fft.s

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,图片解码,浏览,电子书,录音,想学ucos,识货的人就下吧 russblock fmradio explore set

.file	1 "fft.c"
.section .mdebug.abi32
.previous
.globl	__addsf3
.globl	__subsf3
.globl	__mulsf3
.section	.text.ff_fft_calc_c,"ax",@progbits
.align	2
.align	5
.globl	ff_fft_calc_c
.ent	ff_fft_calc_c
.type	ff_fft_calc_c, @function
ff_fft_calc_c:
.frame	$sp,96,$31		# vars= 40, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$fp,88($sp)
sw	$21,76($sp)
sw	$20,72($sp)
sw	$31,92($sp)
sw	$23,84($sp)
sw	$22,80($sp)
sw	$19,68($sp)
sw	$18,64($sp)
sw	$17,60($sp)
sw	$16,56($sp)
lw	$3,0($4)
li	$2,1			# 0x1
sw	$5,100($sp)
sll	$2,$2,$3
lw	$3,12($4)
sw	$2,36($sp)
sra	$2,$2,1
move	$fp,$4
sw	$2,20($sp)
sw	$3,24($sp)
move	$21,$2
move	$20,$5
$L2:
lw	$16,0($20)
lw	$17,8($20)
lw	$22,4($20)
lw	$23,12($20)
move	$4,$16
jal	__addsf3
move	$5,$17

sw	$2,0($20)
move	$4,$22
jal	__addsf3
move	$5,$23

sw	$2,4($20)
move	$4,$16
jal	__subsf3
move	$5,$17

sw	$2,8($20)
move	$4,$22
jal	__subsf3
move	$5,$23

addiu	$21,$21,-1
sw	$2,12($20)
bne	$21,$0,$L2
addiu	$20,$20,16

lw	$4,36($sp)
lw	$2,4($fp)
beq	$2,$0,$L4
sra	$23,$4,2

lw	$20,100($sp)
$L6:
lw	$16,0($20)
lw	$17,16($20)
lw	$21,4($20)
lw	$22,20($20)
move	$4,$16
jal	__addsf3
move	$5,$17

sw	$2,0($20)
move	$4,$21
jal	__addsf3
move	$5,$22

sw	$2,4($20)
move	$4,$16
jal	__subsf3
move	$5,$17

sw	$2,16($20)
move	$4,$21
jal	__subsf3
move	$5,$22

lw	$4,28($20)
li	$3,-2147483648			# 0xffffffff80000000
lw	$16,8($20)
xor	$17,$4,$3
lw	$21,12($20)
lw	$22,24($20)
sw	$2,20($20)
move	$4,$16
jal	__addsf3
move	$5,$17

sw	$2,8($20)
move	$4,$21
jal	__addsf3
move	$5,$22

sw	$2,12($20)
move	$4,$16
jal	__subsf3
move	$5,$17

sw	$2,24($20)
move	$4,$21
jal	__subsf3
move	$5,$22

addiu	$23,$23,-1
sw	$2,28($20)
bne	$23,$0,$L6
addiu	$20,$20,32

lw	$2,36($sp)
li	$3,4			# 0x4
sra	$2,$2,3
sw	$2,32($sp)
sw	$3,28($sp)
move	$4,$2
$L9:
blez	$4,$L10
lw	$2,28($sp)

lw	$3,100($sp)
sll	$2,$2,3
addu	$21,$3,$2
sw	$2,40($sp)
move	$20,$3
lw	$2,20($sp)
lw	$3,32($sp)
slt	$4,$4,$2
sll	$3,$3,3
sw	$0,16($sp)
sw	$4,48($sp)
sw	$3,52($sp)
$L12:
lw	$16,0($20)
lw	$17,0($21)
lw	$22,4($20)
lw	$23,4($21)
move	$4,$16
jal	__addsf3
move	$5,$17

sw	$2,0($20)
move	$4,$22
jal	__addsf3
move	$5,$23

sw	$2,4($20)
move	$4,$16
jal	__subsf3
move	$5,$17

sw	$2,0($21)
move	$4,$22
jal	__subsf3
move	$5,$23

lw	$4,48($sp)
sw	$2,4($21)
addiu	$22,$20,8
beq	$4,$0,$L13
addiu	$23,$21,8

lw	$2,32($sp)
lw	$3,24($sp)
lw	$4,52($sp)
sll	$19,$2,1
addu	$fp,$3,$4
$L15:
lw	$18,0($23)
lw	$17,4($23)
lw	$20,4($fp)
lw	$4,0($fp)
jal	__mulsf3
move	$5,$18

