[Bug rtl-optimization/15242] [3.3/3.4 regression] pessimization of "goto *"
steven at gcc dot gnu dot org
Thu Mar 10 12:48:00 GMT 2005
------- Additional Comments From steven at gcc dot gnu dot org 2005-03-10 12:48 -------
> Maybe there should be another combining pass after the duplication
> of the indirect jumps. Should I create another PR for this?
There should not be another "combining" pass (you really mean constant
propagation). This new unfactoring stuff runs after register allocation,
so such a pass would not really help, except maybe to make the code look
prettier to you.
But, is this:
slower than this:
or have you not tried that (e.g. by hacking the assembly by hand)?
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