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| author | Diego Biurrun <diego@biurrun.de> | 2012-06-19 22:55:26 +0200 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2012-06-23 16:21:50 +0200 |
| commit | 65345a5a30a0e866b6944c0e6184be3feca04335 (patch) | |
| tree | 134ad9723a0f65d00af419bb65f0716abc6b7e06 /libavutil | |
| parent | 29686d6ea3521f8cc6ca3844c4320a84c7420fa9 (diff) | |
| download | ffmpeg-65345a5a30a0e866b6944c0e6184be3feca04335.tar.gz | |
x86: Add CPU flag for the i686 cmov instruction
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/cpu.c | 4 | ||||
| -rw-r--r-- | libavutil/cpu.h | 2 | ||||
| -rw-r--r-- | libavutil/x86/cpu.c | 2 |
3 files changed, 7 insertions, 1 deletions
diff --git a/libavutil/cpu.c b/libavutil/cpu.c index 6532744d2b..c641106fff 100644 --- a/libavutil/cpu.c +++ b/libavutil/cpu.c @@ -47,7 +47,7 @@ void av_set_cpu_flags_mask(int mask) int av_parse_cpu_flags(const char *s) { -#define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2) +#define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2 | AV_CPU_FLAG_CMOV) #define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX) #define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW) #define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2) @@ -82,6 +82,7 @@ int av_parse_cpu_flags(const char *s) { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" }, { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" }, { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" }, + { "cmov", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_CMOV }, .unit = "flags" }, #elif ARCH_ARM { "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV5TE }, .unit = "flags" }, { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV6 }, .unit = "flags" }, @@ -143,6 +144,7 @@ static const struct { { AV_CPU_FLAG_FMA4, "fma4" }, { AV_CPU_FLAG_3DNOW, "3dnow" }, { AV_CPU_FLAG_3DNOWEXT, "3dnowext" }, + { AV_CPU_FLAG_CMOV, "cmov" }, #endif { 0 } }; diff --git a/libavutil/cpu.h b/libavutil/cpu.h index 15c0088b7f..f477c83e13 100644 --- a/libavutil/cpu.h +++ b/libavutil/cpu.h @@ -40,6 +40,8 @@ #define AV_CPU_FLAG_AVX 0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used #define AV_CPU_FLAG_XOP 0x0400 ///< Bulldozer XOP functions #define AV_CPU_FLAG_FMA4 0x0800 ///< Bulldozer FMA4 functions +#define AV_CPU_FLAG_CMOV 0x1000 ///< i686 cmov + #define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard #define AV_CPU_FLAG_ARMV5TE (1 << 0) diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index 2424fe4516..b87d3a3a92 100644 --- a/libavutil/x86/cpu.c +++ b/libavutil/x86/cpu.c @@ -83,6 +83,8 @@ int ff_get_cpu_flags_x86(void) cpuid(1, eax, ebx, ecx, std_caps); family = ((eax>>8)&0xf) + ((eax>>20)&0xff); model = ((eax>>4)&0xf) + ((eax>>12)&0xf0); + if (std_caps & (1 << 15)) + rval |= AV_CPU_FLAG_CMOV; if (std_caps & (1<<23)) rval |= AV_CPU_FLAG_MMX; if (std_caps & (1<<25)) |