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Re: [PATCH] Update ulps on i386/s390{,x} for GCC 3.4

From: Martin Schwidefsky <schwidefsky at de dot ibm dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Ulrich Drepper <drepper at redhat dot com>, Glibc hackers <libc-hacker at sources dot redhat dot com>, Roland McGrath <roland at redhat dot com>
Date: Fri, 11 Jun 2004 18:17:06 +0200
Subject: Re: [PATCH] Update ulps on i386/s390{,x} for GCC 3.4




Hi Jakub,

> ... and GCC 3.4 compiled libm on s390/s390x
> fails a bunch of tests for exceptions being raised/not-raised on NaN/Inf
> arguments in test-double (e.g. sqrt (NaN)).
> Will look into that next.
The reason for this is the generic implementation of __ieee754_sqrt.
I side stepped the problem by defining s390 specific function that
use the hardware instructions. See:

http://sources.redhat.com/ml/libc-alpha/2004-04/msg00119.html

blue skies,
   Martin

Linux/390 Design & Development, IBM Deutschland Entwicklung GmbH
Schönaicherstr. 220, D-71032 Böblingen, Telefon: 49 - (0)7031 - 16-2247
E-Mail: schwidefsky@de.ibm.com

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References:
- [PATCH] Update ulps on i386/s390{,x} for GCC 3.4
  - From: Jakub Jelinek

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