s3tc.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 465 行

.file	1 "s3tc.c"
.section .mdebug.abi32
.previous
.section	.text.ff_decode_dxt3,"ax",@progbits
.align	2
.align	5
.globl	ff_decode_dxt3
.ent	ff_decode_dxt3
.type	ff_decode_dxt3, @function
ff_decode_dxt3:
.frame	$sp,72,$31		# vars= 32, regs= 9/0, args= 0, gp= 0
.mask	0x40ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
lw	$3,88($sp)
srl	$7,$7,2
sw	$fp,64($sp)
sw	$23,60($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$20,48($sp)
sw	$19,44($sp)
sw	$18,40($sp)
sw	$17,36($sp)
sw	$16,32($sp)
sw	$7,24($sp)
sw	$4,72($sp)
beq	$7,$0,$L13
srl	$2,$3,2

subu	$3,$3,$6
sll	$3,$3,2
sw	$5,16($sp)
sll	$22,$2,2
sw	$3,28($sp)
srl	$fp,$6,2
sw	$0,20($sp)
$L4:
beq	$fp,$0,$L18
lw	$4,20($sp)

lw	$20,72($sp)
lw	$21,16($sp)
move	$23,$0
$L6:
lhu	$16,10($20)
lhu	$15,8($20)
sll	$2,$16,8
sll	$17,$16,3
sll	$3,$15,8
sll	$18,$15,3
or	$17,$17,$2
li	$2,16252928			# 0xf80000
ori	$2,$2,0xf8
or	$18,$18,$3
sll	$15,$15,5
and	$17,$17,$2
and	$18,$18,$2
andi	$15,$15,0xfc00
sll	$16,$16,5
li	$6,458752			# 0x70000
ori	$6,$6,0x7
andi	$16,$16,0xfc00
srl	$2,$18,5
srl	$3,$17,5
srl	$4,$15,6
and	$2,$2,$6
and	$3,$3,$6
srl	$5,$16,6
andi	$4,$4,0x300
addu	$15,$15,$4
addu	$18,$18,$2
addu	$17,$17,$3
andi	$5,$5,0x300
addu	$16,$16,$5
sll	$6,$18,1
sll	$7,$15,1
sll	$4,$17,1
addu	$6,$17,$6
addu	$7,$16,$7
addu	$4,$18,$4
sll	$11,$4,4
sll	$9,$6,4
sll	$8,$7,4
sll	$5,$16,1
sll	$14,$4,2
sll	$12,$6,2
sll	$2,$7,2
addu	$5,$15,$5
addu	$14,$14,$11
addu	$12,$12,$9
addu	$2,$2,$8
sll	$10,$5,4
sll	$3,$5,2
addu	$14,$14,$4
addu	$12,$12,$6
addu	$2,$2,$7
li	$4,16711680			# 0xff0000
ori	$4,$4,0xff
addu	$3,$3,$10
srl	$12,$12,6
srl	$2,$2,6
addu	$3,$3,$5
and	$12,$12,$4
andi	$2,$2,0xff00
lbu	$6,7($20)
addu	$12,$12,$2
srl	$14,$14,6
lbu	$2,6($20)
srl	$3,$3,6
lbu	$8,1($20)
and	$14,$14,$4
andi	$3,$3,0xff00
lbu	$4,3($20)
addu	$14,$14,$3
sll	$7,$6,24
sll	$3,$2,16
move	$6,$0
move	$2,$0
srl	$13,$4,8
or	$6,$6,$2
sll	$4,$4,24
srl	$2,$8,24
move	$9,$0
or	$6,$6,$4
or	$9,$2,$9
lbu	$4,4($20)
lbu	$2,5($20)
move	$5,$0
lbu	$10,2($20)
or	$7,$7,$3
or	$5,$13,$5
or	$7,$7,$5
sll	$8,$8,8
sll	$3,$2,8
move	$5,$4
move	$2,$0
move	$4,$0
or	$6,$6,$8
or	$2,$2,$4
srl	$8,$10,16
lbu	$4,0($20)
move	$11,$0
sll	$10,$10,16
or	$11,$8,$11
or	$3,$3,$5
or	$2,$2,$10
addu	$18,$18,$15
addu	$17,$17,$16
or	$7,$7,$9
or	$3,$3,$11
or	$2,$2,$4
lw	$19,12($20)
or	$24,$6,$2
or	$25,$7,$3
move	$15,$21
move	$16,$0
sw	$18,0($sp)
sw	$17,4($sp)
sw	$14,12($sp)
sw	$12,8($sp)
$L7:
sll	$2,$25,28
srl	$8,$19,2
srl	$4,$24,4
srl	$5,$25,4
or	$4,$2,$4
andi	$8,$8,0xc
andi	$7,$19,0x3
srl	$9,$19,4
addu	$8,$8,$sp
sll	$6,$5,28
srl	$2,$4,4
lw	$13,0($8)
andi	$10,$19,0xc
or	$2,$6,$2
srl	$3,$5,4
sll	$7,$7,2
andi	$9,$9,0xc
addu	$7,$7,$sp
addu	$10,$10,$sp
addu	$9,$9,$sp
sll	$8,$3,28
srl	$6,$2,4
sll	$2,$2,28
lw	$11,0($7)
lw	$12,0($10)
or	$6,$8,$6
lw	$10,0($9)
addu	$13,$2,$13
srl	$2,$2,4
sll	$8,$24,28
srl	$7,$3,4
sll	$4,$4,28
sll	$9,$6,28
addu	$2,$2,$13
addu	$11,$8,$11
addu	$12,$4,$12
addu	$10,$9,$10
sw	$2,8($15)
srl	$8,$8,4
sll	$2,$7,28
srl	$4,$4,4
srl	$9,$9,4
srl	$24,$6,4
addu	$8,$8,$11
addu	$4,$4,$12
addu	$9,$9,$10
or	$24,$2,$24
addiu	$16,$16,1
li	$2,4			# 0x4
sw	$8,0($15)
sw	$4,4($15)
sw	$9,12($15)
srl	$19,$19,8
addu	$15,$15,$22
bne	$16,$2,$L7
srl	$25,$7,4

