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1 ;; Generic DFA-based pipeline description for MIPS targets
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2 ;; Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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3 ;;
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4 ;; This file is part of GCC.
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5
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6 ;; GCC is free software; you can redistribute it and/or modify it
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7 ;; under the terms of the GNU General Public License as published
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8 ;; by the Free Software Foundation; either version 3, or (at your
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9 ;; option) any later version.
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10
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11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
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12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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14 ;; License for more details.
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15
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16 ;; You should have received a copy of the GNU General Public License
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17 ;; along with GCC; see the file COPYING3. If not see
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18 ;; <http://www.gnu.org/licenses/>.
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19
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20
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21 ;; This file is derived from the old define_function_unit description.
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22 ;; Each reservation can be overridden on a processor-by-processor basis.
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23
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24 (define_insn_reservation "generic_alu" 1
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25 (eq_attr "type" "unknown,prefetch,prefetchx,condmove,const,arith,
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26 shift,slt,clz,trap,multi,nop,logical,signext,move")
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27 "alu")
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28
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29 (define_insn_reservation "generic_load" 3
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30 (eq_attr "type" "load,fpload,fpidxload")
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31 "alu")
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32
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33 (define_insn_reservation "generic_store" 1
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34 (eq_attr "type" "store,fpstore,fpidxstore")
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35 "alu")
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36
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37 (define_insn_reservation "generic_xfer" 2
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38 (eq_attr "type" "mfc,mtc")
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39 "alu")
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40
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41 (define_insn_reservation "generic_branch" 1
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42 (eq_attr "type" "branch,jump,call")
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43 "alu")
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44
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45 (define_insn_reservation "generic_hilo" 1
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46 (eq_attr "type" "mfhilo,mthilo")
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47 "imuldiv*3")
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48
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49 (define_insn_reservation "generic_imul" 17
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50 (eq_attr "type" "imul,imul3,imadd")
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51 "imuldiv*17")
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52
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53 (define_insn_reservation "generic_idiv" 38
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54 (eq_attr "type" "idiv")
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55 "imuldiv*38")
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56
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57 (define_insn_reservation "generic_fcvt" 1
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58 (eq_attr "type" "fcvt")
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59 "alu")
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60
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61 (define_insn_reservation "generic_fmove" 2
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62 (eq_attr "type" "fabs,fneg,fmove")
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63 "alu")
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64
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65 (define_insn_reservation "generic_fcmp" 3
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66 (eq_attr "type" "fcmp")
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67 "alu")
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68
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69 (define_insn_reservation "generic_fadd" 4
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70 (eq_attr "type" "fadd")
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71 "alu")
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72
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73 (define_insn_reservation "generic_fmul_single" 7
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74 (and (eq_attr "type" "fmul,fmadd")
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75 (eq_attr "mode" "SF"))
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76 "alu")
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77
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78 (define_insn_reservation "generic_fmul_double" 8
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79 (and (eq_attr "type" "fmul,fmadd")
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80 (eq_attr "mode" "DF"))
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81 "alu")
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82
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83 (define_insn_reservation "generic_fdiv_single" 23
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84 (and (eq_attr "type" "fdiv,frdiv")
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85 (eq_attr "mode" "SF"))
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86 "alu")
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87
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88 (define_insn_reservation "generic_fdiv_double" 36
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89 (and (eq_attr "type" "fdiv,frdiv")
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90 (eq_attr "mode" "DF"))
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91 "alu")
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92
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93 (define_insn_reservation "generic_fsqrt_single" 54
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94 (and (eq_attr "type" "fsqrt,frsqrt")
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95 (eq_attr "mode" "SF"))
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96 "alu")
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97
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98 (define_insn_reservation "generic_fsqrt_double" 112
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99 (and (eq_attr "type" "fsqrt,frsqrt")
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100 (eq_attr "mode" "DF"))
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101 "alu")
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102
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103 (define_insn_reservation "generic_frecip_fsqrt_step" 5
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104 (eq_attr "type" "frdiv1,frdiv2,frsqrt1,frsqrt2")
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105 "alu")
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