gcc/
	PR target/64659
	* config/sh/predicates.md (atomic_arith_operand,
	atomic_logical_operand): Remove.
	* config/sh/sync.md (fetchop_predicate, fetchop_constraint): Remove.
	(atomic_arith_operand_0): New predicate.
	(atomic_compare_and_swap<mode>): Use arith_reg_dest for output values.
	Use atomic_arith_operand_0 for input values.
	(atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
	atomic_compare_and_swap<mode>_soft_gusa,
	atomic_compare_and_swap<mode>_soft_tcb,
	atomic_compare_and_swap<mode>_soft_imask): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.
	(atomic_exchange<mode>): Use arith_reg_dest for output value.  Use
	atomic_arith_operand_0 for newval input.
	(atomic_exchangesi_hard, atomic_exchange<mode>_hard,
	atomic_exchange<mode>_soft_gusa, atomic_exchange<mode>_soft_tcb,
	atomic_exchange<mode>_soft_imask): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.
	(atomic_arith_operand_1, atomic_logical_operand_1): New predicates.
	fetchop_predicate_1, fetchop_constraint_1_llcs,
	fetchop_constraint_1_gusa, fetchop_constraint_1_tcb,
	fetchop_constraint_1_imask): New code iterator attributes.
	(atomic_fetch_<fetchop_name><mode>): Use arith_reg_dest instead of
	register_operand.  Use fetchop_predicate_1.
	(atomic_fetch_<fetchop_name>si_hard,
	atomic_fetch_<fetchop_name><mode>_hard): Use arith_reg_dest instead of
	register_operand.  Use fetchop_predicate_1, fetchop_constraint_1_llcs.
	(atomic_fetch_<fetchop_name><mode>_soft_gusa): Use arith_reg_dest
	and arith_reg_operand instead of register_operand.  Use
	fetchop_predicate_1, fetchop_constraint_1_gusa.
	(atomic_fetch_<fetchop_name><mode>_soft_tcb): Use arith_reg_dest
	and arith_reg_operand instead of register_operand.  Use
	fetchop_predicate_1, fetchop_constraint_1_tcb.  Adjust asm sequence
	to allow R0 usage.
	(atomic_fetch_<fetchop_name><mode>_soft_imask): Use arith_reg_dest
	and arith_reg_operand instead of register_operand.  Use
	fetchop_predicate_1, fetchop_constraint_1_imask.  Adjust asm sequence
	to allow R0 usage.
	(atomic_fetch_nand<mode>): Use arith_reg_dest instead of
	register_operand.  Use atomic_logical_operand_1.
	(atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
	atomic_fetch_nand<mode>_soft_gusa): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.
	(atomic_fetch_nand<mode>_soft_tcb, atomic_fetch_nand<mode>_soft_imask):
	Use arith_reg_dest and arith_reg_operand instead of register_operand.
	Use logical_operand and rK08.  Adjust asm sequence to allow R0 usage.
	(atomic_<fetchop_name>_fetch<mode>): Use arith_reg_dest instead of
	register_operand.  Use fetchop_predicate_1.
	(atomic_<fetchop_name>_fetchsi_hard,
	atomic_<fetchop_name>_fetch<mode>_hard): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
	fetchop_constraint_1_llcs.
	(atomic_<fetchop_name>_fetch<mode>_soft_gusa): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
	fetchop_constraint_1_gusa.
	(atomic_<fetchop_name>_fetch<mode>_soft_tcb): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
	fetchop_constraint_1_tcb.  Adjust asm sequence to allow R0 usage.
	(atomic_<fetchop_name>_fetch<mode>_soft_imask): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
	fetchop_constraint_1_imask.  Adjust asm sequence to allow R0 usage.
	(atomic_nand_fetch<mode>): Use arith_reg_dest instead of
	register_operand.  Use atomic_logical_operand_1.
	(atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
	atomic_nand_fetch<mode>_soft_gusa): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.
	(atomic_nand_fetch<mode>_soft_tcb): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use logical_operand
	and K08.  Adjust asm sequence to allow R0 usage.
	(atomic_nand_fetch<mode>_soft_imask): Use arith_reg_dest and
	arith_reg_operand instead of register_operand.  Use logical_operand
	and K08.

gcc/testsuite/
	PR target/64659
	* gcc.target/sh/sh.exp
	(check_effective_target_atomic_model_soft_gusa_available,
	check_effective_target_atomic_model_soft_tcb_available,
	check_effective_target_atomic_model_soft_imask_available,
	check_effective_target_atomic_model_hard_llcs_available): New.
	* gcc.target/sh/pr64659-0.h: New.
	* gcc.target/sh/pr64659-1.c: New.
	* gcc.target/sh/pr64659-2.c: New.
	* gcc.target/sh/pr64659-3.c: New.
	* gcc.target/sh/pr64659-4.c: New.

From-SVN: r220217