mdct.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 3,872 行 · 第 1/5 页

	.file	1 "mdct.c"
	.section .mdebug.abi32
	.previous
	.section	.text.faad_mdct_end,"ax",@progbits
	.align	2
	.align	5
	.globl	faad_mdct_end
	.ent	faad_mdct_end
	.type	faad_mdct_end, @function
faad_mdct_end:
	.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
	.mask	0x80010000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	sw	$16,16($sp)
	sw	$31,20($sp)
	beq	$4,$0,$L4
	move	$16,$4

	jal	cfftu
	lw	$4,4($4)

	move	$4,$16
	lw	$31,20($sp)
	lw	$16,16($sp)
	j	faad_free
	addiu	$sp,$sp,24

$L4:
	lw	$31,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	faad_mdct_end
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"N % 8 == 0\000"
	.align	2
$LC1:
	.ascii	"mdct.c\000"
	.section	.text.faad_mdct_init,"ax",@progbits
	.align	2
	.align	5
	.globl	faad_mdct_init
	.ent	faad_mdct_init
	.type	faad_mdct_init, @function
faad_mdct_init:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$16,16($sp)
	andi	$16,$4,0xffff
	sw	$17,20($sp)
	sw	$31,24($sp)
	jal	faad_malloc
	li	$4,12			# 0xc

	move	$17,$2
	andi	$2,$16,0x7
	bne	$2,$0,$L18
	li	$2,960			# 0x3c0

	beq	$16,$2,$L12
	sh	$16,0($17)

	sltu	$2,$16,961
	bne	$2,$0,$L19
	li	$2,240			# 0xf0

	li	$2,1920			# 0x780
	beq	$16,$2,$L14
	li	$2,2048			# 0x800

	beq	$16,$2,$L15
	li	$2,1024			# 0x400

	bne	$16,$2,$L9
	lui	$2,%hi(mdct_tab_1024)

	addiu	$2,$2,%lo(mdct_tab_1024)
	sw	$2,8($17)
$L9:
	jal	cffti
	srl	$4,$16,2

	sw	$2,4($17)
	lw	$31,24($sp)
	move	$2,$17
	lw	$16,16($sp)
	lw	$17,20($sp)
	j	$31
	addiu	$sp,$sp,32

$L19:
	beq	$16,$2,$L10
	li	$2,256			# 0x100

	bne	$16,$2,$L9
	lui	$2,%hi(mdct_tab_256)

	addiu	$2,$2,%lo(mdct_tab_256)
	j	$L9
	sw	$2,8($17)

$L12:
	lui	$2,%hi(mdct_tab_960)
	addiu	$2,$2,%lo(mdct_tab_960)
	sw	$2,8($17)
	jal	cffti
	srl	$4,$16,2

	sw	$2,4($17)
	lw	$31,24($sp)
	move	$2,$17
	lw	$16,16($sp)
	lw	$17,20($sp)
	j	$31
	addiu	$sp,$sp,32

$L15:
	lui	$2,%hi(mdct_tab_2048)
	addiu	$2,$2,%lo(mdct_tab_2048)
	j	$L9
	sw	$2,8($17)

$L14:
	lui	$2,%hi(mdct_tab_1920)
	addiu	$2,$2,%lo(mdct_tab_1920)
	sw	$2,8($17)
	jal	cffti
	srl	$4,$16,2

	sw	$2,4($17)
	lw	$31,24($sp)
	move	$2,$17
	lw	$16,16($sp)
	lw	$17,20($sp)
	j	$31
	addiu	$sp,$sp,32

$L10:
	lui	$2,%hi(mdct_tab_240)
	addiu	$2,$2,%lo(mdct_tab_240)
	sw	$2,8($17)
	jal	cffti
	srl	$4,$16,2

	sw	$2,4($17)
	lw	$31,24($sp)
	move	$2,$17
	lw	$16,16($sp)
	lw	$17,20($sp)
	j	$31
	addiu	$sp,$sp,32

$L18:
	lui	$4,%hi($LC0)
	lui	$5,%hi($LC1)
	lui	$7,%hi(__PRETTY_FUNCTION__.3509)
	addiu	$4,$4,%lo($LC0)
	addiu	$5,$5,%lo($LC1)
	addiu	$7,$7,%lo(__PRETTY_FUNCTION__.3509)
	jal	__assert_fail
	li	$6,63			# 0x3f

