ps_dec.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 4,461 行 · 第 1/5 页

.file	1 "ps_dec.c"
.section .mdebug.abi32
.previous
.section	.text.map20indexto34,"ax",@progbits
.align	2
.align	5
.ent	map20indexto34
.type	map20indexto34, @function
map20indexto34:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

move	$7,$4
lb	$3,1($7)
lb	$4,0($4)
andi	$5,$5,0x00ff
addu	$3,$4,$3
srl	$2,$3,31
addu	$2,$2,$3
sra	$2,$2,1
sll	$6,$2,24
sra	$6,$6,24
sll	$3,$6,24
sra	$3,$3,24
addu	$3,$3,$6
srl	$2,$3,31
addu	$2,$2,$3
sra	$3,$2,1
li	$2,34			# 0x22
sb	$6,2($7)
sb	$4,0($7)
sb	$6,1($7)
sb	$6,3($7)
sb	$3,4($7)
sb	$6,5($7)
sb	$3,6($7)
sb	$3,7($7)
sb	$6,8($7)
sb	$6,9($7)
sb	$3,10($7)
sb	$3,11($7)
sb	$6,12($7)
sb	$6,13($7)
sb	$6,14($7)
sb	$6,15($7)
beq	$5,$2,$L6
sb	$3,16($7)

j	$31
nop

$L6:
sb	$3,27($7)
sb	$3,17($7)
sb	$6,18($7)
sb	$6,19($7)
sb	$6,20($7)
sb	$6,21($7)
sb	$6,22($7)
sb	$6,23($7)
sb	$3,24($7)
sb	$3,25($7)
sb	$3,26($7)
sb	$6,28($7)
sb	$6,29($7)
sb	$6,30($7)
sb	$6,33($7)
sb	$6,31($7)
j	$31
sb	$6,32($7)

.set	macro
.set	reorder
.end	map20indexto34
.section	.text.ps_sqrt,"ax",@progbits
.align	2
.align	5
.ent	ps_sqrt
.type	ps_sqrt, @function
ps_sqrt:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

li	$2,1073676288			# 0x3fff0000
ori	$2,$2,0xffff
slt	$2,$2,$4
bne	$2,$0,$L10
move	$5,$4

move	$3,$0
li	$2,268435456			# 0x10000000
move	$6,$0
$L12:
slt	$2,$5,$2
bne	$2,$0,$L60
li	$7,67108864			# 0x4000000

subu	$2,$5,$3
li	$4,268435456			# 0x10000000
li	$3,-268435456			# 0xfffffffff0000000
addu	$5,$2,$3
or	$6,$6,$4
$L60:
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L15
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L17:
li	$7,16777216			# 0x1000000
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L18
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L20:
li	$7,4194304			# 0x400000
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L21
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L23:
li	$7,1048576			# 0x100000
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L24
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L26:
li	$7,262144			# 0x40000
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L27
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L29:
li	$7,65536			# 0x10000
addu	$2,$6,$7
slt	$2,$5,$2
bne	$2,$0,$L30
subu	$3,$5,$6

sra	$2,$6,1
or	$6,$2,$7
subu	$5,$3,$7
$L32:
addiu	$2,$6,16384
slt	$2,$5,$2
bne	$2,$0,$L35
sra	$3,$6,1

subu	$2,$5,$6
addiu	$5,$2,-16384
ori	$3,$3,0x4000
$L35:
addiu	$2,$3,4096
slt	$2,$5,$2
bne	$2,$0,$L36
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-4096
ori	$3,$3,0x1000
$L38:
addiu	$2,$3,1024
slt	$2,$5,$2
bne	$2,$0,$L39
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-1024
ori	$3,$3,0x400
$L41:
addiu	$2,$3,256
slt	$2,$5,$2
bne	$2,$0,$L42
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-256
ori	$3,$3,0x100
$L44:
addiu	$2,$3,64
slt	$2,$5,$2
bne	$2,$0,$L45
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-64
ori	$3,$3,0x40
$L47:
addiu	$2,$3,16
slt	$2,$5,$2
bne	$2,$0,$L48
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-16
ori	$3,$3,0x10
$L50:
addiu	$2,$3,4
slt	$2,$5,$2
bne	$2,$0,$L51
subu	$2,$5,$3

sra	$3,$3,1
addiu	$5,$2,-4
ori	$3,$3,0x4
$L53:
addiu	$2,$3,1
slt	$2,$5,$2
bne	$2,$0,$L54
nop

subu	$2,$5,$3
sra	$3,$3,1
addiu	$5,$2,-1
ori	$3,$3,0x1
slt	$2,$3,$5
addu	$3,$2,$3
j	$31
sll	$2,$3,7

