mirror of https://git.ffmpeg.org/ffmpeg.git
519 lines
15 KiB
C
519 lines
15 KiB
C
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// MMX optimizations from Michael Niedermayer (michaelni@gmx.at) (under GPL)
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/* optimization TODO / NOTES
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movntq is slightly faster (0.5% with the current test.c benchmark)
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(but thats just test.c so that needs to be testd in reallity)
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and it would mean (C / MMX2 / MMX / 3DNOW) versions
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*/
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static uint64_t __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
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static uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
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static uint64_t __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
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static uint64_t __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
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static int a52_resample_MONO_to_5_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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asm volatile(
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"movl $-512, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"movq "MANGLE(wm1100)", %%mm3 \n\t"
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"movq "MANGLE(wm0101)", %%mm4 \n\t"
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"movq "MANGLE(wm1010)", %%mm5 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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"1: \n\t"
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"movq (%1, %%esi, 2), %%mm0 \n\t"
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"movq 8(%1, %%esi, 2), %%mm1 \n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"pand %%mm4, %%mm0 \n\t"
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"pand %%mm5, %%mm1 \n\t"
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"movq %%mm6, (%0, %%edi) \n\t" // 0 0 0 0
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"movd %%mm0, 8(%0, %%edi) \n\t" // A 0
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"pand %%mm3, %%mm0 \n\t"
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"movd %%mm6, 12(%0, %%edi) \n\t" // 0 0
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"movd %%mm1, 16(%0, %%edi) \n\t" // 0 B
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"pand %%mm3, %%mm1 \n\t"
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"movd %%mm6, 20(%0, %%edi) \n\t" // 0 0
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"movq %%mm0, 24(%0, %%edi) \n\t" // 0 0 C 0
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"movq %%mm1, 32(%0, %%edi) \n\t" // 0 0 0 B
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"addl $8, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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return 5*256;
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}
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static int a52_resample_STEREO_to_2_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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/* benchmark scores are 0.3% better with SSE but we would need to set bias=0 and premultiply it
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#ifdef HAVE_SSE
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"1: \n\t"
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"cvtps2pi (%1, %%esi), %%mm0 \n\t"
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"cvtps2pi 1024(%1, %%esi), %%mm2\n\t"
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"movq %%mm0, %%mm1 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%0, %%esi) \n\t"
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"movq %%mm1, 8(%0, %%esi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+512), "r" (f+256)
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:"%esi", "memory"
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);*/
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"1: \n\t"
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"movq (%1, %%esi), %%mm0 \n\t"
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"movq 8(%1, %%esi), %%mm1 \n\t"
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"movq 1024(%1, %%esi), %%mm2 \n\t"
