filter.mid

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」· MID 代码 · 共 2,004 行 · 第 1/2 页

	.file	1 "filter.c"
	.section .mdebug.abi32
	.previous
	.globl	__mulsf3
	.globl	__addsf3
	.section	.text.af_filter_fir,"ax",@progbits
	.align	2
	.align	5
	.globl	af_filter_fir
	.ent	af_filter_fir
	.type	af_filter_fir, @function
af_filter_fir:
	.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	sll	$2,$4,2
	addiu	$sp,$sp,-40
	addu	$6,$6,$2
	addu	$5,$5,$2
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,32($sp)
	move	$18,$4
	addiu	$17,$5,-4
	addiu	$16,$6,-4
	move	$19,$0
$L2:
	lw	$4,0($17)
	lw	$5,0($16)
	jal	__mulsf3
	addiu	$18,$18,-1

	move	$5,$2
	jal	__addsf3
	move	$4,$19

	move	$19,$2
	addiu	$17,$17,-4
	bne	$18,$0,$L2
	addiu	$16,$16,-4

	lw	$31,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	af_filter_fir
	.section	.text.af_filter_updatepq,"ax",@progbits
	.align	2
	.align	5
	.globl	af_filter_updatepq
	.ent	af_filter_updatepq
	.type	af_filter_updatepq, @function
af_filter_updatepq:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$7,0($7)
	beq	$5,$0,$L9
	lw	$8,16($sp)

	sll	$2,$6,2
	addu	$7,$7,$2
	lw	$2,20($sp)
	sll	$3,$4,2
	sll	$11,$2,2
	addu	$3,$3,$7
	sll	$10,$4,3
	move	$9,$0
$L11:
	lw	$2,0($8)
	addiu	$9,$9,1
	sw	$2,0($3)
	addu	$8,$8,$11
	sw	$2,0($7)
	addu	$3,$3,$10
	bne	$5,$9,$L11
	addu	$7,$7,$10

$L9:
	addiu	$3,$6,1
	addiu	$2,$4,-1
	j	$31
	and	$2,$3,$2

	.set	macro
	.set	reorder
	.end	af_filter_updatepq
	.section	.text.af_filter_design_pfir,"ax",@progbits
	.align	2
	.align	5
	.globl	af_filter_design_pfir
	.ent	af_filter_design_pfir
	.type	af_filter_design_pfir, @function
af_filter_design_pfir:
	.frame	$sp,72,$31		# vars= 16, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	divu	$0,$4,$5
	teq	$5,$0,7
	addiu	$sp,$sp,-72
	sw	$23,60($sp)
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$31,68($sp)
	sw	$fp,64($sp)
	sw	$20,48($sp)
	sw	$19,44($sp)
	sw	$18,40($sp)
	sw	$17,36($sp)
	sw	$16,32($sp)
	move	$21,$5
	move	$23,$6
	sw	$7,84($sp)
	lw	$22,88($sp)
	lw	$3,92($sp)
	mflo	$2
	blez	$2,$L15
	sw	$2,24($sp)

	beq	$5,$0,$L15
	nop

	beq	$6,$0,$L15
	nop

	beq	$7,$0,$L15
	andi	$2,$3,0x2

	bne	$2,$0,$L20
	lw	$4,24($sp)

	andi	$3,$3,0x10
	sw	$3,20($sp)
	move	$fp,$0
$L22:
	blez	$21,$L43
	lw	$3,20($sp)

	sll	$20,$fp,2
	bne	$3,$0,$L77
	andi	$2,$fp,0x1

	bne	$2,$0,$L51
	move	$17,$23

	lw	$18,84($sp)
	move	$19,$0
$L53:
	lw	$5,0($17)
	lw	$16,0($18)
	move	$4,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L53
	addiu	$18,$18,4

	sll	$2,$21,2
$L81:
	addu	$23,$23,$2
$L43:
	lw	$4,24($sp)
	addiu	$fp,$fp,1
	bne	$4,$fp,$L22
	nop

$L15:
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	li	$2,-1			# 0xffffffffffffffff
	j	$31
	addiu	$sp,$sp,72

