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Re: Compile-time and execution-time impact of CSE - some numbers
> The second step would be to
> make cse.c use the CFG (ie. FOR_BB_INSNS/BB_HEAD/BB_ END/etc.) instead
> of relying on block notes.
Block notes are the lesser problem. It's using barriers and labels to detect
edge types, that would drive me nuts :-)
> Next you'd clean up the path following code
> to track back only to the last visited block before following a jump.
Is it different from a very low --param max-cse-path-length?
Paolo
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