;; Predicate definitions of Andes NDS32 cpu for GNU compiler ;; Copyright (C) 2012-2021 Free Software Foundation, Inc. ;; Contributed by Andes Technology Corporation. ;; ;; This file is part of GCC. ;; ;; GCC is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published ;; by the Free Software Foundation; either version 3, or (at your ;; option) any later version. ;; ;; GCC is distributed in the hope that it will be useful, but WITHOUT ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ;; License for more details. ;; ;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.

(define_predicate “nds32_equality_comparison_operator” (match_code “eq,ne”))

(define_predicate “nds32_greater_less_comparison_operator” (match_code “gt,ge,lt,le”))

(define_predicate “nds32_float_comparison_operator” (match_code “eq,ne,le,lt,ge,gt,ordered,unordered,ungt,unge,unlt,unle”))

(define_predicate “nds32_movecc_comparison_operator” (match_code “eq,ne,le,leu,ge,geu”))

(define_special_predicate “nds32_logical_binary_operator” (match_code “and,ior,xor”))

(define_special_predicate “nds32_conditional_call_comparison_operator” (match_code “lt,ge”))

(define_special_predicate “nds32_have_33_inst_operator” (match_code “mult,and,ior,xor”))

(define_predicate “nds32_symbolic_operand” (and (match_code “const,symbol_ref,label_ref”) (match_test “!(TARGET_ICT_MODEL_LARGE && nds32_indirect_call_referenced_p (op))”)))

(define_predicate “nds32_nonunspec_symbolic_operand” (and (match_code “const,symbol_ref,label_ref”) (match_test “!flag_pic && nds32_const_unspec_p (op) && !(TARGET_ICT_MODEL_LARGE && nds32_indirect_call_referenced_p (op))”)))

(define_predicate “nds32_reg_constant_operand” (ior (match_operand 0 “register_operand”) (match_operand 0 “const_int_operand”)))

(define_predicate “nds32_rimm15s_operand” (ior (match_operand 0 “register_operand”) (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Is15 (op)”))))

(define_predicate “nds32_rimm11s_operand” (ior (match_operand 0 “register_operand”) (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Is11 (op)”))))

(define_predicate “nds32_imm_0_1_operand” (and (match_operand 0 “const_int_operand”) (ior (match_test “satisfies_constraint_Iv00 (op)”) (match_test “satisfies_constraint_Iv01 (op)”))))

(define_predicate “nds32_imm_1_2_operand” (and (match_operand 0 “const_int_operand”) (ior (match_test “satisfies_constraint_Iv01 (op)”) (match_test “satisfies_constraint_Iv02 (op)”))))

(define_predicate “nds32_imm_1_2_4_8_operand” (and (match_operand 0 “const_int_operand”) (ior (ior (match_test “satisfies_constraint_Iv01 (op)”) (match_test “satisfies_constraint_Iv02 (op)”)) (ior (match_test “satisfies_constraint_Iv04 (op)”) (match_test “satisfies_constraint_Iv08 (op)”)))))

(define_predicate “nds32_imm2u_operand” (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Iu02 (op)”)))

(define_predicate “nds32_imm4u_operand” (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Iu04 (op)”)))

(define_predicate “nds32_imm5u_operand” (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Iu05 (op)”)))

(define_predicate “nds32_imm6u_operand” (and (match_operand 0 “const_int_operand”) (match_test “satisfies_constraint_Iu06 (op)”)))

(define_predicate “nds32_rimm4u_operand” (ior (match_operand 0 “register_operand”) (match_operand 0 “nds32_imm4u_operand”)))

(define_predicate “nds32_rimm5u_operand” (ior (match_operand 0 “register_operand”) (match_operand 0 “nds32_imm5u_operand”)))

(define_predicate “nds32_rimm6u_operand” (ior (match_operand 0 “register_operand”) (match_operand 0 “nds32_imm6u_operand”)))

(define_predicate “nds32_move_operand” (and (match_operand 0 “general_operand”) (not (match_code “high,const,symbol_ref,label_ref”))) { /* If the constant op does NOT satisfy Is20 nor Ihig, we cannot perform move behavior by a single instruction. */ if (CONST_INT_P (op) && !satisfies_constraint_Is20 (op) && !satisfies_constraint_Ihig (op)) return false;

return true; })

