X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fstring%2Fi386%2Fmemcpy.s;fp=src%2Fstring%2Fi386%2Fmemcpy.s;h=b2977c89286628ad51afc1733d79e6ae5bd0415d;hp=0000000000000000000000000000000000000000;hb=aaa9eb5101e3a748218fb9373dd9655b50582da2;hpb=036eaa24cf573c69982ba18dd427de68f6eeba2a

diff --git a/src/string/i386/memcpy.s b/src/string/i386/memcpy.s
new file mode 100644
index 00000000..b2977c89
--- /dev/null
+++ b/src/string/i386/memcpy.s
@@ -0,0 +1,29 @@
+.global memcpy
+.type memcpy,@function
+memcpy:
+	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