newlib-cygwin/newlib/libc/machine/mn10300/memcpy.S

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2000-02-18 03:39:52 +08:00
.file "memcpy.S"
.section .text
.global _memcpy
.type _memcpy,@function
_memcpy:
movm [d2,d3,a2,a3],(sp)
mov d0,d2
mov d1,a0
mov d2,a1
mov (28,sp),d1
#ifndef __OPTIMIZE_SIZE__
mov a0,d0
or d2,d0
btst 3,d0
bne .L37
cmp 15,d1
bls .L34
.L29:
setlb
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
add -16,d1
cmp 15,d1
lhi
.L34:
cmp 3,d1
bls .L37
.L33:
setlb
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
add -4,d1
cmp 3,d1
lhi
#endif
.L37:
cmp 0,d1
beq .L36
.L38:
setlb
movbu (a0),d0
movbu d0,(a1)
inc a0
inc a1
sub 1,d1
lne
.L36:
mov d2,a0
ret [d2,d3,a2,a3],16
.Lfe1:
.size _memcpy,.Lfe1-_memcpy