crc.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 222 行

S
222 行
字号 
.file	1 "crc.c".section .mdebug.abi32.previous.section	.text.av_crc_init,"ax",@progbits.align	2.align	5.globl	av_crc_init.ent	av_crc_init.type	av_crc_init, @functionav_crc_init:.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0.mask	0x00000000,0.fmask	0x00000000,0.set	noreorder.set	nomacroaddiu	$2,$6,-8sltu	$2,$2,25move	$14,$4move	$11,$5bne	$2,$0,$L18lw	$10,16($sp)li	$3,-1			# 0xffffffffffffffff$L13:$L24:j	$31move	$2,$3$L18:li	$3,1			# 0x1andi	$2,$6,0x20sll	$4,$3,$6move	$5,$0movn	$5,$4,$2move	$9,$0movn	$4,$0,$2slt	$2,$9,$5bne	$2,$0,$L23li	$2,1028			# 0x404bne	$9,$5,$L24li	$3,-1			# 0xffffffffffffffffsltu	$2,$7,$4beq	$2,$0,$L24nopli	$2,1028			# 0x404$L23:bne	$10,$2,$L19subu	$2,$0,$6$L22:sll	$8,$7,$2li	$3,-16777216			# 0xffffffffff000000li	$2,16711680			# 0xff0000ori	$12,$3,0xff00ori	$13,$2,0xffmove	$10,$14j	$L8move	$9,$0$L21:sw	$3,0($10)$L11:addiu	$9,$9,1li	$2,256			# 0x100beq	$9,$2,$L20addiu	$10,$10,4$L8:andi	$2,$9,0x1subu	$2,$0,$2and	$2,$7,$2srl	$3,$9,1sll	$4,$9,24xor	$3,$3,$2sra	$4,$4,31andi	$6,$3,0x1and	$4,$8,$4sll	$2,$9,25xor	$2,$2,$4subu	$6,$0,$6and	$6,$7,$6sra	$5,$2,31srl	$3,$3,1xor	$3,$3,$6and	$5,$8,$5sll	$2,$2,1xor	$2,$2,$5andi	$4,$3,0x1sra	$6,$2,31subu	$4,$0,$4and	$4,$7,$4and	$6,$8,$6srl	$3,$3,1sll	$2,$2,1xor	$3,$3,$4xor	$2,$2,$6andi	$5,$3,0x1sra	$4,$2,31and	$4,$8,$4subu	$5,$0,$5sll	$2,$2,1xor	$2,$2,$4and	$5,$7,$5srl	$3,$3,1xor	$3,$3,$5sra	$4,$2,31andi	$6,$3,0x1and	$4,$8,$4sll	$2,$2,1xor	$2,$2,$4subu	$6,$0,$6and	$6,$7,$6sra	$5,$2,31srl	$3,$3,1xor	$3,$3,$6and	$5,$8,$5sll	$2,$2,1xor	$2,$2,$5andi	$4,$3,0x1sra	$6,$2,31subu	$4,$0,$4and	$4,$7,$4and	$6,$8,$6srl	$3,$3,1sll	$2,$2,1xor	$3,$3,$4xor	$2,$2,$6andi	$5,$3,0x1sra	$4,$2,31and	$4,$8,$4subu	$5,$0,$5sll	$2,$2,1xor	$2,$2,$4and	$5,$7,$5srl	$3,$3,1xor	$3,$3,$5srl	$4,$2,8sll	$2,$2,8andi	$5,$3,0x1and	$4,$4,$13and	$2,$2,$12or	$2,$2,$4subu	$5,$0,$5sll	$4,$2,16and	$5,$7,$5srl	$3,$3,1srl	$2,$2,16xor	$3,$3,$5bne	$11,$0,$L21or	$2,$2,$4j	$L11sw	$2,0($10)$L20:li	$2,1			# 0x1move	$3,$0j	$L13sw	$2,1024($14)$L19:li	$2,4096			# 0x1000bne	$10,$2,$L24li	$3,-1			# 0xffffffffffffffffj	$L22subu	$2,$0,$6.set	macro.set	reorder.end	av_crc_init.section	.text.av_crc,"ax",@progbits.align	2.align	5.globl	av_crc.ent	av_crc.type	av_crc, @functionav_crc:.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0.mask	0x00000000,0.fmask	0x00000000,0.set	noreorder.set	nomacroaddu	$7,$7,$6sltu	$2,$6,$7beq	$2,$0,$L26move	$8,$4$L28:lbu	$2,0($6)srl	$4,$5,8xor	$2,$5,$2andi	$2,$2,0x00ffsll	$2,$2,2addu	$2,$2,$8lw	$3,0($2)addiu	$6,$6,1bne	$6,$7,$L28xor	$5,$4,$3$L26:j	$31move	$2,$5.set	macro.set	reorder.end	av_crc.comm	av_crcEDB88320,4,4.comm	av_crc04C11DB7,4,4.comm	av_crc8005,4,4.comm	av_crc07,4,4.ident	"GCC: (GNU) 4.1.2"

crc.s - 源码说明

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