gcc/config/mips/generic.md

   1 ;; Generic DFA-based pipeline description for MIPS targets
   2 ;;   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   3 ;;
   4 ;; This file is part of GCC.
   5
   6 ;; GCC is free software; you can redistribute it and/or modify it
   7 ;; under the terms of the GNU General Public License as published
   8 ;; by the Free Software Foundation; either version 2, or (at your
   9 ;; option) any later version.
  10
  11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
  12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14 ;; License for more details.
  15
  16 ;; You should have received a copy of the GNU General Public License
  17 ;; along with GCC; see the file COPYING.  If not, write to the
  18 ;; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  19 ;; MA 02110-1301, USA.
  20
  21
  22 ;; This file is derived from the old define_function_unit description.
  23 ;; Each reservation can be overridden on a processor-by-processor basis.
  24
  25 (define_insn_reservation "generic_alu" 1
  26   (eq_attr "type" "unknown,prefetch,prefetchx,condmove,const,arith,
  27                    shift,slt,clz,trap,multi,nop,logical,signext,move")
  28   "alu")
  29
  30 (define_insn_reservation "generic_load" 3
  31   (eq_attr "type" "load,fpload,fpidxload")
  32   "alu")
  33
  34 (define_insn_reservation "generic_store" 1
  35   (eq_attr "type" "store,fpstore,fpidxstore")
  36   "alu")
  37
  38 (define_insn_reservation "generic_xfer" 2
  39   (eq_attr "type" "mfc,mtc")
  40   "alu")
  41
  42 (define_insn_reservation "generic_branch" 1
  43   (eq_attr "type" "branch,jump,call")
  44   "alu")
  45
  46 (define_insn_reservation "generic_hilo" 1
  47   (eq_attr "type" "mfhilo,mthilo")
  48   "imuldiv*3")
  49
  50 (define_insn_reservation "generic_imul" 17
  51   (eq_attr "type" "imul,imul3,imadd")
  52   "imuldiv*17")
  53
  54 (define_insn_reservation "generic_idiv" 38
  55   (eq_attr "type" "idiv")
  56   "imuldiv*38")
  57
  58 (define_insn_reservation "generic_fcvt" 1
  59   (eq_attr "type" "fcvt")
  60   "alu")
  61
  62 (define_insn_reservation "generic_fmove" 2
  63   (eq_attr "type" "fabs,fneg,fmove")
  64   "alu")
  65
  66 (define_insn_reservation "generic_fcmp" 3
  67   (eq_attr "type" "fcmp")
  68   "alu")
  69
  70 (define_insn_reservation "generic_fadd" 4
  71   (eq_attr "type" "fadd")
  72   "alu")
  73
  74 (define_insn_reservation "generic_fmul_single" 7
  75   (and (eq_attr "type" "fmul,fmadd")
  76        (eq_attr "mode" "SF"))
  77   "alu")
  78
  79 (define_insn_reservation "generic_fmul_double" 8
  80   (and (eq_attr "type" "fmul,fmadd")
  81        (eq_attr "mode" "DF"))
  82   "alu")
  83
  84 (define_insn_reservation "generic_fdiv_single" 23
  85   (and (eq_attr "type" "fdiv,frdiv")
  86        (eq_attr "mode" "SF"))
  87   "alu")
  88
  89 (define_insn_reservation "generic_fdiv_double" 36
  90   (and (eq_attr "type" "fdiv,frdiv")
  91        (eq_attr "mode" "DF"))
  92   "alu")
  93
  94 (define_insn_reservation "generic_fsqrt_single" 54
  95   (and (eq_attr "type" "fsqrt,frsqrt")
  96        (eq_attr "mode" "SF"))
  97   "alu")
  98
  99 (define_insn_reservation "generic_fsqrt_double" 112
 100   (and (eq_attr "type" "fsqrt,frsqrt")
 101        (eq_attr "mode" "DF"))
 102   "alu")
 103
 104 (define_insn_reservation "generic_frecip_fsqrt_step" 5
 105   (eq_attr "type" "frdiv1,frdiv2,frsqrt1,frsqrt2")
 106   "alu")