From: Maciej W. Rozycki <macro@linux-mips.org>
Date: Mon, 17 Sep 2007 16:11:07 +0000 (+0100)
Subject: [MIPS] cpu-bugs64.c: GCC 3.3 constraint workaround
X-Git-Tag: firefly_0821_release~26467^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=09abbcffb3ee63fb8712c008df0c6878860777b7;p=firefly-linux-kernel-4.4.55.git

[MIPS] cpu-bugs64.c: GCC 3.3 constraint workaround

Add a workaround to address warnings generated on the "n" constraint by
GCC 3.3 and below.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index ac04f0adc408..6648fde20b96 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003, 2004  Maciej W. Rozycki
+ * Copyright (C) 2003, 2004, 2007  Maciej W. Rozycki
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -29,7 +29,7 @@ static inline void align_mod(const int align, const int mod)
 		".endr\n\t"
 		".set	pop"
 		:
-		: "rn" (align), "rn" (mod));
+		: GCC_IMM_ASM (align), GCC_IMM_ASM (mod));
 }
 
 static inline void mult_sh_align_mod(long *v1, long *v2, long *w,
diff --git a/include/asm-mips/compiler.h b/include/asm-mips/compiler.h
index 169ae26105e9..aa6b876bbd78 100644
--- a/include/asm-mips/compiler.h
+++ b/include/asm-mips/compiler.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004  Maciej W. Rozycki
+ * Copyright (C) 2004, 2007  Maciej W. Rozycki
  *
  * 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
@@ -9,8 +9,10 @@
 #define _ASM_COMPILER_H
 
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#define GCC_IMM_ASM "n"
 #define GCC_REG_ACCUM "$0"
 #else
+#define GCC_IMM_ASM "rn"
 #define GCC_REG_ACCUM "accum"
 #endif