$L10:
li	$2,-1073741824			# 0xffffffffc0000000
addu	$5,$4,$2
li	$3,1073741824			# 0x40000000
li	$2,1342177280			# 0x50000000
j	$L12
li	$6,536870912			# 0x20000000

$L54:
sra	$3,$3,1
slt	$2,$3,$5
addu	$3,$2,$3
j	$31
sll	$2,$3,7

$L51:
j	$L53
sra	$3,$3,1

$L48:
j	$L50
sra	$3,$3,1

$L45:
j	$L47
sra	$3,$3,1

$L42:
j	$L44
sra	$3,$3,1

$L39:
j	$L41
sra	$3,$3,1

$L36:
j	$L38
sra	$3,$3,1

$L30:
j	$L32
sra	$6,$6,1

$L27:
j	$L29
sra	$6,$6,1

$L24:
j	$L26
sra	$6,$6,1

$L21:
j	$L23
sra	$6,$6,1

$L18:
j	$L20
sra	$6,$6,1

$L15:
j	$L17
sra	$6,$6,1

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

addiu	$sp,$sp,-32
sw	$18,24($sp)
sw	$31,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$17,720($4)
move	$18,$4
lw	$4,12($17)
beq	$4,$0,$L62
nop

jal	faad_free
nop

$L62:
lw	$4,16($17)
lw	$2,0($4)
beq	$2,$0,$L64
nop

jal	faad_free
move	$4,$2

lw	$4,16($17)
$L64:
lw	$2,4($4)
beq	$2,$0,$L66
nop

jal	faad_free
move	$4,$2

lw	$4,16($17)
$L66:
lw	$2,8($4)
beq	$2,$0,$L68
nop

jal	faad_free
move	$4,$2

lw	$4,16($17)
$L68:
lw	$2,12($4)
beq	$2,$0,$L70
nop

jal	faad_free
move	$4,$2

lw	$4,16($17)
$L70:
lw	$2,16($4)
beq	$2,$0,$L72
nop

jal	faad_free
move	$4,$2

lw	$4,16($17)
$L72:
beq	$4,$0,$L74
nop

jal	faad_free
nop

$L74:
lbu	$6,0($17)
beq	$6,$0,$L84
move	$16,$0

lw	$5,20($17)
sll	$2,$16,2
$L86:
addu	$2,$2,$5
lw	$3,0($2)
beq	$3,$0,$L79
move	$4,$3

jal	faad_free
nop

lbu	$6,0($17)
lw	$5,20($17)
$L79:
addiu	$2,$16,1
andi	$16,$2,0x00ff
sltu	$3,$16,$6
bne	$3,$0,$L86
sll	$2,$16,2

$L76:
beq	$5,$0,$L87
move	$4,$18

jal	faad_free
move	$4,$5

move	$4,$18
$L87:
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	faad_free
addiu	$sp,$sp,32

$L84:
j	$L76
lw	$5,20($17)

.set	macro
.set	reorder
.end	ps_free
.section	.text.hybrid_analysis,"ax",@progbits
.align	2
.align	5
.ent	hybrid_analysis
.type	hybrid_analysis, @function
hybrid_analysis:
.frame	$sp,1728,$31		# vars= 1672, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-1728
andi	$7,$7,0x00ff
sw	$31,1724($sp)
sw	$fp,1720($sp)
sw	$23,1716($sp)
sw	$22,1712($sp)
sw	$21,1708($sp)
sw	$20,1704($sp)
sw	$19,1700($sp)
sw	$18,1696($sp)
sw	$17,1692($sp)
sw	$16,1688($sp)
sw	$7,484($sp)
sw	$4,1728($sp)
sw	$5,1732($sp)
.set	noreorder
.set	nomacro
beq	$7,$0,$L89
sw	$6,1736($sp)
.set	macro
.set	reorder

addiu	$2,$4,4
li	$3,5			# 0x5
sw	$2,468($sp)
sw	$3,472($sp)
$L91:
lw	$4,1728($sp)
move	$17,$0
lw	$7,12($4)
lw	$9,16($4)
sll	$16,$17,2
addu	$2,$9,$16
andi	$3,$7,0x3
sw	$0,476($sp)
sw	$0,288($sp)
.set	noreorder
.set	nomacro
bne	$3,$0,$L93
lw	$5,0($2)
.set	macro
.set	reorder

$L154:
andi	$2,$5,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L156
move	$4,$7
.set	macro
.set	reorder

addiu	$3,$7,-4
addiu	$4,$7,92
sltu	$2,$3,$4
.set	noreorder
.set	nomacro
beq	$2,$0,$L96
addiu	$5,$5,-4
.set	macro
.set	reorder

