9000.md revision 169689
1169689Skan;; DFA-based pipeline description for the RM9000. 2169689Skan;; Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. 3169689Skan;; 4169689Skan;; This file is part of GCC. 5169689Skan 6169689Skan;; GCC is free software; you can redistribute it and/or modify it 7169689Skan;; under the terms of the GNU General Public License as published 8169689Skan;; by the Free Software Foundation; either version 2, or (at your 9169689Skan;; option) any later version. 10169689Skan 11169689Skan;; GCC is distributed in the hope that it will be useful, but WITHOUT 12169689Skan;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13169689Skan;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14169689Skan;; License for more details. 15169689Skan 16169689Skan;; You should have received a copy of the GNU General Public License 17169689Skan;; along with GCC; see the file COPYING. If not, write to the 18169689Skan;; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 19169689Skan;; MA 02110-1301, USA. 20169689Skan 21169689Skan(define_automaton "rm9k_main, rm9k_imul, rm9k_fdiv") 22169689Skan 23169689Skan;; These units are for insns that can issue in either pipe. We don't 24169689Skan;; want to use constructs like "rm9k_m | rm9k_f_int" since that would 25169689Skan;; needlessly make an insn prefer the M pipe. 26169689Skan(define_cpu_unit "rm9k_any1" "rm9k_main") 27169689Skan(define_cpu_unit "rm9k_any2" "rm9k_main") 28169689Skan 29169689Skan;; F and M pipe units, for instructions that must be issued by a 30169689Skan;; particular pipe. Split the F pipe into two units so that integer 31169689Skan;; instructions can issue while the FPU is busy. We don't need to 32169689Skan;; split M because it is only ever reserved for a single cycle. 33169689Skan(define_cpu_unit "rm9k_m" "rm9k_main") 34169689Skan(define_cpu_unit "rm9k_f_int" "rm9k_main") 35169689Skan(define_cpu_unit "rm9k_f_float" "rm9k_main") 36169689Skan 37169689Skan(exclusion_set "rm9k_f_int" "rm9k_f_float") 38169689Skan 39169689Skan;; Multiply/divide units. 40169689Skan(define_cpu_unit "rm9k_imul" "rm9k_imul") 41169689Skan(define_cpu_unit "rm9k_fdiv" "rm9k_fdiv") 42169689Skan 43169689Skan(define_insn_reservation "rm9k_load" 3 44169689Skan (and (eq_attr "cpu" "r9000") 45169689Skan (eq_attr "type" "load,fpload,fpidxload")) 46169689Skan "rm9k_m") 47169689Skan 48169689Skan(define_insn_reservation "rm9k_store" 1 49169689Skan (and (eq_attr "cpu" "r9000") 50169689Skan (eq_attr "type" "store,fpstore,fpidxstore")) 51169689Skan "rm9k_m") 52169689Skan 53169689Skan(define_insn_reservation "rm9k_int" 1 54169689Skan (and (eq_attr "cpu" "r9000") 55169689Skan (eq_attr "type" "arith,shift,slt,clz,const,nop,trap")) 56169689Skan "rm9k_any1 | rm9k_any2") 57169689Skan 58169689Skan(define_insn_reservation "rm9k_int_cmove" 2 59169689Skan (and (eq_attr "cpu" "r9000") 60169689Skan (and (eq_attr "type" "condmove") 61169689Skan (eq_attr "mode" "SI,DI"))) 62169689Skan "rm9k_any1 | rm9k_any2") 63169689Skan 64169689Skan;; This applies to both 'mul' and 'mult'. 