vc1.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 5,152 行 · 第 1/5 页

j	$L517
li	$18,-8			# 0xfffffffffffffff8

$L512:
sll	$3,$3,3
slt	$2,$3,$4
move	$19,$3
movz	$19,$4,$2
move	$9,$19
j	$L514
move	$7,$19

$L412:
slt	$2,$4,$6
beq	$2,$0,$L417
slt	$2,$4,$8

slt	$2,$6,$8
slt	$3,$7,$4
movz	$6,$8,$2
j	$L543
movz	$4,$7,$3

$L533:
move	$4,$8
j	$L535
move	$7,$0

$L534:
addu	$5,$5,$6
addu	$4,$4,$6
$L535:
lbu	$2,0($4)
addiu	$7,$7,1
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,0($4)
lbu	$2,0($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,0($5)
lbu	$2,1($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,1($4)
lbu	$2,1($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,1($5)
lbu	$2,2($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,2($4)
lbu	$2,2($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,2($5)
lbu	$2,3($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,3($4)
lbu	$2,3($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,3($5)
lbu	$2,4($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,4($4)
lbu	$2,4($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,4($5)
lbu	$2,5($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,5($4)
lbu	$2,5($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,5($5)
lbu	$2,6($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,6($4)
lbu	$2,6($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,6($5)
lbu	$2,7($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,7($4)
lbu	$2,7($5)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,7($5)
lbu	$2,8($4)
addu	$2,$2,$17
lbu	$3,9212($2)
sb	$3,8($4)
lbu	$2,8($5)
addu	$2,$2,$17
lbu	$3,9212($2)
li	$2,9			# 0x9
sb	$3,8($5)
bne	$7,$2,$L534
lw	$6,180($17)

j	$L562
lw	$2,9472($17)

$L541:
j	$L524
lw	$3,168($17)

$L553:
beq	$4,$2,$L423
slt	$2,$4,3

bne	$2,$0,$L560
li	$2,4			# 0x4

beq	$4,$2,$L424
li	$2,8			# 0x8

bne	$4,$2,$L565
move	$5,$0

slt	$2,$11,$13
beq	$2,$0,$L472
move	$5,$11

slt	$2,$11,$7
beq	$2,$0,$L474
slt	$2,$7,$13

move	$5,$7
movz	$5,$13,$2
$L474:
lw	$7,56($sp)
lw	$4,60($sp)
slt	$2,$4,$7
beq	$2,$0,$L477
lw	$6,64($sp)

slt	$2,$4,$6
$L564:
beq	$2,$0,$L566
andi	$2,$5,0x3

slt	$2,$7,$6
beq	$2,$0,$L567
andi	$2,$5,0x3

andi	$3,$7,0x3
$L572:
xori	$2,$2,0x3
xori	$3,$3,0x3
sltu	$2,$2,1
sltu	$3,$3,1
addu	$2,$5,$2
addu	$3,$7,$3
sll	$5,$5,16
sll	$6,$7,16
sra	$21,$2,1
sra	$20,$3,1
sra	$5,$5,16
j	$L416
sra	$6,$6,16

$L407:
slt	$4,$13,$8
movz	$7,$11,$2
movz	$8,$13,$4
addu	$3,$7,$8
srl	$2,$3,31
addu	$2,$2,$3
j	$L409
sra	$5,$2,1

$L410:
slt	$4,$11,$8
movz	$7,$13,$2
movz	$8,$11,$4
addu	$3,$7,$8
srl	$2,$3,31
addu	$2,$2,$3
j	$L409
sra	$5,$2,1

$L417:
slt	$3,$7,$6
movz	$4,$8,$2
j	$L543
movz	$6,$7,$3

$L414:
slt	$3,$8,$6
movz	$4,$7,$2
j	$L543
movz	$6,$8,$3

$L519:
sra	$3,$3,1
slt	$2,$3,$4
move	$19,$3
movz	$19,$4,$2
move	$9,$19
j	$L521
move	$7,$19

$L560:
beq	$4,$5,$L561
move	$5,$0

$L565:
move	$6,$0
move	$21,$0
j	$L416
move	$20,$0

$L555:
j	$L506
andi	$3,$21,0x1

$L559:
$L491:
addiu	$4,$6,1
sll	$5,$4,2
addiu	$7,$sp,40
addu	$2,$5,$7
lw	$3,32($2)
bne	$3,$0,$L568
addu	$2,$sp,$5

