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Re: [PATCH, AArch64] Disable reg offset in quad-word store for Falkor.
- From: Kugan Vivekanandarajah <kugan dot vivekanandarajah at linaro dot org>
- To: Jim Wilson <wilson at tuliptree dot org>
- Cc: Andrew Pinski <pinskia at gmail dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 1 Nov 2017 10:33:09 +1100
- Subject: Re: [PATCH, AArch64] Disable reg offset in quad-word store for Falkor.
- Authentication-results: sourceware.org; auth=none
- References: <1506095357-3334-1-git-send-email-jim.wilson@linaro.org> <CABXYE2WyDADSL_eDPKDKMj8iJcRQt9K-TbpXc7rVdKeVHp1rrg@mail.gmail.com> <CA+=Sn1=Noh74J+Y0j40GRxT9ZBCr+6UeTr3biftfdgaG96hXmg@mail.gmail.com> <CABXYE2X-FfdteB-usOfeDx8Oub66KQidP55qiX=eKzTE8-5x2w@mail.gmail.com> <CA+=Sn1nUzqv0CPVKvGjDucGVNJy_dismkUW8daqfJB-RXuKrLA@mail.gmail.com> <1507844931.2513.12.camel@tuliptree.org> <CAELXzTOn=WhP1zZXB8OY8P3GuxUnD7x5wKt4DqJ6L5KDkuwrSA@mail.gmail.com> <1509466353.2855.2.camel@tuliptree.org>
Hi Jim,
On 1 November 2017 at 03:12, Jim Wilson <wilson@tuliptree.org> wrote:
> On Tue, 2017-10-31 at 14:35 +1100, Kugan Vivekanandarajah wrote:
>> Ping ?
>>
>> I see that Jim has clarified the comments from Andrew.
>
> Andrew also suggested that we add a testcase to the testsuite. I
> didn't do that. I did put a testcase to reproduce in the bug report.
> See
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82533
> It should be a relatively simple matter of taking that testcase,
> compiling to assembly with -mcpu=falkor, then doing a pattern search
> for a str q [r+r] instruction, and fail if it is present.
Sorry, I missed that part. I will create the test case as you have
suggested and post it.
Thanks,
Kugan
> Jim
>