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Even though the tree-ssa is in a freeze this improves C++ so much I was asked by Diego to submit it.
I'll time a bootstrap with this patch, without ADDRESSOF, and disabling RTL
jump bypassing as well as CSE1; I think I'll be able to submit a patch on
Monday. Anybody can volunteer to SPEC-test it?
Since Diego volunteed, I won't try to beat him ;)
However I am attaching patch that is usefull to find the missed cases.
It dumps out all variables that has been promoted on RTL level (and thus
missed by tree-ssa)
Also it kils two put_var_int_stack calls that seems to be unnecesary.
Thanks, Andrew Pinski
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