rtjpegn.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 4,436 行 · 第 1/5 页

	.file	1 "RTjpegN.c"
	.section .mdebug.abi32
	.previous
	.section	.text.RTjpeg_b2s,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_b2s
	.ent	RTjpeg_b2s
	.type	RTjpeg_b2s, @function
RTjpeg_b2s:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lh	$3,0($4)
	slt	$2,$3,255
	bne	$2,$0,$L2
	li	$2,254			# 0xfe

$L4:
	sb	$2,0($5)
	lh	$2,126($4)
	bne	$2,$0,$L67
	lui	$13,%hi(RTjpeg_ZZ)

	li	$7,63			# 0x3f
	j	$L10
	addiu	$6,$13,%lo(RTjpeg_ZZ)

$L11:
	beq	$7,$0,$L13
	move	$8,$0

$L10:
	addiu	$7,$7,-1
	addu	$2,$7,$6
	lbu	$3,0($2)
	sll	$3,$3,1
	addu	$3,$3,$4
	lh	$2,0($3)
	beq	$2,$0,$L11
	sll	$2,$7,2

	bne	$7,$0,$L69
	andi	$8,$2,0x00ff

$L13:
	li	$9,2			# 0x2
	sb	$8,1($5)
$L19:
	j	$31
	move	$2,$9

$L2:
	bltz	$3,$L70
	nop

	j	$L4
	andi	$2,$3,0x00ff

$L70:
	j	$L4
	move	$2,$0

$L67:
	li	$7,63			# 0x3f
	li	$9,1			# 0x1
	li	$8,252			# 0xfc
	move	$11,$0
$L54:
	addiu	$2,$13,%lo(RTjpeg_ZZ)
$L76:
	addu	$2,$7,$2
	lbu	$3,0($2)
	sll	$3,$3,1
	addu	$3,$3,$4
	lh	$6,0($3)
	beq	$6,$0,$L22
	sll	$3,$6,$11

	li	$2,1			# 0x1
	beq	$6,$2,$L23
	or	$3,$3,$8

	li	$2,-1			# 0xffffffffffffffff
	beq	$6,$2,$L71
	li	$3,2			# 0x2

$L24:
	sll	$2,$3,$11
	or	$2,$2,$8
	beq	$11,$3,$L31
	andi	$6,$2,0x00ff

	sltu	$2,$11,3
	beq	$2,$0,$L33
	li	$2,4			# 0x4

	bne	$11,$0,$L75
	addiu	$12,$13,%lo(RTjpeg_ZZ)

$L31:
	addu	$2,$5,$9
	sb	$6,0($2)
	addiu	$9,$9,1
	move	$6,$0
	j	$L55
	li	$11,4			# 0x4

$L73:
	andi	$11,$10,0x00ff
$L39:
	addiu	$7,$7,-1
	blez	$7,$L72
	nop

$L55:
	addiu	$12,$13,%lo(RTjpeg_ZZ)
$L75:
	addu	$2,$7,$12
	lbu	$3,0($2)
	addiu	$10,$11,-4
	sll	$3,$3,1
	addu	$3,$3,$4
	lhu	$2,0($3)
	addu	$8,$5,$9
	andi	$3,$2,0xf
	addiu	$2,$2,7
	andi	$2,$2,0xffff
	sll	$3,$3,$11
	sltu	$2,$2,15
	beq	$2,$0,$L53
	or	$3,$3,$6

	bne	$11,$0,$L73
	andi	$6,$3,0x00ff

	sb	$6,0($8)
	addiu	$9,$9,1
	move	$6,$0
	j	$L39
	li	$11,4			# 0x4

$L71:
	li	$2,3			# 0x3
	sll	$2,$2,$11
	or	$2,$2,$8
	andi	$8,$2,0x00ff
$L22:
	addiu	$3,$11,-2
	beq	$11,$0,$L25
	addu	$2,$5,$9

	andi	$11,$3,0x00ff
$L27:
	addiu	$7,$7,-1
	bne	$7,$0,$L76
	addiu	$2,$13,%lo(RTjpeg_ZZ)

	li	$2,6			# 0x6
	beq	$11,$2,$L19
	nop

	move	$2,$9
	addu	$2,$5,$2
	addiu	$9,$9,1
	j	$L19
	sb	$8,0($2)

$L25:
	sb	$8,0($2)
	addiu	$9,$9,1
	li	$11,6			# 0x6
	j	$L27
	move	$8,$0

$L72:
	bne	$11,$0,$L19
	nop

	addu	$2,$5,$9
	addiu	$9,$9,1
	j	$L19
	sb	$6,0($2)

