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

	addiu	$sp,$sp,-288
	sw	$23,284($sp)
	sw	$22,280($sp)
	sw	$21,276($sp)
	sw	$20,272($sp)
	sw	$16,256($sp)
	move	$23,$4
	move	$22,$6
	move	$16,$5
	move	$25,$sp
	li	$20,8			# 0x8
	li	$21,362			# 0x16a
	sw	$19,268($sp)
	sw	$18,264($sp)
	j	$L162
	sw	$17,260($sp)

$L214:
	lh	$2,0($16)
	addiu	$20,$20,-1
	sw	$2,224($25)
	sw	$2,0($25)
	sw	$2,32($25)
	sw	$2,64($25)
	sw	$2,96($25)
	sw	$2,128($25)
	sw	$2,160($25)
	sw	$2,192($25)
	addiu	$16,$16,2
	beq	$20,$0,$L213
	addiu	$25,$25,4

$L162:
	lh	$12,32($16)
	lh	$9,96($16)
	lh	$11,16($16)
	subu	$2,$12,$9
	mul	$2,$2,$21
	lh	$14,48($16)
	lh	$13,80($16)
	lh	$10,112($16)
	subu	$6,$13,$14
	subu	$8,$11,$10
	li	$7,-669			# 0xfffffffffffffd63
	addiu	$2,$2,128
	addu	$17,$12,$9
	mul	$7,$6,$7
	sra	$2,$2,8
	addu	$6,$6,$8
	subu	$19,$2,$17
	sll	$3,$6,6
	sll	$2,$6,2
	addu	$15,$14,$13
	or	$12,$11,$12
	subu	$3,$3,$2
	addu	$11,$11,$10
	subu	$4,$11,$15
	subu	$3,$3,$6
	sll	$2,$8,2
	sll	$5,$8,6
	mul	$4,$4,$21
	addu	$2,$2,$5
	sll	$3,$3,3
	addu	$3,$3,$6
	addu	$2,$2,$8
	lh	$18,64($16)
	addiu	$7,$7,128
	addiu	$3,$3,128
	sll	$2,$2,2
	sra	$3,$3,8
	sra	$7,$7,8
	addu	$2,$2,$8
	addu	$15,$15,$11
	or	$13,$13,$12
	addu	$7,$3,$7
	addiu	$4,$4,128
	addiu	$2,$2,128
	or	$14,$14,$18
	subu	$24,$7,$15
	sra	$4,$4,8
	sra	$2,$2,8
	or	$9,$9,$14
	or	$10,$10,$13
	subu	$2,$2,$3
	subu	$11,$4,$24
	or	$9,$9,$10
	beq	$9,$0,$L214
	addu	$12,$2,$11

	lh	$2,0($16)
	addiu	$20,$20,-1
	subu	$3,$2,$18
	addu	$2,$2,$18
	subu	$5,$2,$17
	subu	$4,$3,$19
	addu	$2,$2,$17
	addu	$3,$3,$19
	subu	$6,$2,$15
	subu	$7,$3,$24
	subu	$8,$4,$11
	subu	$9,$5,$12
	addu	$2,$2,$15
	addu	$3,$3,$24
	addu	$4,$4,$11
	addu	$5,$5,$12
	sw	$2,0($25)
	sw	$6,224($25)
	sw	$3,32($25)
	sw	$7,192($25)
	sw	$4,64($25)
	sw	$8,160($25)
	sw	$5,128($25)
	sw	$9,96($25)
	addiu	$16,$16,2
	bne	$20,$0,$L162
	addiu	$25,$25,4

$L213:
	move	$24,$23
	move	$17,$sp
	addiu	$19,$sp,224
	j	$L167
	li	$18,362			# 0x16a

$L215:
	li	$5,235			# 0xeb
$L170:
	subu	$2,$14,$11
	addiu	$2,$2,4
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L173
	sb	$5,0($24)

$L216:
	li	$4,235			# 0xeb
$L175:
	addiu	$2,$13,4
	addu	$2,$6,$2
	sra	$5,$2,3
	sll	$3,$5,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L178
	sb	$4,7($24)

$L217:
	li	$4,235			# 0xeb
$L180:
	subu	$2,$13,$6
	addiu	$2,$2,4
	sra	$6,$2,3
	sll	$3,$6,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L183
	sb	$4,1($24)