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"movq 1032(%1, %%esi), %%mm3 \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%0, %%esi) \n\t"
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"movq %%mm1, 8(%0, %%esi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+512), "r" (f+256)
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:"%esi", "memory"
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);
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return 2*256;
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}
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static int a52_resample_3F_to_5_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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"movq %%mm7, %%mm5 \n\t"
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"punpckldq %%mm6, %%mm5 \n\t"
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"1: \n\t"
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"movd (%1, %%esi), %%mm0 \n\t"
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"punpckldq 2048(%1, %%esi), %%mm0\n\t"
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"movd 1024(%1, %%esi), %%mm1 \n\t"
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"punpckldq 4(%1, %%esi), %%mm1 \n\t"
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"movd 2052(%1, %%esi), %%mm2 \n\t"
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"movq %%mm7, %%mm3 \n\t"
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"punpckldq 1028(%1, %%esi), %%mm3\n\t"
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"movd 8(%1, %%esi), %%mm4 \n\t"
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"punpckldq 2056(%1, %%esi), %%mm4\n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"sarl $1, %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm5, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"packssdw %%mm6, %%mm0 \n\t"
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"packssdw %%mm2, %%mm1 \n\t"
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"packssdw %%mm4, %%mm3 \n\t"
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"movq %%mm0, (%0, %%edi) \n\t"
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"movq %%mm1, 8(%0, %%edi) \n\t"
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"movq %%mm3, 16(%0, %%edi) \n\t"
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"movd 1032(%1, %%esi), %%mm1 \n\t"
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"punpckldq 12(%1, %%esi), %%mm1\n\t"
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"movd 2060(%1, %%esi), %%mm2 \n\t"
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"movq %%mm7, %%mm3 \n\t"
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"punpckldq 1036(%1, %%esi), %%mm3\n\t"
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"pxor %%mm0, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm5, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, 24(%0, %%edi) \n\t"
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"movq %%mm2, 32(%0, %%edi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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return 5*256;
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}
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static int a52_resample_2F_2R_to_4_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"1: \n\t"
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"movq (%1, %%esi), %%mm0 \n\t"
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"movq 8(%1, %%esi), %%mm1 \n\t"
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"movq 1024(%1, %%esi), %%mm2 \n\t"
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"movq 1032(%1, %%esi), %%mm3 \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq 2048(%1, %%esi), %%mm3 \n\t"
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"movq 2056(%1, %%esi), %%mm4 \n\t"
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"movq 3072(%1, %%esi), %%mm5 \n\t"
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"movq 3080(%1, %%esi), %%mm6 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"psubd %%mm7, %%mm5 \n\t"
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"psubd %%mm7, %%mm6 \n\t"
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"packssdw %%mm4, %%mm3 \n\t"
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"packssdw %%mm6, %%mm5 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm3, %%mm4 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"punpcklwd %%mm5, %%mm3 \n\t"
