From: Richard Guenther <rguenther@suse.de>
Date: Fri, 29 Jul 2011 09:57:03 +0000 (+0000)
Subject: builtins.c (fold_builtin_signbit): Build the comparison with a proper type.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=96d034961743d3bb13117469e1c43a404cd6facc;p=gcc.git

builtins.c (fold_builtin_signbit): Build the comparison with a proper type.

2011-07-29  Richard Guenther  <rguenther@suse.de>

	* builtins.c (fold_builtin_signbit): Build the comparison
	with a proper type.

From-SVN: r176922
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5653050796b..fad87a05171 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-29  Richard Guenther  <rguenther@suse.de>
+
+	* builtins.c (fold_builtin_signbit): Build the comparison
+	with a proper type.
+
 2011-07-29  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/49893
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 79a6b09e928..0ffacf9d445 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -8645,8 +8645,9 @@ fold_builtin_signbit (location_t loc, tree arg, tree type)
 
   /* If ARG's format doesn't have signed zeros, return "arg < 0.0".  */
   if (!HONOR_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (arg))))
-    return fold_build2_loc (loc, LT_EXPR, type, arg,
-			build_real (TREE_TYPE (arg), dconst0));
+    return fold_convert (type,
+			 fold_build2_loc (loc, LT_EXPR, boolean_type_node, arg,
+			build_real (TREE_TYPE (arg), dconst0)));
 
   return NULL_TREE;
 }