$L218:
	li	$6,235			# 0xeb
$L185:
	addiu	$2,$9,4
	addu	$2,$7,$2
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L188
	sb	$6,6($24)

$L219:
	li	$4,235			# 0xeb
$L190:
	subu	$2,$9,$7
	addiu	$2,$2,4
	sra	$7,$2,3
	sll	$3,$7,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L193
	sb	$4,2($24)

$L220:
	li	$7,235			# 0xeb
$L195:
	addiu	$2,$10,4
	addu	$2,$15,$2
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L198
	sb	$7,5($24)

$L221:
	li	$4,235			# 0xeb
$L200:
	subu	$2,$10,$15
	addiu	$2,$2,4
	sra	$15,$2,3
	sll	$3,$15,16
	sra	$3,$3,16
	slt	$2,$3,236
	bne	$2,$0,$L203
	sb	$4,4($24)

$L222:
	li	$2,235			# 0xeb
$L205:
	sb	$2,3($24)
	beq	$19,$17,$L210
	addu	$24,$24,$22

$L223:
	addiu	$17,$17,32
$L167:
	lw	$5,12($17)
	lw	$7,28($17)
	lw	$11,20($17)
	lw	$10,4($17)
	subu	$6,$11,$5
	subu	$9,$10,$7
	addu	$8,$6,$9
	lw	$14,24($17)
	sll	$4,$8,2
	lw	$12,8($17)
	sll	$3,$8,6
	li	$2,-669			# 0xfffffffffffffd63
	lw	$13,0($17)
	lw	$16,16($17)
	addu	$11,$11,$5
	addu	$10,$10,$7
	mul	$6,$6,$2
	subu	$3,$3,$4
	addu	$15,$13,$16
	subu	$5,$12,$14
	subu	$7,$10,$11
	sll	$4,$9,6
	addu	$12,$12,$14
	subu	$3,$3,$8
	sll	$2,$9,2
	addu	$2,$2,$4
	addu	$14,$15,$12
	mul	$5,$5,$18
	mul	$7,$7,$18
	sll	$3,$3,3
	addu	$11,$11,$10
	addu	$3,$3,$8
	addu	$2,$2,$9
	addiu	$4,$14,4
	addiu	$3,$3,128
	addiu	$6,$6,128
	sll	$2,$2,2
	addu	$4,$11,$4
	sra	$3,$3,8
	addu	$2,$2,$9
	sra	$6,$6,8
	sra	$4,$4,3
	addu	$6,$3,$6
	addiu	$5,$5,128
	addiu	$7,$7,128
	addiu	$2,$2,128
	sll	$8,$4,16
	sra	$5,$5,8
	subu	$6,$6,$11
	sra	$7,$7,8
	sra	$2,$2,8
	sra	$8,$8,16
	subu	$13,$13,$16
	subu	$2,$2,$3
	subu	$5,$5,$12
	subu	$7,$7,$6
	slt	$3,$8,236
	subu	$10,$15,$12
	subu	$9,$13,$5
	addu	$15,$2,$7
	beq	$3,$0,$L215
	addu	$13,$13,$5

	slt	$2,$8,16
	beq	$2,$0,$L170
	andi	$5,$4,0x00ff

	subu	$2,$14,$11
	addiu	$2,$2,4
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	li	$5,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L216
	sb	$5,0($24)

$L173:
	slt	$2,$3,16
	beq	$2,$0,$L175
	andi	$4,$4,0x00ff

	addiu	$2,$13,4
	addu	$2,$6,$2
	sra	$5,$2,3
	sll	$3,$5,16
	sra	$3,$3,16
	li	$4,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L217
	sb	$4,7($24)

$L178:
	slt	$2,$3,16
	beq	$2,$0,$L180
	andi	$4,$5,0x00ff

	subu	$2,$13,$6
	addiu	$2,$2,4
	sra	$6,$2,3
	sll	$3,$6,16
	sra	$3,$3,16
	li	$4,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L218
	sb	$4,1($24)

$L183:
	slt	$2,$3,16
	beq	$2,$0,$L185
	andi	$6,$6,0x00ff

	addiu	$2,$9,4
	addu	$2,$7,$2
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	li	$6,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L219
	sb	$6,6($24)

