re PR target/64661 ([SH] Allow @(disp,reg) address mode for atomics)

re PR target/64661 ([SH] Allow @(disp,reg) address mode for atomics)

gcc/
	PR target/64661
	* config/sh/sh-protos.h (TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
	TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
	TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Add parentheses.
	* config/sh/constraints.md (Ara, Add): New constraints.
	* config/sh/sync.md (atomic_mem_operand_0, atomic_mem_operand_1): New
	predicates.
	(atomic_compare_and_swap<mode>, atomic_exchange<mode>): Use
	atomic_mem_operand_0.  Don't use force_reg on the memory address.
	(atomic_compare_and_swapsi_hard): Use atomic_mem_operand_0 predicate and
	Sra constraint.  Convert to insn_and_split.  Add workaround for
	PR 64974.
	(atomic_compare_and_swap<mode>_hard): Copy to
	atomic_compare_and_swap<mode>_hard_1.  Convert to insn_and_split.
	Use atomic_mem_operand_0 predicate.
	(atomic_compare_and_swap<mode>_soft_gusa,
	atomic_exchange<mode>_soft_gusa): Use atomic_mem_operand_0 predicate and
	AraAdd constraints.
	(atomic_compare_and_swap<mode>_soft_tcb,
	atomic_compare_and_swap<mode>_soft_imask,
	atomic_exchange<mode>_soft_tcb, atomic_exchange<mode>_soft_imask): Use
	atomic_mem_operand_0 predicate and SraSdd constraints.
	(atomic_exchangesi_hard) Use atomic_mem_operand_0 predicate and Sra
	constraint.
	(atomic_exchange<mode>_hard): Copy to atomic_exchange<mode>_hard_1.
	Convert to insn_and_split.  Use atomic_mem_operand_0 predicate.
	(atomic_fetch_<fetchop_name><mode>, atomic_fetch_nand<mode>,
	atomic_<fetchop_name>_fetch<mode>): Use atomic_mem_operand_1.  Don't use
	force_reg on the memory address.
	(atomic_fetch_<fetchop_name>si_hard, atomic_fetch_notsi_hard,
	atomic_fetch_nandsi_hard, atomic_<fetchop_name>_fetchsi_hard,
	atomic_not_fetchsi_hard, atomic_nand_fetchsi_hard): Use
	atomic_mem_operand_1 predicate and Sra constraint.
	(atomic_fetch_<fetchop_name><mode>_hard): Copy to
	atomic_fetch_<fetchop_name><mode>_hard_1.  Convert to insn_and_split.
	Use atomic_mem_operand_1 predicate.
	(atomic_<fetchop_name><mode>_hard): Copy to
	atomic_<fetchop_name><mode>_hard_1.  Convert to insn_and_split.
	Use atomic_mem_operand_1 predicate.
	(atomic_fetch_nand<mode>_hard): Copy to atomic_fetch_nand<mode>_hard_1.
	Convert to insn_and_split.  Use atomic_mem_operand_1 predicate.
	(atomic_nand<mode>_hard): Copy to atomic_nand<mode>_hard_1.  Convert to
	insn_and_split.  Use atomic_mem_operand_1 predicate.
	(atomic_<fetchop_name>_fetch<mode>_hard): Copy to
	atomic_<fetchop_name>_fetch<mode>_hard_1.  Convert to insn_and_split.
	Use atomic_mem_operand_1 predicate.
	(atomic_nand_fetch<mode>_hard): Copy to atomic_nand_fetch<mode>_hard_1.
	Convert to insn_and_split.  Use atomic_mem_operand_1 predicate.
	(atomic_fetch_not<mode>_hard, atomic_not_fetch<mode>_hard): Replace mems
	in generated insn with original mem operand before emitting the insn.
	(atomic_fetch_<fetchop_name><mode>_soft_gusa,
	atomic_fetch_not<mode>_soft_gusa, atomic_fetch_nand<mode>_soft_gusa,
	atomic_<fetchop_name>_fetch<mode>_soft_gusa,
	atomic_not_fetch<mode>_soft_gusa, atomic_nand_fetch<mode>_soft_gusa):
	Use atomic_mem_operand_1 predicate and AraAdd constraints.
	(atomic_fetch_<fetchop_name><mode>_soft_tcb,
	atomic_<fetchop_name><mode>_soft_tcb, atomic_fetch_not<mode>_soft_tcb,
	atomic_not<mode>_soft_tcb, atomic_fetch_<fetchop_name><mode>_soft_imask,
	atomic_fetch_not<mode>_soft_imask, atomic_fetch_nand<mode>_soft_tcb,
	atomic_nand<mode>_soft_tcb, atomic_fetch_nand<mode>_soft_imask,
	atomic_<fetchop_name>_fetch<mode>_soft_tcb,
	atomic_not_fetch<mode>_soft_tcb,
	atomic_<fetchop_name>_fetch<mode>_soft_imask,
	atomic_not_fetch<mode>_soft_imask, atomic_nand_fetch<mode>,
	atomic_nand_fetch<mode>_soft_tcb, atomic_nand_fetch<mode>_soft_imask):
	Use atomic_mem_operand_1 predicate and SraSdd constraints.

gcc/testsuite/
	PR target/64661
	* gcc.taget/sh/pr64661-0.h: New.
	* gcc.taget/sh/pr64661-1.c: New.
	* gcc.taget/sh/pr64661-2.c: New.
	* gcc.taget/sh/pr64661-3.c: New.
	* gcc.taget/sh/pr64661-4.c: New.

From-SVN: r220594