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annotate gcc/config/csky/csky_pipeline_ck802.md @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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children 1830386684a0
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131
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1 ;; Instruction scheduling information for C-SKY CK802 processors.
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2 ;; Copyright (C) 2018 Free Software Foundation, Inc.
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3 ;; Contributed by C-SKY Microsystems and Mentor Graphics.
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4 ;;
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5 ;; This file is part of GCC.
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6 ;;
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7 ;; GCC is free software; you can redistribute it and/or modify it
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8 ;; under the terms of the GNU General Public License as published by
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9 ;; the Free Software Foundation; either version 3, or (at your option)
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10 ;; any later version.
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11 ;;
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12 ;; GCC is distributed in the hope that it will be useful, but
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13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 ;; General Public License for more details.
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16 ;;
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GCC; see the file COPYING3. If not see
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19 ;; <http://www.gnu.org/licenses/>. */
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20
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21 (define_automaton "csky_ck802")
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22
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23 (define_cpu_unit "csky_ck802_ex" "csky_ck802")
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24 (define_cpu_unit "csky_ck802_wb" "csky_ck802")
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25
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26 (define_insn_reservation "ck802_alu" 2
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27 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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28 (eq_attr "type" "alu"))
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29 "csky_ck802_ex, csky_ck802_wb")
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30
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31 (define_insn_reservation "ck802_branch" 2
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32 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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33 (eq_attr "type" "branch, branch_jmp"))
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34 "csky_ck802_ex, csky_ck802_wb")
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35
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36 (define_insn_reservation "ck802_cmp" 2
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37 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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38 (eq_attr "type" "cmp"))
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39 "csky_ck802_ex, csky_ck802_wb")
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40
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41 (define_insn_reservation "ck802_cbranch" 2
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42 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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43 (eq_attr "type" "cbranch"))
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44 "csky_ck802_ex, csky_ck802_wb")
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45
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46 (define_insn_reservation "ck802_call" 2
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47 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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48 (eq_attr "type" "call, call_jsr"))
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49 "csky_ck802_ex, csky_ck802_wb")
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50
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51 (define_insn_reservation "ck802_load" 2
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52 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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53 (and (eq_attr "type" "load")
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54 (match_test "!csky_minipool_load_p (insn)")))
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55 "csky_ck802_ex, csky_ck802_wb")
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56
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57 (define_insn_reservation "ck802_pool" 2
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58 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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59 (and (eq_attr "type" "load")
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60 (match_test "csky_minipool_load_p (insn)")))
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61 "csky_ck802_ex, csky_ck802_wb")
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62
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63 (define_insn_reservation "ck802_store" 2
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64 (and (match_test "CSKY_TARGET_ARCH (CK802)")
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65 (eq_attr "type" "store"))
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66 "csky_ck802_ex, csky_ck802_wb")
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67
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68 ;; Switching between constant pool loads and loads/stores in the data section
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69 ;; carries an extra penalty.
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70 (define_bypass 3 "ck802_load,ck802_store" "ck802_pool")
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71 (define_bypass 3 "ck802_pool" "ck802_load,ck802_store")
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72
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73 (define_bypass 1 "*" "ck802_alu")
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74
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75 (define_bypass 1 "*" "ck802_branch")
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76
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77 (define_bypass 2 "ck802_cmp" "ck802_cbranch")