	.set	macro
	.set	reorder
	.end	faad_mdct_init
	.section	.text.faad_imdct,"ax",@progbits
	.align	2
	.align	5
	.globl	faad_imdct
	.ent	faad_imdct
	.type	faad_imdct, @function
faad_imdct:
	.frame	$sp,4320,$31		# vars= 4264, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-4320
	sw	$31,4316($sp)
	sw	$fp,4312($sp)
	sw	$23,4308($sp)
	sw	$22,4304($sp)
	sw	$21,4300($sp)
	sw	$20,4296($sp)
	sw	$19,4292($sp)
	sw	$18,4288($sp)
	sw	$17,4284($sp)
	sw	$16,4280($sp)
	sw	$4,4320($sp)
	lhu	$2,0($4)
	sw	$5,4324($sp)
	lw	$5,4320($sp)
	addiu	$3,$2,-1
	lw	$5,8($5)
	srl	$4,$2,2
	and	$3,$2,$3
	sw	$6,4328($sp)
	srl	$6,$2,1
	srl	$2,$2,3
	sw	$4,4136($sp)
	sw	$3,4156($sp)
	sw	$5,4144($sp)
	sw	$6,4140($sp)
	beq	$4,$0,$L21
	sw	$2,4132($sp)

	sw	$0,4112($sp)
$L23:
	lw	$8,4112($sp)
	lw	$10,4140($sp)
	sll	$2,$8,1
	lw	$11,4324($sp)
	subu	$2,$10,$2
	lw	$12,4144($sp)
	sll	$21,$8,3
	sll	$2,$2,2
	addu	$3,$12,$21
	addu	$5,$21,$11
	addu	$2,$2,$11
	lw	$6,-4($2)
	lw	$7,4($3)
	lw	$4,0($5)
	lw	$5,0($3)
	move	$16,$4
	move	$10,$5
	sra	$11,$5,31
	sra	$3,$7,31
	sra	$5,$6,31
	mul	$23,$5,$10
	mul	$fp,$3,$6
	mul	$22,$3,$16
	mul	$31,$11,$16
	multu	$10,$6
	addiu	$20,$8,1
	mflo	$18
	mfhi	$19
	multu	$16,$7
	andi	$20,$20,0xffff
	mflo	$24
	mfhi	$25
	multu	$16,$10
	sw	$19,4172($sp)
	sw	$18,4168($sp)
	sw	$20,4112($sp)
	mflo	$18
	mfhi	$19
	addiu	$20,$sp,16
	multu	$6,$7
	sra	$17,$4,31
	addu	$20,$20,$21
	sw	$24,4176($sp)
	mfhi	$21
	sw	$20,4120($sp)
	mflo	$20
	mul	$24,$17,$10
	mtlo	$fp
	madd	$5,$7
	addu	$31,$24,$31
	mflo	$24
	mul	$5,$17,$7
	sw	$24,4160($sp)
	mul	$24,$11,$6
	sw	$25,4180($sp)
	addu	$4,$24,$23
	addu	$2,$5,$22
	lw	$11,4172($sp)
	lw	$22,4180($sp)
	lw	$24,4168($sp)
	lw	$25,4176($sp)
	lw	$10,4160($sp)
	li	$23,-2147483648			# 0xffffffff80000000
	addu	$11,$4,$11
	addu	$22,$2,$22
	addu	$19,$31,$19
	addu	$21,$10,$21
	addu	$8,$18,$23
	addu	$14,$20,$23
	addu	$6,$24,$23
	addu	$12,$25,$23
	sltu	$2,$8,$18
	addiu	$9,$19,-1
	sltu	$3,$14,$20
	addiu	$15,$21,-1
	sltu	$4,$6,$24
	addiu	$7,$11,-1
	sltu	$5,$12,$25
	addiu	$13,$22,-1
	addu	$2,$2,$9
	addu	$3,$3,$15
	addu	$4,$4,$7
	addu	$5,$5,$13
	lw	$19,4120($sp)
	addu	$8,$2,$3
	subu	$6,$4,$5
	lw	$20,4136($sp)
	lw	$21,4112($sp)
	sll	$8,$8,1
	sll	$6,$6,1
	sw	$11,4172($sp)
	sw	$22,4180($sp)
	sw	$6,0($19)
	bne	$20,$21,$L23
	sw	$8,4($19)

	lw	$22,4320($sp)
	addiu	$5,$sp,16
	jal	cfftb
	lw	$4,4($22)

