RISC-V: Support vle.v/vse.v intrinsics

RISC-V: Support vle.v/vse.v intrinsics

gcc/ChangeLog:

	* config/riscv/riscv-protos.h (get_avl_type_rtx): New function.
	* config/riscv/riscv-v.cc (get_avl_type_rtx): Ditto.
	* config/riscv/riscv-vector-builtins-bases.cc (class loadstore): New
	class.
	(BASE): Ditto.
	* config/riscv/riscv-vector-builtins-bases.h: Ditto.
	* config/riscv/riscv-vector-builtins-functions.def (vle): Ditto.
	(vse): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.cc (build_one): Ditto.
	(struct loadstore_def): Ditto.
	(SHAPE): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.h: Ditto.
	* config/riscv/riscv-vector-builtins-types.def (DEF_RVV_U_OPS): New
	macro.
	(DEF_RVV_F_OPS): Ditto.
	(vuint8mf8_t): Add corresponding mask type.
	(vuint8mf4_t): Ditto.
	(vuint8mf2_t): Ditto.
	(vuint8m1_t): Ditto.
	(vuint8m2_t): Ditto.
	(vuint8m4_t): Ditto.
	(vuint8m8_t): Ditto.
	(vuint16mf4_t): Ditto.
	(vuint16mf2_t): Ditto.
	(vuint16m1_t): Ditto.
	(vuint16m2_t): Ditto.
	(vuint16m4_t): Ditto.
	(vuint16m8_t): Ditto.
	(vuint32mf2_t): Ditto.
	(vuint32m1_t): Ditto.
	(vuint32m2_t): Ditto.
	(vuint32m4_t): Ditto.
	(vuint32m8_t): Ditto.
	(vuint64m1_t): Ditto.
	(vuint64m2_t): Ditto.
	(vuint64m4_t): Ditto.
	(vuint64m8_t): Ditto.
	(vfloat32mf2_t): Ditto.
	(vfloat32m1_t): Ditto.
	(vfloat32m2_t): Ditto.
	(vfloat32m4_t): Ditto.
	(vfloat32m8_t): Ditto.
	(vfloat64m1_t): Ditto.
	(vfloat64m2_t): Ditto.
	(vfloat64m4_t): Ditto.
	(vfloat64m8_t): Ditto.
	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_TYPE): Adjust for new
	macro.
	(DEF_RVV_I_OPS): Ditto.
	(DEF_RVV_U_OPS): New macro.
	(DEF_RVV_F_OPS): New macro.
	(use_real_mask_p): New function.
	(use_real_merge_p): Ditto.
	(get_tail_policy_for_pred): Ditto.
	(get_mask_policy_for_pred): Ditto.
	(function_builder::apply_predication): Ditto.
	(function_builder::append_base_name): Ditto.
	(function_builder::append_sew): Ditto.
	(function_expander::add_vundef_operand): Ditto.
	(function_expander::add_mem_operand): Ditto.
	(function_expander::use_contiguous_load_insn): Ditto.
	(function_expander::use_contiguous_store_insn): Ditto.
	* config/riscv/riscv-vector-builtins.def (DEF_RVV_TYPE): Adjust for
	adding mask type.
	(vbool64_t): Ditto.
	(vbool32_t): Ditto.
	(vbool16_t): Ditto.
	(vbool8_t): Ditto.
	(vbool4_t): Ditto.
	(vbool2_t): Ditto.
	(vbool1_t): Ditto.
	(vint8mf8_t): Ditto.
	(vint8mf4_t): Ditto.
	(vint8mf2_t): Ditto.
	(vint8m1_t): Ditto.
	(vint8m2_t): Ditto.
	(vint8m4_t): Ditto.
	(vint8m8_t): Ditto.
	(vint16mf4_t): Ditto.
	(vint16mf2_t): Ditto.
	(vint16m1_t): Ditto.
	(vint16m2_t): Ditto.
	(vint16m4_t): Ditto.
	(vint16m8_t): Ditto.
	(vint32mf2_t): Ditto.
	(vint32m1_t): Ditto.
	(vint32m2_t): Ditto.
	(vint32m4_t): Ditto.
	(vint32m8_t): Ditto.
	(vint64m1_t): Ditto.
	(vint64m2_t): Ditto.
	(vint64m4_t): Ditto.
	(vint64m8_t): Ditto.
	(vfloat32mf2_t): Ditto.
	(vfloat32m1_t): Ditto.
	(vfloat32m2_t): Ditto.
	(vfloat32m4_t): Ditto.
	(vfloat32m8_t): Ditto.
	(vfloat64m1_t): Ditto.
	(vfloat64m4_t): Ditto.
	* config/riscv/riscv-vector-builtins.h
	(function_expander::add_output_operand): New function.
	(function_expander::add_all_one_mask_operand): Ditto.
	(function_expander::add_fixed_operand): Ditto.
	(function_expander::vector_mode): Ditto.
	(function_base::apply_vl_p): Ditto.
	(function_base::can_be_overloaded_p): Ditto.
	* config/riscv/riscv-vsetvl.cc (get_vl): Remove restrict of supporting
	AVL is not VLMAX.
	* config/riscv/t-riscv: Add include file.