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Code Issues Releases Activity

dsputil_mmx: prefer xmm registers below xmm6 when they are available

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Originally committed as revision 25606 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2010-10-31 13:13:53 +00:00
parent 888d78ac98
commit 559738eff3
2 changed files with 17 additions and 17 deletions
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16
libavcodec/x86/dsputil_mmx.c
View File

@ -2012,8 +2012,8 @@ static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
"1: \n"\
"movaps (%3,%0), %%xmm0 \n"\
stereo("movaps %%xmm0, %%xmm1 \n")\
"mulps %%xmm6, %%xmm0 \n"\
stereo("mulps %%xmm7, %%xmm1 \n")\
"mulps %%xmm4, %%xmm0 \n"\
stereo("mulps %%xmm5, %%xmm1 \n")\
"lea 1024(%3,%0), %1 \n"\
"mov %5, %2 \n"\
"2: \n"\
@ -2051,12 +2051,12 @@ static void ac3_downmix_sse(float (*samples)[256], float (*matrix)[2], int out_c
__asm__ volatile(
"1: \n"
"sub $8, %0 \n"
"movss (%2,%0), %%xmm6 \n"
"movss 4(%2,%0), %%xmm7 \n"
"shufps $0, %%xmm6, %%xmm6 \n"
"shufps $0, %%xmm7, %%xmm7 \n"
"movaps %%xmm6, (%1,%0,4) \n"
"movaps %%xmm7, 16(%1,%0,4) \n"
"movss (%2,%0), %%xmm4 \n"
"movss 4(%2,%0), %%xmm5 \n"
"shufps $0, %%xmm4, %%xmm4 \n"
"shufps $0, %%xmm5, %%xmm5 \n"
"movaps %%xmm4, (%1,%0,4) \n"
"movaps %%xmm5, 16(%1,%0,4) \n"
"jg 1b \n"
:"+&r"(j)
:"r"(matrix_simd), "r"(matrix)

18
libavcodec/x86/dsputilenc_mmx.c
View File

@ -61,16 +61,16 @@ static void get_pixels_mmx(DCTELEM *block, const uint8_t *pixels, int line_size)
static void get_pixels_sse2(DCTELEM *block, const uint8_t *pixels, int line_size)
{
__asm__ volatile(
"pxor %%xmm7, %%xmm7 \n\t"
"pxor %%xmm4, %%xmm4 \n\t"
"movq (%0), %%xmm0 \n\t"
"movq (%0, %2), %%xmm1 \n\t"
"movq (%0, %2,2), %%xmm2 \n\t"
"movq (%0, %3), %%xmm3 \n\t"
"lea (%0,%2,4), %0 \n\t"
"punpcklbw %%xmm7, %%xmm0 \n\t"
"punpcklbw %%xmm7, %%xmm1 \n\t"
"punpcklbw %%xmm7, %%xmm2 \n\t"
"punpcklbw %%xmm7, %%xmm3 \n\t"
"punpcklbw %%xmm4, %%xmm0 \n\t"
"punpcklbw %%xmm4, %%xmm1 \n\t"
"punpcklbw %%xmm4, %%xmm2 \n\t"
"punpcklbw %%xmm4, %%xmm3 \n\t"
"movdqa %%xmm0, (%1) \n\t"
"movdqa %%xmm1, 16(%1) \n\t"
"movdqa %%xmm2, 32(%1) \n\t"
@ -79,10 +79,10 @@ static void get_pixels_sse2(DCTELEM *block, const uint8_t *pixels, int line_size
"movq (%0, %2), %%xmm1 \n\t"
"movq (%0, %2,2), %%xmm2 \n\t"
"movq (%0, %3), %%xmm3 \n\t"
"punpcklbw %%xmm7, %%xmm0 \n\t"
"punpcklbw %%xmm7, %%xmm1 \n\t"
"punpcklbw %%xmm7, %%xmm2 \n\t"
"punpcklbw %%xmm7, %%xmm3 \n\t"
"punpcklbw %%xmm4, %%xmm0 \n\t"
"punpcklbw %%xmm4, %%xmm1 \n\t"
"punpcklbw %%xmm4, %%xmm2 \n\t"
"punpcklbw %%xmm4, %%xmm3 \n\t"
"movdqa %%xmm0, 64(%1) \n\t"
"movdqa %%xmm1, 80(%1) \n\t"
"movdqa %%xmm2, 96(%1) \n\t"