Out Of SSA Rewrite - New TER implementation

Andrew Pinski pinskia@physics.uc.edu
Tue Nov 21 20:02:00 GMT 2006


> 
> Andrew MacLeod wrote:
> > This patch re-implements TER.  The fundamental idea remains the same...
> > step through the function determining tracking which single use
> > expressions are currently available for substitution,  and marking them
> > as replaceable if the use is seen while they are still valid.
> 
> I've only had a quick look at this, but I think it might still suffer
> from PR# 29877 which we looked at recently.  Since I haven't finished
> preparing a mainline patch for that yet (the testcase identified in my
> patch on Bugzilla needed further alteration for other targets) then
> perhaps I should just hang on until this is in?

Except I think PR 29877 should also be fixed on the 4.0, 4.1, and 4.2
branches.

Thanks,
Andrew Pinski



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