synth_stereo_x86_64_accurate.S
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/*
synth_stereo_x86_64_accurate: SSE optimized synth for x86-64 (stereo specific, 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"
#ifdef IS_MSABI
/* short *window; */
#define WINDOW %rsi
/* short *b0l; */
#define B0L %rdx
/* short *b0r; */
#define B0R %r8
/* short *samples; */
#define SAMPLES %r9
#else
/* real *window; */
#define WINDOW %rdi
/* real *b0l; */
#define B0L %rsi
/* real *b0r; */
#define B0R %rdx
/* real *samples; */
#define SAMPLES %r8
#endif
#define XMMREG_MAX (%r10) /* {32767.0, 32767.0, 32767.0, 32767.0} */
#define XMMREG_MIN (%r11) /* {-32768.0, -32768.0, -32768.0, -32768.0} */
#define TEMP_CLIP (%rsp)
/*
int synth_1to1_s_x86_64_accurate_asm(real *window, real *b0l, real *b0r, short *samples, int bo1);
return value: number of clipped samples
*/
#ifndef __APPLE__
.section .rodata
#else
.data
#endif
ALIGN32
ASM_NAME(maxmin_s16):
.long 1191181824
.long 1191181824
.long 1191181824
.long 1191181824
.long -956301312
.long -956301312
.long -956301312
.long -956301312
.text
ALIGN16
.globl ASM_NAME(synth_1to1_s_x86_64_accurate_asm)
ASM_NAME(synth_1to1_s_x86_64_accurate_asm):
#ifdef IS_MSABI /* should save xmm6-15 */
movl 40(%rsp), %eax /* 5th argument; placed after 32-byte shadow space */
pushq %rsi
subq $176, %rsp /* 10 xmm registers + temp */
movaps %xmm6, 16(%rsp)
movaps %xmm7, 32(%rsp)
movaps %xmm8, 48(%rsp)
movaps %xmm9, 64(%rsp)
movaps %xmm10, 80(%rsp)
movaps %xmm11, 96(%rsp)
movaps %xmm12, 112(%rsp)
movaps %xmm13, 128(%rsp)
movaps %xmm14, 144(%rsp)
movaps %xmm15, 160(%rsp)
#else
subq $24, %rsp /* stack alignment + temp */
#endif
leaq ASM_NAME(maxmin_s16)(%rip), %r10
leaq 16(%r10), %r11
xorps %xmm0, %xmm0
movaps %xmm0, TEMP_CLIP
#ifdef IS_MSABI
shlq $32, %rax
shrq $30, %rax
movq %rcx, %rbx
#else
movq %r8, %rax
shlq $32, %rax
shrq $30, %rax
movq %rcx, %r8
#endif
leaq 64(WINDOW), WINDOW
subq %rax, WINDOW
movl $4, %ecx
ALIGN16
1:
movups (WINDOW), %xmm8
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm9
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
movaps %xmm8, %xmm0
movaps %xmm1, %xmm4
movaps %xmm2, %xmm10
movaps %xmm3, %xmm11
movaps %xmm9, %xmm12
movaps %xmm5, %xmm13
movaps %xmm6, %xmm14
movaps %xmm7, %xmm15
mulps (B0L), %xmm8
mulps 16(B0L), %xmm1
mulps 32(B0L), %xmm2
mulps 48(B0L), %xmm3
mulps 64(B0L), %xmm9
mulps 80(B0L), %xmm5
mulps 96(B0L), %xmm6
mulps 112(B0L), %xmm7
mulps (B0R), %xmm0
mulps 16(B0R), %xmm4
mulps 32(B0R), %xmm10
mulps 48(B0R), %xmm11
mulps 64(B0R), %xmm12
mulps 80(B0R), %xmm13
mulps 96(B0R), %xmm14
mulps 112(B0R), %xmm15
addps %xmm1, %xmm8
addps %xmm2, %xmm3
addps %xmm4, %xmm0
addps %xmm11, %xmm10
addps %xmm5, %xmm9
addps %xmm7, %xmm6
addps %xmm13, %xmm12
addps %xmm15, %xmm14
addps %xmm3, %xmm8
addps %xmm6, %xmm9
addps %xmm10, %xmm0
addps %xmm12, %xmm14
movaps %xmm0, %xmm12
movaps %xmm14, %xmm13
leaq 256(WINDOW), WINDOW
leaq 128(B0L), B0L
leaq 128(B0R), B0R
movups (WINDOW), %xmm10