	lw	$23,4156($sp)
	bne	$23,$0,$L25
	nop

	sw	$0,4148($sp)
$L27:
	lw	$24,4148($sp)
	addiu	$4,$sp,16
	sll	$3,$24,3
	addu	$4,$4,$3
	sw	$4,4124($sp)
	lw	$25,4144($sp)
	lw	$5,4124($sp)
	addu	$2,$25,$3
	lw	$6,4($2)
	lw	$4,0($2)
	lw	$3,4($5)
	lw	$2,0($5)
	move	$10,$4
	move	$16,$3
	sra	$11,$4,31
	sra	$17,$3,31
	move	$4,$2
	sra	$3,$6,31
	mul	$18,$3,$4
	sra	$5,$2,31
	sw	$18,4188($sp)
	mul	$18,$5,$10
	mul	$24,$3,$16
	mul	$fp,$11,$16
	multu	$10,$4
	sw	$18,4272($sp)
	mfhi	$19
	mflo	$18
	multu	$16,$6
	sw	$18,4192($sp)
	mflo	$22
	lw	$18,4148($sp)
	mfhi	$23
	multu	$16,$10
	sw	$19,4196($sp)
	addiu	$20,$18,1
	mfhi	$19
	mflo	$18
	multu	$4,$6
	andi	$20,$20,0xffff
	mfhi	$21
	sw	$22,4200($sp)
	sw	$20,4148($sp)
	mflo	$20
	mul	$22,$17,$10
	sw	$23,4204($sp)
	addu	$fp,$22,$fp
	lw	$22,4188($sp)
	lw	$25,4200($sp)
	mtlo	$22
	madd	$5,$6
	li	$23,-2147483648			# 0xffffffff80000000
	mflo	$22
	addu	$19,$fp,$19
	sw	$22,4184($sp)
	lw	$22,4272($sp)
	lw	$10,4184($sp)
	mtlo	$22
	madd	$11,$4
	lw	$22,4204($sp)
	mflo	$4
	mul	$5,$17,$6
	lw	$11,4196($sp)
	addu	$2,$5,$24
	lw	$24,4192($sp)
	addu	$11,$4,$11
	addu	$22,$2,$22
	addu	$21,$10,$21
	addu	$8,$18,$23
	addu	$14,$20,$23
	addu	$6,$24,$23
	addu	$12,$25,$23
	sltu	$2,$8,$18
	addiu	$9,$19,-1
	sltu	$3,$14,$20
	addiu	$15,$21,-1
	sltu	$4,$6,$24
	addiu	$7,$11,-1
	sltu	$5,$12,$25
	addiu	$13,$22,-1
	addu	$2,$2,$9
	addu	$3,$3,$15
	addu	$4,$4,$7
	addu	$5,$5,$13
	lw	$19,4124($sp)
	addu	$8,$2,$3
	subu	$6,$4,$5
	lw	$20,4136($sp)
	lw	$21,4148($sp)
	sll	$8,$8,1
	sll	$6,$6,1
	sw	$11,4196($sp)
	sw	$22,4204($sp)
	sw	$6,0($19)
	bne	$20,$21,$L27
	sw	$8,4($19)

	lw	$18,4132($sp)
$L40:
	beq	$18,$0,$L33
	lw	$20,4136($sp)

	lw	$19,4140($sp)
	move	$25,$0
	addu	$19,$19,$20
	move	$22,$20
	move	$24,$19
	j	$L32
	sw	$19,4128($sp)

