diff options
| author | Jeff Law <law@redhat.com> | 2013-09-20 11:43:08 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2013-09-20 11:43:08 -0600 |
| commit | 925f3871dba29771277bd1c5f8371d28f4156e6d (patch) | |
| tree | dea5bf5fd6e885552b98a8c5cd5bba33e22b4826 /gcc/tree-ssa-dom.c | |
| parent | b30c24df8c6cf53724cdbd0d0c2ca42af184c71e (diff) | |
| download | gcc-925f3871dba29771277bd1c5f8371d28f4156e6d.zip gcc-925f3871dba29771277bd1c5f8371d28f4156e6d.tar.gz gcc-925f3871dba29771277bd1c5f8371d28f4156e6d.tar.bz2 | |
* tree-ssa-dom.c (record_temporary_equivalences): Add comment.
From-SVN: r202789
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index f561386..f0cc0ee 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1070,6 +1070,10 @@ simplify_stmt_for_jump_threading (gimple stmt, return lookup_avail_expr (stmt, false); } +/* Record into the equivalence tables any equivalences implied by + traversing edge E (which are cached in E->aux). + + Callers are responsible for managing the unwinding markers. */ static void record_temporary_equivalences (edge e) { |