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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
260 lines
5.3 KiB
ArmAsm
260 lines
5.3 KiB
ArmAsm
/*
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synth_x86_64_float: SSE optimized synth for x86-64 (float output version)
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copyright 1995-2009 by the mpg123 project - free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http://mpg123.org
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initially written by Taihei Monma
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*/
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#include "mangle.h"
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#ifdef _WIN64
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/* short *window; */
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#define ARG0 %r10
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/* short *b0; */
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#define ARG1 %rdx
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/* short *samples; */
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#define ARG2 %r8
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/* int bo1; */
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#define ARG3 %r9
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#else
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/* real *window; */
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#define ARG0 %rdi
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/* real *b0; */
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#define ARG1 %rsi
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/* real *samples; */
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#define ARG2 %rdx
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/* int bo1; */
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#define ARG3 %rcx
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#endif
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#define XMMREG_SCALE %xmm15 /* {1/32768.0, 1/32768.0, 1/32768.0, 1/32768.0} */
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/*
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int synth_1to1_real_x86_64_asm(real *window, real *b0, real *samples, int bo1);
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return value: number of clipped samples (0)
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*/
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#ifndef __APPLE__
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.section .rodata
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#else
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.data
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#endif
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ALIGN32
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ASM_NAME(scale_x86_64):
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.long 939524096
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.long 939524096
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.long 939524096
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.long 939524096
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.text
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ALIGN16
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.globl ASM_NAME(synth_1to1_real_x86_64_asm)
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ASM_NAME(synth_1to1_real_x86_64_asm):
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#ifdef _WIN64 /* should save xmm6-15 */
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movq %rcx, ARG0
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subq $120, %rsp /* stack alignment + 7 xmm registers */
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movaps %xmm6, (%rsp)
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movaps %xmm7, 16(%rsp)
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movaps %xmm8, 32(%rsp)
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movaps %xmm9, 48(%rsp)
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movaps %xmm10, 64(%rsp)
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movaps %xmm11, 80(%rsp)
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movaps %xmm15, 96(%rsp)
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#endif
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leaq ASM_NAME(scale_x86_64)(%rip), %rax
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movaps (%rax), XMMREG_SCALE
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andq $0xf, ARG3
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shlq $2, ARG3
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leaq 64(ARG0), ARG0
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subq ARG3, ARG0
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movl $4, %ecx
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ALIGN16
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Loop_start_1:
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movups (ARG0), %xmm8
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movups 16(ARG0), %xmm1
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movups 32(ARG0), %xmm2
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movups 48(ARG0), %xmm3
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movups 128(ARG0), %xmm9
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movups 144(ARG0), %xmm5
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movups 160(ARG0), %xmm6
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movups 176(ARG0), %xmm7
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mulps (ARG1), %xmm8
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mulps 16(ARG1), %xmm1
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mulps 32(ARG1), %xmm2
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mulps 48(ARG1), %xmm3
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mulps 64(ARG1), %xmm9
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mulps 80(ARG1), %xmm5
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mulps 96(ARG1), %xmm6
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mulps 112(ARG1), %xmm7
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addps %xmm1, %xmm8
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addps %xmm2, %xmm3
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addps %xmm5, %xmm9
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addps %xmm7, %xmm6
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addps %xmm3, %xmm8
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addps %xmm6, %xmm9
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leaq 256(ARG0), ARG0
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leaq 128(ARG1), ARG1
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movups (ARG0), %xmm10
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movups 16(ARG0), %xmm1
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movups 32(ARG0), %xmm2
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movups 48(ARG0), %xmm3
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movups 128(ARG0), %xmm11
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movups 144(ARG0), %xmm5
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movups 160(ARG0), %xmm6
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movups 176(ARG0), %xmm7
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mulps (ARG1), %xmm10
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mulps 16(ARG1), %xmm1
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mulps 32(ARG1), %xmm2
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mulps 48(ARG1), %xmm3
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mulps 64(ARG1), %xmm11
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mulps 80(ARG1), %xmm5
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mulps 96(ARG1), %xmm6
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mulps 112(ARG1), %xmm7
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addps %xmm1, %xmm10
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addps %xmm2, %xmm3
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addps %xmm5, %xmm11
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addps %xmm7, %xmm6
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addps %xmm3, %xmm10
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addps %xmm6, %xmm11
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leaq 256(ARG0), ARG0
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leaq 128(ARG1), ARG1
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movaps %xmm8, %xmm0
