svq1dec.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 4,802 行 · 第 1/5 页

bne	$5,$15,$L74
addiu	$14,$14,4

sll	$2,$15,2
addu	$17,$17,$2
$L83:
lw	$4,280($sp)
addiu	$21,$21,1
beq	$4,$21,$L59
lw	$6,300($sp)

j	$L73
addu	$18,$18,$6

$L59:
lw	$2,296($sp)
lw	$4,320($sp)
lw	$3,288($sp)
addiu	$2,$2,1
sw	$2,296($sp)
addiu	$4,$4,4
slt	$2,$2,$3
beq	$2,$0,$L64
sw	$4,320($sp)

lw	$4,368($sp)
lw	$5,284($sp)
bgtz	$5,$L45
lw	$8,8($4)

lw	$6,316($sp)
$L104:
lw	$4,312($sp)
srl	$2,$6,31
srl	$3,$4,31
addu	$2,$2,$6
addu	$3,$3,$4
li	$5,1			# 0x1
sra	$2,$2,1
sra	$3,$3,1
sll	$3,$5,$3
sll	$11,$5,$2
j	$L50
sw	$3,280($sp)

$L51:
lw	$2,320($sp)
lw	$3,288($sp)
lw	$4,24($2)
lw	$5,284($sp)
sll	$2,$3,2
addu	$2,$2,$sp
lw	$6,376($sp)
sw	$4,24($2)
srl	$3,$5,31
andi	$4,$5,0x1
li	$2,1			# 0x1
movn	$2,$6,$4
addu	$3,$3,$5
lw	$4,320($sp)
lw	$6,288($sp)
sra	$3,$3,1
lw	$5,24($4)
addiu	$3,$3,1
addiu	$4,$6,1
sll	$2,$2,$3
sll	$4,$4,2
addu	$5,$5,$2
lw	$3,320($sp)
lw	$2,296($sp)
addu	$4,$4,$sp
sw	$5,24($4)
lw	$5,284($sp)
addiu	$6,$6,2
addiu	$2,$2,1
addiu	$3,$3,4
sw	$6,288($sp)
sw	$2,296($sp)
j	$L98
sw	$3,320($sp)

$L100:
lw	$5,316($sp)
lw	$6,312($sp)
addiu	$4,$4,-1
addiu	$5,$5,-1
addiu	$6,$6,-1
sw	$4,284($sp)
sw	$5,316($sp)
bne	$4,$0,$L48
sw	$6,312($sp)

lw	$2,288($sp)
li	$3,2			# 0x2
li	$11,4			# 0x4
sw	$2,292($sp)
j	$L50
sw	$3,280($sp)

$L101:
addiu	$7,$8,3
lw	$6,304($sp)
sra	$4,$7,3
addu	$4,$6,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$7,0x7
sll	$2,$2,$4
srl	$2,$2,$9
addu	$2,$2,$13
sll	$2,$2,2
addu	$2,$10,$2
lh	$9,2($2)
j	$L57
lh	$13,0($2)

$L48:
lw	$4,288($sp)
j	$L46
sw	$4,292($sp)

$L103:
addiu	$9,$8,9
lw	$2,304($sp)
sra	$4,$9,3
addu	$4,$2,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$9,0x7
sll	$2,$2,$4
srl	$2,$2,$7
addu	$2,$2,$10
lw	$3,308($sp)
sll	$2,$2,2
addu	$2,$3,$2
subu	$3,$0,$7
lh	$7,2($2)
bgez	$7,$L65
lh	$10,0($2)

addu	$9,$9,$3
lw	$5,304($sp)
sra	$4,$9,3
addu	$4,$5,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$9,0x7
sll	$2,$2,$4
srl	$2,$2,$7
addu	$2,$2,$10
lw	$6,308($sp)
sll	$2,$2,2
addu	$2,$6,$2
lh	$7,2($2)
j	$L65
lh	$10,0($2)

$L102:
slt	$2,$3,4
bne	$2,$0,$L107
lw	$5,304($sp)

li	$2,-1			# 0xffffffffffffffff
$L64:
lw	$fp,360($sp)
lw	$23,356($sp)
lw	$22,352($sp)
lw	$21,348($sp)
lw	$20,344($sp)
lw	$19,340($sp)
lw	$18,336($sp)
lw	$17,332($sp)
lw	$16,328($sp)
j	$31
addiu	$sp,$sp,368

