Line number notes revamp?

[Richard Henderson]

On Wed, Sep 12, 2001 at 04:48:53PM -0400, Daniel Berlin wrote:
> I did this, and it puts the RTX's into the next bucket.

As opposed to allocating 

	(EXPR_LIST:REG_LINENO (const_int 10101))

for every instruction?  Further, we can add any random bucket size
we like.

> You need column number as well.

No I don't.  We don't have one now.  Further, I thought Niel was
talking about hashing file+line+column together into a single number.


r~