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Re: fxsrintrin.h

From: Segher Boessenkool <segher at kernel dot crashing dot org>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: lhmouse <lh_mouse at 126 dot com>, David Wohlferd <dw at LimeGreenSocks dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Fri, 19 Aug 2016 03:21:03 -0500
Subject: Re: fxsrintrin.h
Authentication-results: sourceware.org; auth=none
References: <17b828d6-eb5f-153e-d320-a4e99ab99feb@LimeGreenSocks.com> <ca28f48.42e0f.156a15a2d8b.Coremail.lh_mouse@126.com> <20160819064549.GQ14857@tucnak.redhat.com>

On Fri, Aug 19, 2016 at 08:45:49AM +0200, Jakub Jelinek wrote:
> On Fri, Aug 19, 2016 at 01:50:52PM +0800, lhmouse wrote:
> > Given the `_fxsave()` function returning `void`, it is invalid C but valid C++:
> 
> It is also a GNU C extension.

And GCC warns with -Wpedantic (but not without).  It does the "correct"
thing in either case.


Segher

References:
- fxsrintrin.h
  - From: David Wohlferd
- Re: fxsrintrin.h
  - From: lhmouse
- Re: fxsrintrin.h
  - From: Jakub Jelinek

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