2014-12-09 Richard Biener <rguenther@suse.de>

PR middle-end/64199 * fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P. * gcc.dg/torture/pr64199.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218513 138bc75d-0d04-0410-961f-82ee72b054a4
KeerthiVasudevan · Dec 9, 2014 · 1e25901 · 1e25901
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diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-09  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/64199
+	* fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P.
+
 2014-12-09  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/64191

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
@@ -10398,8 +10398,8 @@ fold_binary_loc (location_t loc,
 
 	      /* Don't introduce overflows through reassociation.  */
 	      if (!any_overflows
-		  && ((lit0 && TREE_OVERFLOW (lit0))
-		      || (minus_lit0 && TREE_OVERFLOW (minus_lit0))))
+		  && ((lit0 && TREE_OVERFLOW_P (lit0))
+		      || (minus_lit0 && TREE_OVERFLOW_P (minus_lit0))))
 		return NULL_TREE;
 
 	      if (minus_lit0)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-09  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/64199
+	* gcc.dg/torture/pr64199.c: New testcase.
+
 2014-12-09  Ilya Enkovich  <ilya.enkovich@intel.com>
 
 	* gcc.dg/lto/lto.exp: Load mpx-dg.exp.

diff --git a/gcc/testsuite/gcc.dg/torture/pr64199.c b/gcc/testsuite/gcc.dg/torture/pr64199.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-ffast-math -frounding-math" } */
+
+float
+foo (void)
+{
+  return 1.1f + 2.2f + 2.2f;
+}