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on failed aio submission, set aiocb error and return value
[musl]
/
src
/
string
/
x86_64
/
memcpy.s
1
.global memcpy
2
.global __memcpy_fwd
3
.hidden __memcpy_fwd
4
.type memcpy,@function
5
memcpy:
6
__memcpy_fwd:
7
mov %rdi,%rax
8
cmp $8,%rdx
9
jc 1f
10
test $7,%edi
11
jz 1f
12
2: movsb
13
dec %rdx
14
test $7,%edi
15
jnz 2b
16
1: mov %rdx,%rcx
17
shr $3,%rcx
18
rep
19
movsq
20
and $7,%edx
21
jz 1f
22
2: movsb
23
dec %edx
24
jnz 2b
25
1: ret