$L20:
	addiu	$fp,$4,-1
	bltz	$fp,$L15
	sll	$2,$4,2

	andi	$3,$3,0x10
	sw	$3,16($sp)
	addiu	$20,$2,-4
$L24:
	blez	$21,$L27
	lw	$3,16($sp)

	bne	$3,$0,$L78
	andi	$2,$fp,0x1

	bne	$2,$0,$L35
	move	$17,$23

	lw	$18,84($sp)
	move	$19,$0
$L37:
	lw	$5,0($17)
	lw	$16,0($18)
	move	$4,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L37
	addiu	$18,$18,4

	sll	$2,$21,2
$L82:
	addu	$23,$23,$2
$L27:
	addiu	$fp,$fp,-1
	li	$2,-1			# 0xffffffffffffffff
	bne	$fp,$2,$L24
	addiu	$20,$20,-4

	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	li	$2,-1			# 0xffffffffffffffff
	j	$31
	addiu	$sp,$sp,72

$L77:
	bne	$2,$0,$L79
	lw	$18,84($sp)

	move	$17,$23
	move	$19,$0
$L49:
	lw	$4,0($17)
	lw	$16,0($18)
	li	$2,-2147483648			# 0xffffffff80000000
	xor	$5,$2,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L49
	addiu	$18,$18,4

	j	$L81
	sll	$2,$21,2

$L51:
	lw	$18,84($sp)
	move	$19,$0
$L55:
	lw	$5,0($17)
	lw	$16,0($18)
	move	$4,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L55
	addiu	$18,$18,4

	j	$L81
	sll	$2,$21,2

$L79:
	lw	$19,84($sp)
	move	$18,$23
	move	$17,$0
$L41:
	lw	$4,0($18)
	lw	$16,0($19)
	move	$5,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$17,$17,1
	sw	$2,0($16)
	addiu	$18,$18,4
	bne	$21,$17,$L41
	addiu	$19,$19,4

	j	$L81
	sll	$2,$21,2

$L78:
	bne	$2,$0,$L80
	lw	$18,84($sp)

	move	$17,$23
	move	$19,$0
$L33:
	lw	$5,0($17)
	lw	$16,0($18)
	move	$4,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L33
	addiu	$18,$18,4

	j	$L82
	sll	$2,$21,2

$L35:
	lw	$18,84($sp)
	move	$19,$0
$L39:
	lw	$5,0($17)
	lw	$16,0($18)
	move	$4,$22
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$19,$19,1
	sw	$2,0($16)
	addiu	$17,$17,4
	bne	$21,$19,$L39
	addiu	$18,$18,4

	j	$L82
	sll	$2,$21,2

$L80:
	lw	$19,84($sp)
	move	$18,$23
	move	$17,$0
$L25:
	lw	$4,0($18)
	li	$2,-2147483648			# 0xffffffff80000000
	lw	$16,0($19)
	xor	$5,$22,$2
	jal	__mulsf3
	addu	$16,$16,$20

	addiu	$17,$17,1
	sw	$2,0($16)
	addiu	$18,$18,4
	bne	$21,$17,$L25
	addiu	$19,$19,4

	j	$L82
	sll	$2,$21,2

	.set	macro
	.set	reorder
	.end	af_filter_design_pfir
	.globl	__floatsisf
	.globl	__gtsf2
	.globl	__lesf2
	.globl	__subsf3
	.globl	__extendsfdf2
	.globl	__muldf3
	.globl	__divdf3
	.globl	__truncdfsf2
	.globl	__adddf3
	.globl	__divsf3
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC0:
	.word	1056964608
	.align	2
$LC1:
	.word	1065353216
	.align	2
$LC2:
	.word	1048576000
	.align	2
$LC3:
	.word	1070141403
	.align	2
$LC4:
	.word	1086918619
	.section	.rodata.cst8,"aM",@progbits,8
	.align	3
$LC5:
	.word	1413754136
	.word	1074340347
	.align	3
$LC6:
	.word	0
	.word	-1073741824
	.align	3
$LC7:
	.word	0
	.word	1072693248
	.section	.rodata.cst4
	.align	2
$LC8:
	.word	-1073741824
	.section	.text.af_filter_design_fir,"ax",@progbits
	.align	2
	.align	5
	.globl	af_filter_design_fir
	.ent	af_filter_design_fir
	.type	af_filter_design_fir, @function
af_filter_design_fir:
	.frame	$sp,112,$31		# vars= 56, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-112
	sw	$23,100($sp)
	sw	$22,96($sp)
	sw	$21,92($sp)
	sw	$20,88($sp)
	sw	$31,108($sp)
	sw	$fp,104($sp)
	sw	$19,84($sp)
	sw	$18,80($sp)
	sw	$17,76($sp)
	sw	$16,72($sp)
	move	$22,$5
	move	$23,$4
	move	$20,$6
	bne	$5,$0,$L159
	move	$21,$7

