From f46e5baad61a5604120e22c7dfa3b77180f2e7ef Mon Sep 17 00:00:00 2001
From: Jeff Law <law@redhat.com>
Date: Thu, 19 Feb 2004 09:57:52 -0700
Subject: [PATCH] fold-const.c (invert_truthvalue): Do not call
invert_tree_comparison for unordered comparison codes.
* fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
for unordered comparison codes.
From-SVN: r78103
---
gcc/ChangeLog | 5 +++++
gcc/fold-const.c | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6e1808bcb317..f9fa2d3dd2c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-19 Jeff Law <law@redhat.com>
+
+ * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
+ for unordered comparison codes.
+
2004-02-19 Ian Lance Taylor <ian@wasabisystems.com>
* reload1.c (reload): Correct comment.
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index f9b7808cbe60..5b39098d0db8 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2636,6 +2636,14 @@ invert_truthvalue (tree arg)
&& code != NE_EXPR
&& code != EQ_EXPR)
return build1 (TRUTH_NOT_EXPR, type, arg);
+ else if (code == UNORDERED_EXPR
+ || code == ORDERED_EXPR
+ || code == UNEQ_EXPR
+ || code == UNLT_EXPR
+ || code == UNLE_EXPR
+ || code == UNGT_EXPR
+ || code == UNGE_EXPR)
+ return build1 (TRUTH_NOT_EXPR, type, arg);
else
return build (invert_tree_comparison (code), type,
TREE_OPERAND (arg, 0), TREE_OPERAND (arg, 1));
--
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