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"punpckhwd %%mm5, %%mm4 \n\t"
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"movq %%mm0, %%mm2 \n\t"
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"movq %%mm1, %%mm5 \n\t"
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"punpckldq %%mm3, %%mm0 \n\t"
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"punpckhdq %%mm3, %%mm2 \n\t"
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"punpckldq %%mm4, %%mm1 \n\t"
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"punpckhdq %%mm4, %%mm5 \n\t"
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"movq %%mm0, (%0, %%esi,2) \n\t"
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"movq %%mm2, 8(%0, %%esi,2) \n\t"
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"movq %%mm1, 16(%0, %%esi,2) \n\t"
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"movq %%mm5, 24(%0, %%esi,2) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1024), "r" (f+256)
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:"%esi", "memory"
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);
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return 4*256;
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}
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static int a52_resample_3F_2R_to_5_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"1: \n\t"
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"movd (%1, %%esi), %%mm0 \n\t"
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"punpckldq 2048(%1, %%esi), %%mm0\n\t"
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"movd 3072(%1, %%esi), %%mm1 \n\t"
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"punpckldq 4096(%1, %%esi), %%mm1\n\t"
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"movd 1024(%1, %%esi), %%mm2 \n\t"
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"punpckldq 4(%1, %%esi), %%mm2 \n\t"
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"movd 2052(%1, %%esi), %%mm3 \n\t"
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"punpckldq 3076(%1, %%esi), %%mm3\n\t"
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"movd 4100(%1, %%esi), %%mm4 \n\t"
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"punpckldq 1028(%1, %%esi), %%mm4\n\t"
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"movd 8(%1, %%esi), %%mm5 \n\t"
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"punpckldq 2056(%1, %%esi), %%mm5\n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"sarl $1, %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"psubd %%mm7, %%mm5 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"packssdw %%mm5, %%mm4 \n\t"
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"movq %%mm0, (%0, %%edi) \n\t"
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"movq %%mm2, 8(%0, %%edi) \n\t"
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"movq %%mm4, 16(%0, %%edi) \n\t"
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"movd 3080(%1, %%esi), %%mm0 \n\t"
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"punpckldq 4104(%1, %%esi), %%mm0\n\t"
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"movd 1032(%1, %%esi), %%mm1 \n\t"
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"punpckldq 12(%1, %%esi), %%mm1\n\t"
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"movd 2060(%1, %%esi), %%mm2 \n\t"
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"punpckldq 3084(%1, %%esi), %%mm2\n\t"
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"movd 4108(%1, %%esi), %%mm3 \n\t"
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"punpckldq 1036(%1, %%esi), %%mm3\n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, 24(%0, %%edi) \n\t"
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"movq %%mm2, 32(%0, %%edi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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return 5*256;
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}
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static int a52_resample_MONO_LFE_to_6_MMX(float * _f, int16_t * s16){
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int32_t * f = (int32_t *) _f;
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq "MANGLE(magicF2W)", %%mm7 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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"1: \n\t"
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"movq 1024(%1, %%esi), %%mm0 \n\t"
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"movq 1032(%1, %%esi), %%mm1 \n\t"
