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| author | Daniel Berlin <dberlin@dberlin.org> | 2006-02-20 13:38:01 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2006-02-20 13:38:01 +0000 |
| commit | a6c550f98551764dab0f1d5492c993fa94426688 (patch) | |
| tree | 16d20e32d96535b3c2b5c91db8c2382c5b3fb541 /gcc/passes.c | |
| parent | cf9d76188a45f75f60b307b8a776279d6ad5e630 (diff) | |
| download | gcc-a6c550f98551764dab0f1d5492c993fa94426688.zip gcc-a6c550f98551764dab0f1d5492c993fa94426688.tar.gz gcc-a6c550f98551764dab0f1d5492c993fa94426688.tar.bz2 | |
tree.h (struct tree_memory_tag): Add is_used_alone member.
2006-02-20 Daniel Berlin <dberlin@dberlin.org>
* tree.h (struct tree_memory_tag): Add is_used_alone member.
(TMT_USED_ALONE): New macro.
* tree-pass.h (PROP_tmt_usage): New property.
(TODO_update_tmt_usage): New todo.
* tree-ssa-alias.c (updating_used_alone): New variable.
(recalculate_used_alone): New function.
(compute_may_aliases): Set updating_used_alone, call
recalculate_used_alone.
* tree-sra.c (pass_sra): Note that this pass destroys
PROP_tmt_usage, and add TODO_update_tmt_usage.
* tree-ssa-forwprop.c (pass_forwprop): Ditto.
* tree-flow.h (updating_used_alone): Prototype.
(recalculate_used_alone): Ditto.
* passes.c (execute_todo): Add code to set updating_used_alone,
and call recalculate.
* tree-ssa-operands.c (add_virtual_operand): Only append bare def
for clobber if used alone, and add assert to verify used_alone
status.
From-SVN: r111300
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index e088be1..43efc7f 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -718,8 +718,12 @@ execute_todo (unsigned int flags) flags &= ~last_verified; if (!flags) return; + + /* Always recalculate TMT usage before doing anything else. */ + if (flags & TODO_update_tmt_usage) + recalculate_used_alone (); - /* Always cleanup the CFG before doing anything else. */ + /* Always cleanup the CFG before trying to update SSA . */ if (flags & TODO_cleanup_cfg) { if (current_loops) @@ -822,6 +826,9 @@ execute_one_pass (struct tree_opt_pass *pass) gcc_assert ((curr_properties & pass->properties_required) == pass->properties_required); + if (pass->properties_destroyed & PROP_tmt_usage) + updating_used_alone = true; + /* If a dump file name is present, open it if enabled. */ if (pass->static_pass_number != -1) { @@ -888,6 +895,9 @@ execute_one_pass (struct tree_opt_pass *pass) dump_file = NULL; } + if (pass->properties_destroyed & PROP_tmt_usage) + updating_used_alone = false; + return true; } |