downmix.s

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· S 代码 · 共 3,273 行 · 第 1/4 页

mul	$4,$10,$2
mul	$3,$9,$2
addu	$2,$4,$6
sra	$2,$2,10
sll	$3,$3,6
addu	$2,$2,$3
li	$8,7			# 0x7
sw	$2,4($15)
sw	$12,0($15)
sw	$12,16($15)
sw	$12,12($15)
j	$L73
sw	$12,8($15)

$L63:
move	$8,$0
sw	$13,12($15)
sw	$12,0($15)
sw	$12,8($15)
j	$L73
sw	$12,4($15)

$L64:
move	$8,$0
sw	$12,0($15)
j	$L73
sw	$0,4($15)

$L65:
move	$8,$0
sw	$12,4($15)
j	$L73
sw	$0,0($15)

$L66:
move	$8,$0
j	$L73
sw	$13,0($15)

$L43:
move	$8,$0
sw	$12,0($15)
sw	$12,16($15)
sw	$12,12($15)
sw	$12,8($15)
j	$L73
sw	$12,4($15)

$L67:
li	$8,7			# 0x7
sw	$13,4($15)
sw	$12,0($15)
sw	$12,16($15)
sw	$12,12($15)
j	$L73
sw	$12,8($15)

$L68:
li	$8,7			# 0x7
sw	$13,8($15)
sw	$12,0($15)
j	$L73
sw	$12,4($15)

$L69:
li	$8,15			# 0xf
sw	$13,4($15)
sw	$12,0($15)
sw	$12,8($15)
j	$L73
sw	$13,12($15)

$L70:
li	$8,15			# 0xf
sw	$13,8($15)
sw	$12,0($15)
sw	$12,4($15)
j	$L73
sw	$13,12($15)

$L71:
li	$8,31			# 0x1f
sw	$13,4($15)
sw	$12,0($15)
sw	$12,8($15)
sw	$13,16($15)
j	$L73
sw	$13,12($15)

.set	macro
.set	reorder
.end	a52_downmix_coeff
.section	.text.a52_upmix,"ax",@progbits
.align	2
.align	5
.globl	a52_upmix
.ent	a52_upmix
.type	a52_upmix, @function
a52_upmix:
.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
andi	$6,$6,0xf
sll	$6,$6,3
addu	$6,$6,$5
addiu	$6,$6,-8
addiu	$sp,$sp,-40
sltu	$2,$6,80
sw	$16,16($sp)
sw	$31,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
.set	noreorder
.set	nomacro
beq	$2,$0,$L136
move	$16,$4
.set	macro
.set	reorder

lui	$3,%hi($L93)
sll	$2,$6,2
addiu	$3,$3,%lo($L93)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
.rdata
.align	2
.align	2
$L93:
.word	$L77
.word	$L136
.word	$L77
.word	$L78
.word	$L78
.word	$L79
.word	$L79
.word	$L80
.word	$L136
.word	$L136
.word	$L136
.word	$L156
.word	$L82
.word	$L83
.word	$L84
.word	$L85
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L86
.word	$L136
.word	$L87
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L157
.word	$L86
.word	$L89
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L90
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L91
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L92
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L136
.word	$L156
.word	$L82
.word	$L83
.word	$L84
.word	$L85
.section	.text.a52_upmix
$L92:
addiu	$4,$16,1024
andi	$2,$4,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L162
move	$5,$16
.set	macro
.set	reorder

andi	$2,$16,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L163
lw	$31,32($sp)
.set	macro
.set	reorder

addiu	$3,$16,1020
addiu	$5,$16,2044
sltu	$2,$3,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L164
lw	$19,28($sp)
.set	macro
.set	reorder

