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

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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
This commit is contained in:
Roger Sayle 2006-06-23 02:01:30 +00:00 committed by Roger Sayle
parent f64ad1d319
commit e577c8c0bb
2 changed files with 12 additions and 3 deletions

7
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

8
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));