hcr.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 1,458 行 · 第 1/2 页

.file	1 "hcr.c"
.section .mdebug.abi32
.previous
.section	.text.rewrev_lword,"ax",@progbits
.align	2
.align	5
.ent	rewrev_lword
.type	rewrev_lword, @function
rewrev_lword:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

andi	$8,$6,0x00ff
sltu	$2,$8,33
move	$9,$4
beq	$2,$0,$L2
move	$10,$5

sw	$0,0($4)
lw	$2,0($5)
li	$3,1431633920			# 0x55550000
li	$4,-1431699456			# 0xffffffffaaaa0000
sll	$5,$2,1
ori	$3,$3,0x5555
ori	$4,$4,0xaaaa
srl	$2,$2,1
and	$5,$5,$4
and	$2,$2,$3
or	$2,$2,$5
li	$3,858980352			# 0x33330000
li	$4,-859045888			# 0xffffffffcccc0000
sll	$6,$2,2
ori	$3,$3,0x3333
ori	$4,$4,0xcccc
srl	$2,$2,2
and	$6,$6,$4
and	$2,$2,$3
or	$2,$2,$6
li	$3,252641280			# 0xf0f0000
li	$4,-252706816			# 0xfffffffff0f00000
sll	$5,$2,4
ori	$3,$3,0xf0f
ori	$4,$4,0xf0f0
srl	$2,$2,4
and	$2,$2,$3
and	$5,$5,$4
or	$2,$2,$5
li	$3,16711680			# 0xff0000
li	$4,-16777216			# 0xffffffffff000000
sll	$6,$2,8
ori	$3,$3,0xff
ori	$4,$4,0xff00
srl	$2,$2,8
and	$2,$2,$3
and	$6,$6,$4
or	$2,$2,$6
sll	$4,$2,16
srl	$2,$2,16
or	$2,$2,$4
subu	$3,$0,$8
srl	$2,$2,$3
j	$31
sw	$2,0($10)

$L2:
lw	$3,0($5)
lw	$2,0($4)
li	$5,1431633920			# 0x55550000
li	$4,-1431699456			# 0xffffffffaaaa0000
ori	$5,$5,0x5555
ori	$4,$4,0xaaaa
sll	$6,$3,1
srl	$3,$3,1
and	$6,$6,$4
sll	$7,$2,1
and	$3,$3,$5
srl	$2,$2,1
and	$7,$7,$4
and	$2,$2,$5
or	$3,$3,$6
li	$5,858980352			# 0x33330000
li	$4,-859045888			# 0xffffffffcccc0000
ori	$5,$5,0x3333
ori	$4,$4,0xcccc
or	$2,$2,$7
sll	$6,$3,2
srl	$3,$3,2
and	$6,$6,$4
sll	$7,$2,2
and	$3,$3,$5
srl	$2,$2,2
and	$7,$7,$4
and	$2,$2,$5
or	$3,$3,$6
li	$5,252641280			# 0xf0f0000
li	$4,-252706816			# 0xfffffffff0f00000
ori	$5,$5,0xf0f
ori	$4,$4,0xf0f0
or	$2,$2,$7
sll	$6,$3,4
srl	$3,$3,4
and	$6,$6,$4
sll	$7,$2,4
and	$3,$3,$5
srl	$2,$2,4
and	$7,$7,$4
and	$2,$2,$5
or	$3,$3,$6
li	$5,16711680			# 0xff0000
li	$4,-16777216			# 0xffffffffff000000
ori	$5,$5,0xff
ori	$4,$4,0xff00
or	$2,$2,$7
sll	$6,$3,8
srl	$3,$3,8
sll	$7,$2,8
and	$3,$3,$5
and	$6,$6,$4
srl	$2,$2,8
and	$2,$2,$5
and	$7,$7,$4
or	$3,$3,$6
sll	$4,$3,16
or	$2,$2,$7
srl	$3,$3,16
sll	$5,$2,16
or	$3,$3,$4
srl	$2,$2,16
li	$4,64			# 0x40
or	$2,$2,$5
subu	$4,$4,$8
sll	$5,$3,$8
srl	$2,$2,$4
or	$2,$2,$5
srl	$3,$3,$4
sw	$2,0($10)
j	$31
sw	$3,0($9)