$L98:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000011000000000010001010101	#S32SDI XR1,$3,4
.word	0b01110000011000000000010010010101	#S32SDI XR2,$3,4
.word	0b01110000011000000000010011010101	#S32SDI XR3,$3,4
.word	0b01110000011000000000010100010101	#S32SDI XR4,$3,4
.word	0b01110000011000000000010101010101	#S32SDI XR5,$3,4
.word	0b01110000011000000000010110010101	#S32SDI XR6,$3,4
.word	0b01110000011000000000010111010101	#S32SDI XR7,$3,4
.word	0b01110000011000000000011000010101	#S32SDI XR8,$3,4
#NO_APP
sltu	$2,$3,$4
bne	$2,$0,$L98
lw	$5,1728($sp)
lw	$7,12($5)
lw	$9,16($5)
$L96:
lw	$8,1728($sp)
lbu	$8,0($8)
.set	noreorder
.set	nomacro
beq	$8,$0,$L99
sw	$8,1640($sp)
.set	macro
.set	reorder

lw	$10,1732($sp)
move	$6,$0
sll	$8,$17,3
$L101:
sll	$2,$6,9
addu	$2,$2,$10
addiu	$2,$2,3072
addu	$2,$8,$2
lw	$4,0($2)
sll	$3,$6,3
addu	$3,$7,$3
sw	$4,96($3)
lw	$5,4($2)
lw	$11,1728($sp)
sw	$5,100($3)
lbu	$11,0($11)
addiu	$4,$6,1
andi	$6,$4,0x00ff
sltu	$2,$6,$11
.set	noreorder
.set	nomacro
bne	$2,$0,$L101
sw	$11,1640($sp)
.set	macro
.set	reorder

$L99:
addu	$2,$16,$9
lw	$4,0($2)
lw	$12,1640($sp)
andi	$2,$4,0x3
sll	$3,$12,3
.set	noreorder
.set	nomacro
bne	$2,$0,$L102
addu	$5,$3,$7
.set	macro
.set	reorder

andi	$2,$5,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L102
addiu	$6,$4,92
.set	macro
.set	reorder

addiu	$4,$4,-4
sltu	$2,$4,$6
.set	noreorder
.set	nomacro
beq	$2,$0,$L157
lw	$15,468($sp)
.set	macro
.set	reorder

addiu	$3,$5,-4
$L107:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000011000000000010010010100	#S32LDI XR2,$3,4
.word	0b01110000011000000000010011010100	#S32LDI XR3,$3,4
.word	0b01110000011000000000010100010100	#S32LDI XR4,$3,4
.word	0b01110000011000000000010101010100	#S32LDI XR5,$3,4
.word	0b01110000011000000000010110010100	#S32LDI XR6,$3,4
.word	0b01110000011000000000010111010100	#S32LDI XR7,$3,4
.word	0b01110000011000000000011000010100	#S32LDI XR8,$3,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$6
.set	noreorder
.set	nomacro
bne	$2,$0,$L107
lw	$13,1728($sp)
.set	macro
.set	reorder

lbu	$13,0($13)
sw	$13,1640($sp)
lw	$15,468($sp)
$L157:
li	$2,4			# 0x4
addu	$17,$15,$17
sw	$17,480($sp)
lbu	$4,0($17)
.set	noreorder
.set	nomacro
beq	$4,$2,$L110
sltu	$2,$4,5
.set	macro
.set	reorder

$L160:
.set	noreorder
.set	nomacro
beq	$2,$0,$L113
li	$2,8			# 0x8
.set	macro
.set	reorder

li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$4,$2,$L153
lw	$16,1728($sp)
.set	macro
.set	reorder

$L108:
lw	$2,1640($sp)
$L161:
.set	noreorder
.set	nomacro
beq	$2,$0,$L158
lw	$12,288($sp)
.set	macro
.set	reorder

move	$9,$0
$L126:
.set	noreorder
.set	nomacro
beq	$4,$0,$L128
lw	$10,1728($sp)
.set	macro
.set	reorder

lw	$11,1736($sp)
lw	$10,20($10)
sll	$2,$9,8
sw	$10,1644($sp)
addu	$8,$11,$2
sll	$7,$9,2
move	$6,$0
lw	$3,1644($sp)
$L159:
lw	$5,476($sp)
addu	$2,$3,$7
lw	$4,0($2)
sll	$3,$6,3
addu	$4,$4,$3
addu	$2,$6,$5
lw	$3,0($4)
sll	$2,$2,3
addu	$2,$2,$8
sw	$3,0($2)
lw	$5,4($4)
addiu	$3,$6,1
lw	$6,480($sp)
sw	$5,4($2)
lbu	$4,0($6)
andi	$6,$3,0x00ff
sltu	$2,$6,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L159
lw	$3,1644($sp)
.set	macro
.set	reorder

lw	$7,1728($sp)
lbu	$7,0($7)
sw	$7,1640($sp)
$L128:
addiu	$2,$9,1
lw	$8,1640($sp)
andi	$9,$2,0x00ff
sltu	$3,$9,$8
.set	noreorder
.set	nomacro
bne	$3,$0,$L126
lw	$12,288($sp)
.set	macro
.set	reorder

