On Thu, 10 Jul 2014, Jakub Jelinek wrote:

> On Thu, Jul 10, 2014 at 04:30:13PM +0200, Richard Biener wrote:
> > Compromise "hack" below.  It simply avoids the transform for
> > sources that c_strlen can compute a length of.  That "fixes" all
> > strlenopt testcase apart from strlenopt-8.c which does
> > memcpy (, flag ? "a" : "b"); which then still folds
> > during gimplification.  I have XFAILed that.
> > 
> > I've tried to comb my way through strlenopt but failed to quickly
> > add support for generic stores (it has very rough support for
> > char stores, see also PR61773).
> > 
> > Does the below look ok?
> 
> I can look at the tree-ssa-strlen.c stuff and removing the !c_strlen
> hack incrementally.

Ok, I'll bootstrap/test the patch then and will commit if there are
no issues left.

Thanks,
Richard.

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