Hi Jeff!
On Mon, 2022-10-17 17:47:16 -0600, Jeff Law via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
> --- a/gcc/config/h8300/h8300.cc
> +++ b/gcc/config/h8300/h8300.cc
> @@ -5531,6 +5531,32 @@ h8300_ok_for_sibcall_p (tree fndecl, tree)
>
> return 1;
> }
> +
> +/* Return TRUE if OP is a PRE_INC or PRE_DEC
> + instruction using REG, FALSE otherwise. */
> +
> +bool
> +pre_incdec_with_reg (rtx op, int reg)
> +{
> + /* OP must be a MEM. */
> + if (GET_CODE (op) != MEM)
> + return false;
> +
> + /* The address must be a PRE_INC or PRE_DEC. */
> + op = XEXP (op, 0);
> + if (GET_CODE (op) != PRE_DEC && GET_CODE (op) != PRE_INC)
> + return false;
> +
> + /* It must be a register that is being incremented
> + or decremented. */
> + op = XEXP (op, 0);
> + if (!REG_P (op))
> + return false;
> +
> + /* Finally, check that the register number matches. */
> + return REGNO (op) == reg;This results in a new signed-vs-unsigned warning for me: [all 2022-10-25 00:41:11] ../../gcc/gcc/config/h8300/h8300.cc: In function 'bool pre_incdec_with_reg(rtx, int)': [all 2022-10-25 00:41:11] ../../gcc/gcc/config/h8300/h8300.cc:5557:21: error: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Werror=sign-compare] [all 2022-10-25 00:41:11] 5557 | return REGNO (op) == reg; Thanks, Jan-Benedict --
signature.asc
Description: PGP signature
