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| author | Jeff Law <law@redhat.com> | 2004-09-24 16:31:13 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2004-09-24 16:31:13 -0600 |
| commit | b8545fbfe5d64073614eb66c7e1c1cae74e7c082 (patch) | |
| tree | e2e3161744f43a803583585dbfa4f56ae8e514a4 /gcc | |
| parent | 018a4785065ba0b5164d5aae330613e42c5653ac (diff) | |
| download | gcc-b8545fbfe5d64073614eb66c7e1c1cae74e7c082.zip gcc-b8545fbfe5d64073614eb66c7e1c1cae74e7c082.tar.gz gcc-b8545fbfe5d64073614eb66c7e1c1cae74e7c082.tar.bz2 | |
tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict aliasing rules.
* tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
aliasing rules.
(simplify_cond_and_lookup_avail_expr): Likewise.
From-SVN: r88077
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-dom.c | 11 |
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ddfa56b..9ff33e2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-09-24 Jeff Law <law@redhat.com> + + * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict + aliasing rules. + (simplify_cond_and_lookup_avail_expr): Likewise. + 2004-09-24 Joseph S. Myers <jsm@polyomino.org.uk> PR c/12802 diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 97ee199..8bce1c3 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -978,7 +978,7 @@ dom_opt_finalize_block (struct dom_walk_data *walk_data, basic_block bb) while (VARRAY_ACTIVE_SIZE (vrp_variables_stack) > 0) { tree var = VARRAY_TOP_TREE (vrp_variables_stack); - struct vrp_hash_elt vrp_hash_elt; + struct vrp_hash_elt vrp_hash_elt, *vrp_hash_elt_p; void **slot; /* Each variable has a stack of value range records. We want to @@ -998,7 +998,9 @@ dom_opt_finalize_block (struct dom_walk_data *walk_data, basic_block bb) slot = htab_find_slot (vrp_data, &vrp_hash_elt, NO_INSERT); - var_vrp_records = (*(struct vrp_hash_elt **)slot)->records; + vrp_hash_elt_p = (struct vrp_hash_elt *) *slot; + var_vrp_records = vrp_hash_elt_p->records; + while (VARRAY_ACTIVE_SIZE (var_vrp_records) > 0) { struct vrp_element *element @@ -1894,7 +1896,7 @@ simplify_cond_and_lookup_avail_expr (tree stmt, int lowequal, highequal, swapped, no_overlap, subset, cond_inverted; varray_type vrp_records; struct vrp_element *element; - struct vrp_hash_elt vrp_hash_elt; + struct vrp_hash_elt vrp_hash_elt, *vrp_hash_elt_p; void **slot; /* First see if we have test of an SSA_NAME against a constant @@ -1944,7 +1946,8 @@ simplify_cond_and_lookup_avail_expr (tree stmt, if (slot == NULL) return NULL; - vrp_records = (*(struct vrp_hash_elt **)slot)->records; + vrp_hash_elt_p = (struct vrp_hash_elt *) *slot; + vrp_records = vrp_hash_elt_p->records; if (vrp_records == NULL) return NULL; |