O2 optimization with vectorize

[Ulrich Weigand]

"Singh, Ravi Kumar (Ravi)" <Ravi.Singh at lsi.com> wrote on 11.04.2012
17:50:53:

> If I disable extra transformations as suggested by you my cycles
> increase to 38xx in comparison to -O2 25xx

Sorry, I misremembered the flag spelling.  It should read:

   -ftree-vectorize -fno-tree-loop-if-convert --param max-stores-to-sink=0

This gets me identical code to just -O2 on your test case.


Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

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