move	$5,$17
move	$4,$20
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__subsf3
move	$4,$16

lw	$4,0($fp)
move	$5,$17
jal	__mulsf3
move	$21,$2

move	$4,$18
move	$5,$20
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$16,0($22)
lw	$17,4($22)
move	$4,$21
move	$5,$16
jal	__addsf3
sw	$2,44($sp)

lw	$4,44($sp)
sw	$2,0($22)
jal	__addsf3
move	$5,$17

sw	$2,4($22)
move	$4,$16
jal	__subsf3
move	$5,$21

sw	$2,0($23)
lw	$5,44($sp)
lw	$2,32($sp)
move	$4,$17
jal	__subsf3
addu	$19,$19,$2

lw	$4,32($sp)
sw	$2,4($23)
subu	$3,$19,$4
lw	$4,20($sp)
lw	$2,52($sp)
slt	$3,$3,$4
addiu	$22,$22,8
addiu	$23,$23,8
bne	$3,$0,$L15
addu	$fp,$fp,$2

$L13:
lw	$3,16($sp)
lw	$4,32($sp)
addiu	$3,$3,1
beq	$4,$3,$L10
sw	$3,16($sp)

lw	$2,40($sp)
addu	$20,$22,$2
j	$L12
addu	$21,$2,$23

$L10:
lw	$3,32($sp)
sra	$3,$3,1
beq	$3,$0,$L19
sw	$3,32($sp)

lw	$4,28($sp)
sll	$4,$4,1
sw	$4,28($sp)
j	$L9
lw	$4,32($sp)

$L19:
lw	$31,92($sp)
lw	$fp,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
j	$31
addiu	$sp,$sp,96

$L4:
lw	$20,100($sp)
$L8:
lw	$16,0($20)
lw	$17,16($20)
lw	$21,4($20)
lw	$22,20($20)
move	$4,$16
jal	__addsf3
move	$5,$17

sw	$2,0($20)
move	$4,$21
jal	__addsf3
move	$5,$22

sw	$2,4($20)
move	$4,$16
jal	__subsf3
move	$5,$17

sw	$2,16($20)
move	$4,$21
jal	__subsf3
move	$5,$22

lw	$17,8($20)
lw	$22,28($20)
lw	$3,24($20)
lw	$21,12($20)
sw	$2,20($20)
move	$4,$17
move	$5,$22
li	$2,-2147483648			# 0xffffffff80000000
jal	__addsf3
xor	$16,$3,$2

sw	$2,8($20)
move	$4,$21
jal	__addsf3
move	$5,$16

sw	$2,12($20)
move	$4,$17
jal	__subsf3
move	$5,$22

sw	$2,24($20)
move	$4,$21
jal	__subsf3
move	$5,$16

addiu	$23,$23,-1
sw	$2,28($20)
bne	$23,$0,$L8
addiu	$20,$20,32

lw	$2,36($sp)
li	$3,4			# 0x4
sra	$2,$2,3
move	$4,$2
sw	$2,32($sp)
j	$L9
sw	$3,28($sp)

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

lw	$3,0($4)
li	$2,1			# 0x1
sll	$10,$2,$3
move	$11,$5
blez	$10,$L34
lw	$2,8($4)

move	$8,$2
move	$7,$5
move	$9,$0
$L29:
lhu	$3,0($8)
addiu	$8,$8,2
sll	$2,$3,3
slt	$3,$3,$9
addu	$6,$2,$11
beq	$3,$0,$L30
addiu	$9,$9,1

lw	$5,0($7)
lw	$2,4($7)
lw	$3,4($6)
lw	$4,0($6)
sw	$2,4($6)
sw	$5,0($6)
sw	$3,4($7)
sw	$4,0($7)
$L30:
bne	$10,$9,$L29
addiu	$7,$7,8

