Re: gcc 4.4.1/linux 64bit: code crashes with -O3, works with -O2

2010/2/20 Richard Guenther : > On Sat, Feb 20, 2010 at 1:38 PM, Christoph Rupp wrote: [...] >> I fixed all warnings regarding dereferencing type-punned pointers and >> I compile with -O3 AND -fno-strict-aliasing. >> >> and i still get the same crash as earlier.

Re: gcc 4.4.1/linux 64bit: code crashes with -O3, works with -O2

g=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu9) Thanks for any help, Christoph 2010/1/14 Jonathan Wakely : > 2010/1/14 Christoph Rupp: >> >> To reproduce, these steps are necessary: >>

gcc 4.4.1/linux 64bit: code crashes with -O3, works with -O2

Hi, i'd like to submit a bug report. I read the instructions on http://gcc.gnu.org/bugs, but i do not really know where the crash happens and what causes the crash to happen. I therefore just wrote the instructions below - they're simple. If you still need more specific stuff, please send me a pri