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Re: RFA: Avoid unnecessary clearing in union initialisers

From: Carrot Wei <carrot at google dot com>
To: Carrot Wei <carrot at google dot com>, gcc-patches at gcc dot gnu dot org, jason at redhat dot com, richard dot sandiford at linaro dot org
Date: Sat, 10 Dec 2011 20:44:30 +0800
Subject: Re: RFA: Avoid unnecessary clearing in union initialisers
References: <g4zkkje9ud.fsf@linaro.org> <CAEe8uEDRxmiyyhHOnXeeEGc0n2+YKsO0XSpPA58NcFewoHjPLA@mail.gmail.com> <g41usekts9.fsf@richards-thinkpad.stglab.manchester.uk.ibm.com>

On Fri, Dec 9, 2011 at 4:56 PM, Richard Sandiford
<richard.sandiford@linaro.org> wrote:
> Carrot Wei <carrot@google.com> writes:
>> Since it also affects 4.6 branch, can this and r176270 also be ported
>> to gcc4.6?
>
> Always worth asking, but in this case, I'm not sure it's appropriate.
> The patch is pretty invasive, and I don't think the bug is a regression.
>
> Also, 4.6 generates really lousy code for these intrinsics, so I think
> anyone who's serious about using them would need 4.7 anyway.
>

Sounds reasonable.

thanks
Carrot

References:
- Re: RFA: Avoid unnecessary clearing in union initialisers
  - From: Carrot Wei
- Re: RFA: Avoid unnecessary clearing in union initialisers
  - From: Richard Sandiford

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