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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-20 17:43:08 +0000 |
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| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-20 17:43:08 +0000 |
| commit | 9358e89cc4ce3a0e9a34a76bdb13f43a8eea29a9 (patch) | |
| tree | dea5bf5fd6e885552b98a8c5cd5bba33e22b4826 /gcc/tree-ssa-dom.c | |
| parent | 2446efb923bd734f872b3ddc696b68c618c04c57 (diff) | |
| download | gcc-9358e89cc4ce3a0e9a34a76bdb13f43a8eea29a9.tar.gz | |
* tree-ssa-dom.c (record_temporary_equivalences): Add comment.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202789 138bc75d-0d04-0410-961f-82ee72b054a4
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 f5613862dcf..f0cc0ee728b 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) { |