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| author | Richard Guenther <rguenther@suse.de> | 2006-08-25 22:01:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2006-08-25 22:01:28 +0000 |
| commit | 459881189a60e313cbd9e35e415b7cc794289149 (patch) | |
| tree | 37f57e67d4c17934235b30eed8252327fa14a814 /gcc/fold-const.c | |
| parent | a942cc86f86a85fea1342c20091076126c917c34 (diff) | |
| download | gcc-459881189a60e313cbd9e35e415b7cc794289149.zip gcc-459881189a60e313cbd9e35e415b7cc794289149.tar.gz gcc-459881189a60e313cbd9e35e415b7cc794289149.tar.bz2 | |
re PR middle-end/28814 (in compare_values, at tree-vrp.c:415)
2006-08-26 Richard Guenther <rguenther@suse.de>
PR middle-end/28814
* fold-const.c (fold_binary): Fold temporary to correct
type before constructing new comparison.
* gcc.dg/torture/pr28814.c: New testcase.
From-SVN: r116439
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 277bd324..69db6c2 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10289,7 +10289,8 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1) && TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST && 0 != (tem = const_binop (TREE_CODE (arg0) == PLUS_EXPR ? MINUS_EXPR : PLUS_EXPR, - arg1, TREE_OPERAND (arg0, 1), 0)) + fold_convert (TREE_TYPE (arg0), arg1), + TREE_OPERAND (arg0, 1), 0)) && ! TREE_CONSTANT_OVERFLOW (tem)) return fold_build2 (code, type, TREE_OPERAND (arg0, 0), tem); |