mirror of https://github.com/mpv-player/mpv
248 lines
6.8 KiB
C
248 lines
6.8 KiB
C
/*
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* this code comes under GPL
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* This code was taken from http://www.mpg123.org
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* See ChangeLog of mpg123-0.59s-pre.1 for detail
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* Applied to mplayer by Nick Kurshev <nickols_k@mail.ru>
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*
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* Local ChangeLog:
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* - Partial loops unrolling and removing MOVW insn from loops
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*/
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#include "../mangle.h"
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#define real float /* ugly - but only way */
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static unsigned long long __attribute__((aligned(8))) null_one = 0x0000ffff0000ffffULL;
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static unsigned long long __attribute__((aligned(8))) one_null = 0xffff0000ffff0000ULL;
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unsigned long __attribute__((aligned(8))) costab_mmx[] =
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{
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1056974725,
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1057056395,
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1057223771,
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1057485416,
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1057855544,
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1058356026,
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1059019886,
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1059897405,
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1061067246,
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1062657950,
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1064892987,
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1066774581,
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1069414683,
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1073984175,
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1079645762,
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1092815430,
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1057005197,
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1057342072,
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1058087743,
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1059427869,
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1061799040,
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1065862217,
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1071413542,
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1084439708,
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1057128951,
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1058664893,
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1063675095,
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1076102863,
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1057655764,
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1067924853,
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1060439283,
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};
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static int temp; // buggy gcc 3.x fails if this is moved into the function :(
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void synth_1to1_MMX_s(real *bandPtr, int channel, short *samples,
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short *buffs, int *bo)
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{
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__asm __volatile(
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"movl %1,%%ecx\n\t"
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"movl %2,%%edi\n\t"
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"movl $15,%%ebx\n\t"
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"movl %4,%%edx\n\t"
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"leal (%%edi,%%ecx,2),%%edi\n\t"
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"decl %%ecx\n\t"
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"movl %3,%%esi\n\t"
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"movl (%%edx),%%eax\n\t"
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"jecxz .L01\n\t"
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"decl %%eax\n\t"
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"andl %%ebx,%%eax\n\t"
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"leal 1088(%%esi),%%esi\n\t"
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"movl %%eax,(%%edx)\n\t"
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".L01:\n\t"
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"leal (%%esi,%%eax,2),%%edx\n\t"
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"movl %%eax,%5\n\t"
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"incl %%eax\n\t"
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"andl %%ebx,%%eax\n\t"
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"leal 544(%%esi,%%eax,2),%%ecx\n\t"
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"incl %%ebx\n\t"
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"testl $1, %%eax\n\t"
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"jnz .L02\n\t"
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"xchgl %%edx,%%ecx\n\t"
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"incl %5\n\t"
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"leal 544(%%esi),%%esi\n\t"
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".L02:\n\t"
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"emms\n\t"
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"pushl %0\n\t"
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"pushl %%edx\n\t"
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"pushl %%ecx\n\t"
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"call *"MANGLE(dct64_MMX_func)"\n\t"
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"addl $12, %%esp\n\t"
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"leal 1(%%ebx), %%ecx\n\t"
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"subl %5,%%ebx\n\t"
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"pushl %%ecx\n\t"
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"leal "MANGLE(mp3lib_decwins)"(%%ebx,%%ebx,1), %%edx\n\t"
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"shrl $1, %%ecx\n\t"
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".balign 16\n\t"
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".L03:\n\t"
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"movq (%%edx),%%mm0\n\t"
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"movq 64(%%edx),%%mm4\n\t"
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"pmaddwd (%%esi),%%mm0\n\t"
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"pmaddwd 32(%%esi),%%mm4\n\t"
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"movq 8(%%edx),%%mm1\n\t"
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"movq 72(%%edx),%%mm5\n\t"
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"pmaddwd 8(%%esi),%%mm1\n\t"
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"pmaddwd 40(%%esi),%%mm5\n\t"
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"movq 16(%%edx),%%mm2\n\t"
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"movq 80(%%edx),%%mm6\n\t"
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"pmaddwd 16(%%esi),%%mm2\n\t"
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"pmaddwd 48(%%esi),%%mm6\n\t"
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"movq 24(%%edx),%%mm3\n\t"
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"movq 88(%%edx),%%mm7\n\t"
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"pmaddwd 24(%%esi),%%mm3\n\t"
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"pmaddwd 56(%%esi),%%mm7\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm6,%%mm4\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"paddd %%mm7,%%mm4\n\t"
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"movq %%mm0,%%mm1\n\t"
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"movq %%mm4,%%mm5\n\t"
