From: Roger Sayle <roger@eyesopen.com>
Date: Fri, 23 Jun 2006 02:01:30 +0000 (+0000)
Subject: re PR middle-end/28131 (FAIL: gcc.c-torture/execute/va-arg-25.c compilation (ICE))
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e577c8c0bb93347b9bb056a4620e9ae7ff4124dc;p=platform%2Fupstream%2Fgcc.git

re PR middle-end/28131 (FAIL: gcc.c-torture/execute/va-arg-25.c compilation (ICE))

2006-06-22  Roger Sayle  <roger@eyesopen.com>
	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/28131
	* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
	call to lang_hooks.types.type_for_mode returned NULL_TREE.


Co-Authored-By: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>

From-SVN: r114923
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8777019..6574cc8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2006-06-22  Roger Sayle  <roger@eyesopen.com>
+	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR middle-end/28131
+	* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
+	call to lang_hooks.types.type_for_mode returned NULL_TREE.
+
 2006-06-23  Ben Elliston  <bje@au.ibm.com>
 
 	* dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
diff --git a/gcc/expr.c b/gcc/expr.c
index 562588a..e46e3e7 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6945,9 +6945,11 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
 	    || GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT)
 	  return const_vector_from_tree (exp);
 	if (GET_MODE_CLASS (mode) == MODE_INT)
-	  tmp = fold_unary (VIEW_CONVERT_EXPR,
-			    lang_hooks.types.type_for_mode (mode, 1),
-			    exp);
+	  {
+	    tree type_for_mode = lang_hooks.types.type_for_mode (mode, 1);
+	    if (type_for_mode)
+	      tmp = fold_unary (VIEW_CONVERT_EXPR, type_for_mode, exp);
+	  }
 	if (!tmp)
 	  tmp = build_constructor_from_list (type,
 					     TREE_VECTOR_CST_ELTS (exp));