On 6/26/18 4:05 AM, Peryt, Sebastian wrote: > With some changes simplified implementation of my expansion is as follows: > tmp_op0 = gen_reg_rtx (mode); > emit_move_insn (tmp_op0, op0);
You set tmp_op0 here, and then.... > emit_insn (gen_rtx_SET (tmp_op0, reg)); You set it again here without ever using it above, so it's dead code, which explains why it's removed. Peter
