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Re: soft-fp: make extensions quiet signaling NaNs (bug 16041)
- From: David Miller <davem at davemloft dot net>
- To: joseph at codesourcery dot com
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 17 Oct 2013 01:35:13 -0400 (EDT)
- Subject: Re: soft-fp: make extensions quiet signaling NaNs (bug 16041)
- Authentication-results: sourceware.org; auth=none
- References: <Pine dot LNX dot 4 dot 64 dot 1310162201160 dot 22881 at digraph dot polyomino dot org dot uk> <20131017 dot 004521 dot 598951820526341914 dot davem at davemloft dot net>
From: David Miller <davem@davemloft.net>
Date: Thu, 17 Oct 2013 00:45:21 -0400 (EDT)
> From: "Joseph S. Myers" <joseph@codesourcery.com>
> Date: Wed, 16 Oct 2013 22:03:37 +0000
>
>> This patch fixes bug 16041, soft-fp extensions of signaling NaNs to a
>> wider floating-point type producing another signaling NaN when they
>> should produce a quiet NaN.
>>
>> Tested for powerpc-nofpu. David, this should fix the problem you
>> reported for SPARC (the relevant test in math/basic-test.c is disabled
>> for powerpc because of issues with conversions to/from long double).
>
> Thanks, testing this now Joseph.
The fix is confirmed, please commit this Joseph.
Thanks again!