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Side by Side Diff: fusl/src/string/x86_64/memcpy.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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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
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