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1 ;; R3000 and TX39 pipeline description.
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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 overrides parts of generic.md. It is derived from the
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22 ;; old define_function_unit description.
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23
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24 (define_insn_reservation "r3k_load" 2
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25 (and (eq_attr "cpu" "r3000,r3900")
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26 (eq_attr "type" "load,fpload,fpidxload"))
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27 "alu")
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28
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29 (define_insn_reservation "r3k_imul" 12
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30 (and (eq_attr "cpu" "r3000,r3900")
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31 (eq_attr "type" "imul,imul3,imadd"))
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32 "imuldiv*12")
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33
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34 (define_insn_reservation "r3k_idiv" 35
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35 (and (eq_attr "cpu" "r3000,r3900")
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36 (eq_attr "type" "idiv"))
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37 "imuldiv*35")
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38
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39 (define_insn_reservation "r3k_fmove" 1
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40 (and (eq_attr "cpu" "r3000,r3900")
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41 (eq_attr "type" "fabs,fneg,fmove"))
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42 "alu")
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43
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44 (define_insn_reservation "r3k_fadd" 2
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45 (and (eq_attr "cpu" "r3000,r3900")
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46 (eq_attr "type" "fcmp,fadd"))
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47 "alu")
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48
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49 (define_insn_reservation "r3k_fmul_single" 4
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50 (and (eq_attr "cpu" "r3000,r3900")
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51 (and (eq_attr "type" "fmul,fmadd")
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52 (eq_attr "mode" "SF")))
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53 "alu")
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54
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55 (define_insn_reservation "r3k_fmul_double" 5
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56 (and (eq_attr "cpu" "r3000,r3900")
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57 (and (eq_attr "type" "fmul,fmadd")
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58 (eq_attr "mode" "DF")))
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59 "alu")
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60
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61 (define_insn_reservation "r3k_fdiv_single" 12
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62 (and (eq_attr "cpu" "r3000,r3900")
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63 (and (eq_attr "type" "fdiv,frdiv")
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64 (eq_attr "mode" "SF")))
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65 "alu")
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66
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67 (define_insn_reservation "r3k_fdiv_double" 19
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68 (and (eq_attr "cpu" "r3000,r3900")
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69 (and (eq_attr "type" "fdiv,frdiv")
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70 (eq_attr "mode" "DF")))
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71 "alu")
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