242 lines
4.8 KiB
ArmAsm
242 lines
4.8 KiB
ArmAsm
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/*
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synth_sse_float: SSE optimized synth (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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/* real *window; */
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#define WINDOW %ebx
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/* real *b0; */
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#define B0 %edx
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/* real *samples; */
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#define SAMPLES %esi
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/*
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int synth_1to1_real_sse_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_sse):
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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_sse_asm)
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ASM_NAME(synth_1to1_real_sse_asm):
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pushl %ebp
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movl %esp, %ebp
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pushl %ebx
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pushl %esi
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movl 8(%ebp), WINDOW
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movl 12(%ebp), B0
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movl 16(%ebp), SAMPLES
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movl 20(%ebp), %eax
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shll $2, %eax
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leal 64(WINDOW), WINDOW
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subl %eax, WINDOW
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movl $4, %ecx
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ALIGN16
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Loop_start_1:
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movups (WINDOW), %xmm0
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movups 16(WINDOW), %xmm1
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movups 32(WINDOW), %xmm2
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movups 48(WINDOW), %xmm3
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movups 128(WINDOW), %xmm4
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movups 144(WINDOW), %xmm5
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movups 160(WINDOW), %xmm6
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movups 176(WINDOW), %xmm7
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mulps 0(B0), %xmm0
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mulps 16(B0), %xmm1
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mulps 32(B0), %xmm2
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mulps 48(B0), %xmm3
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mulps 64(B0), %xmm4
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mulps 80(B0), %xmm5
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mulps 96(B0), %xmm6
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mulps 112(B0), %xmm7
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addps %xmm1, %xmm0
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addps %xmm3, %xmm2
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addps %xmm5, %xmm4
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addps %xmm7, %xmm6
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addps %xmm2, %xmm0
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addps %xmm6, %xmm4
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movaps %xmm4, %xmm5
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movaps %xmm0, %xmm4
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leal 256(WINDOW), WINDOW
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leal 128(B0), B0
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movups (WINDOW), %xmm0
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movups 16(WINDOW), %xmm1
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movups 32(WINDOW), %xmm2
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movups 48(WINDOW), %xmm3
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movups 128(WINDOW), %xmm6
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movups 144(WINDOW), %xmm7
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mulps (B0), %xmm0
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mulps 16(B0), %xmm1
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mulps 32(B0), %xmm2
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mulps 48(B0), %xmm3
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mulps 64(B0), %xmm6
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mulps 80(B0), %xmm7
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addps %xmm1, %xmm0
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addps %xmm3, %xmm2
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addps %xmm7, %xmm6
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movups 160(WINDOW), %xmm1
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movups 176(WINDOW), %xmm3
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mulps 96(B0), %xmm1
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mulps 112(B0), %xmm3
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addps %xmm2, %xmm0
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addps %xmm3, %xmm1
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addps %xmm1, %xmm6
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movaps %xmm6, %xmm7
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movaps %xmm0, %xmm6
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leal 256(WINDOW), WINDOW
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leal 128(B0), B0
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movaps %xmm4, %xmm0
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movaps %xmm6, %xmm1
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unpcklps %xmm5, %xmm4
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unpcklps %xmm7, %xmm6
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unpckhps %xmm5, %xmm0
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unpckhps %xmm7, %xmm1
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movaps %xmm4, %xmm2
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movaps %xmm0, %xmm3
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movlhps %xmm6, %xmm4
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movhlps %xmm2, %xmm6
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movlhps %xmm1, %xmm0
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movhlps %xmm3, %xmm1
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subps %xmm6, %xmm4
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subps %xmm1, %xmm0
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addps %xmm4, %xmm0
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movups (SAMPLES), %xmm1
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movups 16(SAMPLES), %xmm2
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mulps ASM_NAME(scale_sse), %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, (SAMPLES)
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movups %xmm2, 16(SAMPLES)
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leal 32(SAMPLES), SAMPLES
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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 (WINDOW), %xmm0
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movups 16(WINDOW), %xmm1
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movups 32(WINDOW), %xmm2
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movups 48(WINDOW), %xmm3
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movups 128(WINDOW), %xmm4
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movups 144(WINDOW), %xmm5
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movups 160(WINDOW), %xmm6
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movups 176(WINDOW), %xmm7
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mulps 0(B0), %xmm0
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mulps 16(B0), %xmm1
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mulps 32(B0), %xmm2
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mulps 48(B0), %xmm3
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mulps -64(B0), %xmm4
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mulps -48(B0), %xmm5
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mulps -32(B0), %xmm6
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mulps -16(B0), %xmm7
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addps %xmm1, %xmm0
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addps %xmm3, %xmm2
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addps %xmm5, %xmm4
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addps %xmm7, %xmm6
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addps %xmm2, %xmm0
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addps %xmm6, %xmm4
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movaps %xmm4, %xmm5
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movaps %xmm0, %xmm4
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leal 256(WINDOW), WINDOW
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leal -128(B0), B0
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movups (WINDOW), %xmm0
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movups 16(WINDOW), %xmm1
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movups 32(WINDOW), %xmm2
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movups 48(WINDOW), %xmm3
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movups 128(WINDOW), %xmm6
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movups 144(WINDOW), %xmm7
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mulps (B0), %xmm0
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mulps 16(B0), %xmm1
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mulps 32(B0), %xmm2
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mulps 48(B0), %xmm3
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mulps -64(B0), %xmm6
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mulps -48(B0), %xmm7
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addps %xmm1, %xmm0
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addps %xmm3, %xmm2
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addps %xmm7, %xmm6
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movups 160(WINDOW), %xmm1
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movups 176(WINDOW), %xmm3
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mulps -32(B0), %xmm1
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mulps -16(B0), %xmm3
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addps %xmm2, %xmm0
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addps %xmm3, %xmm1
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addps %xmm1, %xmm6
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movaps %xmm6, %xmm7
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movaps %xmm0, %xmm6
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leal 256(WINDOW), WINDOW
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leal -128(B0), B0
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movaps %xmm4, %xmm0
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movaps %xmm6, %xmm1
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unpcklps %xmm5, %xmm4
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unpcklps %xmm7, %xmm6
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unpckhps %xmm5, %xmm0
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unpckhps %xmm7, %xmm1
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movaps %xmm4, %xmm2
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movaps %xmm0, %xmm3
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movlhps %xmm6, %xmm4
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movhlps %xmm2, %xmm6
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movlhps %xmm1, %xmm0
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movhlps %xmm3, %xmm1
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addps %xmm6, %xmm4
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addps %xmm1, %xmm0
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addps %xmm4, %xmm0
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movups (SAMPLES), %xmm1
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movups 16(SAMPLES), %xmm2
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mulps ASM_NAME(scale_sse), %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, (SAMPLES)
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movups %xmm2, 16(SAMPLES)
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leal 32(SAMPLES), SAMPLES
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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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popl %esi
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popl %ebx
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movl %ebp, %esp
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popl %ebp
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ret
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NONEXEC_STACK
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