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synth_sse_accurate.S
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synth_sse_accurate.S
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/*
synth_sse_accurate: SSE optimized synth (MPEG-compliant 16bit output version)
copyright 1995-2009 by the mpg123 project - free software under the terms of the LGPL 2.1
see COPYING and AUTHORS files in distribution or http://mpg123.org
initially written by Taihei Monma
*/
#include "mangle.h"
/* real *window; */
#define WINDOW %ebx
/* real *b0; */
#define B0 %edx
/* real *samples; */
#define SAMPLES %esi
#define MMREG_CLIP %mm7
/*
int synth_1to1_sse_accurate_asm(real *window, real *b0, short *samples, int bo1);
return value: number of clipped samples
*/
#if !defined(__APPLE__) && !defined(__EMX__)
.section .rodata
#else
.data
#endif
ALIGN32
maxmin_s16:
.long 1191181824 /* 32767.0 */
.long 1191181824
.long 1191181824
.long 1191181824
.long -956301312 /* -32768.0 */
.long -956301312
.long -956301312
.long -956301312
.text
ALIGN16
.globl ASM_NAME(synth_1to1_sse_accurate_asm)
ASM_NAME(synth_1to1_sse_accurate_asm):
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %esi
pxor MMREG_CLIP, MMREG_CLIP
movl 8(%ebp), WINDOW
movl 12(%ebp), B0
movl 16(%ebp), SAMPLES
movl 20(%ebp), %eax
shll $2, %eax
leal 64(WINDOW), WINDOW
subl %eax, WINDOW
#undef _EBX_
#define _EBX_ %eax
GET_GOT
movl $4, %ecx
ALIGN16
1:
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm4
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
mulps 0(B0), %xmm0
mulps 16(B0), %xmm1
mulps 32(B0), %xmm2
mulps 48(B0), %xmm3
mulps 64(B0), %xmm4
mulps 80(B0), %xmm5
mulps 96(B0), %xmm6
mulps 112(B0), %xmm7
addps %xmm1, %xmm0
addps %xmm3, %xmm2
addps %xmm5, %xmm4
addps %xmm7, %xmm6
addps %xmm2, %xmm0
addps %xmm6, %xmm4
movaps %xmm4, %xmm5
movaps %xmm0, %xmm4
leal 256(WINDOW), WINDOW
leal 128(B0), B0
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm6
movups 144(WINDOW), %xmm7
mulps (B0), %xmm0
mulps 16(B0), %xmm1
mulps 32(B0), %xmm2
mulps 48(B0), %xmm3
mulps 64(B0), %xmm6
mulps 80(B0), %xmm7
addps %xmm1, %xmm0
addps %xmm3, %xmm2
addps %xmm7, %xmm6
movups 160(WINDOW), %xmm1
movups 176(WINDOW), %xmm3
mulps 96(B0), %xmm1
mulps 112(B0), %xmm3
addps %xmm2, %xmm0
addps %xmm3, %xmm1
addps %xmm1, %xmm6
movaps %xmm6, %xmm7
movaps %xmm0, %xmm6
leal 256(WINDOW), WINDOW
leal 128(B0), B0
movaps %xmm4, %xmm0
movaps %xmm6, %xmm1
unpcklps %xmm5, %xmm4
unpcklps %xmm7, %xmm6
unpckhps %xmm5, %xmm0
unpckhps %xmm7, %xmm1
movaps %xmm4, %xmm2
movaps %xmm0, %xmm3
movlhps %xmm6, %xmm4
movhlps %xmm2, %xmm6
movlhps %xmm1, %xmm0
movhlps %xmm3, %xmm1
subps %xmm6, %xmm4
subps %xmm1, %xmm0
addps %xmm4, %xmm0
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