.set	macro
.set	reorder
.end	svq1_decode_block_non_intra
.section	.rodata.cst4
.align	2
$LC3:
.word	-2139062144
.align	2
$LC4:
.word	-16711936
.align	2
$LC5:
.word	16711935
.section	.text.svq1_decode_block_intra,"ax",@progbits
.align	2
.align	5
.ent	svq1_decode_block_intra
.type	svq1_decode_block_intra, @function
svq1_decode_block_intra:
.frame	$sp,376,$31		# vars= 320, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-376
sw	$6,384($sp)
lw	$3,384($sp)
addiu	$6,$6,3
slt	$2,$3,0
movz	$6,$3,$2
li	$2,-16777216			# 0xffffffffff000000
sw	$fp,368($sp)
sw	$23,364($sp)
sw	$22,360($sp)
sw	$21,356($sp)
sw	$17,340($sp)
sw	$31,372($sp)
sw	$20,352($sp)
sw	$19,348($sp)
sw	$18,344($sp)
sw	$16,336($sp)
sra	$6,$6,2
li	$3,16711680			# 0xff0000
ori	$22,$2,0xff00
li	$2,16777216			# 0x1000000
lw	$11,0($4)
sw	$4,376($sp)
ori	$fp,$3,0xff
lw	$7,8($4)
li	$3,65536			# 0x10000
li	$4,1			# 0x1
sll	$23,$6,2
ori	$21,$2,0x100
li	$6,5			# 0x5
addiu	$2,$sp,16
ori	$17,$3,0x1
sw	$0,312($sp)
sw	$4,308($sp)
sw	$4,304($sp)
sw	$6,300($sp)
sw	$2,324($sp)
sw	$5,40($sp)
move	$3,$6
$L218:
.set	noreorder
.set	nomacro
bne	$3,$0,$L234
lw	$3,312($sp)
.set	macro
.set	reorder

$L228:
li	$13,2			# 0x2
li	$15,4			# 0x4
sw	$13,296($sp)
$L116:
sra	$4,$7,3
addu	$4,$11,$4
lbu	$2,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
sll	$5,$5,16
sll	$2,$2,24
lbu	$3,2($4)
or	$2,$2,$5
or	$2,$2,$6
lw	$6,300($sp)
lui	$4,%hi(svq1_intra_multistage)
sll	$3,$3,8
or	$3,$3,$2
addiu	$5,$4,%lo(svq1_intra_multistage)
sll	$2,$6,4
andi	$4,$7,0x7
addu	$2,$2,$5
sll	$3,$3,$4
lw	$10,4($2)
srl	$3,$3,29
sll	$3,$3,2
addu	$3,$10,$3
lw	$2,324($sp)
lh	$8,2($3)
lw	$20,24($2)
move	$9,$7
.set	noreorder
.set	nomacro
bltz	$8,$L219
lh	$14,0($3)
.set	macro
.set	reorder

$L123:
lw	$3,376($sp)
addu	$7,$9,$8
sw	$7,8($3)
move	$9,$7
.set	noreorder
.set	nomacro
beq	$14,$0,$L220
addiu	$16,$14,-1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bgtz	$16,$L221
lw	$4,300($sp)
.set	macro
.set	reorder

sra	$4,$7,3
$L248:
addu	$4,$11,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$7,0x7
sll	$2,$2,$4
lui	$3,%hi(svq1_intra_mean+4)
lw	$10,%lo(svq1_intra_mean+4)($3)
srl	$2,$2,24
sll	$2,$2,2
addu	$2,$10,$2
lh	$8,2($2)
.set	noreorder
.set	nomacro
bltz	$8,$L222
lh	$12,0($2)
.set	macro
.set	reorder

