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Re: PATCH: IA64 floating-point types

From: Andreas Schwab <schwab at suse dot de>
To: Richard Henderson <rth at redhat dot com>
Cc: Mark Mitchell <mark at codesourcery dot com>, gcc-patches at gcc dot gnu dot org,zack at codesourcery dot com
Date: Tue, 09 Sep 2003 10:15:23 +0200
Subject: Re: PATCH: IA64 floating-point types
References: <200309090352.h893q9wM014201@sirius.codesourcery.com><20030909073904.GF14968@redhat.com>

Richard Henderson <rth@redhat.com> writes:

> On Mon, Sep 08, 2003 at 08:52:09PM -0700, Mark Mitchell wrote:
>> On other IA64 machines,
>> that type should have size 12 and alignment 4, according to the psABI.
>
> Surely not!
>
>> ... but I'd like to understand why we're not following the psABI.
>
> I'm absolutely certain the abi did not say that 5 years ago.
>
> I assume in the meantime some loser pressured someone else to
> change it so that it matched x86 structure layout.

The psABI distinguishes between ILP32 and LP64.  The first uses 12/4, the
latter 16/16.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

Follow-Ups:
- Re: PATCH: IA64 floating-point types
  - From: Richard Henderson

References:
- PATCH: IA64 floating-point types
  - From: Mark Mitchell
- Re: PATCH: IA64 floating-point types
  - From: Richard Henderson

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