> -Original Message-
> From: Richard Earnshaw
> Sent: 21 March 2014 13:57
> To: Ian Bolton
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH, ARM] Optimise NotDI AND/OR ZeroExtendSI for ARMv7A
>
> On 19/03/14 16:53, Ian Bolton wrote:
> > This is a
On 19/03/14 16:53, Ian Bolton wrote:
> This is a follow-on patch to one already committed:
> http://gcc.gnu.org/ml/gcc-patches/2014-02/msg01128.html
>
> It implements patterns to simplify our RTL as follows:
>
> OR (Not:DI (A:DI), ZeroExtend:DI (B:SI))
> --> the top half can be done with a MVN