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dnxhd_mmx: prefer xmm registers below xmm6 when they are available

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Originally committed as revision 25634 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Ramiro Polla 14 years ago
parent 7d78a96441
commit 4f9d25ddc8
1 changed files with 5 additions and 5 deletions
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  1. 10
      libavcodec/x86/dnxhd_mmx.c

10
libavcodec/x86/dnxhd_mmx.c
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@ -27,16 +27,16 @@
static void get_pixels_8x4_sym_sse2(DCTELEM *block, const uint8_t *pixels, int line_size) static void get_pixels_8x4_sym_sse2(DCTELEM *block, const uint8_t *pixels, int line_size)
{ {
__asm__ volatile( __asm__ volatile(
"pxor %%xmm7, %%xmm7 \n\t" "pxor %%xmm5, %%xmm5 \n\t"
"movq (%0), %%xmm0 \n\t" "movq (%0), %%xmm0 \n\t"
"add %2, %0 \n\t" "add %2, %0 \n\t"
"movq (%0), %%xmm1 \n\t" "movq (%0), %%xmm1 \n\t"
"movq (%0, %2), %%xmm2 \n\t" "movq (%0, %2), %%xmm2 \n\t"
"movq (%0, %2,2), %%xmm3 \n\t" "movq (%0, %2,2), %%xmm3 \n\t"
"punpcklbw %%xmm7, %%xmm0 \n\t" "punpcklbw %%xmm5, %%xmm0 \n\t"
"punpcklbw %%xmm7, %%xmm1 \n\t" "punpcklbw %%xmm5, %%xmm1 \n\t"
"punpcklbw %%xmm7, %%xmm2 \n\t" "punpcklbw %%xmm5, %%xmm2 \n\t"
"punpcklbw %%xmm7, %%xmm3 \n\t" "punpcklbw %%xmm5, %%xmm3 \n\t"
"movdqa %%xmm0, (%1) \n\t" "movdqa %%xmm0, (%1) \n\t"
"movdqa %%xmm1, 16(%1) \n\t" "movdqa %%xmm1, 16(%1) \n\t"
"movdqa %%xmm2, 32(%1) \n\t" "movdqa %%xmm2, 32(%1) \n\t"

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