diff options
| author | Steven Bosscher <stevenb@suse.de> | 2005-07-14 22:54:42 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2005-07-14 22:54:42 +0000 |
| commit | 3c341936db4cd869659d61387381c32fea5f01ab (patch) | |
| tree | b55834910ba7dbd2bb2989f26bcb51ca80c754c8 /gcc/tree-vrp.c | |
| parent | e8f35d4dc7ee49c5570aefcb53931aa30b30e70b (diff) | |
| download | gcc-3c341936db4cd869659d61387381c32fea5f01ab.zip gcc-3c341936db4cd869659d61387381c32fea5f01ab.tar.gz gcc-3c341936db4cd869659d61387381c32fea5f01ab.tar.bz2 | |
re PR tree-optimization/22230 (value range propagation error)
PR tree-optimization/22230
gcc/
* tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
the computation of the four cross productions for "range op range".
testsuite/
* gcc.dg/tree-ssa/pr22230.c: New test.
From-SVN: r102038
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index bcbc738..a42a21a 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -1183,7 +1183,7 @@ extract_range_from_binary_expr (value_range_t *vr, tree expr) ? vrp_int_const_binop (code, vr0.max, vr1.min) : NULL_TREE; - val[3] = (vr0.min != vr1.min && vr0.max != vr1.max) + val[3] = (vr0.min != vr0.max && vr1.min != vr1.max) ? vrp_int_const_binop (code, vr0.max, vr1.max) : NULL_TREE; |