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authorJames Almer <jamrial@gmail.com>2014-02-22 02:47:01 -0300
committerMichael Niedermayer <michaelni@gmx.at>2014-02-22 17:25:52 +0100
commita2af8eddab75f1eac712411e4dde89823c0845e8 (patch)
treef2ba681511f1d83bcac6fb75c45d187f81fde690 /libavutil/cpu.c
parentf98821dddb4abb3764fc2f22a6afe3eb11292d3c (diff)
downloadffmpeg-a2af8eddab75f1eac712411e4dde89823c0845e8.tar.gz
x86: add detection for FMA3 instruction set
Based on x264 code Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/cpu.c')
-rw-r--r--libavutil/cpu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 9ac599826d..74de61e0b7 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -91,6 +91,7 @@ int av_parse_cpu_flags(const char *s)
#define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
#define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
#define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
+#define CPUFLAG_FMA3 (AV_CPU_FLAG_FMA3 | CPUFLAG_AVX)
#define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
#define CPUFLAG_AVX2 (AV_CPU_FLAG_AVX2 | CPUFLAG_AVX)
static const AVOption cpuflags_opts[] = {
@@ -111,6 +112,7 @@ int av_parse_cpu_flags(const char *s)
{ "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE42 }, .unit = "flags" },
{ "avx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX }, .unit = "flags" },
{ "xop" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_XOP }, .unit = "flags" },
+ { "fma3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_FMA3 }, .unit = "flags" },
{ "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_FMA4 }, .unit = "flags" },
{ "avx2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX2 }, .unit = "flags" },
{ "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOW }, .unit = "flags" },
@@ -166,6 +168,7 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
{ "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SSE42 }, .unit = "flags" },
{ "avx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX }, .unit = "flags" },
{ "xop" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_XOP }, .unit = "flags" },
+ { "fma3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_FMA3 }, .unit = "flags" },
{ "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_FMA4 }, .unit = "flags" },
{ "avx2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX2 }, .unit = "flags" },
{ "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_3DNOW }, .unit = "flags" },
@@ -279,6 +282,7 @@ static const struct {
{ AV_CPU_FLAG_SSE42, "sse4.2" },
{ AV_CPU_FLAG_AVX, "avx" },
{ AV_CPU_FLAG_XOP, "xop" },
+ { AV_CPU_FLAG_FMA3, "fma3" },
{ AV_CPU_FLAG_FMA4, "fma4" },
{ AV_CPU_FLAG_3DNOW, "3dnow" },
{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" },