intfloat_readwrite.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 735 行

.file	1 "intfloat_readwrite.c"
.section .mdebug.abi32
.previous
.globl	__eqsf2
.globl	__extendsfdf2
.globl	__truncdfsf2
.globl	__ltsf2
.globl	__subdf3
.globl	__muldf3
.globl	__fixdfdi
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC0:
.word	0
.word	1071644672
.align	3
$LC1:
.word	0
.word	1097859072
.section	.text.av_flt2int,"ax",@progbits
.align	2
.align	5
.globl	av_flt2int
.ent	av_flt2int
.type	av_flt2int, @function
av_flt2int:
.frame	$sp,40,$31		# vars= 8, regs= 4/0, args= 16, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
move	$5,$0
sw	$18,32($sp)
sw	$16,24($sp)
sw	$31,36($sp)
move	$16,$4
jal	__eqsf2
sw	$17,28($sp)

li	$18,-2147483648			# 0xffffffff80000000
move	$4,$16
beq	$2,$0,$L5
move	$5,$0

jal	__extendsfdf2
nop

move	$4,$2
addiu	$6,$sp,16
jal	frexp
move	$5,$3

move	$5,$3
jal	__truncdfsf2
move	$4,$2

move	$4,$2
move	$5,$0
jal	__ltsf2
move	$17,$2

slt	$2,$2,0
move	$4,$17
jal	__extendsfdf2
movz	$18,$0,$2

move	$4,$2
jal	fabs
move	$5,$3

lui	$4,%hi($LC0)
lw	$6,%lo($LC0)($4)
lw	$7,%lo($LC0+4)($4)
move	$5,$3
jal	__subdf3
move	$4,$2

lui	$4,%hi($LC1)
lw	$6,%lo($LC1)($4)
lw	$7,%lo($LC1+4)($4)
move	$5,$3
move	$4,$2
jal	__muldf3
lw	$16,16($sp)

move	$5,$3
addiu	$16,$16,126
jal	__fixdfdi
move	$4,$2

sll	$16,$16,23
or	$16,$16,$2
or	$5,$18,$16
$L5:
lw	$31,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	av_flt2int
.globl	__eqdf2
.globl	__ltdf2
.section	.rodata.cst8
.align	3
$LC2:
.word	0
.word	1071644672
.align	3
$LC3:
.word	0
.word	1128267776
.section	.text.av_dbl2int,"ax",@progbits
.align	2
.align	5
.globl	av_dbl2int
.ent	av_dbl2int
.type	av_dbl2int, @function
av_dbl2int:
.frame	$sp,56,$31		# vars= 8, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
move	$6,$0
move	$7,$0
sw	$17,28($sp)
sw	$16,24($sp)
move	$17,$5
move	$16,$4
sw	$31,48($sp)
sw	$21,44($sp)
sw	$20,40($sp)
sw	$19,36($sp)
jal	__eqdf2
sw	$18,32($sp)

move	$4,$16
move	$5,$17
addiu	$6,$sp,16
move	$8,$0
bne	$2,$0,$L22
move	$9,$0

lw	$31,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$8
move	$3,$9
j	$31
addiu	$sp,$sp,56

$L22:
jal	frexp
move	$20,$0

move	$4,$2
move	$5,$3
move	$6,$0
move	$7,$0
move	$18,$2
jal	__ltdf2
move	$19,$3

bltz	$2,$L20
li	$21,-2147483648			# 0xffffffff80000000

move	$20,$0
move	$21,$0
$L20:
lw	$4,16($sp)
move	$5,$19
addiu	$16,$4,1022
jal	fabs
move	$4,$18

lui	$4,%hi($LC2)
lw	$6,%lo($LC2)($4)
lw	$7,%lo($LC2+4)($4)
move	$5,$3
jal	__subdf3
move	$4,$2

lui	$4,%hi($LC3)
lw	$6,%lo($LC3)($4)
lw	$7,%lo($LC3+4)($4)
move	$5,$3
jal	__muldf3
move	$4,$2

move	$4,$2
jal	__fixdfdi
move	$5,$3

sll	$17,$16,20
move	$16,$0
or	$16,$16,$2
or	$17,$17,$3
or	$8,$20,$16
or	$9,$21,$17
lw	$31,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$8
move	$3,$9
j	$31
addiu	$sp,$sp,56

