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[Bug math/13304] fma, fmaf, fmal produce wrong results
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 02 Jul 2013 23:29:16 +0000
- Subject: [Bug math/13304] fma, fmaf, fmal produce wrong results
- Auto-submitted: auto-generated
- References: <bug-13304-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13304
--- Comment #39 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
We now have soft-fp fma available for use by systems without the exceptions and
rounding mode support required for the main fma implementations using
rounding-to-odd to work.
commit 77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jul 2 14:55:32 2013 +0000
Implement fma in soft-fp.
(which also makes soft-float MIPS cases use it).
commit 6bed143eb4bd42be907d143cca456d527e25efec
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jul 2 19:51:19 2013 +0000
Make soft-float ARM use soft-fp fma/fmaf.
uses it for soft-float ARM.
Remaining unfixed cases:
* ldbl-128ibm (needs its own implementation).
* AM33 (supports exceptions but only round-to-nearest), soft-float SH, Tile,
MicroBlaze, soft-float ColdFire (all need to use the soft-fp implementation).
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