65169689Skan(define_insn_reservation "rm9k_mulsi" 3 66169689Skan (and (eq_attr "cpu" "r9000") 67169689Skan (and (eq_attr "type" "imul,imul3,imadd") 68169689Skan (eq_attr "mode" "!DI"))) 69169689Skan "rm9k_f_int") 70169689Skan 71169689Skan(define_insn_reservation "rm9k_muldi" 7 72169689Skan (and (eq_attr "cpu" "r9000") 73169689Skan (and (eq_attr "type" "imul,imul3,imadd") 74169689Skan (eq_attr "mode" "DI"))) 75169689Skan "rm9k_f_int + rm9k_imul * 7") 76169689Skan 77169689Skan(define_insn_reservation "rm9k_divsi" 38 78169689Skan (and (eq_attr "cpu" "r9000") 79169689Skan (and (eq_attr "type" "idiv") 80169689Skan (eq_attr "mode" "!DI"))) 81169689Skan "rm9k_f_int + rm9k_imul * 38") 82169689Skan 83169689Skan(define_insn_reservation "rm9k_divdi" 70 84169689Skan (and (eq_attr "cpu" "r9000") 85169689Skan (and (eq_attr "type" "idiv") 86169689Skan (eq_attr "mode" "DI"))) 87169689Skan "rm9k_f_int + rm9k_imul * 70") 88169689Skan 89169689Skan(define_insn_reservation "rm9k_mfhilo" 1 90169689Skan (and (eq_attr "cpu" "r9000") 91169689Skan (eq_attr "type" "mfhilo")) 92169689Skan "rm9k_f_int") 93169689Skan 94169689Skan(define_insn_reservation "rm9k_mthilo" 5 95169689Skan (and (eq_attr "cpu" "r9000") 96169689Skan (eq_attr "type" "mthilo")) 97169689Skan "rm9k_f_int") 98169689Skan 99169689Skan(define_insn_reservation "rm9k_xfer" 2 100169689Skan (and (eq_attr "cpu" "r9000") 101169689Skan (eq_attr "type" "xfer")) 102169689Skan "rm9k_m") 103169689Skan 104169689Skan(define_insn_reservation "rm9k_fquick" 2 105169689Skan (and (eq_attr "cpu" "r9000") 106169689Skan (eq_attr "type" "fabs,fneg,fcmp,fmove")) 107169689Skan "rm9k_f_float") 108169689Skan 109169689Skan(define_insn_reservation "rm9k_fcmove" 2 110169689Skan (and (eq_attr "cpu" "r9000") 111169689Skan (and (eq_attr "type" "condmove") 112169689Skan (eq_attr "mode" "SF,DF"))) 113169689Skan "rm9k_m") 114169689Skan 115169689Skan(define_insn_reservation "rm9k_fadd" 6 116169689Skan (and (eq_attr "cpu" "r9000") 117169689Skan (eq_attr "type" "fadd,fcvt")) 118169689Skan "rm9k_f_float") 119169689Skan 120169689Skan(define_insn_reservation "rm9k_fmuls" 6 121169689Skan (and (eq_attr "cpu" "r9000") 122169689Skan (and (eq_attr "type" "fmul,fmadd") 123169689Skan (eq_attr "mode" "SF"))) 124169689Skan "rm9k_f_float") 125169689Skan 126169689Skan(define_insn_reservation "rm9k_fmuld" 9 127169689Skan (and (eq_attr "cpu" "r9000") 128169689Skan (and (eq_attr "type" "fmul,fmadd") 129169689Skan (eq_attr "mode" "DF"))) 130169689Skan "rm9k_f_float * 3") 131169689Skan 132169689Skan(define_insn_reservation "rm9k_fdivs" 22 133169689Skan (and (eq_attr "cpu" "r9000") 134169689Skan (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt") 135169689Skan (eq_attr "mode" "SF"))) 136169689Skan "rm9k_f_float + rm9k_fdiv * 22") 137169689Skan 138169689Skan(define_insn_reservation "rm9k_fdivd" 37 139169689Skan (and (eq_attr "cpu" "r9000") 140169689Skan (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt") 141169689Skan (eq_attr "mode" "DF"))) 142169689Skan "rm9k_f_float + rm9k_fdiv * 37") 143169689Skan 144169689Skan(define_insn_reservation "rm9k_branch" 2 145169689Skan (and (eq_attr "cpu" "r9000") 146169689Skan (eq_attr "type" "branch,jump,call")) 147169689Skan "rm9k_any1 | rm9k_any2") 148169689Skan 149169689Skan(define_insn_reservation "rm9k_unknown" 1 150169689Skan (and (eq_attr "cpu" "r9000") 151169689Skan (eq_attr "type" "unknown,multi")) 152169689Skan "rm9k_m + rm9k_f_int + rm9k_any1 + rm9k_any2") 153