;; Machine Description for Renesas RL78 processors ;; Copyright (C) 2011-2013 Free Software Foundation, Inc. ;; Contributed by Red Hat.
;; 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/. ;;---------- Moving ------------------------
(define_expand “movqi” [(set (match_operand:QI 0 “nonimmediate_operand”) (match_operand:QI 1 “general_operand”))] "" { if (MEM_P (operand0) && MEM_P (operand1)) operands[1] = copy_to_mode_reg (QImode, operand1); if (rl78_far_p (operand0) && rl78_far_p (operand1)) operands[1] = copy_to_mode_reg (QImode, operand1);
/* FIXME: Not sure how GCC can generate (SUBREG (SYMBOL_REF)),
but it does. Since this makes no sense, reject it here. */
if (GET_CODE (operand1) == SUBREG
&& GET_CODE (XEXP (operand1, 0)) == SYMBOL_REF)
FAIL;
if (CONST_INT_P (operand1) && ! IN_RANGE (INTVAL (operand1), (-1 << 8) + 1, (1 << 8) - 1))
gcc_unreachable();
} )
(define_expand “movhi” [(set (match_operand:HI 0 “nonimmediate_operand”) (match_operand:HI 1 “general_operand”))] "" { if (MEM_P (operand0) && MEM_P (operand1)) operands[1] = copy_to_mode_reg (HImode, operand1); if (rl78_far_p (operand0) && rl78_far_p (operand1)) operands[1] = copy_to_mode_reg (HImode, operand1);
/* FIXME: Not sure how GCC can generate (SUBREG (SYMBOL_REF)),
but it does. Since this makes no sense, reject it here. */
if (GET_CODE (operand1) == SUBREG
&& GET_CODE (XEXP (operand1, 0)) == SYMBOL_REF)
FAIL;
} )
(define_expand “movsi” [(set (match_operand:SI 0 “nonimmediate_operand”) (match_operand:SI 1 “general_operand”))] "" { rl78_expand_movsi (operands); DONE; } )
;;---------- Conversions ------------------------
(define_expand “zero_extendqihi2” [(set (match_operand:HI 0 “nonimmediate_operand”) (zero_extend:HI (match_operand:QI 1 “general_operand”)))] "" “if (rl78_force_nonfar_2 (operands, gen_zero_extendqihi2)) DONE;” )
(define_expand “extendqihi2” [(set (match_operand:HI 0 “nonimmediate_operand”) (sign_extend:HI (match_operand:QI 1 “general_operand”)))] "" “if (rl78_force_nonfar_2 (operands, gen_extendqihi2)) DONE;” )
;;---------- Arithmetic ------------------------
(define_expand “add3” [(set (match_operand:QHI 0 “nonimmediate_operand”) (plus:QHI (match_operand:QHI 1 “general_operand”) (match_operand:QHI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_add3)) DONE;” )
(define_expand “sub3” [(set (match_operand:QHI 0 “nonimmediate_operand”) (minus:QHI (match_operand:QHI 1 “general_operand”) (match_operand:QHI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_sub3)) DONE;” )
(define_expand “neg2” [(set (match_operand:QHI 0 “nonimmediate_operand”) (minus:QHI (const_int 0) (match_operand:QHI 1 “general_operand”))) ] "" “if (rl78_force_nonfar_2 (operands, gen_neg2)) DONE;” )
(define_expand “umulqihi3” [(set (match_operand:HI 0 “register_operand”) (mult:HI (zero_extend:HI (match_operand:QI 1 “register_operand”)) (zero_extend:HI (match_operand:QI 2 “register_operand”))))] "" "" )
(define_expand “andqi3” [(set (match_operand:QI 0 “nonimmediate_operand”) (and:QI (match_operand:QI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_andqi3)) DONE;” )
(define_expand “iorqi3” [(set (match_operand:QI 0 “nonimmediate_operand”) (ior:QI (match_operand:QI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_iorqi3)) DONE;” )
(define_expand “xorqi3” [(set (match_operand:QI 0 “nonimmediate_operand”) (xor:QI (match_operand:QI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_xorqi3)) DONE;” )
(define_expand “one_cmplqi2” [(set (match_operand:QI 0 “nonimmediate_operand”) (xor:QI (match_operand:QI 1 “general_operand”) (const_int 255))) ] "" “if (rl78_force_nonfar_2 (operands, gen_one_cmplqi2)) DONE;” )
;;---------- Shifts ------------------------
(define_expand “ashl3” [(set (match_operand:QHI 0 “nonimmediate_operand”) (ashift:QHI (match_operand:QHI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_ashl3)) DONE;” )
(define_expand “ashr3” [(set (match_operand:QHI 0 “nonimmediate_operand”) (ashiftrt:QHI (match_operand:QHI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_ashr3)) DONE;” )
(define_expand “lshr3” [(set (match_operand:QHI 0 “nonimmediate_operand”) (lshiftrt:QHI (match_operand:QHI 1 “general_operand”) (match_operand:QI 2 “general_operand”))) ] "" “if (rl78_force_nonfar_3 (operands, gen_lshr3)) DONE;” )
(define_expand “ashrsi3” [(set (match_operand:SI 0 “register_operand”) (ashiftrt:SI (match_operand:SI 1 “register_operand”) (match_operand:SI 2 “immediate_operand”))) ] "" “if (GET_CODE (operands[2]) != CONST_INT) FAIL;” )
;;---------- Branching ------------------------
(define_expand “indirect_jump” [(set (pc) (match_operand:HI 0 “nonimmediate_operand”))] "" "" )
(define_expand “call” [(call (match_operand:HI 0 “memory_operand”) (match_operand 1 ""))] "" "" )
(define_expand “call_value” [(set (match_operand 0 “register_operand”) (call (match_operand:HI 1 “memory_operand”) (match_operand 2 "")))] "" "" )
(define_expand “cbranchqi4” [(set (pc) (if_then_else (match_operator 0 “rl78_cmp_operator” [(match_operand:QI 1 “general_operand”) (match_operand:QI 2 “general_operand”)]) (label_ref (match_operand 3 "" "")) (pc)))] "" “rl78_expand_compare (operands);” )
(define_expand “cbranchhi4” [(set (pc) (if_then_else (match_operator 0 “rl78_cmp_operator” [(match_operand:HI 1 “general_operand”) (match_operand:HI 2 “general_operand”)]) (label_ref (match_operand 3 "" "")) (pc)))] "" “rl78_expand_compare (operands);” )