From: Eric Botcazou <ebotcazou@act-europe.fr>
Date: Wed, 25 Feb 2004 18:15:52 +0000 (+0100)
Subject: fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like comparisons with regard to... 
X-Git-Tag: releases/gcc-4.0.0~9858
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81fbecace5525cf0cb6d938652cfb997ddaab741;p=thirdparty%2Fgcc.git

fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like comparisons with regard to signedness.

	* fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
	comparisons with regard to signedness.

From-SVN: r78441
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8f405e757874..ae3865987895 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>
+
+	* fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
+	comparisons with regard to signedness.
+
 2004-02-25  Richard Earnshaw  <rearnsha@arm.com>
 
 	* arm.c (thumb_legitimize_address): New function.
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index eaefe0200050..2b2e874062bd 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -5423,7 +5423,10 @@ fold (tree expr)
 	  if (op == 0)
 	    continue;		/* Valid for CALL_EXPR, at least.  */
 
-	  if (kind == '<' || code == RSHIFT_EXPR)
+	  if (kind == '<'
+	      || code == MAX_EXPR
+	      || code == MIN_EXPR
+	      || code == RSHIFT_EXPR)
 	    {
 	      /* Signedness matters here.  Perhaps we can refine this
 		 later.  */