diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-16 12:31:51 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-16 12:31:51 +0000 |
| commit | 8d59920197b021ec821b87fbf6db1f93767a751d (patch) | |
| tree | b4ae6616a618305a5afad4b78279d4779209210a /gcc/tree-vrp.c | |
| parent | 2a239fcc314dcda7c629c0e40be38825f84a64b0 (diff) | |
| download | gcc-8d59920197b021ec821b87fbf6db1f93767a751d.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140387 138bc75d-0d04-0410-961f-82ee72b054a4
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 31d7f10aa13..fbcda55fc2a 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) |