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| author | Roger Sayle <roger@eyesopen.com> | 2005-12-02 04:40:05 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-12-02 04:40:05 +0000 |
| commit | 87f2a9f57bfc1a95934202110badb4d1a31409ed (patch) | |
| tree | 47739b99c89ff7ea1c1f4167c8dc616b6a27c981 /gcc/tree-vrp.c | |
| parent | cf84391c40d0f336cd8e5981ab7cae08fcde341e (diff) | |
| download | gcc-87f2a9f57bfc1a95934202110badb4d1a31409ed.zip gcc-87f2a9f57bfc1a95934202110badb4d1a31409ed.tar.gz gcc-87f2a9f57bfc1a95934202110badb4d1a31409ed.tar.bz2 | |
tree.h (TREE_OVERFLOW): Make this flag/predicate specific to constant nodes, i.e.
* tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
* tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
integer constant comparisons.
ada/
* utils.c (max_size): Only test for TREE_OVERFLOW on INTEGER_CST
nodes.
From-SVN: r107870
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index af632e6..0797b5c 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -528,12 +528,14 @@ compare_values (tree val1, tree val2) if (!is_gimple_min_invariant (val1) || !is_gimple_min_invariant (val2)) return -2; - /* We cannot compare overflowed values. */ - if (TREE_OVERFLOW (val1) || TREE_OVERFLOW (val2)) - return -2; - if (!POINTER_TYPE_P (TREE_TYPE (val1))) - return tree_int_cst_compare (val1, val2); + { + /* We cannot compare overflowed values. */ + if (TREE_OVERFLOW (val1) || TREE_OVERFLOW (val2)) + return -2; + + return tree_int_cst_compare (val1, val2); + } else { tree t; |