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"movq (%1, %%esi), %%mm2 \n\t"
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"movq 8(%1, %%esi), %%mm3 \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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|
|
"movq %%mm0, %%mm1 \n\t"
|
||
|
|
"punpcklwd %%mm2, %%mm0 \n\t"
|
||
|
|
"punpckhwd %%mm2, %%mm1 \n\t"
|
||
|
|
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||
|
|
"movq %%mm6, (%0, %%edi) \n\t"
|
||
|
|
"movd %%mm0, 8(%0, %%edi) \n\t"
|
||
|
|
"punpckhdq %%mm0, %%mm0 \n\t"
|
||
|
|
"movq %%mm6, 12(%0, %%edi) \n\t"
|
||
|
|
"movd %%mm0, 20(%0, %%edi) \n\t"
|
||
|
|
"movq %%mm6, 24(%0, %%edi) \n\t"
|
||
|
|
"movd %%mm1, 32(%0, %%edi) \n\t"
|
||
|
|
"punpckhdq %%mm1, %%mm1 \n\t"
|
||
|
|
"movq %%mm6, 36(%0, %%edi) \n\t"
|
||
|
|
"movd %%mm1, 44(%0, %%edi) \n\t"
|
||
|
|
"addl $16, %%esi \n\t"
|
||
|
|
" jnz 1b \n\t"
|
||
|
|
"emms \n\t"
|
||
|
|
:: "r" (s16+1536), "r" (f+256)
|
||
|
|
:"%esi", "%edi", "memory"
|
||
|
|
);
|
||
|
|
return 6*256;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int a52_resample_STEREO_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||
|
|
int32_t * f = (int32_t *) _f;
|
||
|
|
asm volatile(
|
||
|
|
"movl $-1024, %%esi \n\t"
|
||
|
|
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||
|
|
"pxor %%mm6, %%mm6 \n\t"
|
||
|
|
"1: \n\t"
|
||
|
|
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||
|
|
"movq 2048(%1, %%esi), %%mm1 \n\t"
|
||
|
|
"movq (%1, %%esi), %%mm5 \n\t"
|
||
|
|
"psubd %%mm7, %%mm0 \n\t"
|
||
|
|
"psubd %%mm7, %%mm1 \n\t"
|
||
|
|
"psubd %%mm7, %%mm5 \n\t"
|
||
|
|
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||
|
|
|
||
|
|
"pxor %%mm4, %%mm4 \n\t"
|
||
|
|
"packssdw %%mm5, %%mm0 \n\t" // FfAa
|
||
|
|
"packssdw %%mm4, %%mm1 \n\t" // 00Bb
|
||
|
|
"punpckhwd %%mm0, %%mm4 \n\t" // F0f0
|
||
|
|
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||
|
|
"movq %%mm0, %%mm1 \n\t" // BAba
|
||
|
|
"punpckldq %%mm4, %%mm3 \n\t" // f0XX
|
||
|
|
"punpckldq %%mm6, %%mm0 \n\t" // 00ba
|
||
|
|
"punpckhdq %%mm1, %%mm3 \n\t" // BAf0
|
||
|
|
|
||
|
|
"movq %%mm0, (%0, %%edi) \n\t" // 00ba
|
||
|
|
"punpckhdq %%mm4, %%mm0 \n\t" // F000
|
||
|
|
"movq %%mm3, 8(%0, %%edi) \n\t" // BAf0
|
||
|
|
"movq %%mm0, 16(%0, %%edi) \n\t" // F000
|
||
|
|
"addl $8, %%esi \n\t"
|
||
|
|
" jnz 1b \n\t"
|
||
|
|
"emms \n\t"
|
||
|
|
:: "r" (s16+1536), "r" (f+256)
|
||
|
|
:"%esi", "%edi", "memory"
|
||
|
|
);
|
||
|
|
return 6*256;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int a52_resample_3F_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||
|
|
int32_t * f = (int32_t *) _f;
|
||
|
|
asm volatile(
|
||
|
|
"movl $-1024, %%esi \n\t"
|
||
|
|
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||
|
|
"pxor %%mm6, %%mm6 \n\t"
|
||
|
|
"1: \n\t"
|
||
|
|
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||
|
|
"movq 3072(%1, %%esi), %%mm1 \n\t"
|
||
|
|
"movq 2048(%1, %%esi), %%mm4 \n\t"
|
||
|
|
"movq (%1, %%esi), %%mm5 \n\t"
|
||
|
|
"psubd %%mm7, %%mm0 \n\t"
|
||
|
|
"psubd %%mm7, %%mm1 \n\t"
|
||
|
|
"psubd %%mm7, %%mm4 \n\t"
|
||
|
|
"psubd %%mm7, %%mm5 \n\t"
|
||
|
|
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||
|
|
|
||
|
|
"packssdw %%mm4, %%mm0 \n\t" // EeAa
|
||
|
|
"packssdw %%mm5, %%mm1 \n\t" // FfBb
|
||
|
|
"movq %%mm0, %%mm2 \n\t" // EeAa
|
||
|
|
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||
|
|
"punpckhwd %%mm1, %%mm2 \n\t" // FEfe
|
||
|
|
"movq %%mm0, %%mm1 \n\t" // BAba
|
||
|
|
"punpckldq %%mm6, %%mm0 \n\t" // 00ba
|
||
|
|
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||
|
|
|
||
|
|
"movq %%mm0, (%0, %%edi) \n\t"
|
||
|
|
"punpckhdq %%mm2, %%mm0 \n\t" // FE00
|
||
|
|
"punpckldq %%mm1, %%mm2 \n\t" // BAfe
|
||
|
|
"movq %%mm2, 8(%0, %%edi) \n\t"
|
||
|
|
"movq %%mm0, 16(%0, %%edi) \n\t"
|
||
|
|
"addl $8, %%esi \n\t"
|
||
|
|
" jnz 1b \n\t"
|
||
|
|
"emms \n\t"
|
||
|
|
:: "r" (s16+1536), "r" (f+256)
|
||
|
|
:"%esi", "%edi", "memory"
|
||
|
|
);
|
||
|
|
return 6*256;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int a52_resample_2F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||
|
|
int32_t * f = (int32_t *) _f;
|
||
|
|
asm volatile(
|
||
|
|
"movl $-1024, %%esi \n\t"
|
||
|
|
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||
|
|
// "pxor %%mm6, %%mm6 \n\t"
|
||
|
|
"1: \n\t"
|
||
|
|
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||
|
|
"movq 2048(%1, %%esi), %%mm1 \n\t"
|
||
|
|
"movq 3072(%1, %%esi), %%mm2 \n\t"
