diff options
Diffstat (limited to 'gcc/expr.c')
-rw-r--r-- | gcc/expr.c | 15 |
1 files changed, 11 insertions, 4 deletions
@@ -7899,16 +7899,23 @@ expand_expr (exp, target, tmode, modifier) } } + if (! safe_from_p (subtarget, TREE_OPERAND (exp, 1), 1)) + subtarget = 0; + /* No sense saving up arithmetic to be done if it's all in the wrong mode to form part of an address. And force_operand won't know whether to sign-extend or zero-extend. */ if ((modifier != EXPAND_SUM && modifier != EXPAND_INITIALIZER) || mode != ptr_mode) - goto binop; - - if (! safe_from_p (subtarget, TREE_OPERAND (exp, 1), 1)) - subtarget = 0; + { + op0 = expand_expr (TREE_OPERAND (exp, 0), subtarget, VOIDmode, 0); + op1 = expand_expr (TREE_OPERAND (exp, 1), NULL_RTX, VOIDmode, 0); + temp = simplify_binary_operation (PLUS, mode, op0, op1); + if (temp) + return temp; + goto binop2; + } op0 = expand_expr (TREE_OPERAND (exp, 0), subtarget, VOIDmode, modifier); op1 = expand_expr (TREE_OPERAND (exp, 1), NULL_RTX, VOIDmode, modifier); |