$L188:
	slt	$2,$3,16
	beq	$2,$0,$L190
	andi	$4,$4,0x00ff

	subu	$2,$9,$7
	addiu	$2,$2,4
	sra	$7,$2,3
	sll	$3,$7,16
	sra	$3,$3,16
	li	$4,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L220
	sb	$4,2($24)

$L193:
	slt	$2,$3,16
	beq	$2,$0,$L195
	andi	$7,$7,0x00ff

	addiu	$2,$10,4
	addu	$2,$15,$2
	sra	$4,$2,3
	sll	$3,$4,16
	sra	$3,$3,16
	li	$7,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L221
	sb	$7,5($24)

$L198:
	slt	$2,$3,16
	beq	$2,$0,$L200
	andi	$4,$4,0x00ff

	subu	$2,$10,$15
	addiu	$2,$2,4
	sra	$15,$2,3
	sll	$3,$15,16
	sra	$3,$3,16
	li	$4,16			# 0x10
	slt	$2,$3,236
	beq	$2,$0,$L222
	sb	$4,4($24)

$L203:
	slt	$2,$3,16
	beq	$2,$0,$L205
	andi	$2,$15,0x00ff

	li	$2,16			# 0x10
	sb	$2,3($24)
	bne	$19,$17,$L223
	addu	$24,$24,$22

$L210:
	lw	$23,284($sp)
	lw	$22,280($sp)
	lw	$21,276($sp)
	lw	$20,272($sp)
	lw	$19,268($sp)
	lw	$18,264($sp)
	lw	$17,260($sp)
	lw	$16,256($sp)
	j	$31
	addiu	$sp,$sp,288

	.set	macro
	.set	reorder
	.end	RTjpeg_idct
	.section	.text.RTjpeg_init_data,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_init_data
	.ent	RTjpeg_init_data
	.type	RTjpeg_init_data, @function
RTjpeg_init_data:
	.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_alldata)
	addiu	$2,$2,%lo(RTjpeg_alldata)
	addiu	$2,$2,32
	srl	$2,$2,5
	sll	$2,$2,5
	lui	$3,%hi(RTjpeg_lqt)
	addiu	$5,$2,128
	lui	$4,%hi(RTjpeg_cqt)
	addiu	$6,$2,384
	addiu	$7,$2,640
	sw	$5,%lo(RTjpeg_lqt)($3)
	lui	$3,%hi(RTjpeg_liqt)
	addiu	$8,$2,896
	sw	$6,%lo(RTjpeg_cqt)($4)
	sw	$7,%lo(RTjpeg_liqt)($3)
	lui	$4,%hi(RTjpeg_ciqt)
	lui	$3,%hi(RTjpeg_block)
	sw	$8,%lo(RTjpeg_ciqt)($4)
	j	$31
	sw	$2,%lo(RTjpeg_block)($3)

	.set	macro
	.set	reorder
	.end	RTjpeg_init_data
	.section	.text.RTjpeg_decompressYUV422,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_decompressYUV422
	.ent	RTjpeg_decompressYUV422
	.type	RTjpeg_decompressYUV422, @function
RTjpeg_decompressYUV422:
	.frame	$sp,80,$31		# vars= 24, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-80
	sw	$16,40($sp)
	sw	$31,76($sp)
	sw	$fp,72($sp)
	sw	$23,68($sp)
	sw	$22,64($sp)
	sw	$21,60($sp)
	sw	$20,56($sp)
	sw	$19,52($sp)
	sw	$18,48($sp)
	sw	$17,44($sp)
	lui	$2,%hi(RTjpeg_height)
	lw	$2,%lo(RTjpeg_height)($2)
	sw	$5,84($sp)
	sw	$2,16($sp)
	lui	$2,%hi(RTjpeg_Ysize)
	lw	$5,%lo(RTjpeg_Ysize)($2)
	lw	$2,16($sp)
	lui	$3,%hi(RTjpeg_Csize)
	move	$16,$4
	beq	$2,$0,$L247
	lw	$4,%lo(RTjpeg_Csize)($3)

