[Bug tree-optimization/79321] -ftree-parallelize-loops miscompiles 400.perlbench

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Feb 1 15:19:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79321

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
It's about a fork being called after a loop, where one threads    leaves
gomp_simple_barrier_wait (&pool->threads_dock) and runs the folk. Other threads
have't cross the wait barrier.

Jakub?


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