$L84:
	li	$2,-1			# 0xffffffffffffffff
$L151:
	lw	$31,108($sp)
	lw	$fp,104($sp)
	lw	$23,100($sp)
	lw	$22,96($sp)
	lw	$21,92($sp)
	lw	$20,88($sp)
	lw	$19,84($sp)
	lw	$18,80($sp)
	lw	$17,76($sp)
	lw	$16,72($sp)
	j	$31
	addiu	$sp,$sp,112

$L159:
	beq	$4,$0,$L151
	li	$2,-1			# 0xffffffffffffffff

	andi	$3,$7,0x1f
	sltu	$2,$3,19
	beq	$2,$0,$L151
	li	$2,-1			# 0xffffffffffffffff

	sll	$2,$3,2
	lui	$3,%hi($L94)
	addiu	$3,$3,%lo($L94)
	addu	$2,$2,$3
	lw	$4,0($2)
	j	$4
	nop

	.rdata
	.align	2
	.align	2
$L94:
	.word	$L84
	.word	$L87
	.word	$L88
	.word	$L84
	.word	$L89
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L90
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L84
	.word	$L91
	.word	$L92
	.word	$L93
	.section	.text.af_filter_design_fir
$L87:
	jal	af_window_boxcar
	move	$4,$23

	andi	$2,$23,0x1
$L168:
	sw	$2,68($sp)
	lw	$5,68($sp)
	addiu	$2,$23,1
	srl	$2,$2,1
	li	$3,1			# 0x1
	subu	$2,$2,$5
	subu	$4,$3,$5
	bltz	$4,$L97
	sw	$2,64($sp)

	jal	__floatsisf
	nop

	lui	$6,%hi($LC0)
$L170:
	lw	$17,%lo($LC0)($6)
	move	$4,$2
	jal	__mulsf3
	move	$5,$17

	sw	$2,56($sp)
	li	$2,196608			# 0x30000
	and	$2,$21,$2
	beq	$2,$0,$L98
	lui	$2,%hi($LC4)

	lw	$16,0($20)
	lui	$2,%hi($LC1)
	lw	$5,%lo($LC1)($2)
	jal	__gtsf2
	move	$4,$16

	blez	$2,$L160
	nop

$L158:
	lui	$3,%hi($LC3)
	lui	$2,%hi($LC2)
	lw	$3,%lo($LC3)($3)
	lw	$17,%lo($LC2)($2)
	sw	$3,60($sp)
$L103:
	li	$2,65536			# 0x10000
	and	$2,$21,$2
	beq	$2,$0,$L107
	lw	$3,68($sp)

	bne	$3,$0,$L109
	lw	$5,64($sp)

	move	$4,$0
	sw	$4,48($sp)
$L111:
	lw	$6,64($sp)
	beq	$6,$0,$L112
	sll	$2,$6,2

	subu	$3,$23,$6
	addu	$2,$22,$2
	sll	$3,$3,2
	addu	$3,$22,$3
	addiu	$fp,$2,-4
	move	$19,$0
	j	$L114
	sw	$3,28($sp)