	lw	$3,84($sp)
	lui	$2,%hi(RTjpeg_width)
	addu	$23,$5,$3
	lui	$3,%hi(RTjpeg_cb8)
	lw	$18,%lo(RTjpeg_width)($2)
	lbu	$3,%lo(RTjpeg_cb8)($3)
	lui	$2,%hi(RTjpeg_block)
	lw	$17,%lo(RTjpeg_block)($2)
	lui	$2,%hi(RTjpeg_ciqt)
	lw	$2,%lo(RTjpeg_ciqt)($2)
	sw	$3,32($sp)
	lui	$3,%hi(RTjpeg_lb8)
	lbu	$3,%lo(RTjpeg_lb8)($3)
	sw	$2,28($sp)
	lui	$2,%hi(RTjpeg_liqt)
	sw	$3,36($sp)
	lw	$fp,%lo(RTjpeg_liqt)($2)
	sll	$3,$18,2
	sll	$2,$18,3
	addu	$22,$23,$4
	sw	$2,24($sp)
	sw	$3,20($sp)
$L229:
	blez	$18,$L252
	lw	$2,16($sp)

	lw	$20,84($sp)
	move	$19,$0
	j	$L231
	move	$21,$0

$L248:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L256
	move	$5,$16

$L249:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L254
	lw	$6,32($sp)

$L250:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L255
	lw	$6,32($sp)

$L251:
	addiu	$19,$19,16
	slt	$2,$19,$18
	addiu	$16,$16,1
	beq	$2,$0,$L244
	addiu	$20,$20,16

$L230:
	addiu	$21,$21,8
$L231:
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L248
	lw	$6,36($sp)

	move	$5,$16
	move	$4,$17
	jal	RTjpeg_s2b
	move	$7,$fp

	addu	$16,$2,$16
	move	$4,$20
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L249
	lw	$6,36($sp)

	move	$5,$16
$L256:
	move	$4,$17
	jal	RTjpeg_s2b
	move	$7,$fp

	addu	$16,$16,$2
	addiu	$4,$20,8
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L250
	lw	$6,32($sp)

$L254:
	lw	$7,28($sp)
	move	$5,$16
	jal	RTjpeg_s2b
	move	$4,$17

	addu	$16,$16,$2
	addu	$4,$21,$23
	move	$5,$17
	jal	RTjpeg_idct
	sra	$6,$18,1

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L251
	lw	$6,32($sp)

$L255:
	lw	$7,28($sp)
	move	$5,$16
	jal	RTjpeg_s2b
	move	$4,$17

	addiu	$19,$19,16
	addu	$4,$22,$21
	move	$5,$17
	sra	$6,$18,1
	jal	RTjpeg_idct
	addu	$16,$16,$2

	slt	$2,$19,$18
	bne	$2,$0,$L230
	addiu	$20,$20,16

$L244:
	lw	$2,16($sp)
$L252:
	addiu	$2,$2,-8
	beq	$2,$0,$L247
	sw	$2,16($sp)

	lw	$3,84($sp)
	lw	$2,24($sp)
	addu	$3,$3,$2
	sw	$3,84($sp)
	lw	$3,20($sp)
	addu	$23,$23,$3
	j	$L229
	addu	$22,$22,$3

$L247:
	lw	$31,76($sp)
	lw	$fp,72($sp)
	lw	$23,68($sp)
	lw	$22,64($sp)
	lw	$21,60($sp)
	lw	$20,56($sp)
	lw	$19,52($sp)
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	j	$31
	addiu	$sp,$sp,80

	.set	macro
	.set	reorder
	.end	RTjpeg_decompressYUV422
	.section	.text.RTjpeg_decompressYUV420,"ax",@progbits
	.align	2
	.align	5
	.globl	RTjpeg_decompressYUV420
	.ent	RTjpeg_decompressYUV420
	.type	RTjpeg_decompressYUV420, @function
RTjpeg_decompressYUV420:
	.frame	$sp,80,$31		# vars= 24, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-80
	sw	$16,40($sp)
	sw	$31,76($sp)
	sw	$fp,72($sp)
	sw	$23,68($sp)
	sw	$22,64($sp)
	sw	$21,60($sp)
	sw	$20,56($sp)
	sw	$19,52($sp)
	sw	$18,48($sp)
	sw	$17,44($sp)
	lui	$2,%hi(RTjpeg_height)
	lw	$3,%lo(RTjpeg_height)($2)
	lui	$2,%hi(RTjpeg_width)
	sra	$3,$3,1
	sw	$3,16($sp)
	lw	$18,%lo(RTjpeg_width)($2)
	lui	$2,%hi(RTjpeg_Csize)
	move	$16,$4
	lw	$4,%lo(RTjpeg_Csize)($2)
	lw	$2,16($sp)
	lui	$3,%hi(RTjpeg_Ysize)
	sw	$5,84($sp)
	beq	$2,$0,$L283
	lw	$3,%lo(RTjpeg_Ysize)($3)

