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* tree-into-ssa.c: Remove obsolete comments.

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From-SVN: r96813
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Kazu Hirata 2005-03-21 17:04:24 +00:00 • committed by Kazu Hirata
parent 14bfd7c70d
commit af5d3a18b5
2 changed files with 7 additions and 6 deletions
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4
gcc/ChangeLog
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@ -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

9
gcc/tree-into-ssa.c
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@ -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);