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author | Eric Botcazou <ebotcazou@adacore.com> | 2012-11-07 22:26:02 +0000 |
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committer | Eric Botcazou <ebotcazou@adacore.com> | 2012-11-07 22:26:02 +0000 |
commit | b60e5d16bc7c7c72604568ad2201714cbef5ebf3 (patch) | |
tree | 74bd2163ff68dcf5d867b4f057ef2ecff1bc162a /gcc/fold-const.c | |
parent | 7bb901a5ca3db4a7bb23d25acc1f32cd856301f0 (diff) |
PR middle-end/55219
* fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
the argument is itself a conditional expression.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@193312 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r-- | gcc/fold-const.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 62a4e218968..4fa1fd670aa 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5987,10 +5987,11 @@ fold_binary_op_with_conditional_arg (location_t loc, cond_code = VEC_COND_EXPR; /* This transformation is only worthwhile if we don't have to wrap ARG - in a SAVE_EXPR and the operation can be simplified on at least one - of the branches once its pushed inside the COND_EXPR. */ + in a SAVE_EXPR and the operation can be simplified without recursing + on at least one of the branches once its pushed inside the COND_EXPR. */ if (!TREE_CONSTANT (arg) && (TREE_SIDE_EFFECTS (arg) + || TREE_CODE (arg) == COND_EXPR || TREE_CODE (arg) == VEC_COND_EXPR || TREE_CONSTANT (true_value) || TREE_CONSTANT (false_value))) return NULL_TREE; |