What to remove after tree-ssa is merged?

Paul Brook paul@codesourcery.com
Wed Feb 4 21:21:00 GMT 2004


On Wednesday 04 February 2004 8:58 pm, Richard Kenner wrote:
>     It _can_ be made explicit. We may not know the actual value, but for a
>     given expression we do know which instance we want to extract it from
>     (by walking back to a corresponding WITH_RECORD_EXPR).
>
> But there *is* no corresponding WITH_RECORD_EXPR when the expression
> is used as a size, offset or bound: that's precisely the point.

The information must be there somewhere. Whenever these size or bound 
expressions are used, it surely must be in the context of a particular 
object. The RTL expanders manage it quite happily.

Paul



More information about the Gcc mailing list