--- /dev/null
+
+// MMX optimizations from Michael Niedermayer (michaelni@gmx.at) (under GPL)
+
+/* optimization TODO / NOTES
+ movntq is slightly faster (0.5% with the current test.c benchmark)
+ (but thats just test.c so that needs to be testd in reallity)
+ and it would mean (C / MMX2 / MMX / 3DNOW) versions
+*/
+
+static uint64_t __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
+static uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
+static uint64_t __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
+static uint64_t __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
+
+static int a52_resample_MONO_to_5_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-512, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "movq "MANGLE(wm1100)", %%mm3 \n\t"
+ "movq "MANGLE(wm0101)", %%mm4 \n\t"
+ "movq "MANGLE(wm1010)", %%mm5 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq (%1, %%esi, 2), %%mm0 \n\t"
+ "movq 8(%1, %%esi, 2), %%mm1 \n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "pand %%mm4, %%mm0 \n\t"
+ "pand %%mm5, %%mm1 \n\t"
+ "movq %%mm6, (%0, %%edi) \n\t" // 0 0 0 0
+ "movd %%mm0, 8(%0, %%edi) \n\t" // A 0
+ "pand %%mm3, %%mm0 \n\t"
+ "movd %%mm6, 12(%0, %%edi) \n\t" // 0 0
+ "movd %%mm1, 16(%0, %%edi) \n\t" // 0 B
+ "pand %%mm3, %%mm1 \n\t"
+ "movd %%mm6, 20(%0, %%edi) \n\t" // 0 0
+ "movq %%mm0, 24(%0, %%edi) \n\t" // 0 0 C 0
+ "movq %%mm1, 32(%0, %%edi) \n\t" // 0 0 0 B
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_STEREO_to_2_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+/* benchmark scores are 0.3% better with SSE but we would need to set bias=0 and premultiply it
+#ifdef HAVE_SSE
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "1: \n\t"
+ "cvtps2pi (%1, %%esi), %%mm0 \n\t"
+ "cvtps2pi 1024(%1, %%esi), %%mm2\n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+512), "r" (f+256)
+ :"%esi", "memory"
+ );*/
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "1: \n\t"
+ "movq (%1, %%esi), %%mm0 \n\t"
+ "movq 8(%1, %%esi), %%mm1 \n\t"
+ "movq 1024(%1, %%esi), %%mm2 \n\t"
+ "movq 1032(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+512), "r" (f+256)
+ :"%esi", "memory"
+ );
+ return 2*256;
+}
+
+static int a52_resample_3F_to_5_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"
+ "movq %%mm7, %%mm5 \n\t"
+ "punpckldq %%mm6, %%mm5 \n\t"
+ "1: \n\t"
+ "movd (%1, %%esi), %%mm0 \n\t"
+ "punpckldq 2048(%1, %%esi), %%mm0\n\t"
+ "movd 1024(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 4(%1, %%esi), %%mm1 \n\t"
+ "movd 2052(%1, %%esi), %%mm2 \n\t"
+ "movq %%mm7, %%mm3 \n\t"
+ "punpckldq 1028(%1, %%esi), %%mm3\n\t"
+ "movd 8(%1, %%esi), %%mm4 \n\t"
+ "punpckldq 2056(%1, %%esi), %%mm4\n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "sarl $1, %%edi \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm5, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "packssdw %%mm6, %%mm0 \n\t"
+ "packssdw %%mm2, %%mm1 \n\t"
+ "packssdw %%mm4, %%mm3 \n\t"
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm1, 8(%0, %%edi) \n\t"
+ "movq %%mm3, 16(%0, %%edi) \n\t"
+
+ "movd 1032(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 12(%1, %%esi), %%mm1\n\t"
