To solve BZ89430 the followings are needed,
(1) The code below in noce_try_cmove_arith needs to be fixed.
/* ??? We could handle this if we knew that a load from A or B could
not trap or fault. This is also true if we've already loaded
from the address along the path from ENTRY. */
On 2/28/19 5:26 AM, JiangNing OS wrote:
> To solve BZ89430 the followings are needed,
>
> (1) The code below in noce_try_cmove_arith needs to be fixed.
>
> /* ??? We could handle this if we knew that a load from A or B could
> not trap or fault. This is also true if we've already loaded
>
On Thu, Feb 28, 2019 at 1:26 PM JiangNing OS
wrote:
>
> To solve BZ89430 the followings are needed,
>
> (1) The code below in noce_try_cmove_arith needs to be fixed.
>
> /* ??? We could handle this if we knew that a load from A or B could
> not trap or fault. This is also true if we've alr
> -Original Message-
> From: Richard Biener
> Sent: Wednesday, May 8, 2019 3:35 PM
> To: JiangNing OS
> Cc: gcc-patches@gcc.gnu.org; Richard Biener ;
> pins...@gcc.gnu.org
> Subject: Re: Fixing ifcvt issue as exposed by BZ89430
>
> On Thu, Feb 28, 2019 at 1: