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;; Predicate definitions of Andes NDS32 cpu for GNU compiler
;; Copyright (C) 2012-2015 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_special_predicate "nds32_logical_binary_operator"
(match_code "and,ior,xor"))
(define_predicate "nds32_symbolic_operand"
(match_code "const,symbol_ref,label_ref"))
(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_imm5u_operand"
(and (match_operand 0 "const_int_operand")
(match_test "satisfies_constraint_Iu05 (op)")))
(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 can not 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_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 (op, 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 (op, false);
})
(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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