WebSVN – Kolibri OS – Blame – /programs/develop/libraries/libmpg123/synth_sse_float.S

Rev	Author	Line No.	Line
3960	Serge	1	/*
		2	synth_sse_float: SSE optimized synth (float output version)
		3
		4	copyright 1995-2009 by the mpg123 project - free software under the terms of the LGPL 2.1
		5	see COPYING and AUTHORS files in distribution or http://mpg123.org
		6	initially written by Taihei Monma
		7	*/
		8
		9	#include "mangle.h"
		10
		11	/* real window; /
		12	#define WINDOW %ebx
		13	/* real b0; /
		14	#define B0 %edx
		15	/* real samples; /
		16	#define SAMPLES %esi
		17
		18	/*
		19	int synth_1to1_real_sse_asm(real window, real b0, real *samples, int bo1);
		20	return value: number of clipped samples (0)
		21	*/
		22
		23	#ifndef __APPLE__
		24	.section .rodata
		25	#else
		26	.data
		27	#endif
		28	ALIGN32
		29	ASM_NAME(scale_sse):
		30	.long 939524096
		31	.long 939524096
		32	.long 939524096
		33	.long 939524096
		34	.text
		35	ALIGN16
		36	.globl ASM_NAME(synth_1to1_real_sse_asm)
		37	ASM_NAME(synth_1to1_real_sse_asm):
		38	pushl %ebp
		39	movl %esp, %ebp
		40	pushl %ebx
		41	pushl %esi
		42
		43	movl 8(%ebp), WINDOW
		44	movl 12(%ebp), B0
		45	movl 16(%ebp), SAMPLES
		46	movl 20(%ebp), %eax
		47	shll $2, %eax
		48
		49	leal 64(WINDOW), WINDOW
		50	subl %eax, WINDOW
		51
		52	movl $4, %ecx
		53
		54	ALIGN16
		55	Loop_start_1:
		56	movups (WINDOW), %xmm0
		57	movups 16(WINDOW), %xmm1
		58	movups 32(WINDOW), %xmm2
		59	movups 48(WINDOW), %xmm3
		60	movups 128(WINDOW), %xmm4
		61	movups 144(WINDOW), %xmm5
		62	movups 160(WINDOW), %xmm6
		63	movups 176(WINDOW), %xmm7
		64	mulps 0(B0), %xmm0
		65	mulps 16(B0), %xmm1
		66	mulps 32(B0), %xmm2
		67	mulps 48(B0), %xmm3
		68	mulps 64(B0), %xmm4
		69	mulps 80(B0), %xmm5
		70	mulps 96(B0), %xmm6
		71	mulps 112(B0), %xmm7
		72	addps %xmm1, %xmm0
		73	addps %xmm3, %xmm2
		74	addps %xmm5, %xmm4
		75	addps %xmm7, %xmm6
		76	addps %xmm2, %xmm0
		77	addps %xmm6, %xmm4
		78	movaps %xmm4, %xmm5
		79	movaps %xmm0, %xmm4
		80
		81	leal 256(WINDOW), WINDOW
		82	leal 128(B0), B0
		83
		84	movups (WINDOW), %xmm0
		85	movups 16(WINDOW), %xmm1
		86	movups 32(WINDOW), %xmm2
		87	movups 48(WINDOW), %xmm3
		88	movups 128(WINDOW), %xmm6
		89	movups 144(WINDOW), %xmm7
		90	mulps (B0), %xmm0
		91	mulps 16(B0), %xmm1
		92	mulps 32(B0), %xmm2
		93	mulps 48(B0), %xmm3
		94	mulps 64(B0), %xmm6
		95	mulps 80(B0), %xmm7
		96	addps %xmm1, %xmm0
		97	addps %xmm3, %xmm2
		98	addps %xmm7, %xmm6
		99	movups 160(WINDOW), %xmm1
		100	movups 176(WINDOW), %xmm3
		101	mulps 96(B0), %xmm1
		102	mulps 112(B0), %xmm3
		103	addps %xmm2, %xmm0
		104	addps %xmm3, %xmm1
		105	addps %xmm1, %xmm6
		106	movaps %xmm6, %xmm7
		107	movaps %xmm0, %xmm6
		108
		109	leal 256(WINDOW), WINDOW
		110	leal 128(B0), B0
		111
		112	movaps %xmm4, %xmm0
		113	movaps %xmm6, %xmm1
		114	unpcklps %xmm5, %xmm4
		115	unpcklps %xmm7, %xmm6
		116	unpckhps %xmm5, %xmm0
		117	unpckhps %xmm7, %xmm1
		118	movaps %xmm4, %xmm2
		119	movaps %xmm0, %xmm3
		120	movlhps %xmm6, %xmm4
		121	movhlps %xmm2, %xmm6
