Re: increasing testsuite-errors when optimizing for amdfam10/bdver2

2013-04-17 Thread Winfried Magerl
Hi, looks like XOP/FAM4/FAM is responsible for the additional errors I see when running gcc-testsuite or glibc-testsuite. I've opened Bug 56866 as a starting point, so the subject is a little bit misleading: Bug 56866 - gcc 4.7.x/gcc-4.8.x with '-O3 -march=bdver2' misscompiles

increasing testsuite-errors when optimizing for amdfam10/bdver2

2013-04-01 Thread winfried . magerl
Hi, replacing my AMD Phenom2 with a AMD Piledriver (Bulldozer Version2) was reason enough for me to recompile gcc (and the whole linux-system) with hard optimisation set to bdver2 (as I've done since my first linux on an 68030). But this time an increasing number of errors makes me a little bit