$L23:
	j	$L22
	andi	$8,$3,0x00ff

$L33:
	beq	$11,$2,$L32
	li	$2,6			# 0x6

	bne	$11,$2,$L75
	addiu	$12,$13,%lo(RTjpeg_ZZ)

$L32:
	j	$L55
	move	$11,$0

$L53:
$L36:
	li	$2,8			# 0x8
	sll	$2,$2,$11
	addu	$3,$5,$9
	or	$2,$2,$6
	addiu	$9,$9,1
	move	$8,$12
	j	$L42
	sb	$2,0($3)

$L74:
	beq	$3,$0,$L47
	li	$6,127			# 0x7f

	sll	$6,$2,24
	sra	$6,$6,24
$L47:
	addu	$2,$5,$9
	sb	$6,0($2)
	addiu	$9,$9,1
$L48:
	addiu	$7,$7,-1
	blez	$7,$L19
	nop

$L42:
	addu	$3,$7,$8
	lbu	$2,0($3)
	sll	$2,$2,1
	addu	$2,$2,$4
	lh	$2,0($2)
	slt	$3,$2,128
	bgtz	$2,$L74
	slt	$6,$2,-128

	bne	$6,$0,$L51
	li	$3,-128			# 0xffffffffffffff80

	sll	$3,$2,24
	sra	$3,$3,24
$L51:
	addu	$2,$5,$9
	addiu	$9,$9,1
	j	$L48
	sb	$3,0($2)

$L69:
	bgtz	$7,$L16
	li	$2,1			# 0x1

	addu	$2,$5,$2
	li	$9,2			# 0x2
	j	$L19
	sb	$8,0($2)

$L16:
	li	$9,1			# 0x1
	j	$L54
	move	$11,$0

	.set	macro
	.set	reorder
	.end	RTjpeg_b2s
	.section	.text.RTjpeg_s2b,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_s2b
	.ent	RTjpeg_s2b
	.type	RTjpeg_s2b, @function
RTjpeg_s2b:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lbu	$2,0($5)
	lw	$3,0($7)
	move	$13,$4
	mul	$2,$2,$3
	sh	$2,0($4)
	lbu	$3,1($5)
	srl	$4,$3,2
	slt	$2,$4,63
	beq	$2,$0,$L124
	move	$15,$5

	lui	$24,%hi(RTjpeg_ZZ)
	li	$8,63			# 0x3f
	addiu	$5,$24,%lo(RTjpeg_ZZ)
$L81:
	addu	$3,$8,$5
	lbu	$2,0($3)
	addiu	$8,$8,-1
	sll	$2,$2,1
	addu	$2,$2,$13
	bne	$4,$8,$L81
	sh	$0,0($2)

	beq	$8,$0,$L130
	li	$10,2			# 0x2

	blez	$8,$L122
	li	$10,1			# 0x1

	move	$11,$0
$L114:
	addu	$5,$15,$10
	lbu	$2,0($5)
	addiu	$3,$24,%lo(RTjpeg_ZZ)
	sra	$2,$2,$11
	addu	$3,$8,$3
	andi	$4,$2,0x3
	li	$2,1			# 0x1
	beq	$4,$2,$L90
	lbu	$3,0($3)

	beq	$4,$0,$L89
	sll	$2,$3,1

	li	$2,2			# 0x2
	beq	$4,$2,$L91
	li	$2,3			# 0x3

	beq	$4,$2,$L125
	sll	$2,$3,2

$L88:
	beq	$11,$0,$L93
	addiu	$2,$11,-2

	andi	$11,$2,0x00ff
$L95:
	addiu	$8,$8,-1
	bne	$8,$0,$L114
	li	$2,6			# 0x6

	beq	$11,$2,$L85
	nop

	addiu	$10,$10,1
$L129:
	j	$31
	move	$2,$10

$L93:
	addiu	$10,$10,1
	j	$L95
	li	$11,6			# 0x6

$L89:
	addu	$2,$2,$13
	j	$L88
	sh	$0,0($2)

$L90:
	sll	$2,$3,2
	addu	$2,$2,$7
	lw	$4,0($2)
	sll	$3,$3,1
	addu	$3,$3,$13
	j	$L88
	sh	$4,0($3)

$L125:
	addu	$2,$2,$7
	lw	$4,0($2)
	sll	$3,$3,1
	addu	$3,$3,$13
	subu	$4,$0,$4
	j	$L88
	sh	$4,0($3)

