gcc/config/rs6000/40x.md

   1 ;; Scheduling description for IBM PowerPC 403 and PowerPC 405  processors.
   2 ;;   Copyright (C) 2003, 2004 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 (define_automaton "ppc40x,ppc40xiu")
  22 (define_cpu_unit "bpu_40x,fpu_405" "ppc40x")
  23 (define_cpu_unit "iu_40x" "ppc40xiu")
  24
  25 ;; PPC401 / PPC403 / PPC405 32-bit integer only  IU BPU
  26 ;; Embedded PowerPC controller
  27 ;; In-order execution
  28 ;; Max issue two insns/cycle (includes one branch)
  29 (define_insn_reservation "ppc403-load" 2
  30   (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u")
  31        (eq_attr "cpu" "ppc403,ppc405"))
  32   "iu_40x")
  33
  34 (define_insn_reservation "ppc403-store" 1
  35   (and (eq_attr "type" "store,store_ux,store_u")
  36        (eq_attr "cpu" "ppc403,ppc405"))
  37   "iu_40x")
  38
  39 (define_insn_reservation "ppc403-integer" 1
  40   (and (eq_attr "type" "integer,insert_word")
  41        (eq_attr "cpu" "ppc403,ppc405"))
  42   "iu_40x")
  43
  44 (define_insn_reservation "ppc403-two" 1
  45   (and (eq_attr "type" "two")
  46        (eq_attr "cpu" "ppc403,ppc405"))
  47   "iu_40x,iu_40x")
  48
  49 (define_insn_reservation "ppc403-three" 1
  50   (and (eq_attr "type" "three")
  51        (eq_attr "cpu" "ppc403,ppc405"))
  52   "iu_40x,iu_40x,iu_40x")
  53
  54 (define_insn_reservation "ppc403-compare" 3
  55   (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare")
  56        (eq_attr "cpu" "ppc403,ppc405"))
  57   "iu_40x,nothing,bpu_40x")
  58
  59 (define_insn_reservation "ppc403-imul" 4
  60   (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
  61        (eq_attr "cpu" "ppc403"))
  62   "iu_40x*4")
  63
  64 (define_insn_reservation "ppc405-imul" 5
  65   (and (eq_attr "type" "imul,imul_compare")
  66        (eq_attr "cpu" "ppc405"))
  67   "iu_40x*4")
  68
  69 (define_insn_reservation "ppc405-imul2" 3
  70   (and (eq_attr "type" "imul2")
  71        (eq_attr "cpu" "ppc405"))
  72   "iu_40x*2")
  73
  74 (define_insn_reservation "ppc405-imul3" 2
  75   (and (eq_attr "type" "imul3")
  76        (eq_attr "cpu" "ppc405"))
  77   "iu_40x")
  78
  79 (define_insn_reservation "ppc403-idiv" 33
  80   (and (eq_attr "type" "idiv")
  81        (eq_attr "cpu" "ppc403,ppc405"))
  82   "iu_40x*33")
  83
  84 (define_insn_reservation "ppc403-mfcr" 2
  85   (and (eq_attr "type" "mfcr")
  86        (eq_attr "cpu" "ppc403,ppc405"))
  87   "iu_40x")
  88
  89 (define_insn_reservation "ppc403-mtcr" 3
  90   (and (eq_attr "type" "mtcr")
  91        (eq_attr "cpu" "ppc403,ppc405"))
  92   "iu_40x")
  93
  94 (define_insn_reservation "ppc403-mtjmpr" 4
  95   (and (eq_attr "type" "mtjmpr")
  96        (eq_attr "cpu" "ppc403,ppc405"))
  97   "iu_40x")
  98
  99 (define_insn_reservation "ppc403-mfjmpr" 2
 100   (and (eq_attr "type" "mfjmpr")
 101        (eq_attr "cpu" "ppc403,ppc405"))
 102   "iu_40x")
 103
 104 (define_insn_reservation "ppc403-jmpreg" 1
 105   (and (eq_attr "type" "jmpreg,branch")
 106        (eq_attr "cpu" "ppc403,ppc405"))
 107   "bpu_40x")
 108
 109 (define_insn_reservation "ppc403-cr" 2
 110   (and (eq_attr "type" "cr_logical,delayed_cr")
 111        (eq_attr "cpu" "ppc403,ppc405"))
 112   "bpu_40x")
 113
 114 (define_insn_reservation "ppc405-float" 11
 115   (and (eq_attr "type" "fpload,fpload_ux,fpload_u,fpstore,fpstore_ux,fpstore_u,fpcompare,fp,dmul,sdiv,ddiv")
 116        (eq_attr "cpu" "ppc405"))
 117   "fpu_405*10")