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Merge commit '8637f4edeee1a6bd18bc90740fafadd3e1b412aa' into release/0.10

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* commit '8637f4edeee1a6bd18bc90740fafadd3e1b412aa':
  x86: Add CPU flag for the i686 cmov instruction

Conflicts:
	doc/APIchanges
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-11 22:04:04 +01:00
commit a19a10a53e
4 changed files with 7 additions and 0 deletions

3
doc/APIchanges

@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first:
2014-09-16 - xxxxxxx - lavu 51.22.3 - cpu.h
Add AV_CPU_FLAG_CMOV.
2012-01-24 - xxxxxxx - lavfi 2.60.100
Add avfilter_graph_dump.

1
libavutil/cpu.c

@ -69,6 +69,7 @@ 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 }
};

1
libavutil/cpu.h

@ -41,6 +41,7 @@
#define AV_CPU_FLAG_XOP 0x0400 ///< Bulldozer XOP functions
#define AV_CPU_FLAG_FMA4 0x0800 ///< Bulldozer FMA4 functions
#define AV_CPU_FLAG_IWMMXT 0x0100 ///< XScale IWMMXT
#define AV_CPU_FLAG_CMOV 0x1000 ///< i686 cmov
#define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard
/**

2
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))