$L39:
	lw	$22,4136($sp)
	lw	$24,4128($sp)
$L32:
	lw	$21,4132($sp)
	addiu	$23,$sp,16
	addu	$5,$25,$21
	addiu	$9,$5,1
	subu	$2,$21,$25
	subu	$4,$22,$25
	sll	$9,$9,3
	addu	$9,$9,$23
	addiu	$8,$2,-2
	addiu	$10,$4,-2
	addiu	$2,$2,-1
	addiu	$4,$4,-1
	lw	$21,0($9)
	sll	$3,$25,1
	sll	$7,$25,3
	addiu	$19,$25,2
	addiu	$11,$25,1
	sll	$2,$2,3
	lw	$25,4140($sp)
	sll	$8,$8,3
	sll	$4,$4,3
	sll	$10,$10,3
	addu	$2,$2,$23
	addu	$8,$8,$23
	addu	$10,$10,$23
	addu	$4,$4,$23
	sll	$11,$11,3
	sll	$5,$5,3
	lw	$15,4($8)
	lw	$12,0($8)
	lw	$14,4($4)
	lw	$8,4($10)
	lw	$18,4($2)
	lw	$13,0($2)
	addu	$20,$7,$23
	addu	$5,$5,$23
	addu	$11,$11,$23
	addu	$6,$24,$3
	addu	$2,$22,$3
	sw	$21,4264($sp)
	lw	$22,4328($sp)
	addu	$3,$25,$3
	lw	$4,0($4)
	lw	$21,0($10)
	lw	$fp,0($5)
	lw	$10,4($5)
	andi	$25,$19,0xffff
	lw	$5,0($20)
	lw	$19,4($9)
	sll	$2,$2,2
	lw	$9,0($11)
	sll	$3,$3,2
	lw	$24,4264($sp)
	lw	$16,4($20)
	lw	$17,4($11)
	addu	$2,$22,$2
	addu	$3,$22,$3
	addu	$7,$7,$22
	lw	$23,4132($sp)
	subu	$13,$0,$13
	subu	$12,$0,$12
	subu	$14,$0,$14
	subu	$8,$0,$8
	subu	$15,$0,$15
	sw	$12,12($7)
	sw	$10,0($7)
	sw	$19,8($7)
	sw	$13,4($7)
	sw	$4,4268($sp)
	sw	$8,12($2)
	sw	$5,0($2)
	sw	$9,8($2)
	sw	$14,4($2)
	sll	$6,$6,2
	sw	$15,12($3)
	sw	$fp,0($3)
	sw	$24,8($3)
	lw	$2,4268($sp)
	addu	$6,$22,$6
	subu	$18,$0,$18
	subu	$16,$0,$16
	subu	$17,$0,$17
	sltu	$4,$25,$23
	sw	$18,4($3)
	sw	$21,12($6)
	sw	$16,0($6)
	sw	$17,8($6)
	bne	$4,$0,$L39
	sw	$2,4($6)

$L33:
	lw	$31,4316($sp)
	lw	$fp,4312($sp)
	lw	$23,4308($sp)
	lw	$22,4304($sp)
	lw	$21,4300($sp)
	lw	$20,4296($sp)
	lw	$19,4292($sp)
	lw	$18,4288($sp)
	lw	$17,4284($sp)
	lw	$16,4280($sp)
	j	$31
	addiu	$sp,$sp,4320

$L21:
	lw	$3,4320($sp)
	addiu	$5,$sp,16
	jal	cfftb
	lw	$4,4($3)

	j	$L40
	lw	$18,4132($sp)

