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[Bug math/1384] New: test-float and test-double failures compiling with gcc-4.1
- From: "sjmunroe at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 27 Sep 2005 20:30:33 -0000
- Subject: [Bug math/1384] New: test-float and test-double failures compiling with gcc-4.1
- Reply-to: sourceware-bugzilla at sourceware dot org
It seems that gcc-4.1 is getting getting more agressive using the powerpc
fused-multiply-add (fmadd) which impacts the code gen for the bessel functions
in ./dbl-64/e_j1.c, ./dbl-64/e_j1.c, ./flt-32/e_j1f.c, ./flt-32/e_j1f.c. The
changes the rounding a bit and results in a 1-2 bit (ulp) difference in the
result from the code generated by gcc-3.4. This only seemd to impacts the y1()
yn() functions.
--
Summary: test-float and test-double failures compiling with gcc-
4.1
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: math
AssignedTo: aj at suse dot de
ReportedBy: sjmunroe at us dot ibm dot com
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: powerpc-*-linux
GCC host triplet: powerpc-*-linux
GCC target triplet: powerpc-*-linux
http://sourceware.org/bugzilla/show_bug.cgi?id=1384
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