Re: [PATCH 0/3] Remove ia64*-*-linux from the list of obsolete targets

[Jonathan Wakely <jwakely@redhat.com>]

On 12/06/24 12:33 +0200, Rene Rebe wrote:
>Hey there,
>
>I wanted to come back to maintaining the ia64 port as discussed
>preciously the other month on the gcc list.
>
>It has been some days as we were busy releasing the biggest release of
>our Embdded T2/Linux distribution [0] and we obviously did not want to
>propose to enable LRA for IA-64 in the last last days of the gcc 14
>release process.
>
>We used the time to further stability test the LRA enabled GCC built
>in T2/Linux and set up running the GCC testsuite accordingly for which
>Frank posted test results from GCC git for reference [1] and w/ LRA
>[2] enabled with only minimal changes, but also some new testsuite
>passes. Due to the -j4 run I summed up the text files result manually
>in LibreOffice:

But the .sum files already combine all the results into one file.


>gcc
>35572, 31789
>33273, 28492
>37189, 36804
>28735, 37634
>sum 134769, 134719
>
>g++
>69349, 61058
>61467, 63545
>61614, 63752
>56027, 60102
>sum 248457, 248457
>
>gfortran
>18895, 17502
>19329, 19051
>13950, 17583
>17442, 15482
>sum 69616, 69618
>
>objc
>693, 783
>760, 669
>609, 649
>716, 677
>sum 2778, 2778
>
>ibstdc++
>4495, 4635
>4001, 3629
>3958, 4580
>4970, 4580
>sum 17424, 17424
>
>The LRA enabled built Linux kernel and whole user-land packages boot
>and function normally, too.
>
>Instead of looking into random test suite failures, I would first
>rather try to allocate some time to look into some build failures for
>more advanced real-world open source packages that I observered over
>the last years and already occured unrelated of the LRA enablement.
>
>> > On Mar 7, 2024, at 20:08, Richard Biener <rguenther@suse.de> wrote:
>> >> I saw the deprecation of ia64*-*-* scrolling by [1].
>> >>
>> >> Which surprised me, as (minor bugs aside) gcc ia64*-*-linux just works for us and
>> >> we still actively support it as part of our T2 System Development Environment [2].
>> >>
>> >> For ia64 we are currently a team of three and also keep maintaining linux-kernel and
>> >> glibc git trees with ia64 restored and hope to bring back ia64 to linux upstream the
>> >> coming months as promised. [3]
>> >>
>> >> Despite popular believe ia64 actually just works for all those projects and we already
>> >> fixed the few minor bugs we could find or reproduce.
>> >>
>> >> Last week I also already patched and tested enabling LRA for ia64 in gcc [4] and could
>> >> -without any regression- compile a full ia64 T2/Linux release ISO that boots and runs
>> >> including an X desktop and Gtk applications. That was of course even with the latest
>> >> linux kernel and glibc versions with ia64 support restored respectively.
>> >>
>> >> Given there are currently no other volunteers, I therefore with this email step up and
>> >> offer to become ia64 maintainer for GCC to keep the code compiling, tested and
>> >> un-deprecated for the next years and releases to come.
>> >
>> > You’re welcome - we look forward to LRA enablement with ia64 and for it to get an
>> > active maintainer.  Note maintainers are appointed by the Steering Committee.
>
>[0] https://t2sde.org/
>[1] https://gcc.gnu.org/pipermail/gcc-testresults/2024-May/816346.html
>[2] https://gcc.gnu.org/pipermail/gcc-testresults/2024-May/816422.html
>
>-- 
>  René Rebe, ExactCODE GmbH, Lietzenburger Str. 42, DE-10789 Berlin
>  https://exactcode.com | https://t2sde.org | https://rene.rebe.de