aix41.h (SUBTARGET_SWITCHES): Delete threads.

aix41.h (SUBTARGET_SWITCHES): Delete threads.

	* aix41.h (SUBTARGET_SWITCHES): Delete threads.
	(CPP_SPEC): Change mthreads to pthread.
	(LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	* aix43.h (SUBTARGET_SWITCHES): Delete thread.
	(CPP_SPEC): Change mthreads to pthread.
	(LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	* rs6000-protos.h (reg_or_arith_cint_operand): New.
	* rs6000.c (reg_or_arith_cint_operand): New.
	(num_insns_constant_wide): Decorate unsigned constant.
	* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
	* rs6000.md (addsi3): Use new predicate.
	(subsi3, adddi3, subdi3): Likewise.

From-SVN: r34502