gcc-patches@gcc.gnu.org
[Top] [All Lists]

Re: [i386 PATCH] Fix zero_extract == 0 -> and splitter (PR target/4168

Subject: Re: [i386 PATCH] Fix zero_extract == 0 -> and splitter PR target/41680
From: Uros Bizjak
Date: Mon, 12 Oct 2009 15:09:16 +0200
On Mon, Oct 12, 2009 at 1:45 PM, Jakub Jelinek <jakub@xxxxxxxxxx> wrote:

> 2009-10-12  Jakub Jelinek  <jakub@xxxxxxxxxx>
>
>        PR target/41680
>        * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
>        paradoxical subregs to prevent partial register stalls if the inner
>        mode is integer mode.
>
>        * g++.dg/torture/pr41680.C: New test.

OK.

Thanks,
Uros.

<Prev in Thread] Current Thread [Next in Thread>