From: Thomas Koenig <tkoenig@netcologne.de>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Michael Meissner <meissner@linux.ibm.com>,
Segher Boessenkool <segher@kernel.crashing.org>,
"fortran@gcc.gnu.org" <fortran@gcc.gnu.org>,
Peter Bergner <bergner@linux.ibm.com>,
gcc-patches@gcc.gnu.org, Bill Schmidt <wschmidt@linux.ibm.com>,
David Edelsohn <dje.gcc@gmail.com>
Subject: Re: [power-ieee128] OPEN CONV
Date: Fri, 7 Jan 2022 22:40:50 +0100 [thread overview]
Message-ID: <332da363-1c64-e1bf-a05a-d412c600f580@netcologne.de> (raw)
In-Reply-To: <20220107195220.GP2646553@tucnak>
On 07.01.22 20:52, Jakub Jelinek wrote:
> Here is completely untested patch that implements something,
> but doesn't implement the gcc option stuff, nor the CONVERT=
> syntax to supply multiple conversion options nor done anything
> about env var nor any testcases.
>
> But it tries to have the native/swap/big/little choice orthogonal from
> native/r16_ieee/r16_ibm with r16_ieee and r16_ibm only supported on
> ppc64le-linux.
>
> For INQUIRE it has the so far perhaps manageable set of possibilities
> handled so that it uses string literals and doesn't have to construct
> those strings at runtime (haven't studied how it would need to be done).
>
> I'm afraid I don't know that stuff enough to move forward from this.
That looks like the direction to go.
I will take it from there and see if I can find some hours over the
weekend to work on something. Unfortunately, my daytime job will
kick in again on Monday :-)
One thing that one has to watch out for is a big-endian IBM long double
file, so the byte swapping will have to be done before assigning
the value.
Best regards
Thomas
next prev parent reply other threads:[~2022-01-07 21:41 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-03 15:36 [power-ieee128] libgfortran: -mabi=ieeelongdouble I/O Jakub Jelinek
2022-01-03 16:26 ` Jakub Jelinek
2022-01-03 17:03 ` Thomas Koenig
2022-01-03 20:00 ` [power-ieee128] libgfortran, fortran: " Jakub Jelinek
2022-01-03 22:43 ` Thomas Koenig
2022-01-04 11:07 ` [power-ieee128] RFH: LTO broken Jakub Jelinek
2022-01-04 13:41 ` [power-ieee128] libgfortran: -mabi=ieeelongdouble I/O fix Jakub Jelinek
2022-01-04 14:35 ` Thomas Koenig
2022-01-06 2:48 ` [power-ieee128] RFH: LTO broken Michael Meissner
2022-01-06 4:17 ` Michael Meissner
2022-01-06 5:00 ` Michael Meissner
2022-01-06 20:01 ` Thomas Koenig
2022-01-06 20:10 ` Jakub Jelinek
2022-01-07 9:22 ` [power-ieee128] OPEN CONV Jakub Jelinek
2022-01-07 10:26 ` Thomas Koenig
2022-01-07 19:52 ` Jakub Jelinek
2022-01-07 21:40 ` Thomas Koenig [this message]
2022-01-07 21:48 ` Jakub Jelinek
2022-01-08 10:07 ` Thomas Koenig
2022-01-08 11:00 ` Jakub Jelinek
2022-01-08 11:10 ` Jakub Jelinek
2022-01-08 14:02 ` Jakub Jelinek
2022-01-08 14:13 ` Thomas Koenig
2022-01-08 14:18 ` Jakub Jelinek
2022-01-08 18:59 ` Michael Meissner
2022-01-08 19:15 ` David Edelsohn
2022-01-08 19:37 ` Michael Meissner
2022-01-07 11:29 ` [power-ieee128] RFH: LTO broken Jakub Jelinek
2022-01-07 13:31 ` Jakub Jelinek
2022-01-07 14:25 ` Thomas Koenig
2022-01-07 16:46 ` Jakub Jelinek
2022-01-07 21:33 ` Thomas Koenig
2022-01-03 16:48 ` [power-ieee128] libgfortran: -mabi=ieeelongdouble I/O Thomas Koenig
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