$L158:
lw	$13,472($sp)
addiu	$12,$12,1
andi	$17,$12,0x00ff
sltu	$2,$17,$13
.set	noreorder
.set	nomacro
beq	$2,$0,$L130
sw	$12,288($sp)
.set	macro
.set	reorder

lw	$14,476($sp)
sll	$16,$17,2
addu	$2,$4,$14
lw	$4,1728($sp)
andi	$2,$2,0x00ff
lw	$7,12($4)
lw	$9,16($4)
sw	$2,476($sp)
andi	$3,$7,0x3
addu	$2,$9,$16
.set	noreorder
.set	nomacro
beq	$3,$0,$L154
lw	$5,0($2)
.set	macro
.set	reorder

$L93:
move	$4,$7
$L156:
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,96			# 0x60
.set	macro
.set	reorder

lw	$6,1728($sp)
lw	$7,12($6)
.set	noreorder
.set	nomacro
j	$L96
lw	$9,16($6)
.set	macro
.set	reorder

$L102:
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,96			# 0x60
.set	macro
.set	reorder

lw	$14,1728($sp)
lw	$15,468($sp)
lbu	$14,0($14)
addu	$17,$15,$17
sw	$14,1640($sp)
sw	$17,480($sp)
lbu	$4,0($17)
li	$2,4			# 0x4
.set	noreorder
.set	nomacro
bne	$4,$2,$L160
sltu	$2,$4,5
.set	macro
.set	reorder

$L110:
lw	$6,1728($sp)
lw	$7,1728($sp)
lw	$6,12($6)
lw	$7,20($7)
lw	$8,1640($sp)
sw	$6,452($sp)
.set	noreorder
.set	nomacro
beq	$8,$0,$L108
sw	$7,1644($sp)
.set	macro
.set	reorder

sw	$0,456($sp)
$L117:
lw	$9,456($sp)
lw	$10,452($sp)
sll	$2,$9,3
addu	$fp,$10,$2
lw	$2,72($fp)
lw	$8,24($fp)
lw	$3,88($fp)
lw	$6,8($fp)
subu	$12,$8,$2
addu	$8,$8,$2
li	$2,-104660992			# 0xfffffffff9c30000
subu	$10,$6,$3
ori	$2,$2,0xb519
addu	$6,$6,$3
mult	$6,$2
li	$2,166985728			# 0x9f40000
ori	$2,$2,0xeea8
lw	$9,40($fp)
lw	$4,56($fp)
mflo	$6
mfhi	$7
mult	$8,$2
li	$2,-104660992			# 0xfffffffff9c30000
ori	$2,$2,0xb519
lw	$11,12($fp)
lw	$5,92($fp)
subu	$3,$9,$4
addu	$16,$9,$4
mflo	$8
mfhi	$9
li	$4,166985728			# 0x9f40000
mult	$10,$2
ori	$4,$4,0xeea8
lw	$13,28($fp)
lw	$14,76($fp)
addu	$18,$11,$5
subu	$20,$11,$5
mflo	$10
mfhi	$11
li	$24,499908608			# 0x1dcc0000
mult	$12,$4
ori	$24,$24,0x57eb
addu	$19,$13,$14
subu	$2,$13,$14
mflo	$12
mfhi	$13
li	$4,-104660992			# 0xfffffffff9c30000
mult	$16,$24
ori	$4,$4,0xb519
mflo	$24
mfhi	$25
mult	$20,$4
li	$20,166985728			# 0x9f40000
ori	$20,$20,0xeea8
lw	$21,44($fp)
lw	$15,60($fp)
sw	$24,512($sp)
mflo	$4
mfhi	$5
li	$24,499908608			# 0x1dcc0000
mult	$2,$20
ori	$24,$24,0x57eb
addu	$17,$21,$15
subu	$14,$21,$15
mflo	$20
mfhi	$21
li	$2,-104660992			# 0xfffffffff9c30000
mult	$3,$24
ori	$2,$2,0xb519
sw	$20,576($sp)
mflo	$24
sw	$25,516($sp)
li	$20,166985728			# 0x9f40000
mfhi	$25
mult	$18,$2
ori	$20,$20,0xeea8
mflo	$2
mfhi	$3
mult	$19,$20
li	$15,1073741824			# 0x40000000