On 09/12/2017 05:32 PM, Andrew Pinski wrote: > .On Tue, Sep 12, 2017 at 8:29 AM, Theodore Papadopoulo > <theodore.papadopo...@inria.fr> wrote: >> Another one that might be interesting is -funsafe-loop-optimizations. >> In most cases people write loops assuming simple finite loops (no >> overflow). Crippling optimization for the small amount of people (system >> programmers ?) that use such strange loops seems counterproductive. It >> would be best if such loops can be marked with an attribute in some way >> and that the general case just assumes that all loops are finite... > > -funsafe-loop-optimizations is a nop in GCC 7 and above. > Since https://gcc.gnu.org/ml/gcc-patches/2016-07/msg00956.html . > > Thanks, > Andrew >
Thank's for the notice. For some reason, I missed that piece of
information... Too bad that making such an assumption generates bogus
code in some common cases.
Theo.
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