From 05d66f13fd1c16283893589e9014a132bcfc9709 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Sat, 10 Mar 2001 21:45:42 +0000
Subject: Fix gcc 3.0 warning and IPv6 checksum bug.

---
 include/asm-mips/checksum.h | 206 +++++++++++++++++++++-----------------------
 1 file changed, 100 insertions(+), 106 deletions(-)

(limited to 'include/asm-mips')

diff --git a/include/asm-mips/checksum.h b/include/asm-mips/checksum.h
index 25e303e8c..186c9d6a6 100644
--- a/include/asm-mips/checksum.h
+++ b/include/asm-mips/checksum.h
@@ -1,10 +1,9 @@
-/* $Id: checksum.h,v 1.8 2000/02/18 00:24:48 ralf Exp $
- *
+/*
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
+ * Copyright (C) 1995, 1996, 1997, 1998, 2001 by Ralf Baechle
  */
 #ifndef _ASM_CHECKSUM_H
 #define _ASM_CHECKSUM_H
@@ -70,15 +69,15 @@ unsigned int csum_partial_copy(const char *src, char *dst, int len, unsigned int
  */
 static inline unsigned short int csum_fold(unsigned int sum)
 {
-	__asm__("
-	.set	noat            
-	sll	$1,%0,16
-	addu	%0,$1
-	sltu	$1,%0,$1
-	srl	%0,%0,16
-	addu	%0,$1
-	xori	%0,0xffff
-	.set	at"
+	__asm__(
+	".set\tnoat\t\t\t# csum_fold\n\t"
+	"sll\t$1,%0,16\n\t"
+	"addu\t%0,$1\n\t"
+	"sltu\t$1,%0,$1\n\t"
+	"srl\t%0,%0,16\n\t"
+	"addu\t%0,$1\n\t"
+	"xori\t%0,0xffff\n\t"
+	".set\tat"
 	: "=r" (sum)
 	: "0" (sum)
 	: "$1");
@@ -102,37 +101,36 @@ static inline unsigned short ip_fast_csum(unsigned char * iph,
 	/*
 	 * This is for 32-bit MIPS processors.
 	 */
-	__asm__ __volatile__("
-	.set	noreorder
-	.set	noat
-	lw	%0,(%1)
-	subu	%2,4
-	#blez	%2,2f
-	sll	%2,2			# delay slot
+	__asm__ __volatile__(
+	".set\tnoreorder\t\t\t# ip_fast_csum\n\t"
+	".set\tnoat\n\t"
+	"lw\t%0, (%1)\n\t"
+	"subu\t%2, 4\n\t"
+	"#blez\t%2, 2f\n\t"
+	" sll\t%2, 2\n\t"
+	"lw\t%3, 4(%1)\n\t"
+	"addu\t%2, %1\n\t"
+	"addu\t%0, %3\n\t"
+	"sltu\t$1, %0, %3\n\t"
+	"lw\t%3, 8(%1)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %3\n\t"
+	"sltu\t$1, %0, %3\n\t"
+	"lw\t%3, 12(%1)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %3\n\t"
+	"sltu\t$1, %0, %3\n\t"
+	"addu\t%0, $1\n"
 
-	lw	%3,4(%1)
-	addu	%2,%1			# delay slot
-	addu	%0,%3
-	sltu	$1,%0,%3
-	lw	%3,8(%1)
-	addu	%0,$1
-	addu	%0,%3
-	sltu	$1,%0,%3
-	lw	%3,12(%1)
-	addu	%0,$1
-	addu	%0,%3
-	sltu	$1,%0,%3
-	addu	%0,$1
+	"1:\tlw\t%3, 16(%1)\n\t"
+	"addiu\t%1, 4\n\t"
+	"addu\t%0, %3\n\t"
+	"sltu\t$1, %0, %3\n\t"
+	"bne\t%2, %1, 1b\n\t"
+	" addu\t%0, $1\n"
 
