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.
V2: - Removed the SSSE3 related part for the not yet merged patch. - Avoiding redefinition of macros. --- src/mesa/x86/common_x86_features.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/src/mesa/x86/common_x86_features.h b/src/mesa/x86/common_x86_features.h index 66f2cf6..65634aa 100644 --- a/src/mesa/x86/common_x86_features.h +++ b/src/mesa/x86/common_x86_features.h @@ -59,13 +59,39 @@ #define X86_CPUEXT_3DNOW_EXT (1<<30) #define X86_CPUEXT_3DNOW (1<<31) +#ifdef __MMX__ +#define cpu_has_mmx 1 +#else #define cpu_has_mmx (_mesa_x86_cpu_features & X86_FEATURE_MMX) +#endif + #define cpu_has_mmxext (_mesa_x86_cpu_features & X86_FEATURE_MMXEXT) + +#ifdef __SSE__ +#define cpu_has_xmm 1 +#else #define cpu_has_xmm (_mesa_x86_cpu_features & X86_FEATURE_XMM) +#endif + +#ifdef __SSE2__ +#define cpu_has_xmm2 1 +#else #define cpu_has_xmm2 (_mesa_x86_cpu_features & X86_FEATURE_XMM2) +#endif + +#ifdef __3dNOW__ +#define cpu_has_3dnow 1 +#else #define cpu_has_3dnow (_mesa_x86_cpu_features & X86_FEATURE_3DNOW) +#endif + #define cpu_has_3dnowext (_mesa_x86_cpu_features & X86_FEATURE_3DNOWEXT) + +#ifdef __SSE4_1__ +#define cpu_has_sse4_1 1 +#else #define cpu_has_sse4_1 (_mesa_x86_cpu_features & X86_FEATURE_SSE4_1) +#endif #endif -- 2.1.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