|
||
|
|
"movq 4096(%1, %%esi), %%mm3 \n\t"
|
||
|
|
"movq (%1, %%esi), %%mm5 \n\t"
|
||
|
|
"psubd %%mm7, %%mm0 \n\t"
|
||
|
|
"psubd %%mm7, %%mm1 \n\t"
|
||
|
|
"psubd %%mm7, %%mm2 \n\t"
|
||
|
|
"psubd %%mm7, %%mm3 \n\t"
|
||
|
|
"psubd %%mm7, %%mm5 \n\t"
|
||
|
|
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||
|
|
|
||
|
|
"packssdw %%mm2, %%mm0 \n\t" // CcAa
|
||
|
|
"packssdw %%mm3, %%mm1 \n\t" // DdBb
|
||
|
|
"packssdw %%mm5, %%mm5 \n\t" // FfFf
|
||
|
|
"movq %%mm0, %%mm2 \n\t" // CcAa
|
||
|
|
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||
|
|
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
|
||
|
|
"pxor %%mm4, %%mm4 \n\t" // 0000
|
||
|
|
"punpcklwd %%mm5, %%mm4 \n\t" // F0f0
|
||
|
|
"movq %%mm0, %%mm1 \n\t" // BAba
|
||
|
|
"movq %%mm4, %%mm3 \n\t" // F0f0
|
||
|
|
"punpckldq %%mm2, %%mm0 \n\t" // dcba
|
||
|
|
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||
|
|
"punpckldq %%mm1, %%mm4 \n\t" // BAf0
|
||
|
|
"punpckhdq %%mm3, %%mm2 \n\t" // F0DC
|
||
|
|
|
||
|
|
"movq %%mm0, (%0, %%edi) \n\t"
|
||
|
|
"movq %%mm4, 8(%0, %%edi) \n\t"
|
||
|
|
"movq %%mm2, 16(%0, %%edi) \n\t"
|
||
|
|
"addl $8, %%esi \n\t"
|
||
|
|
" jnz 1b \n\t"
|
||
|
|
"emms \n\t"
|
||
|
|
:: "r" (s16+1536), "r" (f+256)
|
||
|
|
:"%esi", "%edi", "memory"
|
||
|
|
);
|
||
|
|
return 6*256;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int a52_resample_3F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||
|
|
int32_t * f = (int32_t *) _f;
|
||
|
|
asm volatile(
|
||
|
|
"movl $-1024, %%esi \n\t"
|
||
|
|
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||
|
|
// "pxor %%mm6, %%mm6 \n\t"
|
||
|
|
"1: \n\t"
|
||
|
|
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||
|
|
"movq 3072(%1, %%esi), %%mm1 \n\t"
|
||
|
|
"movq 4096(%1, %%esi), %%mm2 \n\t"
|
||
|
|
"movq 5120(%1, %%esi), %%mm3 \n\t"
|
||
|
|
"movq 2048(%1, %%esi), %%mm4 \n\t"
|
||
|
|
"movq (%1, %%esi), %%mm5 \n\t"
|
||
|
|
"psubd %%mm7, %%mm0 \n\t"
|
||
|
|
"psubd %%mm7, %%mm1 \n\t"
|
||
|
|
"psubd %%mm7, %%mm2 \n\t"
|
||
|
|
"psubd %%mm7, %%mm3 \n\t"
|
||
|
|
"psubd %%mm7, %%mm4 \n\t"
|
||
|
|
"psubd %%mm7, %%mm5 \n\t"
|
||
|
|
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||
|
|
|
||
|
|
"packssdw %%mm2, %%mm0 \n\t" // CcAa
|
||
|
|
"packssdw %%mm3, %%mm1 \n\t" // DdBb
|
||
|
|
"packssdw %%mm4, %%mm4 \n\t" // EeEe
|
||
|
|
"packssdw %%mm5, %%mm5 \n\t" // FfFf
|
||
|
|
"movq %%mm0, %%mm2 \n\t" // CcAa
|
||
|
|
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||
|
|
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
|
||
|
|
"punpcklwd %%mm5, %%mm4 \n\t" // FEfe
|
||
|
|
"movq %%mm0, %%mm1 \n\t" // BAba
|
||
|
|
"movq %%mm4, %%mm3 \n\t" // FEfe
|
||
|
|
"punpckldq %%mm2, %%mm0 \n\t" // dcba
|
||
|
|
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||
|
|
"punpckldq %%mm1, %%mm4 \n\t" // BAfe
|
||
|
|
"punpckhdq %%mm3, %%mm2 \n\t" // FEDC
|
||
|
|
|
||
|
|
"movq %%mm0, (%0, %%edi) \n\t"
|
||
|
|
"movq %%mm4, 8(%0, %%edi) \n\t"
|
||
|
|
"movq %%mm2, 16(%0, %%edi) \n\t"
|
||
|
|
"addl $8, %%esi \n\t"
|
||
|
|
" jnz 1b \n\t"
|
||
|
|
"emms \n\t"
|
||
|
|
:: "r" (s16+1536), "r" (f+256)
|
||
|
|
:"%esi", "%edi", "memory"
|
||
|
|
);
|
||
|
|
return 6*256;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void* a52_resample_MMX(int flags, int ch){
|
||
|
|
switch (flags) {
|
||
|
|
case A52_MONO:
|
||
|
|
if(ch==5) return a52_resample_MONO_to_5_MMX;
|
||
|
|
break;
|
||
|
|
case A52_CHANNEL:
|
||
|
|
case A52_STEREO:
|
||
|
|
case A52_DOLBY:
|
||
|
|
if(ch==2) return a52_resample_STEREO_to_2_MMX;
|
||
|
|
break;
|
||
|
|
case A52_3F:
|
||
|
|
if(ch==5) return a52_resample_3F_to_5_MMX;
|
||
|
|
break;
|
||
|
|
case A52_2F2R:
|
||
|
|
if(ch==4) return a52_resample_2F_2R_to_4_MMX;
|
||
|
|
break;
|
||
|
|
case A52_3F2R:
|
||
|
|
if(ch==5) return a52_resample_3F_2R_to_5_MMX;
|
||
|
|
break;
|
||
|
|
case A52_MONO | A52_LFE:
|
||
|
|
if(ch==6) return a52_resample_MONO_LFE_to_6_MMX;
|
||
|
|
break;
|
||
|
|
case A52_CHANNEL | A52_LFE:
|
||
|
|
case A52_STEREO | A52_LFE:
|
||
|
|
case A52_DOLBY | A52_LFE:
|
||
|
|
if(ch==6) return a52_resample_STEREO_LFE_to_6_MMX;
|
||
|
|
break;
|
||
|
|
case A52_3F | A52_LFE:
|
||
|
|
if(ch==6) return a52_resample_3F_LFE_to_6_MMX;
|
||
|
|
break;
|
||
|
|
case A52_2F2R | A52_LFE:
|
||
|
|
if(ch==6) return a52_resample_2F_2R_LFE_to_6_MMX;
|
||
|
|
break;
|
||
|
|
case A52_3F2R | A52_LFE:
|
||
|
|
if(ch==6) return a52_resample_3F_2R_LFE_to_6_MMX;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|