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

andi	$5,$5,0x00ff
addiu	$3,$5,-1
addiu	$2,$5,-16
andi	$3,$3,0x00ff
andi	$2,$2,0x00ff
andi	$4,$4,0x00ff
sltu	$3,$3,11
sltu	$2,$2,16
bne	$3,$0,$L8
sltu	$6,$4,11

beq	$2,$0,$L11
nop

$L8:
bne	$6,$0,$L17
xor	$2,$5,$4

sltu	$3,$2,1
$L11:
j	$31
move	$2,$3

$L17:
addiu	$2,$4,1
xor	$2,$5,$2
bne	$5,$4,$L11
sltu	$3,$2,1

li	$3,1			# 0x1
j	$31
move	$2,$3

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

andi	$5,$5,0xffff
sll	$5,$5,4
addu	$5,$5,$4
sh	$6,2($5)
sb	$7,0($5)
sb	$0,12($5)
j	$31
sb	$0,1($5)

.set	macro
.set	reorder
.end	fill_in_codeword
.section	.text.read_segment,"ax",@progbits
.align	2
.align	5
.globl	read_segment
.ent	read_segment
.type	read_segment, @function
read_segment:
.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

andi	$7,$5,0x00ff
addiu	$sp,$sp,-32
sltu	$2,$7,33
sw	$18,24($sp)
sw	$17,20($sp)
sw	$31,28($sp)
sw	$16,16($sp)
move	$18,$4
move	$17,$6
bne	$2,$0,$L21
sb	$7,8($4)

lbu	$2,20($6)
beq	$2,$0,$L23
move	$16,$0

$L25:
sw	$16,4($18)
$L56:
lbu	$2,20($17)
beq	$2,$0,$L32
move	$16,$0

$L34:
sw	$16,0($18)
$L54:
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

$L21:
lbu	$2,20($6)
beq	$2,$0,$L53
move	$16,$0

$L48:
sw	$16,0($18)
$L55:
sw	$0,4($18)
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

$L23:
lw	$8,8($6)
addiu	$7,$7,-32
sltu	$2,$8,$7
bne	$2,$0,$L26
lui	$2,%hi(bitmask)

addiu	$2,$2,%lo(bitmask)
sll	$4,$7,2
addu	$4,$4,$2
lw	$3,0($6)
lw	$5,0($4)
subu	$2,$8,$7
srl	$3,$3,$2
and	$16,$3,$5
$L28:
lbu	$2,21($17)
bne	$2,$0,$L25
sltu	$2,$7,$8

beq	$2,$0,$L30
subu	$2,$8,$7

j	$L25
sw	$2,8($17)

$L53:
beq	$7,$0,$L48
nop

lw	$8,8($6)
sltu	$2,$8,$7
bne	$2,$0,$L45
lui	$2,%hi(bitmask)

addiu	$2,$2,%lo(bitmask)
sll	$4,$7,2
addu	$4,$4,$2
lw	$3,0($6)
lw	$5,0($4)
subu	$2,$8,$7
srl	$3,$3,$2
and	$16,$3,$5
$L47:
lbu	$2,21($17)
bne	$2,$0,$L48
sltu	$2,$7,$8

beq	$2,$0,$L50
subu	$2,$8,$7

j	$L48
sw	$2,8($17)

$L32:
lw	$7,8($17)
sltu	$2,$7,32
bne	$2,$0,$L35
lui	$2,%hi(bitmask)

lw	$2,0($17)
srl	$16,$2,$7
$L37:
lbu	$2,21($17)
bne	$2,$0,$L34
sltu	$2,$7,33

bne	$2,$0,$L39
addiu	$2,$7,-32

sw	$2,8($17)
j	$L54
sw	$16,0($18)

$L35:
addiu	$2,$2,%lo(bitmask)
sll	$3,$7,2
addu	$3,$3,$2
lw	$6,0($3)
li	$4,32			# 0x20
lw	$2,0($17)
subu	$5,$4,$7
lw	$3,4($17)
and	$2,$2,$6
subu	$4,$4,$5
srl	$3,$3,$4
sll	$2,$2,$5
j	$L37
or	$16,$2,$3

$L26:
addiu	$2,$2,%lo(bitmask)
sll	$3,$8,2
addu	$3,$3,$2
lw	$6,0($3)
lw	$4,0($17)
subu	$5,$7,$8
lw	$3,4($17)
and	$4,$4,$6
subu	$2,$0,$5
srl	$3,$3,$2
sll	$4,$4,$5
j	$L28
or	$16,$4,$3

