rtjpegn.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 4,600 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

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