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| author | Daniel Berlin <dberlin@dberlin.org> | 2005-03-21 19:27:00 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-03-21 19:27:00 +0000 |
| commit | 013cc86f9abb27c545e61c6a3e872ca147040be7 (patch) | |
| tree | fa074c6a524b35099d5e619373b0066febd064c9 /gcc/tree-ssa-alias.c | |
| parent | d331e204024e2a74124880dd0dee8f4952fc9b26 (diff) | |
| download | gcc-013cc86f9abb27c545e61c6a3e872ca147040be7.zip gcc-013cc86f9abb27c545e61c6a3e872ca147040be7.tar.gz gcc-013cc86f9abb27c545e61c6a3e872ca147040be7.tar.bz2 | |
re PR tree-optimization/20542 (Bootstrap failure at -Os)
2005-03-18 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/20542
* tree-flow-inline.h (overlap_subvar): Move to here.
* tree-ssa-operands.c: From here.
* tree-flow.h (overlap_subvar): Declare.
* tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
* tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
for variables with subvars.
From-SVN: r96829
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 315463f..12a432b 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1992,12 +1992,7 @@ add_pointed_to_var (struct alias_info *ai, tree ptr, tree value) for (sv = svars; sv; sv = sv->next) { - if (offset == sv->offset && size == sv->size) - bitmap_set_bit (pi->pt_vars, var_ann (sv->var)->uid); - else if (offset >= sv->offset && offset < (sv->offset + sv->size)) - bitmap_set_bit (pi->pt_vars, var_ann (sv->var)->uid); - else if (offset < sv->offset - && (offset + size > sv->offset)) + if (overlap_subvar (offset, size, sv, NULL)) bitmap_set_bit (pi->pt_vars, var_ann (sv->var)->uid); } } |