	addu	$3,$5,$3
	sw	$3,20($sp)
	lui	$3,%hi(RTjpeg_cb8)
	lbu	$3,%lo(RTjpeg_cb8)($3)
	lui	$2,%hi(RTjpeg_block)
	lw	$17,%lo(RTjpeg_block)($2)
	sw	$3,32($sp)
	lui	$2,%hi(RTjpeg_ciqt)
	lui	$3,%hi(RTjpeg_lb8)
	lw	$2,%lo(RTjpeg_ciqt)($2)
	lbu	$23,%lo(RTjpeg_lb8)($3)
	sll	$3,$18,3
	addu	$3,$3,$5
	sw	$2,28($sp)
	sw	$3,24($sp)
	lui	$2,%hi(RTjpeg_liqt)
	lw	$3,20($sp)
	sra	$4,$4,1
	lw	$22,%lo(RTjpeg_liqt)($2)
	addu	$fp,$3,$4
$L260:
	blez	$18,$L291
	lw	$4,16($sp)

	lw	$21,24($sp)
	lw	$20,84($sp)
	j	$L261
	move	$19,$0

$L285:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L292
	move	$5,$16

$L286:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L293
	move	$5,$16

$L287:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L294
	move	$5,$16

$L288:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L295
	lw	$6,32($sp)

$L289:
	addiu	$16,$16,1
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	bne	$3,$2,$L296
	lw	$6,32($sp)

$L290:
	addiu	$19,$19,8
	sll	$2,$19,1
	slt	$2,$2,$18
	addiu	$16,$16,1
	addiu	$21,$21,16
	beq	$2,$0,$L280
	addiu	$20,$20,16

$L261:
	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L285
	move	$5,$16

	move	$4,$17
	move	$6,$23
	jal	RTjpeg_s2b
	move	$7,$22

	addu	$16,$2,$16
	move	$4,$20
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L286
	move	$5,$16

$L292:
	move	$4,$17
	move	$6,$23
	jal	RTjpeg_s2b
	move	$7,$22

	addu	$16,$16,$2
	addiu	$4,$20,8
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L287
	move	$5,$16

$L293:
	move	$4,$17
	move	$6,$23
	jal	RTjpeg_s2b
	move	$7,$22

	addu	$16,$16,$2
	move	$4,$21
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L288
	move	$5,$16

$L294:
	move	$4,$17
	move	$6,$23
	jal	RTjpeg_s2b
	move	$7,$22

	addu	$16,$16,$2
	addiu	$4,$21,8
	move	$5,$17
	jal	RTjpeg_idct
	move	$6,$18

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L289
	lw	$6,32($sp)

$L295:
	lw	$7,28($sp)
	move	$5,$16
	jal	RTjpeg_s2b
	move	$4,$17

	lw	$3,20($sp)
	addu	$16,$16,$2
	addu	$4,$19,$3
	move	$5,$17
	jal	RTjpeg_idct
	sra	$6,$18,1

	lb	$3,0($16)
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L290
	lw	$6,32($sp)

$L296:
	lw	$7,28($sp)
	move	$5,$16
	jal	RTjpeg_s2b
	move	$4,$17

	addu	$4,$19,$fp
	move	$5,$17
	sra	$6,$18,1
	addiu	$19,$19,8
	jal	RTjpeg_idct
	addu	$16,$16,$2

	sll	$2,$19,1
	slt	$2,$2,$18
	addiu	$21,$21,16
	bne	$2,$0,$L261
	addiu	$20,$20,16

$L280:
	lw	$4,16($sp)
$L291:
	addiu	$4,$4,-8
	beq	$4,$0,$L283
	sw	$4,16($sp)

	lw	$4,24($sp)
	sll	$2,$18,4
	addu	$4,$4,$2
	sw	$4,24($sp)
	lw	$4,84($sp)
	sll	$3,$18,2
	addu	$4,$4,$2
	lw	$2,20($sp)
	addu	$fp,$fp,$3