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reactos/lib/3rdparty/libmpg123/synth_stereo_x86_64.S
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS] 
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

335 lines
7.3 KiB
ArmAsm
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/*
synth_stereo_x86_64: SSE optimized synth for x86-64 (stereo specific 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 _WIN64
/* short *window; */
#define WINDOW %r10
/* short *b0l; */
#define B0L %rdx
/* short *b0r; */
#define B0R %r8
/* short *samples; */
#define SAMPLES %r9
#else
/* short *window; */
#define WINDOW %rdi
/* short *b0l; */
#define B0L %rsi
/* short *b0r; */
#define B0R %rdx
/* short *samples; */
#define SAMPLES %r9
#endif
#define XMMREG_CLIP %xmm15
#define XMMREG_MAX %xmm14 /* {32767, 32767, 32767, 32767} */
#define XMMREG_MIN %xmm13 /* {-32769, -32769, -32769, -32769} : not -32768 because SSE doesn't have "less than" comparison... */
#define XMMREG_FULL %xmm12 /* {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF} */
/*
int synth_1to1_stereo_x86_64_asm(short *window, short *b0l, short *b0r, short *samples, int bo1);
return value: number of clipped samples
*/
#ifndef __APPLE__
.section .rodata
#else
.data
#endif
ALIGN32
ASM_NAME(maxmin_x86_64):
.long 32767
.long 32767
.long 32767
.long 32767
.long -32769
.long -32769
.long -32769
.long -32769
.text
ALIGN16
.globl ASM_NAME(synth_1to1_stereo_x86_64_asm)
ASM_NAME(synth_1to1_stereo_x86_64_asm):
#ifdef _WIN64 /* should save xmm6-15 */
movl 40(%rsp), %eax /* 5th argument; placed after 32-byte shadow space */
subq $168, %rsp /* stack alignment + 10 xmm registers */
movaps %xmm6, (%rsp)
movaps %xmm7, 16(%rsp)
movaps %xmm8, 32(%rsp)
movaps %xmm9, 48(%rsp)
movaps %xmm10, 64(%rsp)
movaps %xmm11, 80(%rsp)
movaps %xmm12, 96(%rsp)
movaps %xmm13, 112(%rsp)
movaps %xmm14, 128(%rsp)
movaps %xmm15, 144(%rsp)
#endif
#ifdef _WIN64
shlq $32, %rax
shrq $31, %rax
movq %rcx, %r10
#else
movq %r8, %rax
shlq $32, %rax
shrq $31, %rax
movq %rcx, %r9
#endif
leaq 32(WINDOW), WINDOW
subq %rax, WINDOW
leaq ASM_NAME(maxmin_x86_64)(%rip), %rax
movaps (%rax), XMMREG_MAX
movaps 16(%rax), XMMREG_MIN
pxor XMMREG_CLIP, XMMREG_CLIP
pcmpeqd XMMREG_FULL, XMMREG_FULL
movl $4, %ecx
ALIGN16
Loop_start_1:
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 64(WINDOW), %xmm2
movups 80(WINDOW), %xmm3
movups 128(WINDOW), %xmm4
movups 144(WINDOW), %xmm5
movups 192(WINDOW), %xmm6
movups 208(WINDOW), %xmm7
movaps %xmm0, %xmm8
movaps %xmm1, %xmm9
movaps %xmm2, %xmm10
movaps %xmm3, %xmm11
pmaddwd (B0L), %xmm0
pmaddwd 16(B0L), %xmm1
pmaddwd 32(B0L), %xmm2
pmaddwd 48(B0L), %xmm3
pmaddwd (B0R), %xmm8
pmaddwd 16(B0R), %xmm9
pmaddwd 32(B0R), %xmm10
pmaddwd 48(B0R), %xmm11
paddd %xmm1, %xmm0
paddd %xmm3, %xmm2
paddd %xmm9, %xmm8
paddd %xmm11, %xmm10
movaps %xmm4, %xmm1
movaps %xmm5, %xmm9
movaps %xmm6, %xmm3
movaps %xmm7, %xmm11
pmaddwd 64(B0L), %xmm4
pmaddwd 80(B0L), %xmm5
pmaddwd 96(B0L), %xmm6
pmaddwd 112(B0L), %xmm7
pmaddwd 64(B0R), %xmm1
pmaddwd 80(B0R), %xmm9
pmaddwd 96(B0R), %xmm3
pmaddwd 112(B0R), %xmm11
paddd %xmm5, %xmm4
paddd %xmm7, %xmm6
paddd %xmm1, %xmm9
paddd %xmm3, %xmm11
movaps %xmm0, %xmm1
movaps %xmm4, %xmm3
movaps %xmm8, %xmm5
movaps %xmm9, %xmm7
punpckldq %xmm2, %xmm0
punpckldq %xmm6, %xmm4
punpckhdq %xmm2, %xmm1
punpckhdq %xmm6, %xmm3
punpckldq %xmm10, %xmm8
punpckldq %xmm11, %xmm9