$L497:
j	$L501
move	$3,$4

$L423:
slt	$2,$7,$13
beq	$2,$0,$L442
move	$5,$7

slt	$2,$7,$8
beq	$2,$0,$L569
lw	$7,56($sp)

slt	$2,$8,$13
move	$5,$8
movz	$5,$13,$2
$L569:
lw	$4,64($sp)
slt	$2,$4,$7
bne	$2,$0,$L564
slt	$2,$4,$6

$L477:
slt	$2,$6,$4
beq	$2,$0,$L566
andi	$2,$5,0x3

slt	$2,$7,$6
bne	$2,$0,$L544
andi	$2,$5,0x3

j	$L572
andi	$3,$7,0x3

$L442:
slt	$2,$8,$7
beq	$2,$0,$L569
lw	$7,56($sp)

slt	$2,$13,$8
move	$5,$8
j	$L569
movz	$5,$13,$2

$L424:
slt	$2,$11,$13
beq	$2,$0,$L457
move	$5,$11

slt	$2,$11,$8
beq	$2,$0,$L570
lw	$7,56($sp)

slt	$2,$8,$13
move	$5,$8
movz	$5,$13,$2
$L570:
lw	$4,60($sp)
slt	$2,$4,$7
beq	$2,$0,$L477
slt	$2,$4,$6

j	$L564
nop

$L561:
slt	$2,$7,$11
beq	$2,$0,$L427
move	$5,$7

slt	$2,$7,$8
beq	$2,$0,$L571
lw	$7,60($sp)

slt	$2,$8,$11
move	$5,$8
movz	$5,$11,$2
$L571:
lw	$4,64($sp)
slt	$2,$4,$7
beq	$2,$0,$L477
slt	$2,$4,$6

j	$L564
nop

$L427:
slt	$2,$8,$7
beq	$2,$0,$L571
lw	$7,60($sp)

slt	$2,$11,$8
move	$5,$8
j	$L571
movz	$5,$11,$2

$L457:
slt	$2,$8,$11
beq	$2,$0,$L570
lw	$7,56($sp)

slt	$2,$13,$8
move	$5,$8
j	$L570
movz	$5,$13,$2

$L472:
slt	$2,$7,$11
beq	$2,$0,$L474
slt	$2,$13,$7

move	$5,$7
j	$L474
movz	$5,$13,$2

$L494:
j	$L491
li	$6,2			# 0x2

.set	macro
.set	reorder
.end	vc1_mc_4mv_chroma
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"invalid NORM-6 VLC\012\000"
.section	.text.bitplane_decoding,"ax",@progbits
.align	2
.align	5
.ent	bitplane_decoding
.type	bitplane_decoding, @function
bitplane_decoding:
.frame	$sp,88,$31		# vars= 32, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-88
sw	$21,68($sp)
sw	$16,48($sp)
sw	$31,84($sp)
sw	$fp,80($sp)
sw	$23,76($sp)
sw	$22,72($sp)
sw	$20,64($sp)
sw	$19,60($sp)
sw	$18,56($sp)
sw	$17,52($sp)
addiu	$16,$6,8448
lw	$9,8($16)
lw	$3,8448($6)
addiu	$11,$9,1
sra	$2,$9,3
addu	$2,$3,$2
sra	$7,$11,3
lbu	$10,0($2)
addu	$7,$7,$3
lw	$17,144($6)
lw	$20,148($6)
lw	$19,152($6)
sw	$11,8($16)
lbu	$3,0($7)
move	$15,$6
lbu	$6,1($7)
lbu	$8,3($7)
lbu	$2,2($7)
sll	$6,$6,16
sll	$3,$3,24
or	$3,$3,$6
or	$3,$3,$8
sll	$2,$2,8
andi	$6,$11,0x7
or	$2,$2,$3
sll	$2,$2,$6
lui	$3,%hi(ff_vc1_imode_vlc+4)
lw	$6,%lo(ff_vc1_imode_vlc+4)($3)
srl	$2,$2,28
sll	$2,$2,2
addu	$2,$2,$6
lh	$fp,0($2)
lh	$3,2($2)
andi	$9,$9,0x7
sll	$10,$10,$9
andi	$6,$fp,0xffff
addu	$11,$11,$3
andi	$10,$10,0x00ff
sltu	$2,$6,7
sw	$11,8($16)
sw	$4,88($sp)
srl	$21,$10,7
.set	noreorder
.set	nomacro
beq	$2,$0,$L574
sw	$0,0($5)
.set	macro
.set	reorder

