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Re: new test will hang 'make check-g77'
- To: egcs at cygnus dot com
- Subject: Re: new test will hang 'make check-g77'
- From: Dave Love <d dot love at dl dot ac dot uk>
- Date: 11 Mar 1998 11:40:39 +0000
- References: <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.