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| author | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-05-26 19:20:06 +0000 |
|---|---|---|
| committer | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-05-26 19:20:06 +0000 |
| commit | d8f59dc292da2b88dba8a1d19d11342b03128d4e (patch) | |
| tree | 40db25021bf2b7c29f335616fb7afe894dbba83f /gcc/cp/semantics.c | |
| parent | f1ec9aeba3b9e072ed9162dd8f8886dee04219c5 (diff) | |
| download | gcc-d8f59dc292da2b88dba8a1d19d11342b03128d4e.tar.gz | |
cp:
PR g++/2823
* semantics.c (expand_body): Don't optimize thunks.
testsuite:
* g++.old-deja/g++.other/optimize2.C: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42650 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cp/semantics.c')
| -rw-r--r-- | gcc/cp/semantics.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index fe62bc5420e..7425f98f67c 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -2397,8 +2397,13 @@ expand_body (fn) timevar_push (TV_INTEGRATION); - /* Optimize the body of the function before expanding it. */ - optimize_function (fn); + /* Optimize the body of the function before expanding it. We do not + optimize thunks, as (1) the backend tries to optimize the call to + the thunkee, (b) the tree based inliner breaks that optimization, + (c) virtual functions are rarely inlineable, and (d) + ASM_OUTPUT_MI_THUNK is there to DTRT anyway. */ + if (!DECL_THUNK_P (fn)) + optimize_function (fn); timevar_pop (TV_INTEGRATION); timevar_push (TV_EXPAND); |