$L91:
	beq	$11,$4,$L99
	nop

	sltu	$2,$11,3
	bne	$2,$0,$L126
	li	$2,4			# 0x4

	beq	$11,$2,$L100
	nop

	li	$2,6			# 0x6
	bne	$11,$2,$L120
	nop

$L100:
	j	$L120
	move	$11,$0

$L122:
	li	$10,2			# 0x2
$L85:
$L130:
	j	$31
	move	$2,$10

$L126:
	bne	$11,$0,$L120
	nop

$L99:
	addiu	$10,$10,1
	li	$11,4			# 0x4
	j	$L120
	addu	$5,$15,$10

$L128:
	addiu	$8,$8,-1
	andi	$11,$14,0x00ff
	blez	$8,$L127
	addu	$5,$15,$10

$L120:
	lbu	$2,0($5)
	addiu	$12,$24,%lo(RTjpeg_ZZ)
	sra	$2,$2,$11
	andi	$2,$2,0x00ff
	andi	$4,$2,0xf
	andi	$9,$2,0x8
	li	$3,8			# 0x8
	addu	$2,$8,$12
	addiu	$14,$11,-4
	ori	$6,$4,0xf0
	beq	$4,$3,$L102
	lbu	$2,0($2)

	sll	$5,$2,2
	movn	$4,$6,$9
	addu	$5,$5,$7
	sll	$4,$4,24
	lw	$3,0($5)
	sra	$4,$4,24
	mul	$4,$4,$3
	sll	$2,$2,1
	addu	$2,$2,$13
	bne	$11,$0,$L128
	sh	$4,0($2)

	addiu	$10,$10,1
	addiu	$8,$8,-1
	li	$11,4			# 0x4
	bgtz	$8,$L120
	addu	$5,$15,$10

$L127:
	li	$2,4			# 0x4
	beq	$11,$2,$L85
	nop

	j	$L129
	addiu	$10,$10,1

$L102:
	move	$6,$5
	addiu	$10,$10,1
	move	$9,$12
$L111:
	addu	$2,$8,$9
	lbu	$3,0($2)
	lb	$4,1($6)
	sll	$2,$3,2
	addu	$2,$2,$7
	lw	$5,0($2)
	sll	$3,$3,1
	mul	$4,$4,$5
	addu	$3,$3,$13
	addiu	$8,$8,-1
	sh	$4,0($3)
	addiu	$10,$10,1
	bgtz	$8,$L111
	addiu	$6,$6,1

	j	$31
	move	$2,$10

$L124:
	li	$10,1			# 0x1
	li	$8,63			# 0x3f
	move	$11,$0
	j	$L114
	lui	$24,%hi(RTjpeg_ZZ)

	.set	macro
	.set	reorder
	.end	RTjpeg_s2b
	.section	.text.RTjpeg_quant_init,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_quant_init
	.ent	RTjpeg_quant_init
	.type	RTjpeg_quant_init, @function
RTjpeg_quant_init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	RTjpeg_quant_init
	.section	.text.RTjpeg_quant,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_quant
	.ent	RTjpeg_quant
	.type	RTjpeg_quant, @function
RTjpeg_quant:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	move	$6,$0
	li	$7,64			# 0x40
$L134:
	lh	$2,0($4)
	lw	$3,0($5)
	addiu	$6,$6,1
	mul	$2,$2,$3
	addiu	$5,$5,4
	addiu	$2,$2,32767
	sra	$2,$2,16
	sh	$2,0($4)
	bne	$6,$7,$L134
	addiu	$4,$4,2

	j	$31
	nop

	.set	macro
	.set	reorder
	.end	RTjpeg_quant
	.globl	__udivdi3
	.section	.text.RTjpeg_dct_init,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_dct_init
	.ent	RTjpeg_dct_init
	.type	RTjpeg_dct_init, @function
RTjpeg_dct_init:
	.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$31,40($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lui	$2,%hi(RTjpeg_lqt)
	lui	$3,%hi(RTjpeg_cqt)
	lw	$19,%lo(RTjpeg_lqt)($2)
	lw	$18,%lo(RTjpeg_cqt)($3)
	lui	$2,%hi(RTjpeg_aan_tab)
	addiu	$20,$2,%lo(RTjpeg_aan_tab)
	lui	$21,%hi(RTjpeg_aan_tab+512)
$L140:
	lw	$2,0($19)
	lw	$16,0($20)
	lw	$17,4($20)
	move	$5,$2
	move	$4,$0
	move	$6,$16
	jal	__udivdi3
	move	$7,$17

