diff mbox

Fix PR64199

Message ID alpine.LSU.2.11.1412091250320.8254@zhemvz.fhfr.qr
State New
Headers show

Commit Message

Richard Biener Dec. 9, 2014, 11:51 a.m. UTC 
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

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.
diff mbox

Patch

Index: gcc/fold-const.c
===================================================================
--- gcc/fold-const.c	(revision 218479)
+++ gcc/fold-const.c	(working copy)
@@ -10398,8 +10415,8 @@  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)
Index: gcc/testsuite/gcc.dg/torture/pr64199.c
===================================================================
--- gcc/testsuite/gcc.dg/torture/pr64199.c	(revision 0)
+++ gcc/testsuite/gcc.dg/torture/pr64199.c	(working copy)
@@ -0,0 +1,8 @@ 
+/* { dg-do compile } */
+/* { dg-additional-options "-ffast-math -frounding-math" } */
+
+float
+foo (void)
+{
+  return 1.1f + 2.2f + 2.2f;
+}