forked from KolibriOS/kolibrios
307 lines
6.1 KiB
ArmAsm
307 lines
6.1 KiB
ArmAsm
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/*
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synth_sse_s32: SSE optimized synth (s32 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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#define MMREG_CLIP %mm7
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/*
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int synth_1to1_s32_sse_asm(real *window, real *b0, int32_t *samples, int bo1);
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return value: number of clipped samples
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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_s32):
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.long 1199570944 /* 65536.0 */
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.long 1199570944
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.long 1199570944
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.long 1199570944
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ALIGN16
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ASM_NAME(maxmin_s32):
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.long 1191182335 /* 32767.999 */
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.long 1191182335
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.long 1191182335
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.long 1191182335
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.long -956301312 /* -32768.0 */
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.long -956301312
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.long -956301312
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.long -956301312
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.text
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ALIGN16
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.globl ASM_NAME(synth_1to1_s32_sse_asm)
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ASM_NAME(synth_1to1_s32_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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pxor MMREG_CLIP, MMREG_CLIP
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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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movaps %xmm0, %xmm1
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movaps %xmm0, %xmm2
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mulps ASM_NAME(scale_s32), %xmm0
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cmpnleps ASM_NAME(maxmin_s32), %xmm1
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cmpltps ASM_NAME(maxmin_s32)+16, %xmm2
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cvtps2pi %xmm0, %mm0
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movhlps %xmm0, %xmm0
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cvtps2pi %xmm0, %mm1
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cvtps2pi %xmm1, %mm2
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movhlps %xmm1, %xmm1
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cvtps2pi %xmm1, %mm3
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psrad $31, %mm2
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psrad $31, %mm3
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pxor %mm2, %mm0
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pxor %mm3, %mm1
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movd %mm0, (SAMPLES)
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psrlq $32, %mm0
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movd %mm0, 8(SAMPLES)
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movd %mm1, 16(SAMPLES)
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psrlq $32, %mm1
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movd %mm1, 24(SAMPLES)
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cvtps2pi %xmm2, %mm0
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movhlps %xmm2, %xmm2
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cvtps2pi %xmm2, %mm1
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packssdw %mm3, %mm2
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packssdw %mm1, %mm0
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psrlw $15, %mm2
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psrlw $15, %mm0
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paddw %mm2, %mm0
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paddw %mm0, MMREG_CLIP
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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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movaps %xmm0, %xmm1
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movaps %xmm0, %xmm2
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mulps ASM_NAME(scale_s32), %xmm0
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cmpnleps ASM_NAME(maxmin_s32), %xmm1
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cmpltps ASM_NAME(maxmin_s32)+16, %xmm2
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cvtps2pi %xmm0, %mm0
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movhlps %xmm0, %xmm0
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cvtps2pi %xmm0, %mm1
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cvtps2pi %xmm1, %mm2
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movhlps %xmm1, %xmm1
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cvtps2pi %xmm1, %mm3
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psrad $31, %mm2
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psrad $31, %mm3
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pxor %mm2, %mm0
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pxor %mm3, %mm1
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movd %mm0, (SAMPLES)
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psrlq $32, %mm0
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movd %mm0, 8(SAMPLES)
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movd %mm1, 16(SAMPLES)
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psrlq $32, %mm1
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movd %mm1, 24(SAMPLES)
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cvtps2pi %xmm2, %mm0
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movhlps %xmm2, %xmm2
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cvtps2pi %xmm2, %mm1
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packssdw %mm3, %mm2
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packssdw %mm1, %mm0
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psrlw $15, %mm2
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psrlw $15, %mm0
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paddw %mm2, %mm0
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paddw %mm0, MMREG_CLIP
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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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pshufw $0xee, MMREG_CLIP, %mm0
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paddw MMREG_CLIP, %mm0
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pshufw $0x55, %mm0, %mm1
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paddw %mm1, %mm0
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movd %mm0, %eax
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andl $0xffff, %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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emms
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ret
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NONEXEC_STACK
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