* config/sh/sh.c (pool_node): New field: part_of_sequence_p.

	(add_constant): Set it.
	(dump_table): Don't reorder a constant if part_of_sequence_p.
	(machine_dependent_reorg): Assume that float constants will
	stay in their original order if used as a sequence.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59213 138bc75d-0d04-0410-961f-82ee72b054a4