[Bug c++/96133] New: x86-64 gcc 10.1 using -O3 leads to wrong calculation

2020-07-09 Thread heckflosse67 at gmx dot de
Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: heckflosse67 at gmx dot de Target Milestone: --- Here's a simple example which works fine in gcc up to version 9 when build using -O3 On gcc 10 -O3, the output is different to the output of gcc 10 -O2. The outp

[Bug tree-optimization/96133] [10/11 Regression] x86-64 gcc 10.1 using -O3 leads to wrong calculation since r10-1882-g831e688af50c5f77

2020-07-09 Thread heckflosse67 at gmx dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96133 --- Comment #7 from Ingo Weyrich --- Richard, does you last comment mean, you already fixed it?. How can I test? Maybe using godbolt? Ingo

[Bug tree-optimization/96133] [10 Regression] x86-64 gcc 10.1 using -O3 leads to wrong calculation since r10-1882-g831e688af50c5f77

2020-07-10 Thread heckflosse67 at gmx dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96133 --- Comment #12 from Ingo Weyrich --- Thanks for fixing and kudos for your very fast response time!