.set	macro
.set	reorder
.end	av_dbl2int
.globl	__gedf2
.globl	__fixunsdfdi
.globl	__nedf2
.globl	__ledf2
.section	.rodata.cst8
.align	3
$LC4:
.word	0
.word	1071644672
.align	3
$LC5:
.word	0
.word	1072693248
.align	3
$LC6:
.word	-1
.word	2146435071
.section	.text.av_dbl2ext,"ax",@progbits
.align	2
.align	5
.globl	av_dbl2ext
.ent	av_dbl2ext
.type	av_dbl2ext, @function
av_dbl2ext:
.frame	$sp,64,$31		# vars= 8, regs= 9/0, args= 16, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-64
sw	$22,48($sp)
move	$22,$6
sw	$31,56($sp)
sw	$23,52($sp)
sw	$19,36($sp)
sw	$17,28($sp)
sw	$16,24($sp)
sw	$21,44($sp)
sw	$20,40($sp)
sw	$18,32($sp)
move	$5,$7
addiu	$6,$sp,16
sb	$0,0($4)
sb	$0,1($4)
sb	$0,2($4)
sb	$0,3($4)
sb	$0,4($4)
sb	$0,5($4)
sb	$0,6($4)
sb	$0,7($4)
sb	$0,8($4)
sb	$0,9($4)
move	$19,$4
move	$4,$22
jal	frexp
move	$23,$7

move	$4,$2
jal	fabs
move	$5,$3

move	$16,$2
lui	$2,%hi($LC4)
lw	$6,%lo($LC4)($2)
lw	$7,%lo($LC4+4)($2)
move	$4,$16
move	$5,$3
jal	__ltdf2
move	$17,$3

bltz	$2,$L39
move	$4,$16

lui	$2,%hi($LC5)
lw	$6,%lo($LC5)($2)
lw	$7,%lo($LC5+4)($2)
jal	__gedf2
move	$5,$17

bltz	$2,$L37
move	$4,$16

$L39:
move	$5,$17
move	$6,$0
jal	__nedf2
move	$7,$0

beq	$2,$0,$L38
move	$21,$0

lui	$2,%hi($LC6)
lw	$6,%lo($LC6)($2)
lw	$7,%lo($LC6+4)($2)
move	$4,$16
jal	__ledf2
move	$5,$17

bgtz	$2,$L36
li	$2,-1

sb	$2,2($19)
$L36:
li	$21,255			# 0xff
j	$L27
li	$20,127			# 0x7f

$L38:
move	$20,$0
$L27:
move	$4,$22
move	$5,$23
move	$6,$0
jal	__ltdf2
move	$7,$0

slt	$2,$2,0
ori	$3,$20,0x80
movn	$20,$3,$2
sb	$21,1($19)
sb	$20,0($19)
move	$2,$19
lw	$31,56($sp)
lw	$23,52($sp)
lw	$22,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,64

$L37:
lw	$18,16($sp)
addiu	$18,$18,16382
li	$6,64			# 0x40
move	$5,$17
jal	ldexp
sw	$18,16($sp)

move	$4,$2
jal	__fixunsdfdi
move	$5,$3

sra	$4,$18,8
andi	$20,$4,0x00ff
srl	$8,$2,24
sll	$4,$3,8
or	$8,$4,$8
andi	$21,$18,0x00ff
sll	$5,$3,16
srl	$6,$2,16
sll	$18,$3,24
srl	$4,$2,8
srl	$16,$3,24
srl	$14,$3,16
srl	$12,$3,8
or	$6,$5,$6
or	$4,$18,$4
sb	$16,2($19)
sb	$14,3($19)
sb	$12,4($19)
sb	$3,5($19)
sb	$8,6($19)
sb	$6,7($19)
sb	$4,8($19)
j	$L27
sb	$2,9($19)

.set	macro
.set	reorder
.end	av_dbl2ext
.globl	__cmpdi2
.globl	__floatdidf
.globl	__adddf3
.section	.rodata.cst8
.align	3
$LC7:
.word	-1
.word	2146959359
.section	.text.av_ext2dbl,"ax",@progbits
.align	2
.align	5
.globl	av_ext2dbl
.ent	av_ext2dbl
.type	av_ext2dbl, @function
av_ext2dbl:
.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	$4,32($sp)
lbu	$2,34($sp)
lbu	$10,35($sp)
srl	$4,$2,24
sll	$2,$2,8
addu	$8,$2,$10
move	$3,$0
sw	$5,36($sp)
or	$3,$4,$3
sltu	$4,$8,$2
addu	$9,$4,$3
lbu	$4,36($sp)
srl	$2,$8,24
sll	$9,$9,8
sll	$8,$8,8
or	$9,$2,$9
addu	$2,$8,$4
sltu	$7,$2,$8
addu	$3,$7,$9
lbu	$8,37($sp)
srl	$4,$2,24
sll	$3,$3,8
sll	$2,$2,8
or	$3,$4,$3
addu	$4,$2,$8
sltu	$7,$4,$2
addu	$5,$7,$3
lbu	$8,38($sp)
srl	$2,$4,24
sll	$5,$5,8
sll	$4,$4,8
or	$5,$2,$5
addu	$2,$4,$8
sltu	$7,$2,$4
addu	$3,$7,$5
lbu	$8,39($sp)
srl	$4,$2,24
sll	$3,$3,8
sll	$2,$2,8
or	$3,$4,$3
addu	$4,$2,$8
sltu	$7,$4,$2
sw	$6,40($sp)
addu	$5,$7,$3
lbu	$6,40($sp)
srl	$2,$4,24
sll	$5,$5,8
sll	$4,$4,8
or	$5,$2,$5
addu	$2,$4,$6
sltu	$8,$2,$4
addu	$3,$8,$5
lbu	$6,41($sp)
lbu	$9,32($sp)
srl	$4,$2,24
sll	$3,$3,8
sll	$2,$2,8
or	$3,$4,$3
andi	$8,$9,0x7f
addu	$4,$2,$6
lbu	$7,33($sp)
sltu	$6,$4,$2
sll	$8,$8,8
sw	$18,24($sp)
addu	$5,$6,$3
or	$18,$8,$7
li	$2,32767			# 0x7fff
sw	$17,20($sp)
sw	$16,16($sp)
sw	$31,28($sp)
move	$16,$4
beq	$18,$2,$L51
move	$17,$5

