Hi Segher!
on 2022/6/28 00:02, Segher Boessenkool wrote:
> Hi!
>
> On Mon, Jun 27, 2022 at 05:35:03PM +0800, Kewen.Lin wrote:
>> -(define_insn "*rotl3_insert_4"
>> - [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
>> -(ior:GPR (and:GPR (match_operand:GPR 3 "gpc_reg_operand" "0")
>> -
Hi!
On Mon, Jun 27, 2022 at 05:35:03PM +0800, Kewen.Lin wrote:
> -(define_insn "*rotl3_insert_4"
> - [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
> - (ior:GPR (and:GPR (match_operand:GPR 3 "gpc_reg_operand" "0")
> - (match_operand:GPR 4 "const_int_operand" "n"))
>
Hi,
define_insn *rotl3_insert_4 use mode iterator GPR which
consists of SImode and conditional DImode, but the condition
of this define_insn requires the mode should be SImode. By
further checking, it's found that the rldimi instruction can
not be used for this pattern since the required mask can