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm11
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
movaps %xmm10, %xmm0
movaps %xmm1, %xmm4
movaps %xmm2, %xmm14
movaps %xmm3, %xmm15
mulps (B0L), %xmm10
mulps 16(B0L), %xmm1
mulps 32(B0L), %xmm2
mulps 48(B0L), %xmm3
mulps (B0R), %xmm0
mulps 16(B0R), %xmm4
mulps 32(B0R), %xmm14
mulps 48(B0R), %xmm15
addps %xmm1, %xmm10
addps %xmm2, %xmm3
addps %xmm4, %xmm0
addps %xmm15, %xmm14
movaps %xmm11, %xmm1
movaps %xmm5, %xmm2
movaps %xmm6, %xmm4
movaps %xmm7, %xmm15
mulps 64(B0L), %xmm11
mulps 80(B0L), %xmm5
mulps 96(B0L), %xmm6
mulps 112(B0L), %xmm7
mulps 64(B0R), %xmm1
mulps 80(B0R), %xmm2
mulps 96(B0R), %xmm4
mulps 112(B0R), %xmm15
addps %xmm5, %xmm11
addps %xmm7, %xmm6
addps %xmm2, %xmm1
addps %xmm15, %xmm4
addps %xmm3, %xmm10
addps %xmm6, %xmm11
addps %xmm0, %xmm14
addps %xmm4, %xmm1
movaps %xmm1, %xmm15
leaq 256(WINDOW), WINDOW
leaq 128(B0L), B0L
leaq 128(B0R), B0R
movaps %xmm8, %xmm0
movaps %xmm10, %xmm1
movaps %xmm12, %xmm4
movaps %xmm14, %xmm5
unpcklps %xmm9, %xmm8
unpcklps %xmm11, %xmm10
unpckhps %xmm9, %xmm0
unpckhps %xmm11, %xmm1
unpcklps %xmm13, %xmm12
unpcklps %xmm15, %xmm14
unpckhps %xmm13, %xmm4
unpckhps %xmm15, %xmm5
movaps %xmm8, %xmm2
movaps %xmm0, %xmm3
movaps %xmm12, %xmm6
movaps %xmm4, %xmm7
movlhps %xmm10, %xmm8
movhlps %xmm2, %xmm10
movlhps %xmm1, %xmm0
movhlps %xmm3, %xmm1
movlhps %xmm14, %xmm12
movhlps %xmm6, %xmm14
movlhps %xmm5, %xmm4
movhlps %xmm7, %xmm5
subps %xmm10, %xmm8
subps %xmm1, %xmm0
subps %xmm14, %xmm12
subps %xmm5, %xmm4
addps %xmm8, %xmm0
addps %xmm12, %xmm4
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
movaps %xmm4, %xmm5
movaps %xmm4, %xmm6
cmpnleps XMMREG_MAX, %xmm2
cmpltps XMMREG_MIN, %xmm3
cmpnleps XMMREG_MAX, %xmm5
cmpltps XMMREG_MIN, %xmm6
cvtps2dq %xmm0, %xmm0
cvtps2dq %xmm4, %xmm4
movaps %xmm0, %xmm1
unpcklps %xmm4, %xmm0
unpckhps %xmm4, %xmm1
packssdw %xmm1, %xmm0
movups %xmm0, (SAMPLES)
packssdw %xmm5, %xmm2
packssdw %xmm6, %xmm3
psrlw $15, %xmm2
psrlw $15, %xmm3
paddw %xmm3, %xmm2
paddw TEMP_CLIP, %xmm2
movaps %xmm2, TEMP_CLIP
leaq 16(SAMPLES), SAMPLES
decl %ecx
jnz 1b
movl $4, %ecx
ALIGN16
1:
movups (WINDOW), %xmm8
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm9
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
movaps %xmm8, %xmm0
movaps %xmm1, %xmm4
movaps %xmm2, %xmm10
movaps %xmm3, %xmm11
movaps %xmm9, %xmm12
movaps %xmm5, %xmm13
movaps %xmm6, %xmm14
movaps %xmm7, %xmm15
mulps (B0L), %xmm8
mulps 16(B0L), %xmm1
mulps 32(B0L), %xmm2
mulps 48(B0L), %xmm3
mulps -64(B0L), %xmm9
mulps -48(B0L), %xmm5
mulps -32(B0L), %xmm6
mulps -16(B0L), %xmm7
mulps (B0R), %xmm0
mulps 16(B0R), %xmm4
mulps 32(B0R), %xmm10
mulps 48(B0R), %xmm11
mulps -64(B0R), %xmm12
mulps -48(B0R), %xmm13
mulps -32(B0R), %xmm14
mulps -16(B0R), %xmm15
addps %xmm1, %xmm8
addps %xmm2, %xmm3
addps %xmm4, %xmm0
addps %xmm11, %xmm10
addps %xmm5, %xmm9
addps %xmm7, %xmm6
addps %xmm13, %xmm12
addps %xmm15, %xmm14