	sw	$2,0($19)
	lw	$2,0($18)
	move	$4,$0
	move	$5,$2
	move	$6,$16
	jal	__udivdi3
	move	$7,$17

	addiu	$20,$20,8
	addiu	$3,$21,%lo(RTjpeg_aan_tab+512)
	sw	$2,0($18)
	addiu	$19,$19,4
	bne	$20,$3,$L140
	addiu	$18,$18,4

	lw	$31,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,48

	.set	macro
	.set	reorder
	.end	RTjpeg_dct_init
	.section	.text.RTjpeg_dctY,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_dctY
	.ent	RTjpeg_dctY
	.type	RTjpeg_dctY, @function
RTjpeg_dctY:
	.frame	$sp,32,$31		# vars= 0, regs= 7/0, args= 0, gp= 0
	.mask	0x007f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$21,20($sp)
	lui	$21,%hi(RTjpeg_ws)
	sw	$22,24($sp)
	sw	$20,16($sp)
	sw	$19,12($sp)
	sw	$18,8($sp)
	sw	$17,4($sp)
	sw	$16,0($sp)
	move	$22,$5
	sll	$19,$6,3
	move	$24,$4
	addiu	$25,$21,%lo(RTjpeg_ws)
	lui	$20,%hi(RTjpeg_ws+256)
$L146:
	lbu	$5,7($24)
	lbu	$4,6($24)
	lbu	$3,5($24)
	lbu	$2,4($24)
	lbu	$10,0($24)
	lbu	$12,1($24)
	lbu	$16,2($24)
	lbu	$15,3($24)
	subu	$18,$10,$5
	subu	$11,$12,$4
	subu	$8,$16,$3
	subu	$6,$15,$2
	addu	$10,$10,$5
	addu	$12,$12,$4
	addu	$16,$16,$3
	addu	$15,$15,$2
	addu	$14,$11,$8
	subu	$17,$10,$15
	addu	$8,$8,$6
	addu	$11,$18,$11
	subu	$13,$12,$16
	addu	$13,$17,$13
	subu	$2,$8,$11
	sll	$3,$8,4
	sll	$5,$8,2
	sll	$7,$14,2
	sll	$4,$14,4
	addu	$5,$5,$3
	subu	$4,$4,$7
	sll	$6,$2,4
	sll	$3,$13,2
	sll	$2,$2,1
	sll	$7,$13,4
	subu	$7,$7,$3
	subu	$6,$6,$2
	sll	$3,$4,4
	subu	$3,$3,$4
	li	$2,334			# 0x14e
	sll	$4,$6,3
	subu	$4,$4,$6
	mul	$6,$11,$2
	sll	$9,$5,3
	subu	$9,$9,$5
	sll	$5,$7,4
	subu	$9,$9,$8
	addu	$3,$3,$14
	subu	$5,$5,$7
	sll	$18,$18,8
	addu	$10,$10,$15
	addu	$12,$12,$16
	addu	$11,$6,$4
	addu	$5,$5,$13
	subu	$6,$18,$3
	addu	$4,$4,$9
	subu	$2,$10,$12
	sll	$17,$17,8
	addu	$3,$3,$18
	addu	$10,$10,$12
	subu	$7,$17,$5
	subu	$8,$6,$4
	subu	$9,$3,$11
	sll	$2,$2,8
	sll	$10,$10,8
	addu	$5,$5,$17
	addu	$4,$4,$6
	addu	$11,$11,$3
	sw	$2,16($25)
	sw	$10,0($25)
	sw	$5,8($25)
	sw	$7,24($25)
	sw	$4,20($25)
	sw	$8,12($25)
	sw	$11,4($25)
	sw	$9,28($25)
	addiu	$2,$20,%lo(RTjpeg_ws+256)
	addiu	$25,$25,32
	bne	$25,$2,$L146
	addu	$24,$24,$19