$L152:
lw	$5,376($sp)
addu	$7,$9,$8
.set	noreorder
.set	nomacro
bne	$16,$0,$L155
sw	$7,8($5)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$13,$0,$L128
sltu	$6,$15,40
.set	macro
.set	reorder

andi	$19,$12,0x00ff
sll	$2,$19,8
sll	$3,$19,16
sll	$4,$19,24
or	$3,$3,$4
or	$2,$19,$2
or	$2,$2,$3
sw	$2,316($sp)
move	$2,$6
move	$16,$20
addu	$18,$20,$15
sw	$6,320($sp)
.set	noreorder
.set	nomacro
bne	$2,$0,$L223
move	$20,$0
.set	macro
.set	reorder

andi	$3,$16,0x3
$L239:
li	$2,4			# 0x4
subu	$2,$2,$3
li	$4,2			# 0x2
.set	noreorder
.set	nomacro
beq	$2,$4,$L164
move	$3,$16
.set	macro
.set	reorder

li	$5,3			# 0x3
.set	noreorder
.set	nomacro
beq	$2,$5,$L165
li	$6,1			# 0x1
.set	macro
.set	reorder

beq	$2,$6,$L224
$L162:
move	$2,$3
addiu	$5,$3,-4
lw	$3,316($sp)
#APP
.word	0b01110000000000110000000001101111	#S32I2M XR1,$3
#NO_APP
andi	$2,$2,0x1f
.set	noreorder
.set	nomacro
beq	$2,$0,$L235
addiu	$2,$18,-31
.set	macro
.set	reorder

li	$4,-32			# 0xffffffffffffffe0
and	$2,$5,$4
addiu	$4,$2,32
sltu	$3,$5,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L235
addiu	$2,$18,-31
.set	macro
.set	reorder

$L203:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L203
addiu	$2,$18,-31
.set	macro
.set	reorder

$L235:
li	$6,-32			# 0xffffffffffffffe0
and	$4,$2,$6
sltu	$3,$5,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L236
addiu	$2,$18,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L237:
#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,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L237
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$18,-4
$L236:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L238
andi	$2,$18,0x3
.set	macro
.set	reorder

$L205:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L205
andi	$2,$18,0x3
.set	macro
.set	reorder

$L238:
li	$4,2			# 0x2
.set	noreorder
.set	nomacro
beq	$2,$4,$L174
addiu	$3,$5,4
.set	macro
.set	reorder

li	$6,3			# 0x3
.set	noreorder
.set	nomacro
beq	$2,$6,$L175
li	$3,1			# 0x1
.set	macro
.set	reorder

beq	$2,$3,$L225
$L161:
lw	$4,296($sp)
addiu	$20,$20,1
sltu	$2,$20,$4
addu	$18,$18,$23
.set	noreorder
.set	nomacro
beq	$2,$0,$L128
addu	$16,$16,$23
.set	macro
.set	reorder

$L226:
lw	$2,320($sp)
.set	noreorder
.set	nomacro
beq	$2,$0,$L239
andi	$3,$16,0x3
.set	macro
.set	reorder

$L223:
move	$4,$16
move	$6,$15
andi	$5,$19,0x00ff
.set	noreorder
.set	nomacro
jal	memset
sw	$15,328($sp)
.set	macro
.set	reorder

lw	$4,296($sp)
addiu	$20,$20,1
sltu	$2,$20,$4
lw	$15,328($sp)
addu	$18,$18,$23
.set	noreorder
.set	nomacro
bne	$2,$0,$L226
addu	$16,$16,$23
.set	macro
.set	reorder

$L128:
lw	$4,312($sp)
$L242:
lw	$6,324($sp)
lw	$5,304($sp)
addiu	$4,$4,1
addiu	$6,$6,4
slt	$2,$4,$5
sw	$4,312($sp)
.set	noreorder
.set	nomacro
beq	$2,$0,$L227
sw	$6,324($sp)
.set	macro
.set	reorder

lw	$2,376($sp)
lw	$3,300($sp)
lw	$7,8($2)
.set	noreorder
.set	nomacro
beq	$3,$0,$L228
lw	$11,0($2)
.set	macro
.set	reorder

lw	$3,312($sp)
$L234:
lw	$4,308($sp)
.set	noreorder
.set	nomacro
beq	$3,$4,$L229
lw	$5,300($sp)
.set	macro
.set	reorder

