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Re: [PATCH], PR 71805, Fix PowerPC ISA 3.0 xxperm/xxpermr usage
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: Michael Meissner <meissner at linux dot vnet dot ibm dot com>, gcc-patches at gcc dot gnu dot org, David Edelsohn <dje dot gcc at gmail dot com>, Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>
- Date: Tue, 12 Jul 2016 07:09:59 -0500
- Subject: Re: [PATCH], PR 71805, Fix PowerPC ISA 3.0 xxperm/xxpermr usage
- Authentication-results: sourceware.org; auth=none
- References: <20160712042812.GA26679@ibm-tiger.the-meissners.org>
On Tue, Jul 12, 2016 at 12:28:12AM -0400, Michael Meissner wrote:
> In this patch, I have fixed the xxperm instructions to expect the second input
> argument to be the same as the output argument instead of the first. I also
> fixed the xxpermr instruction, which suffers from the same problem. I added
> the test case, and made it specific to power9, in case the original test case
> is changed.
>
> I have done a bootstrap build with no regressions. Can I install this patch
> into both the trunk and GCC 6, which also shows the bug?
Okay for both. Thanks,
Segher