addiu	$23,$23,1
addiu	$20,$20,16
bne	$fp,$23,$L6
addiu	$21,$21,16

lw	$6,72($sp)
lw	$3,16($sp)
sll	$2,$fp,4
addu	$6,$6,$2
addu	$3,$3,$2
sw	$6,72($sp)
sw	$3,16($sp)
lw	$4,20($sp)
$L18:
lw	$6,24($sp)
addiu	$4,$4,1
beq	$4,$6,$L13
sw	$4,20($sp)

lw	$2,16($sp)
lw	$3,28($sp)
addu	$2,$2,$3
j	$L4
sw	$2,16($sp)

$L13:
lw	$fp,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,72

.set	macro
.set	reorder
.end	ff_decode_dxt3
.section	.text.ff_decode_dxt1,"ax",@progbits
.align	2
.align	5
.globl	ff_decode_dxt1
.ent	ff_decode_dxt1
.type	ff_decode_dxt1, @function
ff_decode_dxt1:
.frame	$sp,56,$31		# vars= 16, regs= 9/0, args= 0, gp= 0
.mask	0x40ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
lw	$3,72($sp)
sw	$23,44($sp)
srl	$23,$7,2
sw	$21,36($sp)
sw	$fp,48($sp)
sw	$22,40($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
move	$21,$4
beq	$23,$0,$L34
srl	$2,$3,2

subu	$3,$3,$6
sll	$25,$2,2
li	$2,16252928			# 0xf80000
sll	$fp,$3,2
ori	$20,$2,0xf8
li	$3,458752			# 0x70000
li	$2,16711680			# 0xff0000
move	$19,$5
ori	$18,$3,0x7
ori	$17,$2,0xff
srl	$16,$6,2
move	$22,$0
$L22:
beq	$16,$0,$L31
nop