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movaps %xmm10, %xmm1
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unpcklps %xmm9, %xmm8
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unpcklps %xmm11, %xmm10
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unpckhps %xmm9, %xmm0
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unpckhps %xmm11, %xmm1
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movaps %xmm8, %xmm2
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movaps %xmm0, %xmm3
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movlhps %xmm10, %xmm8
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movhlps %xmm2, %xmm10
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movlhps %xmm1, %xmm0
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movhlps %xmm3, %xmm1
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subps %xmm10, %xmm8
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subps %xmm1, %xmm0
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addps %xmm8, %xmm0
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movups (ARG2), %xmm1
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movups 16(ARG2), %xmm2
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mulps XMMREG_SCALE, %xmm0
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shufps $0xdd, %xmm2, %xmm1
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movaps %xmm0, %xmm2
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unpcklps %xmm1, %xmm0
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unpckhps %xmm1, %xmm2
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movups %xmm0, (ARG2)
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movups %xmm2, 16(ARG2)
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leaq 32(ARG2), ARG2
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decl %ecx
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jnz Loop_start_1
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movl $4, %ecx
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ALIGN16
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Loop_start_2:
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movups (ARG0), %xmm8
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movups 16(ARG0), %xmm1
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movups 32(ARG0), %xmm2
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movups 48(ARG0), %xmm3
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movups 128(ARG0), %xmm9
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movups 144(ARG0), %xmm5
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movups 160(ARG0), %xmm6
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movups 176(ARG0), %xmm7
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mulps (ARG1), %xmm8
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mulps 16(ARG1), %xmm1
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mulps 32(ARG1), %xmm2
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mulps 48(ARG1), %xmm3
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mulps -64(ARG1), %xmm9
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mulps -48(ARG1), %xmm5
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mulps -32(ARG1), %xmm6
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mulps -16(ARG1), %xmm7
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addps %xmm1, %xmm8
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addps %xmm2, %xmm3
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addps %xmm5, %xmm9
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addps %xmm7, %xmm6
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addps %xmm3, %xmm8
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addps %xmm6, %xmm9
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leaq 256(ARG0), ARG0
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leaq -128(ARG1), ARG1
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movups (ARG0), %xmm10
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movups 16(ARG0), %xmm1
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movups 32(ARG0), %xmm2
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movups 48(ARG0), %xmm3
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movups 128(ARG0), %xmm11
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movups 144(ARG0), %xmm5
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movups 160(ARG0), %xmm6
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movups 176(ARG0), %xmm7
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mulps (ARG1), %xmm10
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mulps 16(ARG1), %xmm1
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mulps 32(ARG1), %xmm2
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mulps 48(ARG1), %xmm3
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mulps -64(ARG1), %xmm11
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mulps -48(ARG1), %xmm5
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mulps -32(ARG1), %xmm6
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mulps -16(ARG1), %xmm7
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addps %xmm1, %xmm10
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addps %xmm2, %xmm3
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addps %xmm5, %xmm11
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addps %xmm7, %xmm6
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addps %xmm3, %xmm10
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addps %xmm6, %xmm11
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leaq 256(ARG0), ARG0
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leaq -128(ARG1), ARG1
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movaps %xmm8, %xmm0
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movaps %xmm10, %xmm1
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unpcklps %xmm9, %xmm8
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unpcklps %xmm11, %xmm10
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unpckhps %xmm9, %xmm0
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unpckhps %xmm11, %xmm1
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movaps %xmm8, %xmm2
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movaps %xmm0, %xmm3
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movlhps %xmm10, %xmm8
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movhlps %xmm2, %xmm10
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movlhps %xmm1, %xmm0
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movhlps %xmm3, %xmm1
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addps %xmm10, %xmm8
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addps %xmm1, %xmm0
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addps %xmm8, %xmm0
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movups (ARG2), %xmm1
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movups 16(ARG2), %xmm2
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mulps XMMREG_SCALE, %xmm0
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shufps $0xdd, %xmm2, %xmm1
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movaps %xmm0, %xmm2
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unpcklps %xmm1, %xmm0
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unpckhps %xmm1, %xmm2
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movups %xmm0, (ARG2)
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movups %xmm2, 16(ARG2)
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leaq 32(ARG2), ARG2
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decl %ecx
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jnz Loop_start_2
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xorl %eax, %eax
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#ifdef _WIN64
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movaps (%rsp), %xmm6
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movaps 16(%rsp), %xmm7
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movaps 32(%rsp), %xmm8
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movaps 48(%rsp), %xmm9
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movaps 64(%rsp), %xmm10
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movaps 80(%rsp), %xmm11
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movaps 96(%rsp), %xmm15
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addq $120, %rsp
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#endif
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ret
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NONEXEC_STACK
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