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