-1:	lw	%3,16(%1)
-	addiu	%1,4
-	addu	%0,%3
-	sltu	$1,%0,%3
-	bne	%2,%1,1b
-	addu	%0,$1			# delay slot
-
-2:	.set	at
-	.set	reorder"
+	"2:\t.set\tat\n\t"
+	".set\treorder"
 	: "=&r" (sum), "=&r" (iph), "=&r" (ihl), "=&r" (dummy)
 	: "1" (iph), "2" (ihl)
 	: "$1");
@@ -150,28 +148,28 @@ static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
                                                unsigned short proto,
                                                unsigned int sum)
 {
-    __asm__("
-	.set	noat
-	addu	%0,%2
-	sltu	$1,%0,%2
-	addu	%0,$1
+	__asm__(
+	".set\tnoat\t\t\t# csum_tcpudp_nofold\n\t"
+	"addu\t%0, %2\n\t"
+	"sltu\t$1, %0, %2\n\t"
+	"addu\t%0, $1\n\t"
 
-	addu	%0,%3
-	sltu	$1,%0,%3
-	addu	%0,$1
+	"addu\t%0, %3\n\t"
+	"sltu\t$1, %0, %3\n\t"
+	"addu\t%0, $1\n\t"
 
-	addu	%0,%4
-	sltu	$1,%0,%4
-	addu	%0,$1
-	.set	at"
+	"addu\t%0, %4\n\t"
+	"sltu\t$1, %0, %4\n\t"
+	"addu\t%0, $1\n\t"
+	".set\tat"
 	: "=r" (sum)
 	: "0" (daddr), "r"(saddr),
 #ifdef __MIPSEL__
-	    "r" ((ntohs(len)<<16)+proto*256),
+	  "r" ((ntohs(len)<<16)+proto*256),
 #else
-	    "r" (((proto)<<16)+len),
+	  "r" (((proto)<<16)+len),
 #endif
-	    "r"(sum)
+	  "r"(sum)
 	: "$1");
 
 	return sum;
@@ -206,64 +204,60 @@ static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr,
 						     unsigned short proto,
 						     unsigned int sum) 
 {
-	__asm__("
-		.set	noreorder
-		.set	noat
-		addu	%0,%5		# proto (long in network byte order)
-		sltu	$1,%0,%5
-		addu	%0,$1
+	__asm__(
+	".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"
+	".set\tnoat\n\t"
+	"addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"
+	"sltu\t$1, %0, %5\n\t"
+	"addu\t%0, $1\n\t"
 
-		addu	%0,%6		# csum
-		sltu	$1,%0,%6
-		lw	%1,0(%2)	# four words source address
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"addu\t%0, %6\t\t\t# csum\n\t"
+	"sltu\t$1, %0, %6\n\t"
+	"lw\t%1, 0(%2)\t\t\t# four words source address\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,4(%2)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 4(%2)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,8(%2)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 8(%2)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,12(%2)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 12(%2)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,0(%3)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 0(%3)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,4(%3)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 4(%3)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,8(%3)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
+	"lw\t%1, 8(%3)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
 
-		lw	%1,12(%3)
-		addu	%0,$1
-		addu	%0,%1
-		sltu	$1,%0,$1
-		.set	noat
-		.set	noreorder"
-		: "=r" (sum),
-		  "=r" (proto)
-		: "r" (saddr),
-		  "r" (daddr),
-		  "0" (htonl(len)),
-		  "1" (htonl(proto)),
-		  "r"(sum)
-		: "$1");
+	"lw\t%1, 12(%3)\n\t"
+	"addu\t%0, $1\n\t"
+	"addu\t%0, %1\n\t"
+	"sltu\t$1, %0, $1\n\t"
+	".set\tnoat\n\t"
+	".set\tnoreorder"
+	: "=r" (sum), "=r" (proto)
+	: "r" (saddr), "r" (daddr),
+	  "0" (htonl(len)), "1" (htonl(proto)), "r"(sum)
+	: "$1");
 
 	return csum_fold(sum);
 }
-- 
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