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Re: [patch, ARM] require 64-bit hw-int for all arm targets

From: Richard Earnshaw <rearnsha at arm dot com>
To: "Joseph S. Myers" <joseph at codesourcery dot com>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Wed, 07 Aug 2013 14:52:12 +0100
Subject: Re: [patch, ARM] require 64-bit hw-int for all arm targets
References: <51F7E2F6 dot 8000509 at arm dot com> <Pine dot LNX dot 4 dot 64 dot 1308070024500 dot 16397 at digraph dot polyomino dot org dot uk>

On 07/08/13 01:25, Joseph S. Myers wrote:
> On Tue, 30 Jul 2013, Richard Earnshaw wrote:
> 
>> Most arm target configs now require a 64-bit HW-int.  Unfortunately a few of
>> the older, less commonly used config targets do not.  The code in arm.c now
>> pretty much requires that a 64-bit HW-int is used, especially for
>> vectorization to work.
>>
>> This patch makes 64-bit HW-int the default for all arm configs and cleans up
>> the configure script accordingly.
>>
>> 	* config.gcc (arm): Require 64-bit host-wide-int for all ARM
>> 	target configs.
> 
> The configuration in libcpp/configure.ac of which targets need 64-bit 
> HOST_WIDE_INT always needs to be kept in sync with that in gcc/config.gcc.
> 


Oops.  Fixed thusly:

2013-08-07  Richard Earnshaw  <rearnsha@arm.com>

	* configure.ac: Set need_64bit_hwint for all arm targets.
	* configure: Regenerated.

Attachment: patch
Description: Text document

References:
- Re: [patch, ARM] require 64-bit hw-int for all arm targets
  - From: Joseph S. Myers

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