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Re: Suspected bug lshift_value (expmed.c) and its patch

From: Jakub Jelinek <jakub at redhat dot com>
To: Bingfeng Mei <bmei at broadcom dot com>
Cc: Michael Meissner <meissner at linux dot vnet dot ibm dot com>, Dave Korn <dave dot korn dot cygwin at googlemail dot com>, Eric Botcazou <ebotcazou at adacore dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Richard Guenther <richard dot guenther at gmail dot com>
Date: Thu, 19 Mar 2009 16:36:53 +0100
Subject: Re: Suspected bug lshift_value (expmed.c) and its patch
References: <7FB04A5C213E9943A72EE127DB74F0AD49F021D37D@SJEXCHCCR02.corp.ad.broadcom.com> <200903191513.24726.ebotcazou@adacore.com> <49C25651.5060107@gmail.com> <84fc9c000903190722m105dacb7gfb9317d4117e026e@mail.gmail.com> <7FB04A5C213E9943A72EE127DB74F0AD49F021D3B5@SJEXCHCCR02.corp.ad.broadcom.com> <20090319152408.GA13147@hungry-tiger.westford.ibm.com> <7FB04A5C213E9943A72EE127DB74F0AD49F021D3BB@SJEXCHCCR02.corp.ad.broadcom.com>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Thu, Mar 19, 2009 at 08:31:56AM -0700, Bingfeng Mei wrote:
> Then come back to my orginal mail. 
> 
> I use gcc with -m32 to build my cross-compiler, it supports long long. 
> My target is 64-bit. 
> need_64bit_hwint is NOT set.
> 
> Is this combination allowed or not? 

Not allowed.  For all 64-bit targets you need need_64bit_hwint.
See e.g. need_64bit_hwint description in gcc/config.gcc.

	Jakub

Follow-Ups:
- RE: Suspected bug lshift_value (expmed.c) and its patch
  - From: Bingfeng Mei

References:
- Suspected bug lshift_value (expmed.c) and its patch
  - From: Bingfeng Mei
- Re: Suspected bug lshift_value (expmed.c) and its patch
  - From: Eric Botcazou
- Re: Suspected bug lshift_value (expmed.c) and its patch
  - From: Dave Korn
- Re: Suspected bug lshift_value (expmed.c) and its patch
  - From: Richard Guenther
- RE: Suspected bug lshift_value (expmed.c) and its patch
  - From: Bingfeng Mei
- Re: Suspected bug lshift_value (expmed.c) and its patch
  - From: Michael Meissner
- RE: Suspected bug lshift_value (expmed.c) and its patch
  - From: Bingfeng Mei

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