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From: Joseph Myers <joseph@codesourcery.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Jakub Jelinek <jakub@redhat.com>,
	Michael Meissner <meissner@linux.ibm.com>, <gcc@gcc.gnu.org>,
	Thomas Koenig <tkoenig@netcologne.de>, <fortran@gcc.gnu.org>,
	Tobias Burnus <tobias@codesourcery.com>,
	Jonathan Wakely <jwakely@redhat.com>
Subject: Re: libgfortran.so SONAME and powerpc64le-linux ABI changes
Date: Wed, 6 Oct 2021 21:55:08 +0000	[thread overview]
Message-ID: <alpine.DEB.2.22.394.2110062153310.3641536@digraph.polyomino.org.uk> (raw)
In-Reply-To: <20211006205717.GL10333@gate.crashing.org>

On Wed, 6 Oct 2021, Segher Boessenkool wrote:

> > There's still some code in the compiler for a very old soft-float ABI for 
> > binary128 long double (passing by reference, using _q_* libcall names).  I 
> > don't really think it makes much sense to use that for future _Float128 
> > support for soft-float (certainly not the _q_* libcalls), rather than 
> > passing in four consecutive GPRs as is done for IBM long double for soft 
> > float, but we could.
> 
> Maybe this harks back to POWER2 days?  If so, we probably should just
> remove that code, we do not support anything else POWER2 anymore.

The _q_* names and associated ABI are in the 1995 SunSoft PowerPC ABI 
(which I suppose was the ABI for PowerPC Solaris).

-- 
Joseph S. Myers
joseph@codesourcery.com

  reply	other threads:[~2021-10-06 21:55 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-04 10:07 Jakub Jelinek
2021-10-04 11:24 ` Richard Biener
2021-10-04 11:36   ` Jakub Jelinek
2021-10-04 12:31     ` Jakub Jelinek
2021-10-04 14:14 ` Jakub Jelinek
2021-10-04 16:47   ` Joseph Myers
2021-10-04 18:33   ` Segher Boessenkool
2021-10-04 19:24     ` Joseph Myers
2021-10-05 17:43       ` Segher Boessenkool
2021-10-14 19:39         ` Bill Schmidt
2021-10-15  0:26           ` Segher Boessenkool
2021-10-05 20:16   ` Thomas Koenig
2021-10-05 21:54     ` Segher Boessenkool
2021-10-06  6:59       ` Thomas Koenig
2021-10-06 15:17         ` Segher Boessenkool
2021-10-06 15:41           ` Jakub Jelinek
2021-10-06 16:07             ` Segher Boessenkool
2021-10-06 16:34               ` Jakub Jelinek
2021-10-06 16:59                 ` Segher Boessenkool
2021-10-06 17:07                   ` Jakub Jelinek
2021-10-06 17:50                     ` Segher Boessenkool
2021-10-06 19:30                       ` Peter Bergner
2021-10-06 17:13                 ` Joseph Myers
2021-10-06 18:39                   ` Segher Boessenkool
2021-10-06 19:42                     ` Joseph Myers
2021-10-06 20:57                       ` Segher Boessenkool
2021-10-06 21:55                         ` Joseph Myers [this message]
2021-10-06 22:03                         ` Joseph Myers
2021-10-08 17:53                           ` Segher Boessenkool
2021-10-11 20:11                             ` Joseph Myers
2021-10-15  0:16                               ` Segher Boessenkool
2021-10-06 15:42           ` David Edelsohn
2021-10-06 16:19             ` Segher Boessenkool
2021-10-06 17:38               ` David Edelsohn
2021-10-07  3:42           ` Michael Meissner
2021-10-08 21:10             ` Segher Boessenkool
2021-10-07  9:48         ` Alastair McKinstry
2021-10-07  9:56           ` Andreas Schwab
2021-10-07 10:01             ` Jakub Jelinek
2021-10-07 12:43               ` Alastair McKinstry
2021-10-05 21:53   ` Jonathan Wakely
2021-10-07  3:35 ` Michael Meissner
2021-10-07  6:08   ` Thomas Koenig
2021-10-07  9:40     ` Jakub Jelinek
2021-10-07 15:24     ` Michael Meissner
2021-10-07 15:33       ` Jakub Jelinek
2021-10-08  6:35         ` Thomas Koenig
2021-10-08  7:20           ` Iain Sandoe
2021-10-08 16:26             ` Thomas Koenig
2021-10-08 19:11               ` Iain Sandoe
2021-10-08 22:55                 ` Thomas Koenig
2021-10-08 23:18                   ` Iain Sandoe
2021-10-09  9:11                     ` Thomas Koenig
2021-10-09  9:19                       ` Iain Sandoe
2021-10-09  9:25                       ` Jakub Jelinek
2021-10-09  7:44                   ` Andreas Schwab
2021-10-10 16:14                     ` Florian Weimer
2021-10-15 13:50 ` Bill Schmidt
2021-10-15 14:20   ` Jakub Jelinek
2021-10-15 18:05     ` Thomas Koenig
2021-10-15 18:11       ` Jakub Jelinek
2021-10-15 18:58         ` Thomas Koenig
2021-10-15 22:24     ` Segher Boessenkool
2021-10-15 22:36   ` Segher Boessenkool
2021-10-18 19:02   ` Joseph Myers
2021-10-28  3:10 ` Michael Meissner
2021-10-29  3:36 ` libgfortran.so SONAME and powerpc64le-linux ABI changes (work in progress patches) Michael Meissner
2021-10-29 19:07   ` Thomas Koenig
2021-10-29 21:06     ` Michael Meissner
2021-11-01 15:56       ` Bill Schmidt
2021-11-02 15:40         ` Michael Meissner
2021-10-30  0:16 ` libgfortran.so SONAME and powerpc64le-linux ABI changes (2nd patch) Michael Meissner
2021-10-30  9:30   ` Thomas Koenig
2021-10-30 10:03     ` Jakub Jelinek
2021-10-30 10:31       ` Thomas Koenig

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