	move	$24,$22
	addiu	$25,$21,%lo(RTjpeg_ws)
	lui	$20,%hi(RTjpeg_ws+32)
	li	$19,32768			# 0x8000
$L148:
	lw	$5,224($25)
	lw	$4,192($25)
	lw	$3,160($25)
	lw	$2,128($25)
	lw	$11,0($25)
	lw	$13,32($25)
	lw	$18,64($25)
	lw	$16,96($25)
	subu	$17,$11,$5
	subu	$10,$13,$4
	subu	$9,$18,$3
	subu	$6,$16,$2
	addu	$11,$11,$5
	addu	$13,$13,$4
	addu	$18,$18,$3
	addu	$16,$16,$2
	addu	$15,$10,$9
	subu	$12,$11,$16
	addu	$9,$9,$6
	addu	$10,$17,$10
	subu	$14,$13,$18
	addu	$14,$12,$14
	subu	$2,$9,$10
	sll	$4,$9,4
	sll	$8,$9,2
	sll	$5,$15,2
	sll	$3,$15,4
	addu	$8,$8,$4
	subu	$3,$3,$5
	sll	$4,$2,4
	sll	$6,$14,2
	sll	$2,$2,1
	sll	$5,$14,4
	subu	$5,$5,$6
	subu	$4,$4,$2
	sll	$6,$3,4
	subu	$6,$6,$3
	li	$2,334			# 0x14e
	sll	$3,$4,3
	subu	$3,$3,$4
	mul	$4,$10,$2
	sll	$7,$8,3
	subu	$7,$7,$8
	sll	$8,$5,4
	subu	$7,$7,$9
	addu	$6,$6,$15
	subu	$8,$8,$5
	sll	$17,$17,8
	addu	$10,$4,$3
	subu	$9,$17,$6
	addu	$3,$3,$7
	addu	$8,$8,$14
	sll	$12,$12,8
	addu	$11,$11,$16
	addu	$13,$13,$18
	addu	$6,$6,$17
	subu	$2,$11,$13
	subu	$4,$12,$8
	subu	$5,$9,$3
	subu	$7,$6,$10
	addu	$3,$3,$19
	addiu	$11,$11,128
	addu	$12,$12,$19
	addu	$10,$10,$19
	addu	$9,$9,$3
	addu	$13,$13,$11
	addiu	$2,$2,128
	addu	$8,$8,$12
	addu	$4,$4,$19
	addu	$5,$5,$19
	addu	$6,$6,$10
	addu	$7,$7,$19
	sra	$13,$13,8
	sra	$2,$2,8
	sra	$8,$8,16
	sra	$4,$4,16
	sra	$9,$9,16
	sra	$5,$5,16
	sra	$6,$6,16
	sra	$7,$7,16
	addiu	$25,$25,4
	addiu	$3,$20,%lo(RTjpeg_ws+32)
	sh	$13,0($24)
	sh	$2,64($24)
	sh	$8,32($24)
	sh	$4,96($24)
	sh	$9,80($24)
	sh	$5,48($24)
	sh	$6,16($24)
	sh	$7,112($24)
	bne	$25,$3,$L148
	addiu	$24,$24,2

	lw	$22,24($sp)
	lw	$21,20($sp)
	lw	$20,16($sp)
	lw	$19,12($sp)
	lw	$18,8($sp)
	lw	$17,4($sp)
	lw	$16,0($sp)
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	RTjpeg_dctY
	.section	.text.RTjpeg_idct_init,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_idct_init
	.ent	RTjpeg_idct_init
	.type	RTjpeg_idct_init, @function
RTjpeg_idct_init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$2,%hi(RTjpeg_liqt)
	lui	$3,%hi(RTjpeg_ciqt)
	lw	$9,%lo(RTjpeg_liqt)($2)
	lw	$8,%lo(RTjpeg_ciqt)($3)
	lui	$2,%hi(RTjpeg_aan_tab)
	lui	$3,%hi(RTjpeg_aan_tab+512)
	addiu	$10,$2,%lo(RTjpeg_aan_tab)
	addiu	$11,$3,%lo(RTjpeg_aan_tab+512)
$L156:
	lw	$4,0($9)
	lw	$6,0($10)
	lw	$7,4($10)
	multu	$4,$6
	addiu	$10,$10,8
	mfhi	$3
	mul	$12,$7,$4
	addu	$2,$12,$3
	sw	$2,0($9)
	lw	$4,0($8)
	addiu	$9,$9,4
	multu	$6,$4
	mfhi	$3
	mul	$12,$7,$4
	addu	$2,$12,$3
	sw	$2,0($8)
	bne	$10,$11,$L156
	addiu	$8,$8,4

	j	$31
	nop

	.set	macro
	.set	reorder
	.end	RTjpeg_idct_init
	.section	.text.RTjpeg_idct,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_idct
	.ent	RTjpeg_idct
	.type	RTjpeg_idct, @function
RTjpeg_idct:
	.frame	$sp,288,$31		# vars= 256, regs= 8/0, args= 0, gp= 0
	.mask	0x00ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro