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Re: 64 bit long double on i386 arch.

From: Markus Duft <markus dot duft at salomon dot at>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Mon, 12 Sep 2011 10:47:30 +0200
Subject: Re: 64 bit long double on i386 arch.
References: <4E69C354.5090406@salomon.at> <mcrpqj9l9qf.fsf@coign.corp.google.com>

On 09/09/11 22:52, Ian Lance Taylor wrote:
> Markus Duft <markus.duft@salomon.at> writes:
> 
>> i tried to #define LONG_DOUBLE_TYPE_SIZE 64, but after some inspection of the code, i realized that this wont work. is there some magic location where i could just tell gcc to handle long double like double? any help would be much appreciated!
> 
> I would expect that to work.  What fails?

Hm. i checked only xgcc somewhere half way down the bootstrap, and my test program (sizeof(long double)) still yielded 12, so i assumed it doesn't work. i checked a little closer, and it seems that (hah!) the final gcc does have 8 byte long doubles...

Thanks! Sorry for the noise ;)

regards, markus

> 
> Ian

References:
- 64 bit long double on i386 arch.
  - From: Markus Duft
- Re: 64 bit long double on i386 arch.
  - From: Ian Lance Taylor

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