On Sun, May 19, 2019 at 6:22 PM Marc Glisse <marc.gli...@inria.fr> wrote:
>
> Hello,
>
> I noticed this one with BIT_NOT_EXPR a while ago. C++ testcase because I
> haven't looked at gimplefe yet...

OK.  I wonder if there's any issue with -ftrapv and negate/abs of
INT_MIN containing
vectors (we don't implement -ftrapv optabs for vectors of course...).
We at least
avoid folding those cases I think and sanitizers then may see those
unconditionally?

Richard.

> 2019-05-20  Marc Glisse  <marc.gli...@inria.fr>
>
> gcc/
>         * match.pd (~(vec?cst1:cst2)); New transformation.
>
> gcc/testsuite/
>         * g++.dg/tree-ssa/cprop-vcond.C
>
> --
> Marc Glisse

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