diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2004-09-07 17:22:37 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-09-07 17:22:37 +0000 |
| commit | ed8ffdf46c68f0d33cffb17b2e7d3aa0bb58e429 (patch) | |
| tree | faf76027fe90e103b713f832d51670c3fd266d3c /libavcodec/i386 | |
| parent | 437525c4738f619292826907efde66a4a4183eee (diff) | |
optimization
Originally committed as revision 3438 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 0607411eb4..8ede9890cd 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -2489,23 +2489,43 @@ static void OPNAME ## h264_qpel8_h_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, i static void OPNAME ## h264_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ uint64_t temp[(8+5)*2];\ uint64_t *temp_ptr= temp;\ - int h= 8+5;\ + int h= 4;\ \ src -= 2*srcStride;\ - /*FIXME unroll */\ + \ asm volatile(\ "pxor %%mm7, %%mm7 \n\t"\ "1: \n\t"\ "movq (%0), %%mm0 \n\t"\ - "movq (%0), %%mm1 \n\t"\ + "movq %%mm0, %%mm1 \n\t"\ + "addl %3, %0 \n\t"\ "punpcklbw %%mm7, %%mm0 \n\t"\ - "punpckhbw %%mm7, %%mm1 \n\t"\ "movq %%mm0, (%1) \n\t"\ + "punpckhbw %%mm7, %%mm1 \n\t"\ + "movq (%0), %%mm0 \n\t"\ "movq %%mm1, 8(%1) \n\t"\ - "addl $16, %1 \n\t"\ + "movq %%mm0, %%mm1 \n\t"\ "addl %3, %0 \n\t"\ + "punpcklbw %%mm7, %%mm0 \n\t"\ + "movq %%mm0, 16(%1) \n\t"\ + "punpckhbw %%mm7, %%mm1 \n\t"\ + "movq (%0), %%mm0 \n\t"\ + "movq %%mm1, 24(%1) \n\t"\ + "movq %%mm0, %%mm1 \n\t"\ + "addl %3, %0 \n\t"\ + "punpcklbw %%mm7, %%mm0 \n\t"\ + "movq %%mm0, 32(%1) \n\t"\ + "punpckhbw %%mm7, %%mm1 \n\t"\ + "movq %%mm1, 40(%1) \n\t"\ + "addl $48, %1 \n\t"\ "decl %2 \n\t"\ " jnz 1b \n\t"\ + "movq (%0), %%mm0 \n\t"\ + "movq %%mm0, %%mm1 \n\t"\ + "punpcklbw %%mm7, %%mm0 \n\t"\ + "movq %%mm0, (%1) \n\t"\ + "punpckhbw %%mm7, %%mm1 \n\t"\ + "movq %%mm1, 8(%1) \n\t"\ : "+a" (src), "+c" (temp_ptr), "+d"(h)\ : "S" (srcStride)\ : "memory"\ @@ -2520,28 +2540,22 @@ static void OPNAME ## h264_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, i "1: \n\t"\ "movq 2*16+0(%0), %%mm0 \n\t"\ "movq 2*16+8(%0), %%mm1 \n\t"\ - "movq 3*16+0(%0), %%mm2 \n\t"\ - "movq 3*16+8(%0), %%mm3 \n\t"\ - "paddw %%mm2, %%mm0 \n\t"\ - "paddw %%mm3, %%mm1 \n\t"\ + "paddw 3*16+0(%0), %%mm0 \n\t"\ + "paddw 3*16+8(%0), %%mm1 \n\t"\ "psllw $2, %%mm0 \n\t"\ "psllw $2, %%mm1 \n\t"\ "movq 1*16+0(%0), %%mm2 \n\t"\ "movq 1*16+8(%0), %%mm3 \n\t"\ - "movq 4*16+0(%0), %%mm4 \n\t"\ - "movq 4*16+8(%0), %%mm5 \n\t"\ - "paddw %%mm4, %%mm2 \n\t"\ - "paddw %%mm5, %%mm3 \n\t"\ + "paddw 4*16+0(%0), %%mm2 \n\t"\ + "paddw 4*16+8(%0), %%mm3 \n\t"\ "psubw %%mm2, %%mm0 \n\t"\ "psubw %%mm3, %%mm1 \n\t"\ "pmullw %%mm6, %%mm0 \n\t"\ "pmullw %%mm6, %%mm1 \n\t"\ "movq 0*16+0(%0), %%mm2 \n\t"\ "movq 0*16+8(%0), %%mm3 \n\t"\ - "movq 5*16+0(%0), %%mm4 \n\t"\ - "movq 5*16+8(%0), %%mm5 \n\t"\ - "paddw %%mm4, %%mm2 \n\t"\ - "paddw %%mm5, %%mm3 \n\t"\ + "paddw 5*16+0(%0), %%mm2 \n\t"\ + "paddw 5*16+8(%0), %%mm3 \n\t"\ "paddw %%mm2, %%mm0 \n\t"\ "paddw %%mm3, %%mm1 \n\t"\ "paddw %%mm7, %%mm0 \n\t"\ |