Re: [PATCH] LoongArch: fix signed overflow in loongarch_emit_int_compare

[Xi Ruoyao via Gcc-patches]

On Sun, 2022-11-06 at 09:46 +0800, Lulu Cheng wrote:
> I think it should be here:
> 
>               if (!increment && !decrement)
>                  continue;
> 
> +             if ((increment && rhs == HOST_WIDE_INT_MAX)
> +                 || (decrement && rhs == HOST_WIDE_INT_MIN))
> +               break;
> +
> 
> It is not necessary to continue when *code matches one of 
> mag_comparisons[i].

Ah yes, I misread the code :(.

-- 
Xi Ruoyao <xry...@xry111.site>
School of Aerospace Science and Technology, Xidian University