RFC: generate TLS address arithmetic for back-end

[Richard Henderson]

On Tue, Nov 23, 2004 at 03:11:39PM -0400, Aldy Hernandez wrote:
> 	* expr.c (expand_expr): case PLUS_EXPR: Treat TLS address
> 	arithmetic as a constant.
> 	(tree_tls_address_p): New.

A better place to attack this is to arrange for the address of
such variables to be TREE_INVARIANT (if they're not already),
and to change the test there from TREE_CONSTANT.



r~