X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Fsparc%2Flib%2Fstrlen.S;h=536f83507fbff1dc669f998f5e6b7336812225a5;hb=35010334aa007480a833401b80922299cb1a15ef;hp=ed9a763368cd4f54632e2ad6e40472d53a3f889c;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6-omap-h63xx.git

diff --git a/arch/sparc/lib/strlen.S b/arch/sparc/lib/strlen.S
index ed9a763368c..536f83507fb 100644
--- a/arch/sparc/lib/strlen.S
+++ b/arch/sparc/lib/strlen.S
@@ -1,51 +1,40 @@
 /* strlen.S: Sparc optimized strlen code
  * Hand optimized from GNU libc's strlen
  * Copyright (C) 1991,1996 Free Software Foundation
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 1996,2008 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  */
 
+#include <linux/linkage.h>
+#include <asm/asm.h>
+
 #define LO_MAGIC 0x01010101
 #define HI_MAGIC 0x80808080
 
-0:
+	.text
+ENTRY(strlen)
+	mov	%o0, %o1
+	andcc	%o0, 3, %g0
+	BRANCH32(be, pt, 9f)
+	 sethi	%hi(HI_MAGIC), %o4
 	ldub	[%o0], %o5
-	cmp	%o5, 0
-	be	1f
+	BRANCH_REG_ZERO(pn, %o5, 11f)
 	 add	%o0, 1, %o0
 	andcc	%o0, 3, %g0
-	be	4f
+	BRANCH32(be, pn, 4f)
 	 or	%o4, %lo(HI_MAGIC), %o3
 	ldub	[%o0], %o5
-	cmp	%o5, 0
-	be	2f
+	BRANCH_REG_ZERO(pn, %o5, 12f)
 	 add	%o0, 1, %o0
 	andcc	%o0, 3, %g0
-	be	5f
+	BRANCH32(be, pt, 5f)
 	 sethi	%hi(LO_MAGIC), %o4
 	ldub	[%o0], %o5
-	cmp	%o5, 0
-	be	3f
+	BRANCH_REG_ZERO(pn, %o5, 13f)
 	 add	%o0, 1, %o0
-	b	8f
+	BRANCH32(ba, pt, 8f)
 	 or	%o4, %lo(LO_MAGIC), %o2
-1:
-	retl
-	 mov	0, %o0
-2:
-	retl
-	 mov	1, %o0
-3:
-	retl
-	 mov	2, %o0
-
-	.align 4
-	.global strlen
-strlen:
-	mov	%o0, %o1
-	andcc	%o0, 3, %g0
-	bne	0b
-	 sethi	%hi(HI_MAGIC), %o4
+9:
 	or	%o4, %lo(HI_MAGIC), %o3
 4:
 	sethi	%hi(LO_MAGIC), %o4
@@ -56,26 +45,36 @@ strlen:
 2:
 	sub	%o5, %o2, %o4
 	andcc	%o4, %o3, %g0
-	be	8b
+	BRANCH32(be, pt, 8b)
 	 add	%o0, 4, %o0
 
 	/* Check every byte. */
-	srl	%o5, 24, %g5
-	andcc	%g5, 0xff, %g0
-	be	1f
+	srl	%o5, 24, %g7
+	andcc	%g7, 0xff, %g0
+	BRANCH32(be, pn, 1f)
 	 add	%o0, -4, %o4
-	srl	%o5, 16, %g5
-	andcc	%g5, 0xff, %g0
-	be	1f
+	srl	%o5, 16, %g7
+	andcc	%g7, 0xff, %g0
+	BRANCH32(be, pn, 1f)
 	 add	%o4, 1, %o4
-	srl	%o5, 8, %g5
-	andcc	%g5, 0xff, %g0
-	be	1f
+	srl	%o5, 8, %g7
+	andcc	%g7, 0xff, %g0
+	BRANCH32(be, pn, 1f)
 	 add	%o4, 1, %o4
 	andcc	%o5, 0xff, %g0
-	bne,a	2b
+	BRANCH32_ANNUL(bne, pt, 2b)
 	 ld	[%o0], %o5
 	add	%o4, 1, %o4
 1:
 	retl
 	 sub	%o4, %o1, %o0
+11:
+	retl
+	 mov	0, %o0
+12:
+	retl
+	 mov	1, %o0
+13:
+	retl
+	 mov	2, %o0
+ENDPROC(strlen)