addps %xmm3, %xmm8
addps %xmm6, %xmm9
addps %xmm10, %xmm0
addps %xmm12, %xmm14
movaps %xmm0, %xmm12
movaps %xmm14, %xmm13
leaq 256(WINDOW), WINDOW
leaq -128(B0L), B0L
leaq -128(B0R), B0R
movups (WINDOW), %xmm10
movups 16(WINDOW), %xmm1
movups 32(WINDOW), %xmm2
movups 48(WINDOW), %xmm3
movups 128(WINDOW), %xmm11
movups 144(WINDOW), %xmm5
movups 160(WINDOW), %xmm6
movups 176(WINDOW), %xmm7
movaps %xmm10, %xmm0
movaps %xmm1, %xmm4
movaps %xmm2, %xmm14
movaps %xmm3, %xmm15
mulps (B0L), %xmm10
mulps 16(B0L), %xmm1
mulps 32(B0L), %xmm2
mulps 48(B0L), %xmm3
mulps (B0R), %xmm0
mulps 16(B0R), %xmm4
mulps 32(B0R), %xmm14
mulps 48(B0R), %xmm15
addps %xmm1, %xmm10
addps %xmm2, %xmm3
addps %xmm4, %xmm0
addps %xmm15, %xmm14
movaps %xmm11, %xmm1
movaps %xmm5, %xmm2
movaps %xmm6, %xmm4
movaps %xmm7, %xmm15
mulps -64(B0L), %xmm11
mulps -48(B0L), %xmm5
mulps -32(B0L), %xmm6
mulps -16(B0L), %xmm7
mulps -64(B0R), %xmm1
mulps -48(B0R), %xmm2
mulps -32(B0R), %xmm4
mulps -16(B0R), %xmm15
addps %xmm5, %xmm11
addps %xmm7, %xmm6
addps %xmm2, %xmm1
addps %xmm15, %xmm4
addps %xmm3, %xmm10
addps %xmm6, %xmm11
addps %xmm0, %xmm14
addps %xmm4, %xmm1
movaps %xmm1, %xmm15
leaq 256(WINDOW), WINDOW
leaq -128(B0L), B0L
leaq -128(B0R), B0R
movaps %xmm8, %xmm0
movaps %xmm10, %xmm1
movaps %xmm12, %xmm4
movaps %xmm14, %xmm5
unpcklps %xmm9, %xmm8
unpcklps %xmm11, %xmm10
unpckhps %xmm9, %xmm0
unpckhps %xmm11, %xmm1
unpcklps %xmm13, %xmm12
unpcklps %xmm15, %xmm14
unpckhps %xmm13, %xmm4
unpckhps %xmm15, %xmm5
movaps %xmm8, %xmm2
movaps %xmm0, %xmm3
movaps %xmm12, %xmm6
movaps %xmm4, %xmm7
movlhps %xmm10, %xmm8
movhlps %xmm2, %xmm10
movlhps %xmm1, %xmm0
movhlps %xmm3, %xmm1
movlhps %xmm14, %xmm12
movhlps %xmm6, %xmm14
movlhps %xmm5, %xmm4
movhlps %xmm7, %xmm5
addps %xmm10, %xmm8
addps %xmm1, %xmm0
addps %xmm14, %xmm12
addps %xmm5, %xmm4
addps %xmm8, %xmm0
addps %xmm12, %xmm4
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
movaps %xmm4, %xmm5
movaps %xmm4, %xmm6
cmpnleps XMMREG_MAX, %xmm2
cmpltps XMMREG_MIN, %xmm3
cmpnleps XMMREG_MAX, %xmm5
cmpltps XMMREG_MIN, %xmm6
cvtps2dq %xmm0, %xmm0
cvtps2dq %xmm4, %xmm4
movaps %xmm0, %xmm1
unpcklps %xmm4, %xmm0
unpckhps %xmm4, %xmm1
packssdw %xmm1, %xmm0
movups %xmm0, (SAMPLES)
packssdw %xmm5, %xmm2
packssdw %xmm6, %xmm3
psrlw $15, %xmm2
psrlw $15, %xmm3
paddw %xmm3, %xmm2
paddw TEMP_CLIP, %xmm2
movaps %xmm2, TEMP_CLIP
leaq 16(SAMPLES), SAMPLES
decl %ecx
jnz 1b
movaps TEMP_CLIP, %xmm4
movhlps %xmm4, %xmm0
paddw %xmm4, %xmm0
pshuflw $0x55, %xmm0, %xmm1
pshuflw $0xaa, %xmm0, %xmm2
pshuflw $0xff, %xmm0, %xmm3
paddw %xmm1, %xmm0
paddw %xmm2, %xmm0
paddw %xmm3, %xmm0
movd %xmm0, %eax
andl $0xffff, %eax
#ifdef IS_MSABI
movaps (%rsp), %xmm6
movaps 16(%rsp), %xmm7
movaps 32(%rsp), %xmm8
movaps 48(%rsp), %xmm9
movaps 64(%rsp), %xmm10
movaps 80(%rsp), %xmm11
movaps 96(%rsp), %xmm12
movaps 112(%rsp), %xmm13
movaps 128(%rsp), %xmm14
movaps 144(%rsp), %xmm15
addq $176, %rsp
popq %rsi
#else
addq $24, %rsp
#endif
ret
NONEXEC_STACK