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

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Unified 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

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

Index: fusl/src/string/x86_64/memcpy.s

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

new file mode 100644

index 0000000000000000000000000000000000000000..3d960efa8936441dc468b243e75885880435df46

--- /dev/null

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

@@ -0,0 +1,25 @@

+.global memcpy

+.global __memcpy_fwd

+.hidden __memcpy_fwd

+.type memcpy,@function

+memcpy:

+__memcpy_fwd:

+ mov %rdi,%rax

+ cmp $8,%rdx

+ jc 1f

+ test $7,%edi

+ jz 1f

+2: movsb

+ dec %rdx

+ test $7,%edi

+ jnz 2b

+1: mov %rdx,%rcx

+ shr $3,%rcx

+ rep

+ movsq

+ and $7,%edx

+ jz 1f

+2: movsb

+ dec %edx

+ jnz 2b

+1: ret

« no previous file with comments | « fusl/src/string/wmemset.c ('k') | fusl/src/string/x86_64/memmove.s » ('j') | no next file with comments »