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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-12-16 12:47:40 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-12-16 12:47:40 +0000 |
| commit | 04bdcc7637d265d029ca16b825e6c8845e045537 (patch) | |
| tree | 5789822efe7fb747e4a9fe7b9270d1ab9afe0c66 /gcc/tree-chrec.c | |
| parent | b3f6f6371579def7ebf78376c7e96dd4f7ddc406 (diff) | |
| download | gcc-04bdcc7637d265d029ca16b825e6c8845e045537.tar.gz | |
* tree-chrec.c (chrec_convert_1): Only fold (T2)(t +- x) to
(T2)t +- (T2)x if only integer types are involved.
* gcc.c-torture/compile/20091215-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155288 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-chrec.c')
| -rw-r--r-- | gcc/tree-chrec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-chrec.c b/gcc/tree-chrec.c index 9711e20b5be..18ed4ed2a38 100644 --- a/gcc/tree-chrec.c +++ b/gcc/tree-chrec.c @@ -1293,6 +1293,8 @@ keep_cast: if (use_overflow_semantics && (TREE_CODE (chrec) == PLUS_EXPR || TREE_CODE (chrec) == MINUS_EXPR) + && TREE_CODE (type) == INTEGER_TYPE + && TREE_CODE (ct) == INTEGER_TYPE && TYPE_PRECISION (type) > TYPE_PRECISION (ct) && TYPE_OVERFLOW_UNDEFINED (ct)) res = fold_build2 (TREE_CODE (chrec), type, |