+ "movd 2060(%1, %%esi), %%mm2 \n\t"
+ "movq %%mm7, %%mm3 \n\t"
+ "punpckldq 1036(%1, %%esi), %%mm3\n\t"
+ "pxor %%mm0, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm5, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, 24(%0, %%edi) \n\t"
+ "movq %%mm2, 32(%0, %%edi) \n\t"
+
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_2F_2R_to_4_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"
+ "1: \n\t"
+ "movq (%1, %%esi), %%mm0 \n\t"
+ "movq 8(%1, %%esi), %%mm1 \n\t"
+ "movq 1024(%1, %%esi), %%mm2 \n\t"
+ "movq 1032(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq 2048(%1, %%esi), %%mm3 \n\t"
+ "movq 2056(%1, %%esi), %%mm4 \n\t"
+ "movq 3072(%1, %%esi), %%mm5 \n\t"
+ "movq 3080(%1, %%esi), %%mm6 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "psubd %%mm7, %%mm6 \n\t"
+ "packssdw %%mm4, %%mm3 \n\t"
+ "packssdw %%mm6, %%mm5 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm3, %%mm4 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "punpcklwd %%mm5, %%mm3 \n\t"
+ "punpckhwd %%mm5, %%mm4 \n\t"
+ "movq %%mm0, %%mm2 \n\t"
+ "movq %%mm1, %%mm5 \n\t"
+ "punpckldq %%mm3, %%mm0 \n\t"
+ "punpckhdq %%mm3, %%mm2 \n\t"
+ "punpckldq %%mm4, %%mm1 \n\t"
+ "punpckhdq %%mm4, %%mm5 \n\t"
+ "movq %%mm0, (%0, %%esi,2) \n\t"
+ "movq %%mm2, 8(%0, %%esi,2) \n\t"
+ "movq %%mm1, 16(%0, %%esi,2) \n\t"
+ "movq %%mm5, 24(%0, %%esi,2) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1024), "r" (f+256)
+ :"%esi", "memory"
+ );
+ return 4*256;
+}
+
+static int a52_resample_3F_2R_to_5_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"
+ "1: \n\t"
+ "movd (%1, %%esi), %%mm0 \n\t"
+ "punpckldq 2048(%1, %%esi), %%mm0\n\t"
+ "movd 3072(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 4096(%1, %%esi), %%mm1\n\t"
+ "movd 1024(%1, %%esi), %%mm2 \n\t"
+ "punpckldq 4(%1, %%esi), %%mm2 \n\t"
+ "movd 2052(%1, %%esi), %%mm3 \n\t"
+ "punpckldq 3076(%1, %%esi), %%mm3\n\t"
+ "movd 4100(%1, %%esi), %%mm4 \n\t"
+ "punpckldq 1028(%1, %%esi), %%mm4\n\t"
+ "movd 8(%1, %%esi), %%mm5 \n\t"
+ "punpckldq 2056(%1, %%esi), %%mm5\n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "sarl $1, %%edi \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"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "packssdw %%mm5, %%mm4 \n\t"
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm2, 8(%0, %%edi) \n\t"
+ "movq %%mm4, 16(%0, %%edi) \n\t"
+
+ "movd 3080(%1, %%esi), %%mm0 \n\t"
+ "punpckldq 4104(%1, %%esi), %%mm0\n\t"
+ "movd 1032(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 12(%1, %%esi), %%mm1\n\t"
+ "movd 2060(%1, %%esi), %%mm2 \n\t"
+ "punpckldq 3084(%1, %%esi), %%mm2\n\t"
+ "movd 4108(%1, %%esi), %%mm3 \n\t"
+ "punpckldq 1036(%1, %%esi), %%mm3\n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, 24(%0, %%edi) \n\t"
+ "movq %%mm2, 32(%0, %%edi) \n\t"
+
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_MONO_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 1032(%1, %%esi), %%mm1 \n\t"
+ "movq (%1, %%esi), %%mm2 \n\t"
+ "movq 8(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "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;
+}
+
+
projects / synfig.git / blobdiff