On Thu, Aug 9, 2012 at 1:09 AM, Andi Kleen <a...@firstfloor.org> wrote: > Elmar Krieger <el...@cmbi.ru.nl> writes: >> >> The slowdown is not the same with other files, so I'm essentially sure >> that this specific source file has some 'feature' that catches GCC at >> the wrong leg. This raises my hopes that one of the GCC experts wants >> to take a look at it. The code is confidential, > > You could file a bug report with just a profile output of the compiler > (e.g. from oprofile or perf)
But please use a pristine FSF compiler. You can also run the source through some obfuscation tool. Or get a first hint with using -ftime-report. In the end, without a testcase there is nothing to do for us ... Richard. > -Andi > > -- > a...@linux.intel.com -- Speaking for myself only