[Bug c/38755] New: [graphite] wrong code with -O3 -fgraphite-identity -floop-block on polyhedron benchmarks
howarth at nitro dot med dot uc dot edu
gcc-bugzilla@gcc.gnu.org
Wed Jan 7 16:55:00 GMT 2009
The capacita and test_fpu benchmarks fail under current gcc trunk (r143160)
when compiled with -ffast-math -funroll-loops -msse3 -O3 -fgraphite-identity
-floop-block. The capacita benchmark produces results with NaN as occurred
before r143159. The test_fpu benchmark segfaults with -floop-block.
--
Summary: [graphite] wrong code with -O3 -fgraphite-identity -
floop-block on polyhedron benchmarks
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: howarth at nitro dot med dot uc dot edu
GCC build triplet: i686-apple-darwin9
GCC host triplet: i686-apple-darwin9
GCC target triplet: i686-apple-darwin9
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38755
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