Subversion Repositories openrisc_2011-10-31

;; Generic DFA-based pipeline description for MIPS targets

;;   Copyright (C) 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

;; .

;; This file is derived from the old define_function_unit description.

;; Each reservation can be overridden on a processor-by-processor basis.

(define_insn_reservation "generic_alu" 1

  (eq_attr "type" "unknown,prefetch,prefetchx,condmove,const,arith,

                   shift,slt,clz,trap,multi,nop,logical,signext,move")

  "alu")

(define_insn_reservation "generic_load" 3

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

  "alu")

(define_insn_reservation "generic_store" 1

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

  "alu")

(define_insn_reservation "generic_xfer" 2

  (eq_attr "type" "mfc,mtc")

  "alu")

(define_insn_reservation "generic_branch" 1

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

  "alu")

(define_insn_reservation "generic_hilo" 1

  (eq_attr "type" "mfhilo,mthilo")

  "imuldiv*3")

(define_insn_reservation "generic_imul" 17

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

  "imuldiv*17")

(define_insn_reservation "generic_idiv" 38

  (eq_attr "type" "idiv")

  "imuldiv*38")

(define_insn_reservation "generic_fcvt" 1

  (eq_attr "type" "fcvt")

  "alu")

(define_insn_reservation "generic_fmove" 2

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

  "alu")

(define_insn_reservation "generic_fcmp" 3

  (eq_attr "type" "fcmp")

  "alu")

(define_insn_reservation "generic_fadd" 4

  (eq_attr "type" "fadd")

  "alu")

(define_insn_reservation "generic_fmul_single" 7

  (and (eq_attr "type" "fmul,fmadd")

       (eq_attr "mode" "SF"))

  "alu")

(define_insn_reservation "generic_fmul_double" 8

  (and (eq_attr "type" "fmul,fmadd")

       (eq_attr "mode" "DF"))

  "alu")

(define_insn_reservation "generic_fdiv_single" 23

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

       (eq_attr "mode" "SF"))

  "alu")

(define_insn_reservation "generic_fdiv_double" 36

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

       (eq_attr "mode" "DF"))

  "alu")

(define_insn_reservation "generic_fsqrt_single" 54

  (and (eq_attr "type" "fsqrt,frsqrt")

       (eq_attr "mode" "SF"))

  "alu")

(define_insn_reservation "generic_fsqrt_double" 112

  (and (eq_attr "type" "fsqrt,frsqrt")

       (eq_attr "mode" "DF"))

  "alu")

(define_insn_reservation "generic_frecip_fsqrt_step" 5

  (eq_attr "type" "frdiv1,frdiv2,frsqrt1,frsqrt2")

  "alu")