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| author | Richard Biener <rguenther@suse.de> | 2014-04-17 13:50:55 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-04-17 13:50:55 +0000 |
| commit | b94970bc41f7b2c6ab28d52493f95efcf2fa97de (patch) | |
| tree | 7d3802317bcd2b113d5fef1e34026df49ccc04bb /gcc/tree-ssa-propagate.c | |
| parent | 92f0f3ec9210d529daa3271f6108e18600c9c2c3 (diff) | |
| download | gcc-b94970bc41f7b2c6ab28d52493f95efcf2fa97de.zip gcc-b94970bc41f7b2c6ab28d52493f95efcf2fa97de.tar.gz gcc-b94970bc41f7b2c6ab28d52493f95efcf2fa97de.tar.bz2 | |
re PR tree-optimization/60849 (bogus comparison result type)
2014-04-17 Richard Biener <rguenther@suse.de>
PR middle-end/60849
* tree-ssa-propagate.c (valid_gimple_rhs_p): Allow vector
comparison results and add clarifying comment.
From-SVN: r209486
Diffstat (limited to 'gcc/tree-ssa-propagate.c')
| -rw-r--r-- | gcc/tree-ssa-propagate.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/tree-ssa-propagate.c b/gcc/tree-ssa-propagate.c index 47fd154..59e46dc 100644 --- a/gcc/tree-ssa-propagate.c +++ b/gcc/tree-ssa-propagate.c @@ -572,9 +572,13 @@ valid_gimple_rhs_p (tree expr) break; case tcc_comparison: - if (!INTEGRAL_TYPE_P (TREE_TYPE (expr)) - || (TREE_CODE (TREE_TYPE (expr)) != BOOLEAN_TYPE - && TYPE_PRECISION (TREE_TYPE (expr)) != 1)) + /* GENERIC allows comparisons with non-boolean types, reject + those for GIMPLE. Let vector-typed comparisons pass - rules + for GENERIC and GIMPLE are the same here. */ + if (!(INTEGRAL_TYPE_P (TREE_TYPE (expr)) + && (TREE_CODE (TREE_TYPE (expr)) == BOOLEAN_TYPE + || TYPE_PRECISION (TREE_TYPE (expr)) == 1)) + && ! VECTOR_TYPE_P (TREE_TYPE (expr))) return false; /* Fallthru. */ |