lui	$3,%hi($L580)
sll	$2,$6,2
addiu	$3,$3,%lo($L580)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
.rdata
.align	2
.align	2
$L580:
.word	$L575
.word	$L576
.word	$L576
.word	$L577
.word	$L577
.word	$L578
.word	$L579
.section	.text.bitplane_decoding
$L640:
sltu	$2,$8,40
.set	noreorder
.set	nomacro
bne	$2,$0,$L743
move	$4,$6
.set	macro
.set	reorder

andi	$2,$6,0x3
li	$3,4			# 0x4
subu	$3,$3,$2
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$2,$L647
li	$2,3			# 0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L648
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$3,$2,$L758
addiu	$5,$4,-4
.set	macro
.set	reorder

addiu	$4,$6,1
sb	$0,0($6)
$L645:
addiu	$5,$4,-4
$L758:
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$4,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L649
li	$2,-32			# 0xffffffffffffffe0
.set	macro
.set	reorder

and	$2,$5,$2
addiu	$4,$2,32
sltu	$3,$5,$4
beq	$3,$0,$L649
$L718:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$4
bne	$2,$0,$L718
$L649:
addu	$6,$8,$6
addiu	$2,$6,-31
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L759
addiu	$2,$6,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L760:
#APP
pref 30,0($2)
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L760
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$6,-4
$L759:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L761
andi	$4,$6,0x3
.set	macro
.set	reorder

$L720:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L720
andi	$4,$6,0x3
.set	macro
.set	reorder

$L761:
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$4,$2,$L657
addiu	$3,$5,4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$4,$2,$L658
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$4,$2,$L756
li	$2,2			# 0x2
.set	macro
.set	reorder

sb	$0,4($5)
$L574:
li	$2,2			# 0x2
$L756:
beq	$fp,$2,$L693
$L582:
li	$2,4			# 0x4
beq	$fp,$2,$L693
.set	noreorder
.set	nomacro
beq	$21,$0,$L753
sll	$2,$fp,1
.set	macro
.set	reorder

mul	$5,$20,$19
.set	noreorder
.set	nomacro
blez	$5,$L584
addu	$10,$2,$21
.set	macro
.set	reorder

lw	$4,88($sp)
move	$3,$0
$L709:
lbu	$2,0($4)
addiu	$3,$3,1
sltu	$2,$2,1
sb	$2,0($4)
.set	noreorder
.set	nomacro
bne	$3,$5,$L709
addiu	$4,$4,1
.set	macro
.set	reorder

$L698:
sll	$2,$fp,1
$L753:
addu	$10,$2,$21
$L584:
lw	$31,84($sp)
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
move	$2,$10
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,88
.set	macro
.set	reorder

$L693:
lw	$3,88($sp)
slt	$10,$17,2
lbu	$2,0($3)
xor	$2,$21,$2
.set	noreorder
.set	nomacro
bne	$10,$0,$L695
sb	$2,0($3)
.set	macro
.set	reorder

lw	$4,88($sp)
li	$5,1			# 0x1
$L697:
lbu	$2,1($4)
lbu	$3,0($4)
addiu	$5,$5,1
xor	$2,$2,$3
sb	$2,1($4)
.set	noreorder
.set	nomacro
bne	$17,$5,$L697
addiu	$4,$4,1
.set	macro
.set	reorder

$L695:
slt	$2,$20,2
.set	noreorder
.set	nomacro
bne	$2,$0,$L698
li	$9,1			# 0x1
.set	macro
.set	reorder

lw	$5,88($sp)
addu	$4,$19,$5
subu	$8,$4,$19
$L700:
lbu	$2,0($4)
lbu	$3,0($8)
xor	$2,$2,$3
.set	noreorder
.set	nomacro
bne	$10,$0,$L701
sb	$2,0($4)
.set	macro
.set	reorder

move	$3,$4
move	$6,$8
.set	noreorder
.set	nomacro
j	$L703
li	$7,1			# 0x1
.set	macro
.set	reorder

$L744:
lbu	$2,1($3)
addiu	$7,$7,1
xor	$2,$21,$2
sb	$2,1($3)
addiu	$6,$6,1
.set	noreorder
.set	nomacro
beq	$17,$7,$L701
addiu	$3,$3,1
.set	macro
.set	reorder

$L703:
lbu	$2,0($3)
lbu	$5,1($6)
bne	$5,$2,$L744
lbu	$2,1($3)
addiu	$7,$7,1
xor	$2,$5,$2
sb	$2,1($3)
addiu	$6,$6,1
.set	noreorder
.set	nomacro
bne	$17,$7,$L703
addiu	$3,$3,1
.set	macro
.set	reorder

