patch-2.3.40 linux/arch/arm/lib/memchr.S

• Lines: 25
• Date: Thu Jan 13 13:30:31 2000
• Orig file: v2.3.39/linux/arch/arm/lib/memchr.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.39/linux/arch/arm/lib/memchr.S linux/arch/arm/lib/memchr.S
@@ -0,0 +1,24 @@
+/*
+ * linux/arch/arm/lib/memchr.S
+ *
+ * Copyright (C) 1995-1999 Russell King
+ *
+ * ASM optimised string functions
+ *
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include "constants.h"
+
+		.text
+ENTRY(memchr)
+		str	lr, [sp, #-4]!
+1:		ldrb	r3, [r0], #1
+		teq	r3, r1
+		beq	2f
+		subs	r2, r2, #1
+		bpl	1b
+2:		movne	r0, #0
+		subeq	r0, r0, #1
+		LOADREGS(fd, sp!, {pc})
+