features & X86_FEATURE_SSE4_1) +/* Permanently enable features supported by target CPU at compile time */ +#ifdef __MMX__ +#define cpu_has_mmx 1 +#endif + +#ifdef __SSE__ +#define cpu_has_xmm 1 +#endif + +#ifdef __SSE2__ +#define cpu_has_xmm2 1 +#endif + +#ifdef __3dNOW__ +#define cpu_has_3dnow 1 +#endif + +#ifdef __SSSE3__ +#define cpu_has_ssse3 1 +#endif + +#ifdef __SSE4_1__ +#define cpu_has_sse4_1 1 +#endif + #endif -- 2.1.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
