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Re: [PATCH, middle-end]: Fix mode-switching MODE_EXIT check with __builtin_apply/__builtin_return

From: Uros Bizjak <ubizjak at gmail dot com>
To: Oleg Endo <oleg dot endo at t-online dot de>
Cc: gcc-patches at gcc dot gnu dot org, vbyakovl23 at gmail dot com, Kaz Kojima <kkojima at rr dot iij4u dot or dot jp>
Date: Sun, 4 Nov 2012 16:02:23 +0100
Subject: Re: [PATCH, middle-end]: Fix mode-switching MODE_EXIT check with __builtin_apply/__builtin_return
References: <CAFULd4Ya82yPJc3rvgH=OHxP5+pz7-MFovj_nBGWFEyjuGVOgg@mail.gmail.com> <1352041128.8110.76.camel@yam-132-YW-E178-FTW>

On Sun, Nov 4, 2012 at 3:58 PM, Oleg Endo <oleg.endo@t-online.de> wrote:

>> Patch was bootstrapped and regression tested on x86_64-pc-linux-gnu,
>> with vzeroupper patch [1] applied.
>>
>> I have added SH4 maintainer for possible comments.
>
> BTW, there are at least two mode-switching SH PRs: 41933 and 49220.
> I've tried those test cases with the vzeroupper patch [1] applied.
> Unfortunately, it doesn't change the situation of the two PRs.

True, this patch fixes very specific case involving __builtin_apply
only.  Hopefully it doesn't _break_ something on SH.

Uros.

Follow-Ups:
- Re: [PATCH, middle-end]: Fix mode-switching MODE_EXIT check with __builtin_apply/__builtin_return
  - From: Uros Bizjak

References:
- [PATCH, middle-end]: Fix mode-switching MODE_EXIT check with __builtin_apply/__builtin_return
  - From: Uros Bizjak
- Re: [PATCH, middle-end]: Fix mode-switching MODE_EXIT check with __builtin_apply/__builtin_return
  - From: Oleg Endo

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