patch-2.2.18 linux/arch/arm/lib/strchr.S

• Lines: 26
• Date: Fri Sep 15 23:28:37 2000
• Orig file: v2.2.17/arch/arm/lib/strchr.S
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/arch/arm/lib/strchr.S linux/arch/arm/lib/strchr.S
@@ -0,0 +1,25 @@
+/*
+ * linux/arch/arm/lib/strchr.S
+ *
+ * Copyright (C) 1995-1999 Russell King
+ *
+ * ASM optimised string functions
+ *
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include "constants.h"
+
+		.text
+
+ENTRY(strchr)
+		ldrb	r2, [r0], #1
+		stmfd	sp!,{lr}	@ StrongARM: LDR not followed by use
+1:		teq	r2, r1
+		teqne	r2, #0
+		ldrneb	r2, [r0], #1
+		bne	1b
+		teq	r2, r1		@ If they are the same we found char.
+		movne	r0, #0
+		subeq	r0, r0, #1	@ Even if we were looking for 0 :-)
+		LOADREGS(fd, sp!, {pc})