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

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

diff -u --recursive --new-file v2.1.29/linux/arch/sparc64/lib/strncmp.S linux/arch/sparc64/lib/strncmp.S
@@ -0,0 +1,31 @@
+/* $Id: strncmp.S,v 1.2 1997/03/11 17:51:44 jj Exp $
+ * Sparc64 optimized strncmp code.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+#include <asm/asi.h>
+
+	.text
+	.align 4
+	.global __strncmp, strncmp
+__strncmp:
+strncmp:
+	brlez,pn %o2, 3f
+	 lduba	[%o0] (ASI_PNF), %o3
+1:
+	add	%o0, 1, %o0
+	ldub	[%o1], %o4
+	brz,pn	%o3, 2f
+	 add	%o1, 1, %o1
+	cmp	%o3, %o4
+	bne,pn	%icc, 2f
+	 subcc	%o2, 1, %o2
+	bne,a,pt %xcc, 1b
+	 ldub	[%o0], %o3
+2:
+	retl
+	 sub	%o3, %o4, %o0
+3:
+	retl
+	 clr	%o0