$L161:
	jal	__floatsisf
	move	$4,$19

	lw	$5,56($sp)
$L167:
	jal	__subsf3
	move	$4,$2

	lw	$4,0($fp)
	jal	__extendsfdf2
	move	$18,$2

	lw	$5,60($sp)
	move	$4,$18
	move	$17,$3
	jal	__mulsf3
	move	$16,$2

	jal	__extendsfdf2
	move	$4,$2

	move	$4,$2
	jal	sin
	move	$5,$3

	move	$6,$2
	move	$5,$17
	move	$4,$16
	jal	__muldf3
	move	$7,$3

	move	$4,$18
	move	$16,$2
	jal	__extendsfdf2
	move	$17,$3

	move	$4,$2
	lui	$2,%hi($LC5)
	lw	$6,%lo($LC5)($2)
	lw	$7,%lo($LC5+4)($2)
	jal	__muldf3
	move	$5,$3

	move	$6,$2
	move	$7,$3
	move	$4,$16
	jal	__divdf3
	move	$5,$17

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	lw	$3,28($sp)
	move	$4,$2
	sw	$2,0($3)
	move	$5,$2
	jal	__addsf3
	sw	$2,0($fp)

	lw	$4,48($sp)
	jal	__addsf3
	move	$5,$2

	lw	$4,28($sp)
	lw	$5,64($sp)
	addiu	$4,$4,4
	sw	$2,48($sp)
	addiu	$fp,$fp,-4
	beq	$5,$19,$L112
	sw	$4,28($sp)

$L114:
	addiu	$19,$19,1
	bgez	$19,$L161
	andi	$2,$19,0x1

	srl	$4,$19,1
	jal	__floatsisf
	or	$4,$2,$4

	move	$4,$2
	jal	__addsf3
	move	$5,$2

	j	$L167
	lw	$5,56($sp)

$L88:
	jal	af_window_triang
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L89:
	jal	af_window_hamming
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L90:
	jal	af_window_hanning
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L91:
	jal	af_window_blackman
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L92:
	jal	af_window_flattop
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L93:
	lw	$6,128($sp)
	jal	af_window_kaiser
	move	$4,$23

	j	$L168
	andi	$2,$23,0x1

$L98:
	lw	$2,%lo($LC4)($2)
	move	$4,$0
	sw	$2,60($sp)
	sw	$4,48($sp)
$L112:
	li	$2,786432			# 0xc0000
	and	$2,$21,$2
	beq	$2,$0,$L172
	lui	$5,%hi($LC1)

	lw	$16,0($20)
	lui	$6,%hi($LC1)
	lw	$5,%lo($LC1)($6)
	move	$4,$16
	jal	__gtsf2
	lw	$17,4($20)

	blez	$2,$L162
	move	$4,$16

$L128:
	lui	$2,%hi($LC2)
	lw	$19,%lo($LC2)($2)
$L131:
	lui	$3,%hi($LC1)
	lw	$5,%lo($LC1)($3)
	jal	__gtsf2
	move	$4,$17

	blez	$2,$L163
	move	$4,$17

$L132:
	lui	$2,%hi($LC2)
	lw	$17,%lo($LC2)($2)
$L135:
	lw	$4,60($sp)
	jal	__mulsf3
	move	$5,$17

	lw	$4,60($sp)
	move	$5,$19
	jal	__mulsf3
	sw	$2,52($sp)

	sw	$2,16($sp)
	li	$2,262144			# 0x40000
	and	$2,$21,$2
	beq	$2,$0,$L136
	lw	$5,68($sp)

	beq	$5,$0,$L173
	lw	$2,64($sp)

	lw	$6,64($sp)
	move	$5,$17
	sll	$16,$6,2
	addu	$16,$22,$16
	lw	$18,0($16)
	jal	__addsf3
	move	$4,$19

	move	$5,$2
	jal	__mulsf3
	move	$4,$18

	move	$4,$17
	move	$5,$19
	jal	__subsf3
	sw	$2,48($sp)

	move	$4,$18
	move	$5,$18
	jal	__addsf3
	move	$17,$2

	move	$5,$2
	jal	__mulsf3
	move	$4,$17

	sw	$2,0($16)
	lw	$2,64($sp)
$L173:
	beq	$2,$0,$L126
	move	$4,$2

	subu	$3,$23,$4
	sll	$2,$2,2
	addu	$2,$2,$22
	sll	$3,$3,2
	addiu	$2,$2,-4
	addu	$3,$22,$3
	move	$fp,$0
	sw	$2,44($sp)
	j	$L141
	sw	$3,40($sp)

