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x86: Replace checks for CPU extensions and flags by convenience macros

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This separates code relying on inline from that relying on external
assembly and fixes instances where the coalesced check was incorrect.
This commit is contained in:
Diego Biurrun
2012-08-29 19:01:05 +02:00
parent 6a0200f24d
commit e0c6cce447
21 changed files with 133 additions and 156 deletions
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20
libswscale/utils.c
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@ -46,6 +46,7 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
@ -473,7 +474,7 @@ static int initFilter(int16_t **outFilter, int32_t **filterPos,
filterAlign = 1;
}
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
if (INLINE_MMX(cpu_flags)) {
// special case for unscaled vertical filtering
if (minFilterSize == 1 && filterAlign == 2)
filterAlign = 1;
@ -973,8 +974,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer,
(FFALIGN(srcW, 16) * 2 * FFALIGN(c->srcBpc, 8) >> 3) + 16,
fail);
if (HAVE_MMXEXT && HAVE_INLINE_ASM && cpu_flags & AV_CPU_FLAG_MMXEXT &&
c->srcBpc == 8 && c->dstBpc <= 10) {
if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 10) {
c->canMMX2BeUsed = (dstW >= srcW && (dstW & 31) == 0 &&
(srcW & 15) == 0) ? 1 : 0;
if (!c->canMMX2BeUsed && dstW >= srcW && (srcW & 15) == 0
@ -1004,7 +1004,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
c->chrXInc += 20;
}
// we don't use the x86 asm scaler if MMX is available
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
else if (INLINE_MMX(cpu_flags)) {
c->lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20;
c->chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20;
}
@ -1050,8 +1050,7 @@ 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 :
const int filterAlign = INLINE_MMX(cpu_flags) ? 4 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
@ -1074,8 +1073,7 @@ 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 :
const int filterAlign = INLINE_MMX(cpu_flags) ? 2 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
@ -1208,11 +1206,11 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
#endif
sws_format_name(dstFormat));
if (HAVE_MMXEXT && cpu_flags & AV_CPU_FLAG_MMXEXT)
if (INLINE_MMXEXT(cpu_flags))
av_log(c, AV_LOG_INFO, "using MMX2\n");
else if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW)
else if (INLINE_AMD3DNOW(cpu_flags))
av_log(c, AV_LOG_INFO, "using 3DNOW\n");
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
else if (INLINE_MMX(cpu_flags))
av_log(c, AV_LOG_INFO, "using MMX\n");
else if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC)
av_log(c, AV_LOG_INFO, "using AltiVec\n");