$L25:
	sw	$0,4116($sp)
$L29:
	lw	$22,4116($sp)
	lw	$23,4144($sp)
	sll	$3,$22,3
	addiu	$24,$sp,16
	addu	$2,$23,$3
	addu	$24,$24,$3
	lw	$6,4($2)
	lw	$4,0($2)
	lw	$3,4($24)
	lw	$2,0($24)
	move	$20,$3
	move	$10,$4
	sra	$21,$3,31
	sra	$11,$4,31
	sra	$3,$6,31
	move	$4,$2
	mul	$22,$3,$4
	sra	$5,$2,31
	sw	$22,4220($sp)
	mul	$22,$5,$10
	mul	$fp,$11,$20
	sw	$22,4232($sp)
	mul	$22,$3,$20
	multu	$10,$4
	lw	$23,4116($sp)
	sw	$24,4152($sp)
	mfhi	$25
	mflo	$24
	multu	$20,$6
	sw	$24,4240($sp)
	sw	$25,4244($sp)
	sw	$22,4248($sp)
	mflo	$24
	mfhi	$25
	addiu	$22,$23,1
	multu	$20,$10
	andi	$22,$22,0xffff
	mfhi	$23
	sw	$22,4116($sp)
	mflo	$22
	multu	$4,$6
	sw	$22,4208($sp)
	mflo	$22
	sw	$23,4212($sp)
	sw	$22,4224($sp)
	mfhi	$23
	mul	$22,$21,$10
	sw	$25,4260($sp)
	addu	$fp,$22,$fp
	lw	$22,4220($sp)
	sw	$23,4228($sp)
	mtlo	$22
	madd	$5,$6
	lw	$5,4248($sp)
	mflo	$22
	lw	$23,4208($sp)
	sw	$22,4216($sp)
	lw	$22,4232($sp)
	lw	$20,4228($sp)
	mtlo	$22
	madd	$11,$4
	lw	$22,4260($sp)
	mflo	$4
	mtlo	$5
	madd	$21,$6
	lw	$11,4216($sp)
	mflo	$2
	sw	$24,4256($sp)
	addu	$22,$2,$22
	li	$24,-2147483648			# 0xffffffff80000000
	lw	$2,4240($sp)
	addu	$20,$11,$20
	lw	$21,4244($sp)
	sw	$22,4260($sp)
	addu	$8,$23,$24
	lw	$3,4256($sp)
	addu	$6,$2,$24
	sw	$20,4228($sp)
	sltu	$2,$8,$23
	addiu	$13,$20,-1
	lw	$22,4256($sp)
	lw	$20,4240($sp)
	lw	$23,4260($sp)
	lw	$10,4212($sp)
	addu	$21,$4,$21
	lw	$25,4224($sp)
	addu	$14,$3,$24
	sltu	$4,$6,$20
	addiu	$7,$21,-1
	sltu	$5,$14,$22
	addiu	$15,$23,-1
	addu	$10,$fp,$10
	addu	$4,$4,$7
	addu	$12,$25,$24
	addu	$5,$5,$15
	subu	$6,$4,$5
	addiu	$9,$10,-1
	sltu	$3,$12,$25
	li	$4,286326784			# 0x11110000
	ori	$4,$4,0x1111
	addu	$2,$2,$9
	addu	$3,$3,$13
	sll	$6,$6,1
	mult	$6,$4
	addu	$8,$2,$3
	sll	$8,$8,1
	mflo	$2
	mfhi	$3
	mult	$8,$4
	li	$8,134217728			# 0x8000000
	mflo	$4
	mfhi	$5
	addu	$18,$4,$8
	addu	$16,$2,$8
	sltu	$6,$18,$4
	sltu	$7,$16,$2
	addu	$19,$6,$5
	sw	$10,4212($sp)
	addu	$17,$7,$3
	lw	$10,4152($sp)
	sll	$3,$19,4
	srl	$18,$18,28
	or	$18,$3,$18
	sw	$21,4244($sp)
	sll	$2,$17,4
	sw	$18,4($10)
	srl	$16,$16,28
	lw	$11,4136($sp)
	lw	$12,4116($sp)
	or	$16,$2,$16
	bne	$11,$12,$L29
	sw	$16,0($10)

	j	$L40
	lw	$18,4132($sp)

	.set	macro
	.set	reorder
	.end	faad_imdct
	.globl	__floatsidf
	.globl	__divdf3
	.globl	__adddf3
	.globl	__fixdfsi
	.section	.rodata.cst8,"aM",@progbits,8
	.align	3
$LC2:
	.word	0
	.word	1089470464
	.align	3
$LC3:
	.word	0
	.word	1071644672
	.section	.text.faad_mdct,"ax",@progbits
	.align	2
	.align	5
	.globl	faad_mdct
	.ent	faad_mdct
	.type	faad_mdct, @function
faad_mdct:
	.frame	$sp,4328,$31		# vars= 4272, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-4328
	sw	$31,4324($sp)
	sw	$fp,4320($sp)
	sw	$23,4316($sp)
	sw	$22,4312($sp)
	sw	$21,4308($sp)
	sw	$20,4304($sp)
	sw	$19,4300($sp)
	sw	$18,4296($sp)
	sw	$17,4292($sp)
	sw	$16,4288($sp)
	lhu	$2,0($4)
	sw	$4,4328($sp)
	move	$4,$2
	sw	$5,4332($sp)
	sw	$6,4336($sp)
	jal	__floatsidf
	sw	$2,4148($sp)

	lui	$6,%hi($LC2)
	lw	$4,%lo($LC2)($6)
	lw	$5,%lo($LC2+4)($6)
	move	$7,$3
	jal	__divdf3
	move	$6,$2

	lui	$4,%hi($LC3)
	lw	$6,%lo($LC3)($4)
	lw	$7,%lo($LC3+4)($4)
	move	$5,$3
	jal	__adddf3
	move	$4,$2

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

	lw	$4,4148($sp)
	lw	$5,4328($sp)
	move	$3,$2
	lw	$5,8($5)
	addiu	$2,$4,-1
	srl	$6,$4,1
	srl	$7,$4,2
	srl	$8,$4,3
	and	$2,$4,$2
	sw	$5,4152($sp)
	sw	$6,4144($sp)
	sw	$7,4140($sp)
	beq	$2,$0,$L42