$L112:
sra	$2,$7,3
addu	$2,$11,$2
lbu	$3,0($2)
andi	$4,$7,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
lw	$4,376($sp)
addiu	$7,$7,1
srl	$3,$3,7
.set	noreorder
.set	nomacro
bne	$3,$0,$L117
sw	$7,8($4)
.set	macro
.set	reorder

lw	$5,300($sp)
li	$4,1			# 0x1
addiu	$2,$5,3
srl	$2,$2,1
addiu	$3,$5,4
sll	$2,$4,$2
srl	$3,$3,1
sll	$15,$4,$3
move	$13,$2
.set	noreorder
.set	nomacro
j	$L116
sw	$2,296($sp)
.set	macro
.set	reorder

$L164:
addiu	$3,$16,2
sb	$19,0($16)
.set	noreorder
.set	nomacro
j	$L162
sb	$19,1($16)
.set	macro
.set	reorder

$L174:
sb	$19,4($5)
.set	noreorder
.set	nomacro
j	$L161
sb	$19,1($3)
.set	macro
.set	reorder

$L175:
sb	$19,6($5)
sb	$19,4($5)
.set	noreorder
.set	nomacro
j	$L161
sb	$19,5($5)
.set	macro
.set	reorder

$L165:
addiu	$3,$16,3
sb	$19,0($16)
sb	$19,1($16)
.set	noreorder
.set	nomacro
j	$L162
sb	$19,2($16)
.set	macro
.set	reorder

$L155:
sra	$3,$7,3
addu	$3,$3,$11
lbu	$2,0($3)
lbu	$4,1($3)
lbu	$6,3($3)
sll	$4,$4,16
lbu	$5,2($3)
sll	$2,$2,24
or	$2,$2,$4
or	$2,$2,$6
sll	$5,$5,8
lw	$6,300($sp)
or	$5,$5,$2
lui	$2,%hi(ff_svq1_intra_codebooks)
sll	$3,$16,2
sll	$4,$6,2
addiu	$2,$2,%lo(ff_svq1_intra_codebooks)
andi	$6,$7,0x7
addu	$4,$4,$2
sll	$5,$5,$6
addu	$2,$7,$3
subu	$3,$0,$3
srl	$5,$5,$3
lw	$3,376($sp)
lw	$4,0($4)
.set	noreorder
.set	nomacro
blez	$16,$L176
sw	$2,8($3)
.set	macro
.set	reorder

lw	$6,300($sp)
sll	$2,$14,2
addiu	$9,$6,1
addiu	$3,$2,-8
li	$8,1			# 0x1
move	$7,$0
addiu	$6,$sp,16
$L178:
srl	$2,$5,$3
andi	$2,$2,0xf
addu	$2,$2,$7
sll	$2,$2,$9
addiu	$8,$8,1
sw	$2,0($6)
addiu	$3,$3,-4
addiu	$7,$7,16
.set	noreorder
.set	nomacro
bne	$8,$14,$L178
addiu	$6,$6,4
.set	macro
.set	reorder

$L176:
sll	$2,$16,7
subu	$2,$12,$2
sra	$3,$2,31
addu	$3,$2,$3
sll	$3,$3,16
andi	$2,$2,0xffff
.set	noreorder
.set	nomacro
beq	$13,$0,$L128
or	$5,$3,$2
.set	macro
.set	reorder

move	$18,$4
srl	$6,$15,2
move	$19,$0
$L180:
beq	$6,$0,$L191
move	$24,$20
move	$12,$18
move	$15,$0
$L189:
.set	noreorder
.set	nomacro
blez	$16,$L230
lui	$2,%hi($LC3)
.set	macro
.set	reorder

addiu	$2,$2,%lo($LC3)
lw	$13,0($2)
lui	$3,%hi($LC4)
lui	$2,%hi($LC5)
addiu	$3,$3,%lo($LC4)
addiu	$2,$2,%lo($LC5)
lw	$11,0($3)
lw	$10,0($2)
move	$9,$5
move	$8,$5
li	$7,1			# 0x1
addiu	$4,$sp,16
$L182:
lw	$2,0($4)
addiu	$7,$7,1
sll	$2,$2,2
addu	$2,$2,$12
lw	$3,0($2)
addiu	$4,$4,4
xor	$3,$3,$13
and	$2,$3,$11
srl	$2,$2,8
and	$3,$3,$10
addu	$9,$9,$2
.set	noreorder
.set	nomacro
bne	$14,$7,$L182
addu	$8,$8,$3
.set	macro
.set	reorder