$L45:
addiu	$2,$2,%lo(bitmask)
sll	$3,$8,2
addu	$3,$3,$2
lw	$6,0($3)
lw	$4,0($17)
subu	$5,$7,$8
lw	$3,4($17)
and	$4,$4,$6
subu	$2,$0,$5
srl	$3,$3,$2
sll	$4,$4,$5
j	$L47
or	$16,$4,$3

$L50:
move	$4,$17
jal	faad_flushbits_ex
move	$5,$7

j	$L55
sw	$16,0($18)

$L39:
move	$4,$17
jal	faad_flushbits_ex
li	$5,32			# 0x20

j	$L54
sw	$16,0($18)

$L30:
move	$5,$7
jal	faad_flushbits_ex
move	$4,$17

j	$L56
sw	$16,4($18)

.set	macro
.set	reorder
.end	read_segment
.section	.text.reordered_spectral_data,"ax",@progbits
.align	2
.align	5
.globl	reordered_spectral_data
.ent	reordered_spectral_data
.type	reordered_spectral_data, @function
reordered_spectral_data:
.frame	$sp,14536,$31		# vars= 14480, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-14536
sw	$31,14532($sp)
sw	$fp,14528($sp)
sw	$23,14524($sp)
sw	$22,14520($sp)
sw	$21,14516($sp)
sw	$20,14512($sp)
sw	$19,14508($sp)
sw	$18,14504($sp)
sw	$17,14500($sp)
sw	$16,14496($sp)
lhu	$2,8($4)
lhu	$3,10436($5)
move	$10,$4
sw	$5,14540($sp)
sw	$3,14392($sp)
sw	$6,14544($sp)
sw	$7,14548($sp)
beq	$3,$0,$L58
srl	$9,$2,3

lbu	$2,10438($5)
beq	$2,$0,$L60
nop

sltu	$2,$3,$2
bne	$2,$0,$L166
li	$2,10			# 0xa

lbu	$8,2($5)
sltu	$2,$8,2
bne	$2,$0,$L63
sh	$0,16($sp)

li	$7,1			# 0x1
addiu	$22,$sp,16
$L65:
lw	$4,14540($sp)
addiu	$3,$7,-1
sll	$2,$3,1
addu	$3,$4,$3
lbu	$4,5($3)
addu	$2,$2,$22
mul	$3,$9,$4
lhu	$5,0($2)
addiu	$6,$7,1
sll	$2,$7,1
addu	$4,$3,$5
addu	$2,$2,$22
andi	$7,$6,0xffff
bne	$8,$7,$L65
sh	$4,0($2)

$L63:
lbu	$2,5($10)
beq	$2,$0,$L66
li	$5,6			# 0x6

lui	$2,%hi(PreSortCB_ER)
addiu	$2,$2,%lo(PreSortCB_ER)
li	$4,22			# 0x16
sw	$2,14388($sp)
sw	$4,14376($sp)
$L68:
lw	$9,14540($sp)
move	$20,$0
lbu	$6,0($9)
move	$8,$0
sw	$0,14416($sp)
move	$7,$0
sw	$0,14368($sp)
move	$3,$0
$L69:
lw	$4,14388($sp)
addu	$2,$4,$3
beq	$6,$0,$L70
lbu	$2,0($2)

andi	$2,$2,0x00ff
sw	$2,14380($sp)
sw	$0,14396($sp)
$L72:
lw	$9,14396($sp)
lw	$3,14396($sp)
addiu	$9,$9,1
lw	$5,14540($sp)
sll	$2,$9,1
sll	$3,$3,1
addu	$4,$2,$5
addu	$5,$3,$5
sw	$2,14476($sp)
sw	$3,14448($sp)
lhu	$2,1936($4)
lhu	$3,1936($5)
subu	$2,$2,$3
blez	$2,$L135
sw	$9,14444($sp)

sw	$0,14400($sp)
sw	$0,14424($sp)
$L136:
lw	$3,14540($sp)
lbu	$2,2($3)
beq	$2,$0,$L187
lw	$4,14540($sp)

sw	$0,14408($sp)
$L133:
lw	$5,14408($sp)
lw	$6,14540($sp)
addu	$5,$5,$6
sw	$5,14440($sp)
lbu	$2,7800($5)
beq	$2,$0,$L131
lw	$9,14408($sp)

