gcc/config/loongarch/la464.md

   1 ;; Pipeline model for LoongArch LA464 cores.
   2
   3 ;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
   4 ;; Contributed by Loongson Ltd.
   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 ;; Uncomment the following line to output automata for debugging.
  23 ;; (automata_option "v")
  24
  25 ;; Automaton for integer instructions.
  26 (define_automaton "la464_a_alu")
  27
  28 ;; Automaton for floating-point instructions.
  29 (define_automaton "la464_a_falu")
  30
  31 ;; Automaton for memory operations.
  32 (define_automaton "la464_a_mem")
  33
  34 ;; Describe the resources.
  35
  36 (define_cpu_unit "la464_alu1" "la464_a_alu")
  37 (define_cpu_unit "la464_alu2" "la464_a_alu")
  38 (define_cpu_unit "la464_mem1" "la464_a_mem")
  39 (define_cpu_unit "la464_mem2" "la464_a_mem")
  40 (define_cpu_unit "la464_falu1" "la464_a_falu")
  41 (define_cpu_unit "la464_falu2" "la464_a_falu")
  42
  43 ;; Describe instruction reservations.
  44
  45 (define_insn_reservation "la464_arith" 1
  46   (and (match_test "TARGET_TUNE_LA464")
  47        (eq_attr "type" "arith,clz,const,logical,
  48                         move,nop,shift,signext,slt"))
  49   "la464_alu1 | la464_alu2")
  50
  51 (define_insn_reservation "la464_branch" 1
  52   (and (match_test "TARGET_TUNE_LA464")
  53        (eq_attr "type" "branch,jump,call,condmove,trap"))
  54   "la464_alu1 | la464_alu2")
  55
  56 (define_insn_reservation "la464_imul" 7
  57   (and (match_test "TARGET_TUNE_LA464")
  58        (eq_attr "type" "imul"))
  59   "la464_alu1 | la464_alu2")
  60
  61 (define_insn_reservation "la464_idiv_si" 12
  62   (and (match_test "TARGET_TUNE_LA464")
  63        (and (eq_attr "type" "idiv")
  64             (eq_attr "mode" "SI")))
  65   "la464_alu1 | la464_alu2")
  66
  67 (define_insn_reservation "la464_idiv_di" 25
  68   (and (match_test "TARGET_TUNE_LA464")
  69        (and (eq_attr "type" "idiv")
  70             (eq_attr "mode" "DI")))
  71   "la464_alu1 | la464_alu2")
  72
  73 (define_insn_reservation "la464_load" 4
  74   (and (match_test "TARGET_TUNE_LA464")
  75        (eq_attr "type" "load"))
  76   "la464_mem1 | la464_mem2")
  77
  78 (define_insn_reservation "la464_gpr_fp" 16
  79   (and (match_test "TARGET_TUNE_LA464")
  80        (eq_attr "type" "mftg,mgtf"))
  81   "la464_mem1")
  82
  83 (define_insn_reservation "la464_fpload" 4
  84   (and (match_test "TARGET_TUNE_LA464")
  85        (eq_attr "type" "fpload"))
  86   "la464_mem1 | la464_mem2")
  87
  88 (define_insn_reservation "la464_prefetch" 0
  89   (and (match_test "TARGET_TUNE_LA464")
  90        (eq_attr "type" "prefetch,prefetchx"))
  91   "la464_mem1 | la464_mem2")
  92
  93 (define_insn_reservation "la464_store" 0
  94   (and (match_test "TARGET_TUNE_LA464")
  95        (eq_attr "type" "store,fpstore,fpidxstore"))
  96   "la464_mem1 | la464_mem2")
  97
  98 (define_insn_reservation "la464_fadd" 4
  99   (and (match_test "TARGET_TUNE_LA464")
 100        (eq_attr "type" "fadd,fmul,fmadd"))
 101   "la464_falu1 | la464_falu2")
 102
 103 (define_insn_reservation "la464_fcmp" 2
 104   (and (match_test "TARGET_TUNE_LA464")
 105        (eq_attr "type" "fabs,fcmp,fmove,fneg"))
 106   "la464_falu1 | la464_falu2")
 107
 108 (define_insn_reservation "la464_fcvt" 4
 109   (and (match_test "TARGET_TUNE_LA464")
 110        (eq_attr "type" "fcvt"))
 111   "la464_falu1 | la464_falu2")
 112
 113 (define_insn_reservation "la464_fdiv_sf" 12
 114   (and (match_test "TARGET_TUNE_LA464")
 115        (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
 116             (eq_attr "mode" "SF")))
 117   "la464_falu1 | la464_falu2")
 118
 119 (define_insn_reservation "la464_fdiv_df" 19
 120   (and (match_test "TARGET_TUNE_LA464")
 121        (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
 122             (eq_attr "mode" "DF")))
 123   "la464_falu1 | la464_falu2")
 124
 125 ;; Force single-dispatch for unknown or multi.
 126 (define_insn_reservation "la464_unknown" 1
 127   (and (match_test "TARGET_TUNE_LA464")
 128        (eq_attr "type" "unknown,multi,atomic,syncloop"))
 129   "la464_alu1 + la464_alu2 + la464_falu1
 130    + la464_falu2 + la464_mem1 + la464_mem2")
 131
 132 ;; End of DFA-based pipeline description for la464