$L701:
addiu	$9,$9,1
addu	$4,$4,$19
.set	noreorder
.set	nomacro
bne	$20,$9,$L700
addu	$8,$8,$19
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L753
sll	$2,$fp,1
.set	macro
.set	reorder

$L575:
li	$2,1			# 0x1
sw	$2,0($5)
move	$10,$21
lw	$31,84($sp)
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
move	$2,$10
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,88
.set	macro
.set	reorder

$L579:
.set	noreorder
.set	nomacro
blez	$17,$L582
lw	$8,88($sp)
.set	macro
.set	reorder

lw	$11,8($16)
lw	$7,0($16)
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$11,$11,1
srl	$3,$3,7
move	$9,$0
.set	noreorder
.set	nomacro
bne	$3,$0,$L685
sw	$11,8($16)
.set	macro
.set	reorder

$L745:
.set	noreorder
.set	nomacro
blez	$20,$L688
move	$2,$8
.set	macro
.set	reorder

move	$3,$0
$L690:
addiu	$3,$3,1
sb	$0,0($2)
.set	noreorder
.set	nomacro
bne	$20,$3,$L690
addu	$2,$2,$19
.set	macro
.set	reorder

$L688:
addiu	$9,$9,1
$L754:
.set	noreorder
.set	nomacro
beq	$17,$9,$L582
addiu	$8,$8,1
.set	macro
.set	reorder

lw	$11,8($16)
lw	$7,0($16)
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$11,$11,1
srl	$3,$3,7
.set	noreorder
.set	nomacro
beq	$3,$0,$L745
sw	$11,8($16)
.set	macro
.set	reorder

$L685:
.set	noreorder
.set	nomacro
blez	$20,$L688
move	$5,$8
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L691
move	$6,$0
.set	macro
.set	reorder

$L715:
lw	$11,8($16)
lw	$7,0($16)
$L691:
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$2,$11,1
srl	$3,$3,7
addiu	$6,$6,1
sw	$2,8($16)
sb	$3,0($5)
.set	noreorder
.set	nomacro
bne	$20,$6,$L715
addu	$5,$5,$19
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L754
addiu	$9,$9,1
.set	macro
.set	reorder

$L578:
.set	noreorder
.set	nomacro
blez	$20,$L582
lw	$2,88($sp)
.set	macro
.set	reorder

lw	$11,8($16)
lw	$7,0($16)
addu	$22,$17,$2
move	$18,$2
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$11,$11,1
srl	$3,$3,7
move	$23,$0
.set	noreorder
.set	nomacro
beq	$3,$0,$L661
sw	$11,8($16)
.set	macro
.set	reorder

$L746:
blez	$17,$L664
.set	noreorder
.set	nomacro
j	$L682
move	$5,$0
.set	macro
.set	reorder

$L714:
lw	$11,8($16)
lw	$7,0($16)
$L682:
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addu	$2,$5,$18
addiu	$11,$11,1
srl	$3,$3,7
addiu	$5,$5,1
sw	$11,8($16)
.set	noreorder
.set	nomacro
bne	$17,$5,$L714
sb	$3,0($2)
.set	macro
.set	reorder

$L664:
addiu	$23,$23,1
$L755:
.set	noreorder
.set	nomacro
beq	$20,$23,$L582
addu	$22,$22,$19
.set	macro
.set	reorder

lw	$11,8($16)
lw	$7,0($16)
sra	$2,$11,3
addu	$2,$7,$2
lbu	$3,0($2)
andi	$4,$11,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$11,$11,1
srl	$3,$3,7
addu	$18,$18,$19
.set	noreorder
.set	nomacro
bne	$3,$0,$L746
sw	$11,8($16)
.set	macro
.set	reorder

$L661:
sltu	$2,$17,40
.set	noreorder
.set	nomacro
bne	$2,$0,$L747
andi	$2,$18,0x3
.set	macro
.set	reorder

li	$3,4			# 0x4
subu	$3,$3,$2
li	$4,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$4,$L669
li	$2,3			# 0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L670
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L668
addiu	$3,$18,1
.set	macro
.set	reorder

move	$3,$18
$L671:
addiu	$5,$3,-4
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$3,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L762
addiu	$2,$22,-31
.set	macro
.set	reorder

li	$2,-32			# 0xffffffffffffffe0