From: Steven Munroe <munroesj@us.ibm.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Ulrich Drepper <drepper@redhat.com>,
Glibc hackers <libc-hacker@sources.redhat.com>,
Ryan Arnold <rsa@us.ibm.com>
Subject: Re: [PATCH] Fix *printf %La with IBM long double format
Date: Wed, 06 Jun 2007 13:28:00 -0000 [thread overview]
Message-ID: <4666BB22.70209@us.ibm.com> (raw)
In-Reply-To: <20070604130209.GM3081@sunsite.mff.cuni.cz>
Jakub Jelinek wrote:
> Hi!
>
> As the attached testcase shows, printf_fphex for ldbl-128ibm
> has a bunch of issues when the lower double is denormal or has exponent 1.
> E.g. the implicit mantissa bit needs to be also set for exponent 1,
> the difference between exponents might be smaller than 53 (when the
> smaller double is denormal and the bigger double has exponent less than
> 53, etc.
>
>
I spotted this while debugging nextafterl and put it on the list for
Ryan to look at. But you got there first
Unfortunately I have been busy with POWER6 perf tuning issues...
> I've also included the unrelated workaround for test-misc.c failures
> - the tests from 2007-05-03 aren't really testable on ppc/ppc64.
>
Thanks!
prev parent reply other threads:[~2007-06-06 13:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-04 13:00 Jakub Jelinek
2007-06-06 13:28 ` Steven Munroe [this message]
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