$L183:
and	$2,$9,$22
.set	noreorder
.set	nomacro
beq	$2,$0,$L240
and	$2,$8,$22
.set	macro
.set	reorder

li	$2,2130706432			# 0x7f000000
ori	$2,$2,0x7f00
addu	$2,$9,$2
nor	$3,$0,$2
srl	$4,$9,15
srl	$3,$3,15
and	$3,$3,$17
and	$4,$4,$17
or	$3,$3,$21
or	$4,$4,$21
subu	$3,$3,$17
subu	$4,$4,$17
or	$2,$2,$3
and	$4,$4,$fp
and	$9,$2,$4
and	$2,$8,$22
$L240:
.set	noreorder
.set	nomacro
beq	$2,$0,$L241
sll	$2,$9,8
.set	macro
.set	reorder

li	$2,2130706432			# 0x7f000000
ori	$2,$2,0x7f00
addu	$2,$8,$2
nor	$3,$0,$2
srl	$4,$8,15
srl	$3,$3,15
and	$3,$3,$17
and	$4,$4,$17
or	$3,$3,$21
or	$4,$4,$21
subu	$3,$3,$17
subu	$4,$4,$17
or	$2,$2,$3
and	$4,$4,$fp
and	$8,$2,$4
sll	$2,$9,8
$L241:
or	$2,$8,$2
addiu	$15,$15,1
sw	$2,0($24)
addiu	$12,$12,4
.set	noreorder
.set	nomacro
bne	$15,$6,$L189
addiu	$24,$24,4
.set	macro
.set	reorder

sll	$2,$6,2
addu	$18,$18,$2
$L191:
lw	$3,296($sp)
addiu	$19,$19,1
sltu	$2,$19,$3
.set	noreorder
.set	nomacro
beq	$2,$0,$L242
lw	$4,312($sp)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L180
addu	$20,$20,$23
.set	macro
.set	reorder

$L230:
move	$9,$5
.set	noreorder
.set	nomacro
j	$L183
move	$8,$5
.set	macro
.set	reorder

$L224:
addiu	$3,$16,1
.set	noreorder
.set	nomacro
j	$L162
sb	$19,0($16)
.set	macro
.set	reorder

$L225:
.set	noreorder
.set	nomacro
j	$L161
sb	$19,4($5)
.set	macro
.set	reorder

$L117:
lw	$6,324($sp)
lw	$4,304($sp)
lw	$3,24($6)
sll	$2,$4,2
lw	$6,300($sp)
addiu	$5,$sp,16
addu	$2,$2,$5
sw	$3,24($2)
andi	$4,$6,0x1
srl	$2,$6,1
lw	$5,384($sp)
lw	$6,324($sp)
li	$3,1			# 0x1
movn	$3,$5,$4
addiu	$2,$2,1
lw	$5,24($6)
sll	$3,$3,$2
lw	$6,304($sp)
addu	$5,$5,$3
lw	$3,312($sp)
addiu	$4,$6,1
addiu	$6,$6,2
addiu	$3,$3,1
sw	$6,304($sp)
lw	$6,324($sp)
sll	$4,$4,2
addiu	$2,$sp,16
sw	$3,312($sp)
lw	$3,300($sp)
addu	$4,$4,$2
addiu	$6,$6,4
sw	$6,324($sp)
.set	noreorder
.set	nomacro
j	$L218
sw	$5,24($4)
.set	macro
.set	reorder

$L220:
.set	noreorder
.set	nomacro
beq	$13,$0,$L128
sltu	$4,$15,40
.set	macro
.set	reorder

move	$5,$4
move	$16,$20
addu	$18,$15,$20
move	$19,$0
sw	$4,320($sp)
.set	noreorder
.set	nomacro
bne	$5,$0,$L231
li	$20,2			# 0x2
.set	macro
.set	reorder