move	$14,$21
move	$15,$19
move	$24,$0
$L24:
lhu	$10,0($14)
lhu	$11,2($14)
sll	$3,$10,8
sll	$7,$10,3
sll	$2,$11,8
sll	$6,$11,3
or	$7,$7,$3
or	$6,$6,$2
and	$7,$7,$20
and	$6,$6,$20
sll	$8,$10,5
sll	$9,$11,5
andi	$8,$8,0xfc00
andi	$9,$9,0xfc00
srl	$2,$7,5
srl	$3,$6,5
and	$2,$2,$18
and	$3,$3,$18
srl	$4,$8,6
srl	$5,$9,6
li	$13,-16777216			# 0xffffffffff000000
addu	$7,$7,$2
addu	$12,$6,$3
andi	$4,$4,0x300
andi	$5,$5,0x300
addu	$4,$8,$4
addu	$5,$9,$5
addu	$2,$7,$13
addu	$3,$12,$13
addu	$2,$4,$2
addu	$3,$5,$3
sltu	$10,$11,$10
sw	$2,0($sp)
beq	$10,$0,$L25
sw	$3,4($sp)

sll	$6,$5,1
addu	$6,$4,$6
sll	$8,$12,1
addu	$8,$7,$8
sll	$2,$6,4
sll	$10,$4,1
sll	$4,$6,2
sll	$9,$7,1
addu	$4,$4,$2
sll	$3,$8,2
sll	$2,$8,4
addu	$10,$5,$10
addu	$9,$12,$9
addu	$3,$3,$2
addu	$4,$4,$6
sll	$5,$9,2
sll	$6,$10,4
sll	$7,$9,4
sll	$2,$10,2
addu	$3,$3,$8
srl	$4,$4,6
addu	$2,$2,$6
addu	$5,$5,$7
srl	$3,$3,6
andi	$4,$4,0xff00
addu	$5,$5,$9
addu	$2,$2,$10
addu	$4,$4,$13
and	$3,$3,$17
srl	$5,$5,6
srl	$2,$2,6
addu	$3,$3,$4
and	$5,$5,$17
andi	$6,$2,0xff00
sw	$3,12($sp)
$L27:
li	$2,-16777216			# 0xffffffffff000000
addu	$2,$5,$2
addu	$2,$6,$2
lw	$11,4($14)
move	$12,$15
move	$8,$0
sw	$2,8($sp)
$L28:
srl	$5,$11,4
andi	$3,$11,0x3
srl	$4,$11,2
andi	$2,$11,0xc
andi	$5,$5,0xc
addu	$2,$2,$sp
sll	$3,$3,2
andi	$4,$4,0xc
addu	$5,$5,$sp
lw	$7,0($2)
addu	$3,$3,$sp
lw	$2,0($5)
addu	$4,$4,$sp
lw	$6,0($3)
lw	$3,0($4)
addiu	$8,$8,1
sw	$2,12($12)
li	$2,4			# 0x4
sw	$6,0($12)
sw	$7,4($12)
sw	$3,8($12)
beq	$8,$2,$L38
srl	$11,$11,8

j	$L28
addu	$12,$12,$25

$L38:
addiu	$24,$24,1
addiu	$14,$14,8
bne	$16,$24,$L24
addiu	$15,$15,16

sll	$2,$16,4
sll	$3,$16,3
addu	$19,$19,$2
addu	$21,$21,$3
$L31:
addiu	$22,$22,1
beq	$22,$23,$L34
addu	$19,$19,$fp

j	$L22
nop

$L25:
addu	$3,$4,$5
addu	$2,$7,$12
srl	$2,$2,1
srl	$3,$3,1
and	$5,$2,$17
andi	$6,$3,0xff00
j	$L27
sw	$0,12($sp)

$L34:
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($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,56

.set	macro
.set	reorder
.end	ff_decode_dxt1
.ident	"GCC: (GNU) 4.1.2"