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Date: Wed, 12 Nov 2014 13:11:00 -0000
Message-ID: <CAKdteOap-USVdK5rZkwhrUsZ8mfspdau=huwjovAjbgfdSLkuQ@mail.gmail.com>
Subject: Re: [ARM] Fix CLZ_DEFINED_VALUE_AT_ZERO for vector modes
From: Christophe Lyon <christophe.lyon@linaro.org>
To: "Yangfei (Felix)" <felix.yang@huawei.com>
Cc: "ramrad01@arm.com" <ramrad01@arm.com>, Michael Collison <michael.collison@linaro.org>, 	Tejas Belagod <tejas.belagod@arm.com>, "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
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On 12 November 2014 04:50, Yangfei (Felix) <felix.yang@huawei.com> wrote:
>> On Wed, Oct 22, 2014 at 10:49 PM, Michael Collison <michael.collison@linaro.org>
>> wrote:
>> >
>> > Patch that removes extraneous comment attached.
>> >
>> > The CLZ_DEFINED_VALUE_AT_ZERO macro is hard coded to return 32. For
>> > the vector intrinsic vclz this is incorrect and should return the
>> > value
>>
>> vclz_{s,u}8 ...
>>
>> > eight. The CTZ_DEFINED_VALUE_AT_ZERO has the same issue.
>>
>> The patch is ok . Sorry about the delay in reviewing this.
>>
>> Ramana
>>
>
>
> Hello,
>
>     Can anybody backport this patch for the 4.8/4.9 branch? They have the same issue too. Thanks.
>

Hi,

I can take care of the backport, provided a maintainer such as Ramana
approves it first.

The original PR (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63365)
is against 4.9.2, but the bug was present in 4.8 too.

OK to backport it to 4.8 and 4.9?

Thanks,

Christophe.