sh.c: Include alloc-pool.h.

sh.c: Include alloc-pool.h.

2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>

	* config/sh/sh.c: Include alloc-pool.h.
	(label_ref_list_pool): New alloc pool.
	(label_ref_list_t): New type for lists of labels.
	(struct pool_node): Make wend a label_ref_list_t.
	(add_constant): Use the new type, eradicate LABEL_NEXTREF
	references.
	(dump_table): Likewise.
	(sh_reorg): Set up the alloc pool before using add_constant and
	dump_table, and destroy it when finishing.

From-SVN: r111963