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[Bug soft-fp/16041] New: soft-fp extensions should quiet signaling NaNs
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 11 Oct 2013 00:26:38 +0000
- Subject: [Bug soft-fp/16041] New: soft-fp extensions should quiet signaling NaNs
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16041
Bug ID: 16041
Summary: soft-fp extensions should quiet signaling NaNs
Product: glibc
Version: 2.18
Status: NEW
Severity: normal
Priority: P2
Component: soft-fp
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: joseph at codesourcery dot com
soft-fp FP_EXTEND checks for signaling NaNs and raises the "invalid" exception
for them, but should also convert them to quiet NaNs; instead it leaves them as
signaling (and because the results are raw, the subsequent packing doesn't
alter this). (This doesn't get detected for powerpc-nofpu by math/basic-test.c
because such conversion tests are generally disabled for powerpc because of
issues with conversions between double and IBM long double.)
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