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x86: Add and use more convenience macros to check CPU extension availability

This commit is contained in:
Diego Biurrun 2013-08-20 14:39:36 +02:00
parent a6b6501185
commit 79aec43ce8
2 changed files with 17 additions and 6 deletions
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13
libavutil/x86/cpu.h
View File

@ -26,6 +26,19 @@
#define AV_CPU_FLAG_AMD3DNOW AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_AMD3DNOWEXT AV_CPU_FLAG_3DNOWEXT
#define X86_AMD3DNOW(flags) CPUEXT(flags, AMD3DNOW)
#define X86_AMD3DNOWEXT(flags) CPUEXT(flags, AMD3DNOWEXT)
#define X86_MMX(flags) CPUEXT(flags, MMX)
#define X86_MMXEXT(flags) CPUEXT(flags, MMXEXT)
#define X86_SSE(flags) CPUEXT(flags, SSE)
#define X86_SSE2(flags) CPUEXT(flags, SSE2)
#define X86_SSE3(flags) CPUEXT(flags, SSE3)
#define X86_SSSE3(flags) CPUEXT(flags, SSSE3)
#define X86_SSE4(flags) CPUEXT(flags, SSE4)
#define X86_SSE42(flags) CPUEXT(flags, SSE42)
#define X86_AVX(flags) CPUEXT(flags, AVX)
#define X86_FMA4(flags) CPUEXT(flags, FMA4)
#define EXTERNAL_AMD3DNOW(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOW)
#define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOWEXT)
#define EXTERNAL_MMX(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, MMX)

10
libswscale/utils.c
View File

@ -1120,9 +1120,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
} else
#endif /* HAVE_MMXEXT_INLINE */
{
const int filterAlign =
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
const int filterAlign = X86_MMX(cpu_flags) ? 4 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
if (initFilter(&c->hLumFilter, &c->hLumFilterPos,
&c->hLumFilterSize, c->lumXInc,
@ -1143,9 +1142,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
/* precalculate vertical scaler filter coefficients */
{
const int filterAlign =
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 2 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
const int filterAlign = X86_MMX(cpu_flags) ? 2 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
c->lumYInc, srcH, dstH, filterAlign, (1 << 12),