lw	$2,14408($sp)
sll	$9,$9,3
sll	$2,$2,7
move	$19,$0
sw	$9,14456($sp)
sw	$2,14468($sp)
lw	$5,14468($sp)
$L191:
lw	$6,14456($sp)
lw	$9,14540($sp)
subu	$4,$5,$6
addu	$2,$4,$19
sll	$2,$2,1
addu	$2,$2,$9
lhu	$3,3000($2)
lw	$5,14396($sp)
sltu	$3,$5,$3
bne	$3,$0,$L74
nop

lhu	$2,4920($2)
sltu	$2,$5,$2
beq	$2,$0,$L74
addu	$2,$4,$9

addu	$2,$2,$19
lbu	$2,2040($2)
andi	$22,$2,0x00ff
sw	$2,14432($sp)
addiu	$2,$22,-1
andi	$2,$2,0x00ff
sltu	$2,$2,11
bne	$2,$0,$L188
lw	$6,14380($sp)

addiu	$2,$22,-16
andi	$2,$2,0x00ff
sltu	$2,$2,16
beq	$2,$0,$L74
nop

$L188:
sltu	$2,$6,11
beq	$2,$0,$L79
nop

beq	$6,$22,$L189
lw	$2,14440($sp)

addiu	$2,$6,1
xor	$2,$22,$2
sltu	$2,$2,1
$L83:
beq	$2,$0,$L190
lw	$9,14440($sp)

lw	$2,14440($sp)
$L189:
lw	$4,14432($sp)
lbu	$5,5($2)
sltu	$3,$4,5
li	$2,2			# 0x2
li	$6,4			# 0x4
movz	$6,$2,$3
sll	$5,$5,2
div	$0,$5,$6
teq	$6,$0,7
lui	$2,%hi(maxCwLen)
addiu	$2,$2,%lo(maxCwLen)
addu	$2,$4,$2
sw	$6,14372($sp)
lw	$4,14468($sp)
lw	$6,14456($sp)
lw	$9,14396($sp)
subu	$3,$4,$6
lbu	$6,0($2)
lw	$2,14540($sp)
addu	$4,$3,$9
lbu	$2,10438($2)
lw	$9,14444($sp)
sw	$2,14480($sp)
addu	$3,$3,$9
lw	$2,14540($sp)
lw	$9,14480($sp)
sll	$3,$3,1
sll	$4,$4,1
addu	$3,$3,$2
addu	$4,$4,$2
sltu	$2,$6,$9
movn	$9,$6,$2
sw	$9,14480($sp)
lhu	$3,16($3)
mflo	$5
andi	$5,$5,0xffff
beq	$5,$0,$L74
lhu	$2,16($4)

lw	$6,14424($sp)
subu	$2,$3,$2
mul	$fp,$5,$6
andi	$2,$2,0xffff
slt	$3,$fp,$2
beq	$3,$0,$L74
sw	$2,14420($sp)

lw	$9,14408($sp)
addiu	$3,$sp,16
sll	$2,$9,1
addu	$2,$2,$3
lhu	$2,0($2)
addu	$5,$5,$8
sw	$4,14436($sp)
move	$18,$8
move	$4,$fp
move	$23,$0
sw	$2,14428($sp)
j	$L91
sw	$5,14460($sp)

$L179:
lw	$6,14480($sp)
lw	$9,14392($sp)
addu	$17,$7,$6
slt	$2,$9,$17
beq	$2,$0,$L177
sltu	$2,$7,$9

bne	$2,$0,$L178
lw	$2,14416($sp)

$L99:
lw	$7,14392($sp)
li	$20,1			# 0x1
sh	$21,6178($sp)
sb	$22,6176($sp)
sb	$0,6177($sp)
sb	$0,6188($sp)
$L98:
lw	$5,14460($sp)
addiu	$2,$18,1
addiu	$4,$23,1
andi	$18,$2,0xffff
andi	$3,$5,0xffff
beq	$18,$3,$L129
andi	$23,$4,0xffff

$L180:
lw	$6,14420($sp)
addu	$4,$23,$fp
slt	$2,$4,$6
beq	$2,$0,$L74
move	$8,$18

$L91:
lw	$5,14436($sp)
lhu	$3,16($5)
lw	$5,14428($sp)
mtlo	$5
lw	$5,14372($sp)
madd	$5,$4
mflo	$2
addu	$2,$2,$3
beq	$20,$0,$L179
andi	$21,$2,0xffff

lw	$3,14416($sp)
addiu	$4,$23,1
subu	$2,$18,$3
andi	$2,$2,0xffff
sll	$2,$2,4
addiu	$3,$sp,6176
addu	$3,$3,$2