punpckhdq %xmm10, %xmm5
punpckhdq %xmm11, %xmm7
movaps %xmm0, %xmm2
movaps %xmm1, %xmm6
movaps %xmm8, %xmm10
movaps %xmm5, %xmm11
movlhps %xmm4, %xmm0
movhlps %xmm2, %xmm4
movlhps %xmm3, %xmm1
movhlps %xmm6, %xmm3
movlhps %xmm9, %xmm8
movhlps %xmm10, %xmm9
movlhps %xmm7, %xmm5
movhlps %xmm11, %xmm7
paddd %xmm4, %xmm0
paddd %xmm3, %xmm1
paddd %xmm9, %xmm8
paddd %xmm7, %xmm5
paddd %xmm1, %xmm0
paddd %xmm5, %xmm8
psrad $13, %xmm0
psrad $13, %xmm8
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
movaps %xmm8, %xmm4
punpckldq %xmm8, %xmm0
punpckhdq %xmm8, %xmm1
packssdw %xmm1, %xmm0
movups %xmm0, (SAMPLES)
pcmpgtd XMMREG_MAX, %xmm2
pcmpgtd XMMREG_MIN, %xmm3
pcmpgtd XMMREG_MAX, %xmm4
pcmpgtd XMMREG_MIN, %xmm8
packssdw %xmm4, %xmm2
packssdw %xmm8, %xmm3
pxor XMMREG_FULL, %xmm3
psrlw $15, %xmm2
psrlw $15, %xmm3
paddw %xmm3, %xmm2
paddw %xmm2, XMMREG_CLIP
leaq 256(WINDOW), WINDOW
leaq 128(B0L), B0L
leaq 128(B0R), B0R
leaq 16(SAMPLES), SAMPLES
decl %ecx
jnz Loop_start_1
movl $4, %ecx
ALIGN16
Loop_start_2:
movups (WINDOW), %xmm0
movups 16(WINDOW), %xmm1
movups 64(WINDOW), %xmm2
movups 80(WINDOW), %xmm3
movups 128(WINDOW), %xmm4
movups 144(WINDOW), %xmm5
movups 192(WINDOW), %xmm6
movups 208(WINDOW), %xmm7
movaps %xmm0, %xmm8
movaps %xmm1, %xmm9
movaps %xmm2, %xmm10
movaps %xmm3, %xmm11
pmaddwd (B0L), %xmm0
pmaddwd 16(B0L), %xmm1
pmaddwd -32(B0L), %xmm2
pmaddwd -16(B0L), %xmm3
pmaddwd (B0R), %xmm8
pmaddwd 16(B0R), %xmm9
pmaddwd -32(B0R), %xmm10
pmaddwd -16(B0R), %xmm11
paddd %xmm1, %xmm0
paddd %xmm3, %xmm2
paddd %xmm9, %xmm8
paddd %xmm11, %xmm10
movaps %xmm4, %xmm1
movaps %xmm5, %xmm9
movaps %xmm6, %xmm3
movaps %xmm7, %xmm11
pmaddwd -64(B0L), %xmm4
pmaddwd -48(B0L), %xmm5
pmaddwd -96(B0L), %xmm6
pmaddwd -80(B0L), %xmm7
pmaddwd -64(B0R), %xmm1
pmaddwd -48(B0R), %xmm9
pmaddwd -96(B0R), %xmm3
pmaddwd -80(B0R), %xmm11
paddd %xmm5, %xmm4
paddd %xmm7, %xmm6
paddd %xmm1, %xmm9
paddd %xmm3, %xmm11
movaps %xmm0, %xmm1
movaps %xmm4, %xmm3
movaps %xmm8, %xmm5
movaps %xmm9, %xmm7
punpckldq %xmm2, %xmm0
punpckldq %xmm6, %xmm4
punpckhdq %xmm2, %xmm1
punpckhdq %xmm6, %xmm3
punpckldq %xmm10, %xmm8
punpckldq %xmm11, %xmm9
punpckhdq %xmm10, %xmm5
punpckhdq %xmm11, %xmm7
movaps %xmm0, %xmm2
movaps %xmm1, %xmm6
movaps %xmm8, %xmm10
movaps %xmm5, %xmm11
movlhps %xmm4, %xmm0
movhlps %xmm2, %xmm4
movlhps %xmm3, %xmm1
movhlps %xmm6, %xmm3
movlhps %xmm9, %xmm8
movhlps %xmm10, %xmm9
movlhps %xmm7, %xmm5
movhlps %xmm11, %xmm7
paddd %xmm4, %xmm0
paddd %xmm3, %xmm1
paddd %xmm9, %xmm8
paddd %xmm7, %xmm5
paddd %xmm1, %xmm0
paddd %xmm5, %xmm8
psrad $13, %xmm0
psrad $13, %xmm8
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
movaps %xmm8, %xmm4
punpckldq %xmm8, %xmm0
punpckhdq %xmm8, %xmm1
packssdw %xmm1, %xmm0
movups %xmm0, (SAMPLES)
pcmpgtd XMMREG_MAX, %xmm2
pcmpgtd XMMREG_MIN, %xmm3
pcmpgtd XMMREG_MAX, %xmm4
pcmpgtd XMMREG_MIN, %xmm8
packssdw %xmm4, %xmm2
packssdw %xmm8, %xmm3
pxor XMMREG_FULL, %xmm3
psrlw $15, %xmm2
psrlw $15, %xmm3
paddw %xmm3, %xmm2
paddw %xmm2, XMMREG_CLIP
leaq 256(WINDOW), WINDOW
leaq -128(B0L), B0L
leaq -128(B0R), B0R
leaq 16(SAMPLES), SAMPLES
decl %ecx
jnz Loop_start_2
movhlps XMMREG_CLIP, %xmm0
paddw XMMREG_CLIP, %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 _WIN64
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 $168, %rsp
#endif
ret
NONEXEC_STACK
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