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| author | Richard Henderson <rth@redhat.com> | 2004-09-12 19:28:19 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-09-12 19:28:19 -0700 |
| commit | 84cce55d0e1acc39d7b5bb44403eb0e1e61fc7b6 (patch) | |
| tree | efa4c7cf22e184883607e95aae594bdc7e8b1fa1 | |
| parent | 40b7c2f8d2a28381db12d703dc628fda304a1b89 (diff) | |
| download | gcc-84cce55d0e1acc39d7b5bb44403eb0e1e61fc7b6.zip gcc-84cce55d0e1acc39d7b5bb44403eb0e1e61fc7b6.tar.gz gcc-84cce55d0e1acc39d7b5bb44403eb0e1e61fc7b6.tar.bz2 | |
re PR tree-optimization/10528 (Unexpected loop un-optimization when removing a field of a class)
PR tree-opt/10528
* tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
after copying its argument.
From-SVN: r87423
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-inline.c | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5a704a1..ce26d86 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-09-13 Richard Henderson <rth@redhat.com> + + PR tree-opt/10528 + * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR, + after copying its argument. + 2004-09-13 Joseph S. Myers <jsm@polyomino.org.uk> * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c, diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 6286f8a..82b7857 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -619,6 +619,16 @@ copy_body_r (tree *tp, int *walk_subtrees, void *data) TREE_OPERAND (*tp, 1) = TREE_OPERAND (*tp, 3); TREE_OPERAND (*tp, 3) = NULL_TREE; } + + /* Variable substitution need not be simple. In particular, the + INDIRECT_REF substitution above. Make sure that TREE_CONSTANT + and friends are up-to-date. */ + else if (TREE_CODE (*tp) == ADDR_EXPR) + { + walk_tree (&TREE_OPERAND (*tp, 0), copy_body_r, id, NULL); + recompute_tree_invarant_for_addr_expr (*tp); + *walk_subtrees = 0; + } } /* Keep iterating. */ |