sll	$2,$9,24
$L55:
sra	$2,$2,24
bltz	$2,$L52
move	$4,$16

move	$5,$17
move	$6,$0
jal	__cmpdi2
move	$7,$0

blez	$2,$L54
sll	$6,$17,31

move	$4,$16
$L56:
jal	__floatdidf
move	$5,$17

move	$4,$2
addiu	$6,$18,-16446
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$5,$3
j	ldexp
addiu	$sp,$sp,32

$L51:
or	$2,$4,$5
beq	$2,$0,$L55
sll	$2,$9,24

lui	$4,%hi($LC7)
lw	$2,%lo($LC7)($4)
lw	$3,%lo($LC7+4)($4)
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

$L52:
subu	$2,$0,$16
sltu	$4,$0,$2
subu	$3,$0,$17
subu	$3,$3,$4
move	$16,$2
move	$17,$3
move	$4,$16
move	$5,$17
move	$6,$0
jal	__cmpdi2
move	$7,$0

bgtz	$2,$L56
move	$4,$16

sll	$6,$17,31
$L54:
srl	$2,$16,1
or	$2,$6,$2
srl	$3,$17,1
andi	$4,$16,0x1
move	$5,$0
or	$4,$4,$2
jal	__floatdidf
or	$5,$5,$3

move	$4,$2
move	$5,$3
move	$6,$2
jal	__adddf3
move	$7,$3

move	$4,$2
addiu	$6,$18,-16446
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$5,$3
j	ldexp
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	av_ext2dbl
.globl	__floatsidf
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC8:
.word	2143289343
.section	.text.av_int2flt,"ax",@progbits
.align	2
.align	5
.globl	av_int2flt
.ent	av_int2flt
.type	av_int2flt, @function
av_int2flt:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$16,16($sp)
move	$16,$4
li	$4,8323072			# 0x7f0000
ori	$4,$4,0xffff
li	$3,8388608			# 0x800000
and	$4,$16,$4
sra	$2,$16,31
addu	$4,$4,$3
ori	$2,$2,0x1
mul	$4,$4,$2
li	$2,-16777216			# 0xffffffffff000000
sll	$3,$16,1
ori	$2,$2,0x1
sltu	$3,$3,$2
bne	$3,$0,$L58
sw	$31,20($sp)

lui	$2,%hi($LC8)
lw	$2,%lo($LC8)($2)
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

$L58:
jal	__floatsidf
nop

sra	$6,$16,23
andi	$6,$6,0xff
addiu	$6,$6,-150
move	$4,$2
jal	ldexp
move	$5,$3

move	$4,$2
jal	__truncdfsf2
move	$5,$3

lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	av_int2flt
.section	.rodata.cst8
.align	3
$LC9:
.word	-1
.word	2146959359
.section	.text.av_int2dbl,"ax",@progbits
.align	2
.align	5
.globl	av_int2dbl
.ent	av_int2dbl
.type	av_int2dbl, @function
av_int2dbl:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$16,16($sp)
move	$16,$4
sll	$4,$4,1
sltu	$2,$4,$16
sw	$17,20($sp)
move	$17,$5
sll	$5,$5,1
addu	$5,$2,$5
li	$3,-2097152			# 0xffffffffffe00000
sltu	$2,$3,$5
bne	$2,$0,$L65
sw	$31,24($sp)

beq	$5,$3,$L68
li	$2,983040			# 0xf0000

$L69:
sra	$8,$17,31
ori	$2,$2,0xffff
and	$7,$17,$2
li	$5,1048576			# 0x100000
ori	$2,$8,0x1
addu	$11,$7,$5
mul	$7,$8,$16
multu	$16,$2
mflo	$4
mfhi	$5
mul	$6,$11,$2
addu	$2,$6,$7
jal	__floatdidf
addu	$5,$2,$5

sra	$6,$17,20
andi	$6,$6,0x7ff
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$4,$2
move	$5,$3
addiu	$6,$6,-1075
j	ldexp
addiu	$sp,$sp,32

$L68:
bleu	$4,$0,$L69
nop

$L65:
lui	$4,%hi($LC9)
lw	$2,%lo($LC9)($4)
lw	$3,%lo($LC9+4)($4)
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	av_int2dbl
.ident	"GCC: (GNU) 4.1.2"