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Re: Supporting multiple pointer sizes in GCC

From: Paul Koning <paul_koning at dell dot com>
To: DJ Delorie <dj at redhat dot com>
Cc: "Jayant R. Sonar" <Jayant dot Sonar at kpitcummins dot com>, <gcc at gcc dot gnu dot org>
Date: Fri, 25 Mar 2011 13:50:06 -0400
Subject: Re: Supporting multiple pointer sizes in GCC
References: <371569CBCFB2E745B891DBB88B2DFDDD1A229C5E3A@KCINPUNHJCMS01.kpit.com> <xnr59vrtii.fsf@greed.delorie.com>

On Mar 25, 2011, at 1:37 PM, DJ Delorie wrote:

> 
> "Jayant R. Sonar" <Jayant.Sonar@kpitcummins.com> writes:
>> Is it possible to support multiple pointer sizes (e.g. 16bit, 32bit)
>> which can co-exist in single compilation unit?
>> Whether it is supported in GCC now?
>> Is there any other architecture which has this feature already 
>> implemented?
> 
> Yes, there are three that I know of - mips64, s390 (tpf), and m32c.

?  MIPS has two pointer sizes, but a given compilation (gcc invocation) uses only one of them, it comes from the chosen ABI.

	paul

Follow-Ups:
- Re: Supporting multiple pointer sizes in GCC
  - From: DJ Delorie
- RE: Supporting multiple pointer sizes in GCC
  - From: Jayant R. Sonar

References:
- Supporting multiple pointer sizes in GCC
  - From: Jayant R. Sonar
- Re: Supporting multiple pointer sizes in GCC
  - From: DJ Delorie

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