		122	movlhps %xmm1, %xmm0
		123	movhlps %xmm3, %xmm1
		124	subps %xmm6, %xmm4
		125	subps %xmm1, %xmm0
		126	addps %xmm4, %xmm0
		127
		128	movups (SAMPLES), %xmm1
		129	movups 16(SAMPLES), %xmm2
		130	mulps ASM_NAME(scale_sse), %xmm0
		131	shufps $0xdd, %xmm2, %xmm1
		132	movaps %xmm0, %xmm2
		133	unpcklps %xmm1, %xmm0
		134	unpckhps %xmm1, %xmm2
		135	movups %xmm0, (SAMPLES)
		136	movups %xmm2, 16(SAMPLES)
		137
		138	leal 32(SAMPLES), SAMPLES
		139	decl %ecx
		140	jnz Loop_start_1
		141
		142	movl $4, %ecx
		143
		144	ALIGN16
		145	Loop_start_2:
		146	movups (WINDOW), %xmm0
		147	movups 16(WINDOW), %xmm1
		148	movups 32(WINDOW), %xmm2
		149	movups 48(WINDOW), %xmm3
		150	movups 128(WINDOW), %xmm4
		151	movups 144(WINDOW), %xmm5
		152	movups 160(WINDOW), %xmm6
		153	movups 176(WINDOW), %xmm7
		154	mulps 0(B0), %xmm0
		155	mulps 16(B0), %xmm1
		156	mulps 32(B0), %xmm2
		157	mulps 48(B0), %xmm3
		158	mulps -64(B0), %xmm4
		159	mulps -48(B0), %xmm5
		160	mulps -32(B0), %xmm6
		161	mulps -16(B0), %xmm7
		162	addps %xmm1, %xmm0
		163	addps %xmm3, %xmm2
		164	addps %xmm5, %xmm4
		165	addps %xmm7, %xmm6
		166	addps %xmm2, %xmm0
		167	addps %xmm6, %xmm4
		168	movaps %xmm4, %xmm5
		169	movaps %xmm0, %xmm4
		170
		171	leal 256(WINDOW), WINDOW
		172	leal -128(B0), B0
		173
		174	movups (WINDOW), %xmm0
		175	movups 16(WINDOW), %xmm1
		176	movups 32(WINDOW), %xmm2
		177	movups 48(WINDOW), %xmm3
		178	movups 128(WINDOW), %xmm6
		179	movups 144(WINDOW), %xmm7
		180	mulps (B0), %xmm0
		181	mulps 16(B0), %xmm1
		182	mulps 32(B0), %xmm2
		183	mulps 48(B0), %xmm3
		184	mulps -64(B0), %xmm6
		185	mulps -48(B0), %xmm7
		186	addps %xmm1, %xmm0
		187	addps %xmm3, %xmm2
		188	addps %xmm7, %xmm6
		189	movups 160(WINDOW), %xmm1
		190	movups 176(WINDOW), %xmm3
		191	mulps -32(B0), %xmm1
		192	mulps -16(B0), %xmm3
		193	addps %xmm2, %xmm0
		194	addps %xmm3, %xmm1
		195	addps %xmm1, %xmm6
		196	movaps %xmm6, %xmm7
		197	movaps %xmm0, %xmm6
		198
		199	leal 256(WINDOW), WINDOW
		200	leal -128(B0), B0
		201
		202	movaps %xmm4, %xmm0
		203	movaps %xmm6, %xmm1
		204	unpcklps %xmm5, %xmm4
		205	unpcklps %xmm7, %xmm6
		206	unpckhps %xmm5, %xmm0
		207	unpckhps %xmm7, %xmm1
		208	movaps %xmm4, %xmm2
		209	movaps %xmm0, %xmm3
		210	movlhps %xmm6, %xmm4
		211	movhlps %xmm2, %xmm6
		212	movlhps %xmm1, %xmm0
		213	movhlps %xmm3, %xmm1
		214	addps %xmm6, %xmm4
		215	addps %xmm1, %xmm0
		216	addps %xmm4, %xmm0
		217
		218	movups (SAMPLES), %xmm1
		219	movups 16(SAMPLES), %xmm2
		220	mulps ASM_NAME(scale_sse), %xmm0
		221	shufps $0xdd, %xmm2, %xmm1
		222	movaps %xmm0, %xmm2
		223	unpcklps %xmm1, %xmm0
		224	unpckhps %xmm1, %xmm2
		225	movups %xmm0, (SAMPLES)
		226	movups %xmm2, 16(SAMPLES)
		227
		228	leal 32(SAMPLES), SAMPLES
		229	decl %ecx
		230	jnz Loop_start_2
		231
		232	xorl %eax, %eax
		233
		234	popl %esi
		235	popl %ebx
		236	movl %ebp, %esp
		237	popl %ebp
		238
		239	ret
		240
		241	NONEXEC_STACK

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(root)/programs/develop/libraries/libmpg123/synth_sse_float.S @ 8718 – Rev 3960