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| author | Per Bothner <per@bothner.com> | 2001-01-14 12:46:32 -0800 |
|---|---|---|
| committer | Per Bothner <bothner@gcc.gnu.org> | 2001-01-14 12:46:32 -0800 |
| commit | 00b4575d1eb041bac1d0b5f46f4e8e1e506de02c (patch) | |
| tree | 9e4aef705f18edbdce9dd190a5e5106926a873cd /gcc/java/parse.y | |
| parent | 521b92248e4ce84a4106887ac8104d820037717f (diff) | |
| download | gcc-00b4575d1eb041bac1d0b5f46f4e8e1e506de02c.zip gcc-00b4575d1eb041bac1d0b5f46f4e8e1e506de02c.tar.gz gcc-00b4575d1eb041bac1d0b5f46f4e8e1e506de02c.tar.bz2 | |
parse.y (java_complete_lhs case EXPR_WITH_FILE_LOCATION): If body is constant, return body without wrapper.
* parse.y (java_complete_lhs case EXPR_WITH_FILE_LOCATION): If body is
constant, return body without wrapper. (Improves constant folding.)
* lex.c (build_wfl_node): Clear TREE_TYPE from returned node.
From-SVN: r39017
Diffstat (limited to 'gcc/java/parse.y')
| -rw-r--r-- | gcc/java/parse.y | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/java/parse.y b/gcc/java/parse.y index 873de30..74e17fe 100644 --- a/gcc/java/parse.y +++ b/gcc/java/parse.y @@ -11485,9 +11485,9 @@ java_complete_lhs (node) EXPR_WFL_NODE (node) = body; TREE_SIDE_EFFECTS (node) = TREE_SIDE_EFFECTS (body); CAN_COMPLETE_NORMALLY (node) = CAN_COMPLETE_NORMALLY (body); - if (body == empty_stmt_node) + if (body == empty_stmt_node || TREE_CONSTANT (body)) { - /* Optimization; makes it easier to detect empty bodies. */ + /* Makes it easier to constant fold, detect empty bodies. */ return body; } if (body == error_mark_node) |