On Wed, Feb 24, 2016 at 03:49:09PM +0100, Richard Biener wrote:
> 2016-02-24 Richard Biener
> Jakub Jelinek
>
> PR middle-end/69760
> * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
> conditionally executed ops to well-defined overflow behavior.
>
> * g
On Wed, Feb 24, 2016 at 6:49 AM, Richard Biener wrote:
>
> The following fixes bogus SCEV analysis for expressions that are only
> executed conditionally [note: conditionally here doesn't include
> after a taken exit]. Basically we have to make sure further analysis
> does not attempt to use unde
The following fixes bogus SCEV analysis for expressions that are only
executed conditionally [note: conditionally here doesn't include
after a taken exit]. Basically we have to make sure further analysis
does not attempt to use undefined overflow for expressions we don't
know whether they are com