diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2004-09-08 00:52:49 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-09-08 00:52:49 +0000 |
| commit | 56d8bd56596bbc333f8ac051d5dbd5bc4f0d1486 (patch) | |
| tree | e3edf3130dc76d75588d4246a2431a1cb3797c5a /libavcodec/i386 | |
| parent | a6e39f45a203cf2d70390f49b882609eaf1cc56f (diff) | |
optimization
Originally committed as revision 3440 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 74 |
1 files changed, 20 insertions, 54 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index b5bed61a18..25f6ee3c8f 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -2349,67 +2349,33 @@ static void OPNAME ## h264_qpel4_h_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, i );\ }\ static void OPNAME ## h264_qpel4_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ - uint64_t temp[4+5];\ - uint64_t *temp_ptr= temp;\ - int h= 3;\ src -= 2*srcStride;\ - /*FIXME unroll */\ asm volatile(\ "pxor %%mm7, %%mm7 \n\t"\ - "1: \n\t"\ - "movd (%0), %%mm0 \n\t"\ - "punpcklbw %%mm7, %%mm0 \n\t"\ - "movq %%mm0, (%1) \n\t"\ - "addl %3, %0 \n\t"\ - "movd (%0), %%mm0 \n\t"\ - "punpcklbw %%mm7, %%mm0 \n\t"\ - "movq %%mm0, 8(%1) \n\t"\ - "addl %3, %0 \n\t"\ "movd (%0), %%mm0 \n\t"\ + "addl %2, %0 \n\t"\ + "movd (%0), %%mm1 \n\t"\ + "addl %2, %0 \n\t"\ + "movd (%0), %%mm2 \n\t"\ + "addl %2, %0 \n\t"\ + "movd (%0), %%mm3 \n\t"\ + "addl %2, %0 \n\t"\ + "movd (%0), %%mm4 \n\t"\ + "addl %2, %0 \n\t"\ "punpcklbw %%mm7, %%mm0 \n\t"\ - "movq %%mm0, 16(%1) \n\t"\ - "addl %3, %0 \n\t"\ - "addl $24, %1 \n\t"\ - "decl %2 \n\t"\ - " jnz 1b \n\t"\ - : "+a" (src), "+c" (temp_ptr), "+d"(h)\ - : "S" (srcStride)\ - : "memory"\ - );\ - \ - temp_ptr= temp;\ - h= 4;\ - \ - asm volatile(\ - "movq %4, %%mm6 \n\t"\ - "movq %5, %%mm7 \n\t"\ - "1: \n\t"\ - "movq 2*8(%0), %%mm0 \n\t"\ - "movq 3*8(%0), %%mm1 \n\t"\ - "paddw %%mm1, %%mm0 \n\t"\ - "psllw $2, %%mm0 \n\t"\ - "movq 1*8(%0), %%mm2 \n\t"\ - "movq 4*8(%0), %%mm3 \n\t"\ - "paddw %%mm3, %%mm2 \n\t"\ - "psubw %%mm2, %%mm0 \n\t"\ - "pmullw %%mm6, %%mm0 \n\t"\ - "movq 0*8(%0), %%mm4 \n\t"\ - "movq 5*8(%0), %%mm5 \n\t"\ - "paddw %%mm5, %%mm4 \n\t"\ - "paddw %%mm7, %%mm4 \n\t"\ - "paddw %%mm4, %%mm0 \n\t"\ - "psraw $5, %%mm0 \n\t"\ - "packuswb %%mm0, %%mm0 \n\t"\ - OP(%%mm0, (%1),%%mm5, d)\ - "addl %3, %1 \n\t"\ - "addl $8, %0 \n\t"\ - "decl %2 \n\t"\ - " jnz 1b \n\t"\ + "punpcklbw %%mm7, %%mm1 \n\t"\ + "punpcklbw %%mm7, %%mm2 \n\t"\ + "punpcklbw %%mm7, %%mm3 \n\t"\ + "punpcklbw %%mm7, %%mm4 \n\t"\ + QPEL_H264V(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP)\ + QPEL_H264V(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP)\ + QPEL_H264V(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP)\ + QPEL_H264V(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP)\ \ - : "+a"(temp_ptr), "+c"(dst), "+d"(h)\ - : "S"(dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\ + : "+a"(src), "+c"(dst)\ + : "S"(srcStride), "D"(dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\ : "memory"\ - );\ + );\ }\ static void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride){\ const int h=4;\ |