1;; Scheduling description for Motorola PowerPC 7450 processor. 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 "ppc7450,ppc7450mciu,ppc7450fp,ppc7450vec") 22(define_cpu_unit "iu1_7450,iu2_7450,iu3_7450" "ppc7450") 23(define_cpu_unit "mciu_7450" "ppc7450mciu") 24(define_cpu_unit "fpu_7450" "ppc7450fp") 25(define_cpu_unit "lsu_7450,bpu_7450" "ppc7450") 26(define_cpu_unit "du1_7450,du2_7450,du3_7450" "ppc7450") 27(define_cpu_unit "vecsmpl_7450,veccmplx_7450,vecflt_7450,vecperm_7450" "ppc7450vec") 28(define_cpu_unit "vdu1_7450,vdu2_7450" "ppc7450vec") 29 30 31;; PPC7450 32-bit 3xIU, MCIU, LSU, SRU, FPU, BPU, 4xVEC 32;; IU1,IU2,IU3 can perform all integer operations 33;; MCIU performs imul and idiv, cr logical, SPR moves 34;; LSU 2 stage pipelined 35;; FPU 3 stage pipelined 36;; It also has 4 vector units, one for each type of vector instruction. 37;; However, we can only dispatch 2 instructions per cycle. 38;; Max issue 3 insns/clock cycle (includes 1 branch) 39;; In-order execution 40 41;; Branches go straight to the BPU. All other insns are handled 42;; by a dispatch unit which can issue a max of 3 insns per cycle. 43(define_reservation "ppc7450_du" "du1_7450|du2_7450|du3_7450") 44(define_reservation "ppc7450_vec_du" "vdu1_7450|vdu2_7450") 45 46(define_insn_reservation "ppc7450-load" 3 47 (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,\ 48 load_ux,load_u,vecload") 49 (eq_attr "cpu" "ppc7450")) 50 "ppc7450_du,lsu_7450") 51 52(define_insn_reservation "ppc7450-store" 3 53 (and (eq_attr "type" "store,store_ux,store_u,vecstore") 54 (eq_attr "cpu" "ppc7450")) 55 "ppc7450_du,lsu_7450") 56 57(define_insn_reservation "ppc7450-fpload" 4 58 (and (eq_attr "type" "fpload,fpload_ux,fpload_u") 59 (eq_attr "cpu" "ppc7450")) 60 "ppc7450_du,lsu_7450") 61 62(define_insn_reservation "ppc7450-fpstore" 3 63 (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u") 64 (eq_attr "cpu" "ppc7450")) 65 "ppc7450_du,lsu_7450*3") 66 67(define_insn_reservation "ppc7450-llsc" 3 68 (and (eq_attr "type" "load_l,store_c") 69 (eq_attr "cpu" "ppc7450")) 70 "ppc7450_du,lsu_7450") 71 72(define_insn_reservation "ppc7450-sync" 35 73 (and (eq_attr "type" "sync") 74 (eq_attr "cpu" "ppc7450")) 75 "ppc7450_du,lsu_7450") 76 77(define_insn_reservation "ppc7450-integer" 1 78 (and (eq_attr "type" "integer,insert_word") 79 (eq_attr "cpu" "ppc7450")) 80 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450") 81 82(define_insn_reservation "ppc7450-two" 1 83 (and (eq_attr "type" "two") 84 (eq_attr "cpu" "ppc7450")) 85 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450") 86 87(define_insn_reservation "ppc7450-three" 1 88 (and (eq_attr "type" "three") 89 (eq_attr "cpu" "ppc7450")) 90 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,\ 91 iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450") 92 93(define_insn_reservation "ppc7450-imul" 4 94 (and (eq_attr "type" "imul,imul_compare") 95 (eq_attr "cpu" "ppc7450")) 96 "ppc7450_du,mciu_7450*2") 97 98(define_insn_reservation "ppc7450-imul2" 3 99 (and (eq_attr "type" "imul2,imul3") 100 (eq_attr "cpu" "ppc7450")) 101 "ppc7450_du,mciu_7450") 102 103(define_insn_reservation "ppc7450-idiv" 23 104 (and (eq_attr "type" "idiv") 105 (eq_attr "cpu" "ppc7450")) 106 "ppc7450_du,mciu_7450*23") 107 108(define_insn_reservation "ppc7450-compare" 2 109 (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare") 110 (eq_attr "cpu" "ppc7450")) 111 "ppc7450_du,(iu1_7450|iu2_7450|iu3_7450)") 112 113(define_insn_reservation "ppc7450-fpcompare" 5 114 (and (eq_attr "type" "fpcompare") 115 (eq_attr "cpu" "ppc7450")) 116 "ppc7450_du,fpu_7450") 117 118(define_insn_reservation "ppc7450-fp" 5 119 (and (eq_attr "type" "fp,dmul") 120 (eq_attr "cpu" "ppc7450")) 121 "ppc7450_du,fpu_7450") 122 123; Divides are not pipelined 124(define_insn_reservation "ppc7450-sdiv" 21 125 (and (eq_attr "type" "sdiv") 126 (eq_attr "cpu" "ppc7450")) 127 "ppc7450_du,fpu_7450*21") 128 129(define_insn_reservation "ppc7450-ddiv" 35 130 (and (eq_attr "type" "ddiv") 131 (eq_attr "cpu" "ppc7450")) 132 "ppc7450_du,fpu_7450*35") 133 134(define_insn_reservation "ppc7450-mfcr" 2 135 (and (eq_attr "type" "mfcr,mtcr") 136 (eq_attr "cpu" "ppc7450")) 137 "ppc7450_du,mciu_7450") 138 139(define_insn_reservation "ppc7450-crlogical" 1 140 (and (eq_attr "type" "cr_logical,delayed_cr") 141 (eq_attr "cpu" "ppc7450")) 142 "ppc7450_du,mciu_7450") 143 144(define_insn_reservation "ppc7450-mtjmpr" 2 145 (and (eq_attr "type" "mtjmpr") 146 (eq_attr "cpu" "ppc7450")) 147 "nothing,mciu_7450*2") 148 149(define_insn_reservation "ppc7450-mfjmpr" 3 150 (and (eq_attr "type" "mfjmpr") 151 (eq_attr "cpu" "ppc7450")) 152 "nothing,mciu_7450*2") 153 154(define_insn_reservation "ppc7450-jmpreg" 1 155 (and (eq_attr "type" "jmpreg,branch,isync") 156 (eq_attr "cpu" "ppc7450")) 157 "nothing,bpu_7450") 158 159;; Altivec 160(define_insn_reservation "ppc7450-vecsimple" 1 161 (and (eq_attr "type" "vecsimple") 162 (eq_attr "cpu" "ppc7450")) 163 "ppc7450_du,ppc7450_vec_du,vecsmpl_7450") 164 165(define_insn_reservation "ppc7450-veccomplex" 4 166 (and (eq_attr "type" "veccomplex") 167 (eq_attr "cpu" "ppc7450")) 168 "ppc7450_du,ppc7450_vec_du,veccmplx_7450") 169 170(define_insn_reservation "ppc7450-veccmp" 2 171 (and (eq_attr "type" "veccmp") 172 (eq_attr "cpu" "ppc7450")) 173 "ppc7450_du,ppc7450_vec_du,veccmplx_7450") 174 175(define_insn_reservation "ppc7450-vecfloat" 4 176 (and (eq_attr "type" "vecfloat") 177 (eq_attr "cpu" "ppc7450")) 178 "ppc7450_du,ppc7450_vec_du,vecflt_7450") 179 180(define_insn_reservation "ppc7450-vecperm" 2 181 (and (eq_attr "type" "vecperm") 182 (eq_attr "cpu" "ppc7450")) 183 "ppc7450_du,ppc7450_vec_du,vecperm_7450") 184 185