blob: 0608dd83c761ef40e76fb1ad9b32afbf399b0c53 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
.global memcpy
.global __memcpy_fwd
.hidden __memcpy_fwd
.type memcpy,@function
memcpy:
__memcpy_fwd:
push %esi
push %edi
mov 12(%esp),%edi
mov 16(%esp),%esi
mov 20(%esp),%ecx
mov %edi,%eax
cmp $4,%ecx
jc 1f
test $3,%edi
jz 1f
2: movsb
dec %ecx
test $3,%edi
jnz 2b
1: mov %ecx,%edx
shr $2,%ecx
rep
movsl
and $3,%edx
jz 1f
2: movsb
dec %edx
jnz 2b
1: pop %edi
pop %esi
ret
|