From: Richard Guenther <rguenther@suse.de>
Date: Wed, 5 Oct 2011 09:31:40 +0000 (+0000)
Subject: re PR middle-end/50609 (FAIL: gcc.c-torture/execute/pr23135.c compilation,  -O2 ... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eb8f1123d9a6e25c288cac5a34e050c5292fd5b6;p=gcc.git

re PR middle-end/50609 (FAIL: gcc.c-torture/execute/pr23135.c compilation,  -O2 -flto (ICE))

2011-10-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50609
	* gimple-fold.c (fold_array_ctor_reference): Also handle
	vector typed constructors.
	(fold_ctor_reference): Dispatch to fold_array_ctor_reference
	for vector typed constructors.

From-SVN: r179540
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9147e87c188..21910f23a67 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2011-10-05  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/50609
+	* gimple-fold.c (fold_array_ctor_reference): Also handle
+	vector typed constructors.
+	(fold_ctor_reference): Dispatch to fold_array_ctor_reference
+	for vector typed constructors.
+
 2011-10-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.c (ix86_emit_binop): New static function.
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c
index f8e5035e297..179535ef566 100644
--- a/gcc/gimple-fold.c
+++ b/gcc/gimple-fold.c
@@ -2747,10 +2747,12 @@ fold_array_ctor_reference (tree type, tree ctor,
   double_int low_bound, elt_size;
   double_int index, max_index;
   double_int access_index;
-  tree domain_type = TYPE_DOMAIN (TREE_TYPE (ctor));
+  tree domain_type = NULL_TREE;
   HOST_WIDE_INT inner_offset;
 
   /* Compute low bound and elt size.  */
+  if (TREE_CODE (TREE_TYPE (ctor)) == ARRAY_TYPE)
+    domain_type = TYPE_DOMAIN (TREE_TYPE (ctor));
   if (domain_type && TYPE_MIN_VALUE (domain_type))
     {
       /* Static constructors for variably sized objects makes no sense.  */
@@ -2917,7 +2919,8 @@ fold_ctor_reference (tree type, tree ctor, unsigned HOST_WIDE_INT offset,
   if (TREE_CODE (ctor) == CONSTRUCTOR)
     {
 
-      if (TREE_CODE (TREE_TYPE (ctor)) == ARRAY_TYPE)
+      if (TREE_CODE (TREE_TYPE (ctor)) == ARRAY_TYPE
+	  || TREE_CODE (TREE_TYPE (ctor)) == VECTOR_TYPE)
 	return fold_array_ctor_reference (type, ctor, offset, size);
       else
 	return fold_nonarray_ctor_reference (type, ctor, offset, size);