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Re: if-conv problem....


On Thu, Oct 03, 2002 at 12:04:56PM +0530, Deepak B. Nayak wrote:
>  then what is the use of having first if-conv pass...
>  and even what is use of doing if-conv after reload ?????

There are lots of useful things to do with if-conversion
outside general predication: boolean sets (aka setcc),
conditional moves, absolute values, min, max ...

Like I said, you _really_ need to look at the code itself.
No one is going to hold your hand all the way through the
compiler.

> to have if-conv before reg allocation do we need to change reg allocator
> it self???

Yes.


r~


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