patch-2.1.30 linux/arch/sparc64/lib/memcmp.S

• Lines: 30
• Date: Thu Mar 20 16:43:32 1997
• Orig file: v2.1.29/linux/arch/sparc64/lib/memcmp.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.29/linux/arch/sparc64/lib/memcmp.S linux/arch/sparc64/lib/memcmp.S
@@ -0,0 +1,29 @@
+/* $Id: memcmp.S,v 1.1 1997/03/14 21:04:23 jj Exp $
+ * Sparc64 optimized memcmp code.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+	.text
+	.align 4
+	.globl __memcmp, memcmp
+__memcmp:
+memcmp:
+	brlez,pn %o2, 2f
+	 sub	%g0, %o2, %o3
+	add	%o0, %o2, %o0
+	add	%o1, %o2, %o1
+	ldub	[%o0 + %o3], %o4
+1:
+	ldub	[%o1 + %o3], %o5
+	sub	%o4, %o5, %o4
+	brnz,pn	%o4, 3f
+	 addcc	%o3, 1, %o3
+	bne,a,pt %xcc, 1b
+	 ldub	[%o0 + %o3], %o5
+2:
+	retl
+	 clr	%o0
+3:
+	retl
+	 mov	%o4, %o0