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Code Issues Releases Activity

Do not needlessly use the BP register in x86_64-specific code, there are

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enough other registers available that are less likely to cause issues.

Originally committed as revision 30160 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Reimar Döffinger 2010-01-01 09:46:24 +00:00
parent f48b0fa29e
commit f514b4f937
1 changed files with 4 additions and 4 deletions
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8
libswscale/swscale_template.c
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@ -1226,17 +1226,17 @@ static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, cons
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
#if ARCH_X86_64
__asm__ volatile(
YSCALEYUV2RGB(%%REGBP, %5)
YSCALEYUV2RGB_YA(%%REGBP, %5, %6, %7)
YSCALEYUV2RGB(%%r8, %5)
YSCALEYUV2RGB_YA(%%r8, %5, %6, %7)
"psraw $3, %%mm1 \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
"psraw $3, %%mm7 \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
"packuswb %%mm7, %%mm1 \n\t"
WRITEBGR32(%4, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
WRITEBGR32(%4, 8280(%5), %%r8, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
:: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "r" (dest),
"a" (&c->redDither)
,"r" (abuf0), "r" (abuf1)
: "%"REG_BP
: "%r8"
);
#else
*(uint16_t **)(&c->u_temp)=abuf0;