pshufw $0xdd, (SAMPLES), %mm2
pshufw $0xdd, 8(SAMPLES), %mm3
cmpnleps LOCAL_VAR(maxmin_s16), %xmm1
cmpltps 16+LOCAL_VAR(maxmin_s16), %xmm2
cvtps2pi %xmm0, %mm0
movhlps %xmm0, %xmm0
cvtps2pi %xmm0, %mm1
packssdw %mm1, %mm0
movq %mm0, %mm1
punpcklwd %mm2, %mm0
punpckhwd %mm3, %mm1
movq %mm0, (SAMPLES)
movq %mm1, 8(SAMPLES)
cvtps2pi %xmm1, %mm0
cvtps2pi %xmm2, %mm1
movhlps %xmm1, %xmm1
movhlps %xmm2, %xmm2
cvtps2pi %xmm1, %mm2
cvtps2pi %xmm2, %mm3
packssdw %mm2, %mm0
packssdw %mm3, %mm1
psrlw $15, %mm0
psrlw $15, %mm1
paddw %mm1, %mm0
paddw %mm0, MMREG_CLIP
leal 16(SAMPLES), SAMPLES
decl %ecx
jnz 1b
movl $4, %ecx
ALIGN16
1:
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm4
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
mulps 0(B0), %xmm0
mulps 16(B0), %xmm1
mulps 32(B0), %xmm2
mulps 48(B0), %xmm3
mulps -64(B0), %xmm4
mulps -48(B0), %xmm5
mulps -32(B0), %xmm6
mulps -16(B0), %xmm7
addps %xmm1, %xmm0
addps %xmm3, %xmm2
addps %xmm5, %xmm4
addps %xmm7, %xmm6
addps %xmm2, %xmm0
addps %xmm6, %xmm4
movaps %xmm4, %xmm5
movaps %xmm0, %xmm4
leal 256(WINDOW), WINDOW
leal -128(B0), B0
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm6
movups 144(WINDOW), %xmm7
mulps (B0), %xmm0
mulps 16(B0), %xmm1
mulps 32(B0), %xmm2
mulps 48(B0), %xmm3
mulps -64(B0), %xmm6
mulps -48(B0), %xmm7
addps %xmm1, %xmm0
addps %xmm3, %xmm2
addps %xmm7, %xmm6
movups 160(WINDOW), %xmm1
movups 176(WINDOW), %xmm3
mulps -32(B0), %xmm1
mulps -16(B0), %xmm3
addps %xmm2, %xmm0
addps %xmm3, %xmm1
addps %xmm1, %xmm6
movaps %xmm6, %xmm7
movaps %xmm0, %xmm6
leal 256(WINDOW), WINDOW
leal -128(B0), B0
movaps %xmm4, %xmm0
movaps %xmm6, %xmm1
unpcklps %xmm5, %xmm4
unpcklps %xmm7, %xmm6
unpckhps %xmm5, %xmm0
unpckhps %xmm7, %xmm1
movaps %xmm4, %xmm2
movaps %xmm0, %xmm3
movlhps %xmm6, %xmm4
movhlps %xmm2, %xmm6
movlhps %xmm1, %xmm0
movhlps %xmm3, %xmm1
addps %xmm6, %xmm4
addps %xmm1, %xmm0
addps %xmm4, %xmm0
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
pshufw $0xdd, (SAMPLES), %mm2
pshufw $0xdd, 8(SAMPLES), %mm3
cmpnleps LOCAL_VAR(maxmin_s16), %xmm1
cmpltps 16+LOCAL_VAR(maxmin_s16), %xmm2
cvtps2pi %xmm0, %mm0
movhlps %xmm0, %xmm0
cvtps2pi %xmm0, %mm1
packssdw %mm1, %mm0
movq %mm0, %mm1
punpcklwd %mm2, %mm0
punpckhwd %mm3, %mm1
movq %mm0, (SAMPLES)
movq %mm1, 8(SAMPLES)
cvtps2pi %xmm1, %mm0
cvtps2pi %xmm2, %mm1
movhlps %xmm1, %xmm1
movhlps %xmm2, %xmm2
cvtps2pi %xmm1, %mm2
cvtps2pi %xmm2, %mm3
packssdw %mm2, %mm0
packssdw %mm3, %mm1
psrlw $15, %mm0
psrlw $15, %mm1
paddw %mm1, %mm0
paddw %mm0, MMREG_CLIP
leal 16(SAMPLES), SAMPLES
decl %ecx
jnz 1b
pshufw $0xee, MMREG_CLIP, %mm0
paddw MMREG_CLIP, %mm0
pshufw $0x55, %mm0, %mm1
paddw %mm1, %mm0
movd %mm0, %eax
andl $0xffff, %eax
popl %esi
popl %ebx
movl %ebp, %esp
popl %ebp
emms
ret
NONEXEC_STACK