$L164:
	jal	__floatsisf
	move	$4,$fp

	lw	$5,56($sp)
$L169:
	jal	__subsf3
	move	$4,$2

	lw	$4,52($sp)
	move	$5,$2
	jal	__mulsf3
	move	$20,$2

	jal	__extendsfdf2
	move	$4,$2

	move	$5,$3
	jal	sin
	move	$4,$2

	move	$4,$20
	move	$16,$2
	jal	__extendsfdf2
	move	$17,$3

	move	$4,$2
	lui	$2,%hi($LC5)
	lw	$6,%lo($LC5)($2)
	lw	$7,%lo($LC5+4)($2)
	jal	__muldf3
	move	$5,$3

	lui	$6,%hi($LC7)
	lw	$4,%lo($LC7)($6)
	lw	$5,%lo($LC7+4)($6)
	move	$7,$3
	jal	__divdf3
	move	$6,$2

	move	$6,$2
	move	$7,$3
	move	$4,$16
	move	$5,$17
	move	$18,$2
	jal	__muldf3
	move	$19,$3

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	lw	$4,16($sp)
	move	$5,$20
	jal	__mulsf3
	move	$21,$2

	jal	__extendsfdf2
	move	$4,$2

	move	$4,$2
	jal	sin
	move	$5,$3

	move	$4,$2
	move	$6,$18
	move	$7,$19
	jal	__muldf3
	move	$5,$3

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	move	$16,$2
	lw	$2,44($sp)
	move	$4,$21
	lw	$17,0($2)
	jal	__addsf3
	move	$5,$16

	move	$5,$2
	jal	__mulsf3
	move	$4,$17

	lw	$4,48($sp)
	jal	__addsf3
	move	$5,$2

	move	$4,$21
	move	$5,$16
	jal	__subsf3
	sw	$2,48($sp)

	move	$5,$2
	jal	__mulsf3
	move	$4,$17

	lw	$3,40($sp)
	lw	$4,44($sp)
	lw	$5,64($sp)
	sw	$2,0($3)
	sw	$2,0($4)
	addiu	$3,$3,4
	addiu	$4,$4,-4
	sw	$3,40($sp)
	beq	$5,$fp,$L126
	sw	$4,44($sp)

$L141:
	addiu	$fp,$fp,1
	bgez	$fp,$L164
	andi	$2,$fp,0x1

	srl	$4,$fp,1
	jal	__floatsisf
	or	$4,$2,$4

	move	$4,$2
	jal	__addsf3
	move	$5,$2

	j	$L169
	lw	$5,56($sp)

$L162:
	jal	__lesf2
	move	$5,$0

	blez	$2,$L128
	lui	$2,%hi($LC0)

	lw	$5,%lo($LC0)($2)
	jal	__mulsf3
	move	$4,$16

	j	$L131
	move	$19,$2

$L163:
	jal	__lesf2
	move	$5,$0

	blez	$2,$L132
	lui	$4,%hi($LC0)

	lw	$5,%lo($LC0)($4)
	jal	__mulsf3
	move	$4,$17

	j	$L135
	move	$17,$2

$L126:
	lui	$5,%hi($LC1)
$L172:
	lw	$4,%lo($LC1)($5)
	lw	$5,48($sp)
	jal	__divsf3
	move	$16,$22

	move	$18,$2
	move	$17,$0
$L149:
	lw	$4,0($16)
	jal	__mulsf3
	move	$5,$18

	addiu	$17,$17,1
	sw	$2,0($16)
	bne	$23,$17,$L149
	addiu	$16,$16,4

	j	$L151
	move	$2,$0

$L97:
	srl	$2,$4,1
	andi	$4,$4,0x1
	jal	__floatsisf
	or	$4,$4,$2

	move	$4,$2
	jal	__addsf3
	move	$5,$2