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| author | Andrew Pinski <pinskia@physics.uc.edu> | 2004-09-20 20:53:08 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2004-09-20 13:53:08 -0700 |
| commit | b1940f0c232babf4881370b05354fa78f8d922f4 (patch) | |
| tree | a6cabef772eaf0f0b3ab7b827165ef6bccbf8bc5 | |
| parent | 1a94c545f042021777073269af02e9f9b4fec043 (diff) | |
| download | gcc-b1940f0c232babf4881370b05354fa78f8d922f4.zip gcc-b1940f0c232babf4881370b05354fa78f8d922f4.tar.gz gcc-b1940f0c232babf4881370b05354fa78f8d922f4.tar.bz2 | |
re PR tree-optimization/17558 (internal compiler error: in merge_alias_info, at tree-ssa-copy.c:182)
2004-09-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/17558
* tree-ssa-copy.c (may_propagate_copy): Only allow if the
aliasing sets are the same rather than just conflicting.
From-SVN: r87772
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-copy.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 79e80a5..40b125e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-09-20 Andrew Pinski <pinskia@physics.uc.edu> + + PR tree-opt/17558 + * tree-ssa-copy.c (may_propagate_copy): Only allow if the + aliasing sets are the same rather than just conflicting. + 2004-09-20 Jan Hubicka <jh@suse.cz> PR middle-end/16460 diff --git a/gcc/tree-ssa-copy.c b/gcc/tree-ssa-copy.c index 611bae7..447f149 100644 --- a/gcc/tree-ssa-copy.c +++ b/gcc/tree-ssa-copy.c @@ -112,8 +112,8 @@ may_propagate_copy (tree dest, tree orig) return false; else if (!lang_hooks.types_compatible_p (type_d, type_o)) return false; - else if (!alias_sets_conflict_p (get_alias_set (TREE_TYPE (type_d)), - get_alias_set (TREE_TYPE (type_o)))) + else if (get_alias_set (TREE_TYPE (type_d)) != + get_alias_set (TREE_TYPE (type_o))) return false; } |