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Re: [RFC] Fix context-sensitiveness of peephole2 pass


On Thu, Oct 24, 2013 at 11:14:42PM -0600, Jeff Law wrote:
> On 10/24/13 15:10, Eric Botcazou wrote:
> >As discovered by Richard B. under PR rtl-optimization/58831, the peephole2
> >pass has been context-sensitive for a long time when scratch registers are
> >needed, in the sense that the behaviour of the pass for a given function is
> >dependent on what happened for the previously optimized function.
> >
> >Obvious patch attached, tested on x86_64-suse-linux.  Do we want to apply it
> >on mainline only or on all the active branches?
> >
> >
> >2013-10-24  Eric Botcazou  <ebotcazou@adacore.com>
> >
> >	* recog.c (search_ofs): New static variable moved from...
> >	(peep2_find_free_register): ...here.
> >	(peephole2_optimize): Initialize it.
> OK for trunk.  Release branch owners have the final call for their branches.

This is ok for the release branches too.

	Jakub


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