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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/15503] New: Support ARM VFPv4 VFMA instruction in fma
Date: Mon, 20 May 2013 17:16:00 -0000 [thread overview]
Message-ID: <bug-15503-131@http.sourceware.org/bugzilla/> (raw)
http://sourceware.org/bugzilla/show_bug.cgi?id=15503
Bug #: 15503
Summary: Support ARM VFPv4 VFMA instruction in fma
Product: glibc
Version: 2.17
Status: NEW
Severity: normal
Priority: P2
Component: ports
AssignedTo: unassigned@sourceware.org
ReportedBy: jsm28@gcc.gnu.org
CC: carlos@redhat.com, roland@gnu.org
Classification: Unclassified
On ARM, VFPv4 has a fused multiply-add instruction VFMA. This should be used
for the fmaf and fma functions in glibc, unconditionally if glibc is built for
VPFv4 (__ARM_FEATURE_FMA predefined by GCC), or through IFUNC (testing
HWCAP_ARM_VFPv4) otherwise.
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next reply other threads:[~2013-05-20 17:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-20 17:16 jsm28 at gcc dot gnu.org [this message]
2014-02-08 1:58 ` [Bug math/15503] [arm] " jsm28 at gcc dot gnu.org
2014-06-13 17:42 ` fweimer at redhat dot com
2014-06-23 20:40 ` jsm28 at gcc dot gnu.org
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