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"psrlq $32,%%mm1\n\t"
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"psrlq $32,%%mm5\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"psrad $13,%%mm0\n\t"
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"psrad $13,%%mm4\n\t"
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"packssdw %%mm0,%%mm0\n\t"
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"packssdw %%mm4,%%mm4\n\t"
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"movq (%%edi), %%mm1\n\t"
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"punpckldq %%mm4, %%mm0\n\t"
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"pand "MANGLE(one_null)", %%mm1\n\t"
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"pand "MANGLE(null_one)", %%mm0\n\t"
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"por %%mm0, %%mm1\n\t"
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"movq %%mm1,(%%edi)\n\t"
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"leal 64(%%esi),%%esi\n\t"
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"leal 128(%%edx),%%edx\n\t"
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"leal 8(%%edi),%%edi\n\t"
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"decl %%ecx\n\t"
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"jnz .L03\n\t"
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"popl %%ecx\n\t"
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"andl $1, %%ecx\n\t"
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"jecxz .next_loop\n\t"
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"movq (%%edx),%%mm0\n\t"
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"pmaddwd (%%esi),%%mm0\n\t"
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"movq 8(%%edx),%%mm1\n\t"
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"pmaddwd 8(%%esi),%%mm1\n\t"
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"movq 16(%%edx),%%mm2\n\t"
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"pmaddwd 16(%%esi),%%mm2\n\t"
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"movq 24(%%edx),%%mm3\n\t"
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"pmaddwd 24(%%esi),%%mm3\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"movq %%mm0,%%mm1\n\t"
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"psrlq $32,%%mm1\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"psrad $13,%%mm0\n\t"
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"packssdw %%mm0,%%mm0\n\t"
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"movd %%mm0,%%eax\n\t"
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"movw %%ax, (%%edi)\n\t"
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"leal 32(%%esi),%%esi\n\t"
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"leal 64(%%edx),%%edx\n\t"
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"leal 4(%%edi),%%edi\n\t"
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".next_loop:\n\t"
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"subl $64,%%esi\n\t"
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"movl $7,%%ecx\n\t"
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".balign 16\n\t"
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".L04:\n\t"
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"movq (%%edx),%%mm0\n\t"
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"movq 64(%%edx),%%mm4\n\t"
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"pmaddwd (%%esi),%%mm0\n\t"
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"pmaddwd -32(%%esi),%%mm4\n\t"
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"movq 8(%%edx),%%mm1\n\t"
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"movq 72(%%edx),%%mm5\n\t"
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"pmaddwd 8(%%esi),%%mm1\n\t"
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"pmaddwd -24(%%esi),%%mm5\n\t"
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"movq 16(%%edx),%%mm2\n\t"
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"movq 80(%%edx),%%mm6\n\t"
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"pmaddwd 16(%%esi),%%mm2\n\t"
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"pmaddwd -16(%%esi),%%mm6\n\t"
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"movq 24(%%edx),%%mm3\n\t"
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"movq 88(%%edx),%%mm7\n\t"
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"pmaddwd 24(%%esi),%%mm3\n\t"
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"pmaddwd -8(%%esi),%%mm7\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm6,%%mm4\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"paddd %%mm7,%%mm4\n\t"
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"movq %%mm0,%%mm1\n\t"
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"movq %%mm4,%%mm5\n\t"
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"psrlq $32,%%mm1\n\t"
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"psrlq $32,%%mm5\n\t"
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"paddd %%mm0,%%mm1\n\t"
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"paddd %%mm4,%%mm5\n\t"
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"psrad $13,%%mm1\n\t"
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"psrad $13,%%mm5\n\t"
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"packssdw %%mm1,%%mm1\n\t"
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"packssdw %%mm5,%%mm5\n\t"
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"psubd %%mm0,%%mm0\n\t"
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"psubd %%mm4,%%mm4\n\t"
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"psubsw %%mm1,%%mm0\n\t"
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"psubsw %%mm5,%%mm4\n\t"
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"movq (%%edi), %%mm1\n\t"
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"punpckldq %%mm4, %%mm0\n\t"
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"pand "MANGLE(one_null)", %%mm1\n\t"
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"pand "MANGLE(null_one)", %%mm0\n\t"
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"por %%mm0, %%mm1\n\t"
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"movq %%mm1,(%%edi)\n\t"
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"subl $64,%%esi\n\t"
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"addl $128,%%edx\n\t"
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"leal 8(%%edi),%%edi\n\t"
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"decl %%ecx\n\t"
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"jnz .L04\n\t"
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"movq (%%edx),%%mm0\n\t"
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"pmaddwd (%%esi),%%mm0\n\t"
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"movq 8(%%edx),%%mm1\n\t"
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"pmaddwd 8(%%esi),%%mm1\n\t"
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"movq 16(%%edx),%%mm2\n\t"
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"pmaddwd 16(%%esi),%%mm2\n\t"
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"movq 24(%%edx),%%mm3\n\t"
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"pmaddwd 24(%%esi),%%mm3\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"movq %%mm0,%%mm1\n\t"
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"psrlq $32,%%mm1\n\t"
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"paddd %%mm0,%%mm1\n\t"
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"psrad $13,%%mm1\n\t"
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"packssdw %%mm1,%%mm1\n\t"
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"psubd %%mm0,%%mm0\n\t"
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"psubsw %%mm1,%%mm0\n\t"
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"movd %%mm0,%%eax\n\t"
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"movw %%ax,(%%edi)\n\t"
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"emms\n\t"
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:
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:"m"(bandPtr),"m"(channel),"m"(samples),"m"(buffs),"m"(bo), "m"(temp)
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:"memory","%edi","%esi","%ebx","%esp");
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}
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