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| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-21 17:04:24 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-21 17:04:24 +0000 |
| commit | 71797bf6e4dcb7f4e702743833dee08a40e80d93 (patch) | |
| tree | b606d6bd4cf292fe00c018f6c1262177977ad7f2 | |
| parent | a11c2c4d46a14dfbedaf2b06fadf2cdd4bc7c3c8 (diff) | |
| download | ppe42-gcc-71797bf6e4dcb7f4e702743833dee08a40e80d93.tar.gz ppe42-gcc-71797bf6e4dcb7f4e702743833dee08a40e80d93.zip | |
* tree-into-ssa.c: Remove obsolete comments.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96813 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree-into-ssa.c | 9 |
2 files changed, 7 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 68a02d24975..580e7bb8182 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-03-21 Kazu Hirata <kazu@cs.umass.edu> + + * tree-into-ssa.c: Remove obsolete comments. + 2005-03-21 Richard Guenther <rguenth@gcc.gnu.org> * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index 37ad103c67f..46470a407bb 100644 --- a/gcc/tree-into-ssa.c +++ b/gcc/tree-into-ssa.c @@ -1271,9 +1271,8 @@ mark_def_site_blocks (void) those variables are removed from the flow graph so that they can be computed again. - 2- Compute dominance frontier and immediate dominators, needed to - insert PHI nodes and rename the function in dominator tree - order. + 2- Compute dominance frontier, needed to insert PHI nodes and + rename the function in dominator tree order. 3- Find and mark all the blocks that define variables (mark_def_site_blocks). @@ -1319,9 +1318,7 @@ rewrite_into_ssa (bool all) mark_def_site_blocks (); - /* Initialize dominance frontier and immediate dominator bitmaps. - Also count the number of predecessors for each block. Doing so - can save significant time during PHI insertion for large graphs. */ + /* Initialize dominance frontier. */ dfs = (bitmap *) xmalloc (last_basic_block * sizeof (bitmap *)); FOR_EACH_BB (bb) dfs[bb->index] = BITMAP_ALLOC (NULL); |
