Create a branch for header work.

svn path=/branches/header-work/; revision=45691

lib/sdk/crt/mem/i386/memset_asm.s

@@ -0,0 +1,47 @@
+/* 
+ * $Id$
+ */
+
+/*
+ * void *memset (void *src, int val, size_t count)
+ */
+
+.globl	_memset
+
+_memset:
+	push	%ebp
+	mov	%esp,%ebp
+	push	%edi
+	mov	0x8(%ebp),%edi
+	movzb	0xc(%ebp),%eax
+	mov	0x10(%ebp),%ecx
+	cld
+	cmp	$16,%ecx
+	jb	.L1
+	mov	$0x01010101,%edx
+	mul	%edx
+	mov	%ecx,%edx
+	test	$3,%edi
+	je	.L2
+	mov	%edi,%ecx
+	and	$3,%ecx
+	sub	$5,%ecx
+	not	%ecx
+	sub	%ecx,%edx
+	rep	stosb
+	mov	%edx,%ecx
+.L2:
+	shr	$2,%ecx
+	rep	stosl
+	mov	%edx,%ecx
+	and	$3,%ecx
+.L1:	
+	test	%ecx,%ecx
+	je	.L3
+	rep	stosb
+.L3:
+	pop	%edi
+	mov	0x8(%ebp),%eax
+	leave
+	ret
+