public inbox for gdb-patches@sourceware.org
 help / color / mirror / Atom feed
From: "Ulrich Weigand" <uweigand@de.ibm.com>
To: jan.kratochvil@redhat.com (Jan Kratochvil)
Cc: gdb-patches@sourceware.org
Subject: Re: Regression on i686 host: gdb.base/floatn.exp: [RFC v2][2/2] Target FP: Make use of MPFR if available
Date: Mon, 11 Dec 2017 14:14:00 -0000	[thread overview]
Message-ID: <20171211141405.0A61FD80340@oc3748833570.ibm.com> (raw)
In-Reply-To: <20171210151259.GA12857@host1.jankratochvil.net> from "Jan Kratochvil" at Dec 10, 2017 04:12:59 PM

Jan Kratochvil wrote:
> On Sun, 10 Dec 2017 16:09:56 +0100, Jan Kratochvil wrote:
> > Hi Ulrich,
> > 
> > 2400729ecfd2c7be8b18aeaa822fef5a4b503f8a is the first bad commit
> > commit 2400729ecfd2c7be8b18aeaa822fef5a4b503f8a
> > Author: Ulrich Weigand <ulrich.weigand@de.ibm.com>
> > Date:   Wed Nov 22 13:53:43 2017 +0100
> >     Target FP: Make use of MPFR if available
> > 
> > FAIL: gdb.base/floatn.exp: the original value of f128 is 3.375
> > FAIL: gdb.base/floatn.exp: try to change f128 to -3.375 with 'print f128=-3.375'
> > FAIL: gdb.base/floatn.exp: the value of f128 is changed to 30.375
> > FAIL: gdb.base/floatn.exp: the original value of c128 is 3.375 + 1 * I
> 
> I have seen now also there, that will be probably the same, I did not check
> more:
> 	-PASS: gdb.base/float128.exp: try to change f128 to -2.375 with 'print f128=-2.375l'
> 	+FAIL: gdb.base/float128.exp: try to change f128 to -2.375 with 'print f128=-2.375l'
> 	-PASS: gdb.base/float128.exp: the value of f128 is changed to 20.375
> 	+FAIL: gdb.base/float128.exp: the value of f128 is changed to 20.375
> 	+FAIL: gdb.base/float128.exp: print large128

Hi Jan,

I was able to reproduce this problem by building GDB itself as a 32-bit binary.

I'm currently testing a fix ...

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU/Linux compilers and toolchain
  Ulrich.Weigand@de.ibm.com

  reply	other threads:[~2017-12-11 14:14 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-16 19:00 Ulrich Weigand
2017-11-29  0:37 ` John Baldwin
2017-11-29 17:55   ` Ulrich Weigand
2017-11-29 18:04     ` Pedro Alves
2017-11-30  0:27     ` John Baldwin
2017-12-10 15:10 ` Regression on i686 host: gdb.base/floatn.exp: " Jan Kratochvil
2017-12-10 15:13   ` Jan Kratochvil
2017-12-11 14:14     ` Ulrich Weigand [this message]
2017-12-11 14:30       ` Ulrich Weigand
2018-06-20  8:55 ` New FAIL gdb.base/float128.exp on ppc64le [Re: [RFC v2][2/2] Target FP: Make use of MPFR if available] Jan Kratochvil
2018-06-20 12:33   ` Ulrich Weigand
2018-06-20 12:50     ` Jan Kratochvil
2018-06-20 13:39       ` Ulrich Weigand
2018-06-20 13:47         ` Jan Kratochvil
2018-06-20 14:28           ` Ulrich Weigand

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20171211141405.0A61FD80340@oc3748833570.ibm.com \
    --to=uweigand@de.ibm.com \
    --cc=gdb-patches@sourceware.org \
    --cc=jan.kratochvil@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).