1;; Code and mode itertator and attribute definitions 2;; of Andes NDS32 cpu for GNU compiler 3;; Copyright (C) 2012-2019 Free Software Foundation, Inc. 4;; Contributed by Andes Technology Corporation. 5;; 6;; This file is part of GCC. 7;; 8;; GCC is free software; you can redistribute it and/or modify it 9;; under the terms of the GNU General Public License as published 10;; by the Free Software Foundation; either version 3, or (at your 11;; option) any later version. 12;; 13;; GCC is distributed in the hope that it will be useful, but WITHOUT 14;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16;; License for more details. 17;; 18;; You should have received a copy of the GNU General Public License 19;; along with GCC; see the file COPYING3. If not see 20;; <http://www.gnu.org/licenses/>. 21 22;;---------------------------------------------------------------------------- 23;; Mode iterators. 24;;---------------------------------------------------------------------------- 25 26;; A list of integer modes that are up to one word long. 27(define_mode_iterator QIHISI [QI HI SI]) 28 29;; A list of integer modes for one word and double word. 30(define_mode_iterator SIDI [SI DI]) 31 32;; A list of integer modes that are up to one half-word long. 33(define_mode_iterator QIHI [QI HI]) 34 35;; A list of the modes that are up to double-word long. 36(define_mode_iterator DIDF [DI DF]) 37 38;; A list of the modes that are up to one word long vector. 39(define_mode_iterator VQIHI [V4QI V2HI]) 40 41;; A list of the modes that are up to one word long vector 42;; and scalar for varies mode. 43(define_mode_iterator VSHI [V2HI HI]) 44(define_mode_iterator VSQIHI [V4QI V2HI QI HI]) 45(define_mode_iterator VSQIHIDI [V4QI V2HI QI HI DI]) 46(define_mode_iterator VQIHIDI [V4QI V2HI DI]) 47 48;; A list of the modes that are up to double-word long. 49(define_mode_iterator ANYF [(SF "TARGET_FPU_SINGLE") 50 (DF "TARGET_FPU_DOUBLE")]) 51 52;;---------------------------------------------------------------------------- 53;; Mode attributes. 54;;---------------------------------------------------------------------------- 55 56(define_mode_attr size [(QI "b") (HI "h") (SI "w") (SF "s") (DF "d")]) 57 58(define_mode_attr byte [(QI "1") (HI "2") (SI "4") (V4QI "4") (V2HI "4")]) 59 60(define_mode_attr bits [(V4QI "8") (QI "8") (V2HI "16") (HI "16") (DI "64")]) 61 62(define_mode_attr VELT [(V4QI "QI") (V2HI "HI")]) 63 64;;---------------------------------------------------------------------------- 65;; Code iterators. 66;;---------------------------------------------------------------------------- 67 68;; shifts 69(define_code_iterator shift_rotate [ashift ashiftrt lshiftrt rotatert]) 70 71(define_code_iterator shifts [ashift ashiftrt lshiftrt]) 72 73(define_code_iterator shiftrt [ashiftrt lshiftrt]) 74 75(define_code_iterator sat_plus [ss_plus us_plus]) 76 77(define_code_iterator all_plus [plus ss_plus us_plus]) 78 79(define_code_iterator sat_minus [ss_minus us_minus]) 80 81(define_code_iterator all_minus [minus ss_minus us_minus]) 82 83(define_code_iterator plus_minus [plus minus]) 84 85(define_code_iterator extend [sign_extend zero_extend]) 86 87(define_code_iterator sumax [smax umax]) 88 89(define_code_iterator sumin [smin umin]) 90 91(define_code_iterator sumin_max [smax umax smin umin]) 92 93;;---------------------------------------------------------------------------- 94;; Code attributes. 95;;---------------------------------------------------------------------------- 96 97;; shifts 98(define_code_attr shift 99 [(ashift "ashl") (ashiftrt "ashr") (lshiftrt "lshr") (rotatert "rotr")]) 100 101(define_code_attr su 102 [(ashiftrt "") (lshiftrt "u") (sign_extend "s") (zero_extend "u")]) 103 104(define_code_attr zs 105 [(sign_extend "s") (zero_extend "z")]) 106 107(define_code_attr uk 108 [(plus "") (ss_plus "k") (us_plus "uk") 109 (minus "") (ss_minus "k") (us_minus "uk")]) 110 111(define_code_attr opcode 112 [(plus "add") (minus "sub") (smax "smax") (umax "umax") (smin "smin") (umin "umin")]) 113 114(define_code_attr add_rsub 115 [(plus "a") (minus "rs")]) 116 117(define_code_attr add_sub 118 [(plus "a") (minus "s")]) 119 120;;---------------------------------------------------------------------------- 121