$L34:
j	$31
nop

.set	macro
.set	reorder
.end	ff_fft_permute
.section	.text.ff_fft_end,"ax",@progbits
.align	2
.align	5
.globl	ff_fft_end
.ent	ff_fft_end
.type	ff_fft_end, @function
ff_fft_end:
.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
sw	$31,20($sp)
jal	av_freep
addiu	$4,$4,8

jal	av_freep
addiu	$4,$16,12

addiu	$4,$16,16
lw	$31,20($sp)
lw	$16,16($sp)
j	av_freep
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	ff_fft_end
.globl	__extendsfdf2
.globl	__floatsisf
.globl	__divdf3
.globl	__muldf3
.globl	__truncdfsf2
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC0:
.word	1065353216
.align	2
$LC1:
.word	-1082130432
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC2:
.word	0
.word	1072693248
.align	3
$LC3:
.word	1413754136
.word	1075388923
.section	.text.ff_fft_init,"ax",@progbits
.align	2
.align	5
.globl	ff_fft_init
.ent	ff_fft_init
.type	ff_fft_init, @function
ff_fft_init:
.frame	$sp,80,$31		# vars= 24, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

li	$2,1			# 0x1
sll	$2,$2,$5
srl	$3,$2,31
addiu	$sp,$sp,-80
addu	$3,$3,$2
sw	$fp,72($sp)
sra	$fp,$3,1
sw	$23,68($sp)
sw	$16,40($sp)
sw	$31,76($sp)
sw	$22,64($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$19,52($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$4,80($sp)
sw	$5,0($4)
sll	$4,$fp,3
move	$23,$5
sw	$2,32($sp)
jal	av_malloc
move	$16,$6

lw	$3,80($sp)
beq	$2,$0,$L38
sw	$2,12($3)

lw	$2,32($sp)
jal	av_malloc
sll	$4,$2,1

lw	$3,80($sp)
beq	$2,$0,$L38
sw	$2,8($3)

bne	$16,$0,$L60
sw	$16,4($3)

lui	$2,%hi($LC1)
lw	$4,%lo($LC1)($2)
$L43:
blez	$fp,$L62
lw	$3,80($sp)

jal	__extendsfdf2
move	$22,$0

lw	$4,32($sp)
sw	$3,28($sp)
jal	__floatsisf
sw	$2,24($sp)

jal	__extendsfdf2
move	$4,$2

lui	$6,%hi($LC2)
lw	$4,%lo($LC2)($6)
lw	$5,%lo($LC2+4)($6)
move	$7,$3
jal	__divdf3
move	$6,$2

sw	$2,16($sp)
sw	$3,20($sp)
$L46:
jal	__floatsisf
move	$4,$22

jal	__extendsfdf2
move	$4,$2

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

lw	$6,16($sp)
lw	$7,20($sp)
move	$4,$2
jal	__muldf3
move	$5,$3

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

jal	__extendsfdf2
move	$4,$2

move	$16,$2
move	$17,$3
move	$4,$2
jal	cos
move	$5,$3

move	$4,$16
move	$5,$17
move	$18,$2
jal	sin
move	$19,$3

move	$21,$3
lw	$3,80($sp)
move	$20,$2
lw	$2,12($3)
move	$4,$18
move	$5,$19
sll	$16,$22,3
jal	__truncdfsf2
addu	$16,$16,$2

lw	$6,24($sp)
lw	$7,28($sp)
move	$4,$20
move	$5,$21
jal	__muldf3
sw	$2,0($16)

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

addiu	$22,$22,1
bne	$fp,$22,$L46
sw	$2,4($16)

lw	$3,80($sp)
$L62:
lui	$2,%hi(ff_fft_calc_c)
addiu	$2,$2,%lo(ff_fft_calc_c)
sw	$2,20($3)
lw	$2,80($sp)
lui	$3,%hi(ff_imdct_calc)
addiu	$3,$3,%lo(ff_imdct_calc)
sw	$3,24($2)
lw	$3,32($sp)
blez	$3,$L47
sw	$0,16($2)

lw	$7,8($2)
move	$6,$0
$L49:
blez	$23,$L61
move	$5,$0

addiu	$4,$23,-1
move	$3,$0
$L50:
sra	$2,$6,$3
andi	$2,$2,0x1
sll	$2,$2,$4
addiu	$3,$3,1
or	$5,$5,$2
bne	$23,$3,$L50
addiu	$4,$4,-1

andi	$3,$5,0xffff
$L52:
sll	$2,$6,1
addu	$2,$2,$7
sh	$3,0($2)
lw	$2,32($sp)
addiu	$6,$6,1
bne	$2,$6,$L49
nop

$L47:
lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,80

$L60:
lui	$2,%hi($LC0)
j	$L43
lw	$4,%lo($LC0)($2)

$L61:
j	$L52
move	$3,$0

$L38:
jal	av_freep
addiu	$4,$3,8

lw	$2,80($sp)
jal	av_freep
addiu	$4,$2,12

lw	$3,80($sp)
jal	av_freep
addiu	$4,$3,16

lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,80

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