re PR tree-optimization/64199 (ICE: tree check: expected class 'constant', have ...

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.

From-SVN: r218513

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a5de9ee59ad3daec6cd7d4ed4c211fa80df0056..0997ef4f3128cd9bc9f67afeaf6d17a9c8bb9aaa 100644 (file)
--- 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
index 94d1cbfc2b238f53ddbb9035646c0e19d1dacaa1..0c4fe4000700aaa2b305991f39e3fd35370bf6f0 100644 (file)
--- 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
index 31f740dba876673eb00a3471c03294071188a890..fbd11360617a6c04b534b3ce46e5aa95e3637c25 100644 (file)
--- 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
new file mode 100644 (file)
index 0000000..e3f1002
--- /dev/null
+++ 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;
+}