[Bug middle-end/38848] Optimizer -O2 doesn't work on linear algebra code on double data type

2009-01-15 Thread rbenedik at fsmat dot htu dot tuwien dot ac dot at
--- Comment #4 from rbenedik at fsmat dot htu dot tuwien dot ac dot at 2009-01-15 12:12 --- I traced the error back to a iteration scheme which is not stable when optmized with -O2. Sorry this was my fault, so theres no Bug in -O2: DTYPE FTYPE(SQUARE_ROOT)(DTYPE A) { DTYPE X_N1

[Bug c/38848] New: Optimizer -O2 doesn't work on linear algebra code on double data type

2009-01-14 Thread rbenedik at fsmat dot htu dot tuwien dot ac dot at
: unassigned at gcc dot gnu dot org ReportedBy: rbenedik at fsmat dot htu dot tuwien dot ac dot at GCC build triplet: gcc-Version 4.3.2 20081105 (Red Hat 4.3.2-7) (GCC) GCC host triplet: x86_64-redhat-linux - Fedora 10.0 GCC target triplet: x86_64-redhat-linux http://gcc.gnu.org/bugzilla

[Bug middle-end/38848] Optimizer -O2 doesn't work on linear algebra code on double data type

2009-01-14 Thread rbenedik at fsmat dot htu dot tuwien dot ac dot at
--- Comment #2 from rbenedik at fsmat dot htu dot tuwien dot ac dot at 2009-01-14 21:50 --- I tried to make a single file from the code but the bug does not show up there. You can download the software at: http://fsmat.htu.tuwien.ac.at/~rbenedik/gauss-2.06.tar Run make clean; make