[PATCH] Fix PR69291, RTL if-conversion bug

[Bernd Schmidt]

On 02/10/2016 02:33 PM, Richard Biener wrote:
>
> But if you prefer I can instead test the following
>
> Index: gcc/ifcvt.c
> ===================================================================
> --- gcc/ifcvt.c (revision 233262)
> +++ gcc/ifcvt.c (working copy)
> @@ -1274,7 +1274,7 @@ noce_try_store_flag_constants (struct no
>         && CONST_INT_P (XEXP (a, 1))
>         && CONST_INT_P (XEXP (b, 1))
>         && rtx_equal_p (XEXP (a, 0), XEXP (b, 0))
> -      && noce_operand_ok (XEXP (a, 0))
> +      && REG_P (XEXP (a, 0))
>         && if_info->branch_cost >= 2)

I think I prefer this, but actually maybe OBJECT_P is safe enough.


Bernd