addiu	$4,$16,-4
$L100:
#APP
.word	0b01110000100000000000010001010100	#S32LDI XR1,$4,4
.word	0b01110000100000000000010010010100	#S32LDI XR2,$4,4
.word	0b01110000100000000000010011010100	#S32LDI XR3,$4,4
.word	0b01110000100000000000010100010100	#S32LDI XR4,$4,4
.word	0b01110000100000000000010101010100	#S32LDI XR5,$4,4
.word	0b01110000100000000000010110010100	#S32LDI XR6,$4,4
.word	0b01110000100000000000010111010100	#S32LDI XR7,$4,4
.word	0b01110000100000000000011000010100	#S32LDI XR8,$4,4
.word	0b01110000011000000000010001010101	#S32SDI XR1,$3,4
.word	0b01110000011000000000010010010101	#S32SDI XR2,$3,4
.word	0b01110000011000000000010011010101	#S32SDI XR3,$3,4
.word	0b01110000011000000000010100010101	#S32SDI XR4,$3,4
.word	0b01110000011000000000010101010101	#S32SDI XR5,$3,4
.word	0b01110000011000000000010110010101	#S32SDI XR6,$3,4
.word	0b01110000011000000000010111010101	#S32SDI XR7,$3,4
.word	0b01110000011000000000011000010101	#S32SDI XR8,$3,4
#NO_APP
sltu	$2,$3,$5
bne	$2,$0,$L100
$L136:
lw	$31,32($sp)
$L160:
lw	$19,28($sp)
$L164:
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,40
.set	macro
.set	reorder

$L80:
move	$3,$0
li	$4,1024			# 0x400
$L101:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L101
sw	$0,4096($2)
.set	macro
.set	reorder

$L79:
move	$3,$0
li	$4,1024			# 0x400
$L102:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L102
sw	$0,3072($2)
.set	macro
.set	reorder

$L78:
move	$3,$0
li	$4,1024			# 0x400
$L103:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L103
sw	$0,2048($2)
.set	macro
.set	reorder

$L77:
move	$3,$0
li	$4,1024			# 0x400
$L104:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L104
sw	$0,1024($2)
.set	macro
.set	reorder

lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,40
.set	macro
.set	reorder

$L85:
move	$3,$0
li	$4,1024			# 0x400
$L105:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L105
sw	$0,4096($2)
.set	macro
.set	reorder

$L83:
move	$3,$0
li	$4,1024			# 0x400
$L106:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L106
sw	$0,3072($2)
.set	macro
.set	reorder

$L156:
addiu	$18,$16,2048
andi	$17,$18,0x3
$L95:
.set	noreorder
.set	nomacro
bne	$17,$0,$L108
addiu	$5,$16,1024
.set	macro
.set	reorder

$L109:
andi	$2,$5,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L165
move	$4,$18
.set	macro
.set	reorder

addiu	$3,$18,1020
addiu	$4,$18,-4
sltu	$2,$4,$3
beq	$2,$0,$L111
addiu	$5,$5,-4
$L113:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$3
bne	$2,$0,$L113
$L111:
move	$3,$0
$L161:
li	$4,1024			# 0x400
$L114:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L114
sw	$0,1024($2)
.set	macro
.set	reorder

lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,40
.set	macro
.set	reorder

$L89:
move	$3,$0
li	$4,1024			# 0x400
$L120:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L120
sw	$0,4096($2)
.set	macro
.set	reorder

$L157:
addiu	$19,$16,3072
andi	$17,$19,0x3
$L94:
.set	noreorder
.set	nomacro
bne	$17,$0,$L122
addiu	$18,$16,2048
.set	macro
.set	reorder

$L123:
andi	$17,$18,0x3
$L168:
.set	noreorder
.set	nomacro
bne	$17,$0,$L166
move	$4,$19
.set	macro
.set	reorder

addiu	$5,$19,1020
addiu	$4,$19,-4
sltu	$2,$4,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L126
addiu	$3,$18,-4
.set	macro
.set	reorder

$L128:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000011000000000010010010100	#S32LDI XR2,$3,4
.word	0b01110000011000000000010011010100	#S32LDI XR3,$3,4
.word	0b01110000011000000000010100010100	#S32LDI XR4,$3,4
.word	0b01110000011000000000010101010100	#S32LDI XR5,$3,4
.word	0b01110000011000000000010110010100	#S32LDI XR6,$3,4
.word	0b01110000011000000000010111010100	#S32LDI XR7,$3,4
.word	0b01110000011000000000011000010100	#S32LDI XR8,$3,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$5
bne	$2,$0,$L128
$L126:
.set	noreorder
.set	nomacro
j	$L109
addiu	$5,$16,1024
.set	macro
.set	reorder

$L122:
andi	$17,$18,0x3
move	$4,$19
$L166:
move	$5,$18
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,1024			# 0x400
.set	macro
.set	reorder

j	$L95
$L87:
move	$3,$0
li	$4,1024			# 0x400
$L117:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L117
sw	$0,4096($2)
.set	macro
.set	reorder

