Bill Allombert writes: > Package: gcc-3.3 > Version: 1:3.3.5-3 > Severity: normal > > Hello GCC developers and ARM porters, > gcc-3.3 -O3 -fPIC miscompile pari on ARM. > (see > <http://buildd.debian.org/fetch.php?&pkg=pari&ver=2.1.6-1&arch=arm&stamp=1102707589&file=log&as=raw>) > > More precisely the file src/basemath/alglin1.c > is miscompiled with -O3 -fPIC but correctly compiled with -O3 or -O2 -fPIC > > This is a regression since gcc-3.3_1:3.3.2-0pre5 built the same > file correctly with -O3 -fPIC. > > Apparenlty gcc inline the function use_maximal_pivot() inside > gauss_pivot_ker() and produce wrong code there. > > Removing the static qualifier from use_maximal_pivot() (thus forbidding > the compiler to enable) work around the bug. > > If you want, I might dig farther into the problem at a later date.
please attach the preprocessed source to the report and recheck with gcc-3.4 and gcc-4.0 / gcc-snapshot. Thanks, Matthias
