diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 97c435f..ac65dcf 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6587,6 +6587,13 @@ fold_binary_op_with_conditional_arg (location_t loc, tree rhs = NULL_TREE; enum tree_code cond_code = COND_EXPR; + /* Do not move possibly trapping operations into the conditional as this + pessimizes code and causes gimplification issues when applied late. */ + if (operation_could_trap_p (code, FLOAT_TYPE_P (type), + ANY_INTEGRAL_TYPE_P (type) + && TYPE_OVERFLOW_TRAPS (type), op1)) + return NULL_TREE; + if (TREE_CODE (cond) == COND_EXPR || TREE_CODE (cond) == VEC_COND_EXPR) { |