$L86:
move	$3,$0
li	$4,1024			# 0x400
$L118:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L118
sw	$0,3072($2)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L160
lw	$31,32($sp)
.set	macro
.set	reorder

$L84:
move	$3,$0
li	$4,1024			# 0x400
$L115:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L115
sw	$0,3072($2)
.set	macro
.set	reorder

$L82:
move	$3,$0
li	$4,1024			# 0x400
$L116:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L116
sw	$0,2048($2)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L160
lw	$31,32($sp)
.set	macro
.set	reorder

$L108:
move	$4,$18
$L165:
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,1024			# 0x400
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L161
move	$3,$0
.set	macro
.set	reorder

$L91:
addiu	$4,$16,4096
andi	$2,$4,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L129
addiu	$19,$16,3072
.set	macro
.set	reorder

andi	$17,$19,0x3
.set	noreorder
.set	nomacro
bne	$17,$0,$L167
move	$5,$19
.set	macro
.set	reorder

addiu	$4,$16,4092
addiu	$5,$16,5116
sltu	$2,$4,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L123
addiu	$18,$16,2048
.set	macro
.set	reorder

addiu	$3,$16,3068
$L135:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000011000000000010010010100	#S32LDI XR2,$3,4
.word	0b01110000011000000000010011010100	#S32LDI XR3,$3,4
.word	0b01110000011000000000010100010100	#S32LDI XR4,$3,4
.word	0b01110000011000000000010101010100	#S32LDI XR5,$3,4
.word	0b01110000011000000000010110010100	#S32LDI XR6,$3,4
.word	0b01110000011000000000010111010100	#S32LDI XR7,$3,4
.word	0b01110000011000000000011000010100	#S32LDI XR8,$3,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$5
.set	noreorder
.set	nomacro
bne	$2,$0,$L135
addiu	$18,$16,2048
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L168
andi	$17,$18,0x3
.set	macro
.set	reorder

$L90:
move	$3,$0
li	$4,1024			# 0x400
$L119:
addu	$2,$16,$3
addiu	$3,$3,4
.set	noreorder
.set	nomacro
bne	$3,$4,$L119
sw	$0,4096($2)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L160
lw	$31,32($sp)
.set	macro
.set	reorder

$L162:
lw	$31,32($sp)
$L163:
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$6,1024			# 0x400
.set	noreorder
.set	nomacro
j	memcpy
addiu	$sp,$sp,40
.set	macro
.set	reorder

$L129:
andi	$17,$19,0x3
move	$5,$19
$L167:
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,1024			# 0x400
.set	macro
.set	reorder

j	$L94
.end	a52_upmix
.globl	__floatsidf
.globl	__muldf3
.globl	__adddf3
.globl	__fixdfsi
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC0:
.word	-396866390
.word	1072412282
.align	3
$LC1:
.word	0
.word	-1075838976
.align	3
$LC2:
.word	1719614413
.word	1072079006
.section	.text.a52_downmix,"ax",@progbits
.align	2
.align	5
.globl	a52_downmix
.ent	a52_downmix
.type	a52_downmix, @function
a52_downmix:
.frame	$sp,64,$31		# vars= 8, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
andi	$2,$6,0xf
sll	$2,$2,3
addu	$2,$2,$5
addiu	$2,$2,-8
addiu	$sp,$sp,-64
sltu	$3,$2,80
sw	$16,24($sp)
sw	$31,60($sp)
sw	$fp,56($sp)
sw	$23,52($sp)
sw	$22,48($sp)
sw	$21,44($sp)
sw	$20,40($sp)
sw	$19,36($sp)
sw	$18,32($sp)
sw	$17,28($sp)
move	$16,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L284
lw	$5,84($sp)
.set	macro
.set	reorder

lui	$3,%hi($L198)
sll	$2,$2,2
addiu	$3,$3,%lo($L198)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
.rdata
.align	2
.align	2
$L198:
.word	$L171
.word	$L284
.word	$L171
.word	$L172
.word	$L173
.word	$L174
.word	$L175
.word	$L176
.word	$L284
.word	$L284
.word	$L284
.word	$L177
.word	$L178
.word	$L179
.word	$L180
.word	$L181
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L182
.word	$L284
.word	$L183
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L184
.word	$L185
.word	$L186
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L284
.word	$L187