(TARGET_UNALIGNED_DOUBLES): Define.
(TARGET_SWITCHES): Delete hope-align, force-align.  Add
unaligned-doubles and no-unaligned-doubles.
(ROUND_REG): Delete.
(FIRST_PARM_OFFSET, FUNCTION_ARG_ADVANCE, FUNCTION_ARG,
FUNCTION_INCOMING_ARG, FUNCTION_ARG_PARTIAL_NREGS,
FUNCTION_ARG_BOUNDARY): Delete force-align support.
(LONG_DOUBLE_TYPE_SIZE): Define to 128.

From-SVN: r4223