On 4/28/20 2:38 AM, Richard Sandiford wrote: > case RTX_BIN_ARITH: > case RTX_COMM_ARITH: > op0 = simplify_replace_fn_rtx (XEXP (x, 0), old_rtx, fn, data); > op1 = simplify_replace_fn_rtx (XEXP (x, 1), old_rtx, fn, data); > if (op0 == XEXP (x, 0) && op1 == XEXP (x, 1)) > return x; > return simplify_gen_binary (code, mode, op0, op1);
Is there a reason you use simplify_replace_fn_rtx here, rather than just using op0 = simplify_rtx (XEXP (x, 0))? Ditto for op1. Does simplify_replace_fn_rtx do something that simplify_rtx doesn't? Peter
