[lno] [RFC] if-conversion and auto vectorizer

Richard Henderson rth@redhat.com
Thu Mar 4 21:03:00 GMT 2004


On Thu, Mar 04, 2004 at 11:58:29AM -0800, Devang Patel wrote:
> Therefore, we were planning to express conditional operations using
> only a single new tree-code: SELECT.
> i.e, the above code would be transformed into:
> EXAMPLE3:
>       c = compare (x > 0)
>       a1 = y
>       a2 = z
>       a = select a1, a2, c

If we are going to allow such a thing at all, we'll use the exist
tree code COND_EXPR.  Jason, do you have any thoughts on adding
COND_EXPR back to GIMPLE as a conditional move?


r~



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