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| author | Richard Guenther <rguenther@suse.de> | 2010-07-21 11:45:27 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-07-21 11:45:27 +0000 |
| commit | 35e3a6e946495735d49cd6914df2528acc54b16d (patch) | |
| tree | a555e3dcdaf2bc02ef5701b559e9a66712504d98 /gcc/gimple.c | |
| parent | 3f2930d891ecaca678a3351e31354b6e618bddaa (diff) | |
| download | gcc-35e3a6e946495735d49cd6914df2528acc54b16d.zip gcc-35e3a6e946495735d49cd6914df2528acc54b16d.tar.gz gcc-35e3a6e946495735d49cd6914df2528acc54b16d.tar.bz2 | |
re PR middle-end/45013 (Failed to build 483.xalancbmk in SPEC CPU 2006)
2010-07-21 Richard Guenther <rguenther@suse.de>
PR middle-end/45013
* tree-ssa.c (useless_type_conversion_p): Dispatch to
gimple_types_compatible_p only when in lto.
* gimple.c (gimple_types_compatible_p): Use canonical types
to speed up comparison.
From-SVN: r162371
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index a3b1bba..5ad79aa 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -3360,6 +3360,12 @@ gimple_types_compatible_p (tree t1, tree t2, bool for_merging_p) if (t1 == NULL_TREE || t2 == NULL_TREE) return 0; + /* If the types have been previously registered and found equal + they still are. */ + if (TYPE_CANONICAL (t1) + && TYPE_CANONICAL (t1) == TYPE_CANONICAL (t2)) + return 1; + /* Can't be the same type if the types don't have the same code. */ if (TREE_CODE (t1) != TREE_CODE (t2)) return 0; |