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From: Dave Love <d.love@dl.ac.uk>
To: egcs@cygnus.com
Subject: Re: new test will hang 'make check-g77'
Date: Wed, 11 Mar 1998 09:04:00 -0000	[thread overview]
Message-ID: <rzqwwe178w8.fsf@djlvig.dl.ac.uk> (raw)
In-Reply-To: <19980311001521.37431@dgii.com>

>>>>> "Robert" == Robert Lipe <robertl@dgii.com> writes:

 Robert> This isn't going to be popular, but it should be motivational. :-)
 Robert> The new testcase
 Robert> 	g77.f-torture/execute/980310-5.f

 Robert> will hang forever when compiled with -O2 or higher, as a
 Robert> 'make check' will do by default.

The code is bogus, and I'd been meaning to track down and withdraw my
unfortunate forwarding of it on a bad day after Craig examined it
properly.  It's just a case of the classic numerical problems exposed
by use of x86 FP registers (-ffloat-store is your friend, to some
extent).  Sorry for confusion, and thanks for digging these things
out.

  reply	other threads:[~1998-03-11  9:04 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1998-03-10 22:15 Robert Lipe
1998-03-11  9:04 ` Dave Love [this message]
1998-03-11 12:08   ` Robert Lipe
1998-03-11 15:53     ` Dave Love
1998-03-11 15:53       ` Robert Lipe
1998-03-12  8:07         ` Craig Burley
1998-03-12 11:34           ` Dave Love
1998-03-12 14:50             ` Toon Moene
1998-03-16 20:25               ` Adding g77 test cases to egcs Craig Burley
1998-03-12 12:44         ` new test will hang 'make check-g77' Dave Love
1998-03-11  9:39 ` Craig Burley
1998-03-11  9:39   ` Robert Lipe
1998-03-11 15:53     ` Craig Burley
1998-03-11 12:08       ` Robert Lipe
1998-03-11 17:54     ` Joe Buck
1998-03-12 10:40 Kate Hedstrom

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