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| author | Richard Guenther <rguenther@suse.de> | 2008-09-16 12:31:51 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-09-16 12:31:51 +0000 |
| commit | 9cb57027a39541712b049df895beda264d73d5ca (patch) | |
| tree | b4ae6616a618305a5afad4b78279d4779209210a /gcc/tree-vrp.c | |
| parent | 3a5c03fba05f67c5cf8a089b5cca55a3885dc61a (diff) | |
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re PR tree-optimization/37508 (ICE in in simplify_truth_ops_using_ranges, at tree-vrp.c:6334)
2008-09-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/37508
* tree-vrp.c (simplify_truth_ops_using_ranges): Also allow -1.
* gcc.dg/tree-ssa/pr37508.c: New testcase.
From-SVN: r140387
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 31d7f10..fbcda55 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -6331,7 +6331,8 @@ simplify_truth_ops_using_ranges (gimple_stmt_iterator *gsi, gimple stmt) /* Exclude anything that should have been already folded. */ gcc_assert (rhs_code == EQ_EXPR || rhs_code == NE_EXPR || rhs_code == TRUTH_XOR_EXPR); - gcc_assert (integer_zerop (op1) || integer_onep (op1)); + gcc_assert (integer_zerop (op1) || integer_onep (op1) + || integer_all_onesp (op1)); /* Limit the number of cases we have to consider. */ if (rhs_code == EQ_EXPR) |