Subversion Repositories openrisc

;; Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.

;;

;; This file is part of GCC.

;;

;; GCC is free software; you can redistribute it and/or modify

;; it under the terms of the GNU General Public License as published by

;; the Free Software Foundation; either version 3, or (at your option)

;; any later version.

;;

;; GCC is distributed in the hope that it will be useful,

;; but WITHOUT ANY WARRANTY; without even the implied warranty of

;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

;; GNU General Public License for more details.

;;

;; You should have received a copy of the GNU General Public License

;; along with GCC; see the file COPYING3.  If not see

;; .

;;

;; DFA-based pipeline description for 5400

(define_automaton "vr54")

(define_cpu_unit "vr54_dp0"     "vr54")

(define_cpu_unit "vr54_dp1"     "vr54")

(define_cpu_unit "vr54_mem"     "vr54")

(define_cpu_unit "vr54_mac"     "vr54")

;;

;; The ordering of the instruction-execution-path/resource-usage

;; descriptions (also known as reservation RTL) is roughly ordered

;; based on the define attribute RTL for the "type" classification.

;; When modifying, remember that the first test that matches is the

;; reservation used!

;;

(define_insn_reservation "ir_vr54_unknown" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "unknown"))

  "vr54_dp0+vr54_dp1+vr54_mem+vr54_mac")

;; Assume prediction fails.

(define_insn_reservation "ir_vr54_branch" 3

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "branch,jump,call"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_load" 2

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "load,fpload,fpidxload"))

  "vr54_mem")

(define_insn_reservation "ir_vr54_store" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "store"))

  "vr54_mem")

(define_insn_reservation "ir_vr54_fstore" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "fpstore,fpidxstore"))

  "vr54_mem")

;; This reservation is for conditional move based on integer

;; or floating point CC.

(define_insn_reservation "ir_vr54_condmove" 4

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "condmove"))

  "vr54_dp0|vr54_dp1")

;; Move to/from FPU registers

(define_insn_reservation "ir_vr54_xfer" 2

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "mfc,mtc"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_hilo" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "mthilo,mfhilo"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_arith" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "arith,shift,signext,slt,clz,const,logical,move,nop,trap"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_imul_si" 3

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "imul,imul3")

            (eq_attr "mode" "SI")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_imul_di" 4

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "imul,imul3")

            (eq_attr "mode" "DI")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_imadd_si" 3

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "imul,imul3"))

  "vr54_mac")

(define_insn_reservation "ir_vr54_idiv_si" 42

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "idiv")

            (eq_attr "mode" "SI")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_idiv_di" 74

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "idiv")

            (eq_attr "mode" "DI")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fadd" 4

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "fadd"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fmul_sf" 5

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fmul")

            (eq_attr "mode" "SF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fmul_df" 6

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fmul")

            (eq_attr "mode" "DF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fmadd_sf" 9

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fmadd")

            (eq_attr "mode" "SF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fmadd_df" 10

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fmadd")

            (eq_attr "mode" "DF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fdiv_sf" 42

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fdiv,frdiv,fsqrt")

            (eq_attr "mode" "SF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fdiv_df" 72

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "fdiv,frdiv,fsqrt")

            (eq_attr "mode" "DF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fabs" 2

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "fabs,fneg,fmove"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fcmp" 2

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "fcmp"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_fcvt" 6

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "fcvt"))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_frsqrt_sf" 61

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "frsqrt")

            (eq_attr "mode" "SF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_frsqrt_df" 121

  (and (eq_attr "cpu" "r5400")

       (and (eq_attr "type" "frsqrt")

            (eq_attr "mode" "DF")))

  "vr54_dp0|vr54_dp1")

(define_insn_reservation "ir_vr54_multi" 1

  (and (eq_attr "cpu" "r5400")

       (eq_attr "type" "multi"))

  "vr54_dp0+vr54_dp1+vr54_mem+vr54_mac")