(define_predicate “nds32_vmove_operand” (and (match_operand 0 “general_operand”) (not (match_code “high,const,symbol_ref,label_ref”))) { /* If the constant op does NOT satisfy Is20 nor Ihig, we cannot perform move behavior by a single instruction. */ if (GET_CODE (op) == CONST_VECTOR && !satisfies_constraint_CVs2 (op) && !satisfies_constraint_CVhi (op)) return false;

return true; })

(define_predicate “nds32_and_operand” (match_operand 0 “nds32_reg_constant_operand”) { return REG_P (op) || GET_CODE (op) == SUBREG || satisfies_constraint_Izeb (op) || satisfies_constraint_Izeh (op) || satisfies_constraint_Ixls (op) || satisfies_constraint_Ix11 (op) || satisfies_constraint_Ibms (op) || satisfies_constraint_Ifex (op) || satisfies_constraint_Iu15 (op) || satisfies_constraint_Ii15 (op) || satisfies_constraint_Ic15 (op); })

(define_predicate “nds32_ior_operand” (match_operand 0 “nds32_reg_constant_operand”) { return REG_P (op) || GET_CODE (op) == SUBREG || satisfies_constraint_Iu15 (op) || satisfies_constraint_Ie15 (op); })

(define_predicate “nds32_xor_operand” (match_operand 0 “nds32_reg_constant_operand”) { return REG_P (op) || GET_CODE (op) == SUBREG || satisfies_constraint_Iu15 (op) || satisfies_constraint_It15 (op); })

(define_predicate “nds32_general_register_operand” (match_code “reg,subreg”) { if (GET_CODE (op) == SUBREG) op = SUBREG_REG (op);

return (REG_P (op) && (REGNO (op) >= FIRST_PSEUDO_REGISTER || REGNO (op) <= NDS32_LAST_GPR_REGNUM)); })

(define_predicate “nds32_call_address_operand” (ior (match_operand 0 “nds32_symbolic_operand”) (match_operand 0 “nds32_general_register_operand”)))

(define_predicate “nds32_insv_operand” (match_code “const_int”) { return INTVAL (op) == 0 || INTVAL (op) == 8 || INTVAL (op) == 16 || INTVAL (op) == 24; })

(define_predicate “nds32_lmw_smw_base_operand” (and (match_code “mem”) (match_test “nds32_valid_smw_lwm_base_p (op)”)))

(define_predicate “float_even_register_operand” (and (match_code “reg”) (and (match_test “REGNO (op) >= NDS32_FIRST_FPR_REGNUM”) (match_test “REGNO (op) <= NDS32_LAST_FPR_REGNUM”) (match_test “(REGNO (op) & 1) == 0”))))

(define_predicate “float_odd_register_operand” (and (match_code “reg”) (and (match_test “REGNO (op) >= NDS32_FIRST_FPR_REGNUM”) (match_test “REGNO (op) <= NDS32_LAST_FPR_REGNUM”) (match_test “(REGNO (op) & 1) != 0”))))

(define_special_predicate “nds32_load_multiple_operation” (match_code “parallel”) { /* To verify ‘load’ operation, pass ‘true’ for the second argument. See the implementation in nds32.c for details. */ return nds32_valid_multiple_load_store_p (op, true, false); })

(define_special_predicate “nds32_load_multiple_and_update_address_operation” (match_code “parallel”) { /* To verify ‘load’ operation, pass ‘true’ for the second argument. to verify ‘update address’ operation, pass ‘true’ for the third argument See the implementation in nds32.c for details. */ return nds32_valid_multiple_load_store_p (op, true, true); })

(define_special_predicate “nds32_store_multiple_operation” (match_code “parallel”) { /* To verify ‘store’ operation, pass ‘false’ for the second argument. See the implementation in nds32.c for details. */ return nds32_valid_multiple_load_store_p (op, false, false); })

(define_special_predicate “nds32_store_multiple_and_update_address_operation” (match_code “parallel”) { /* To verify ‘store’ operation, pass ‘false’ for the second argument, to verify ‘update address’ operation, pass ‘true’ for the third argument See the implementation in nds32.c for details. */ return nds32_valid_multiple_load_store_p (op, false, true); })

(define_special_predicate “nds32_stack_push_operation” (match_code “parallel”) { /* To verify ‘push’ operation, pass ‘true’ for the second argument. See the implementation in nds32-predicates.c for details. */ return nds32_valid_stack_push_pop_p (op, true); })

(define_special_predicate “nds32_stack_pop_operation” (match_code “parallel”) { /* To verify ‘pop’ operation, pass ‘false’ for the second argument. See the implementation in nds32-predicates.c for details. */ return nds32_valid_stack_push_pop_p (op, false); })

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