fusl/src/string/x86_64/memmove.s - Issue 1573973002: Add a "fork" of musl as //fusl.

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Unified Diff: fusl/src/string/x86_64/memmove.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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Index: fusl/src/string/x86_64/memmove.s

diff --git a/fusl/src/string/x86_64/memmove.s b/fusl/src/string/x86_64/memmove.s

new file mode 100644

index 0000000000000000000000000000000000000000..172c025206a3e81e9db34a38581e34a4ac02a4f8

--- /dev/null

+++ b/fusl/src/string/x86_64/memmove.s

@@ -0,0 +1,16 @@

+.global memmove

+.type memmove,@function

+memmove:

+ mov %rdi,%rax

+ sub %rsi,%rax

+ cmp %rdx,%rax

+.hidden __memcpy_fwd

+ jae __memcpy_fwd

+ mov %rdx,%rcx

+ lea -1(%rdi,%rdx),%rdi

+ lea -1(%rsi,%rdx),%rsi

+ std

+ rep movsb

+ cld

+ lea 1(%rdi),%rax

+ ret

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