Subversion Repositories openrisc_2011-10-31

;; Machine Descriptions for R8C/M16C/M32C

;; Copyright (C) 2005, 2007

;; Free Software Foundation, Inc.

;; Contributed by Red Hat.

;;

;; 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

;; .

(define_constants

  [(R0_REGNO 0)

   (R2_REGNO 1)

   (R1_REGNO 2)

   (R3_REGNO 3)

   (A0_REGNO 4)

   (A1_REGNO 5)

   (SB_REGNO 6)

   (FB_REGNO 7)

   (SP_REGNO 8)

   (PC_REGNO 9)

   (FLG_REGNO 10)

   (MEM0_REGNO 12)

   (MEM7_REGNO 19)

   ])

(define_constants

  [(UNS_PROLOGUE_END 1)

   (UNS_EPILOGUE_START 2)

   (UNS_EH_EPILOGUE 3)

   (UNS_PUSHM 4)

   (UNS_POPM 5)

   (UNS_SMOVF 6)

   (UNS_SSTR 7)

   (UNS_SCMPU 8)

   (UNS_SMOVU 9)

   (UNS_FSETB 10)

   (UNS_FREIT 11)

   ])

;; n = no change, x = clobbered.  The first 16 values are chosen such

;; that the enum has one bit set for each flag.

(define_attr "flags" "x,c,z,zc,s,sc,sz,szc,o,oc,oz,ozc,os,osc,osz,oszc,n" (const_string "n"))

(define_asm_attributes [(set_attr "flags" "x")])

(define_mode_iterator QHI [QI HI])

(define_mode_iterator HPSI [(HI "TARGET_A16") (PSI "TARGET_A24")])

(define_mode_iterator QHPSI [QI HI (PSI "TARGET_A24")])

(define_mode_iterator QHSI [QI HI (SI "TARGET_A24")])

(define_mode_attr bwl [(QI "b") (HI "w") (PSI "l") (SI "l")])

(define_code_iterator eqne_cond [eq ne])

(define_insn "nop"

  [(const_int 0)]

  ""

  "nop"

  [(set_attr "flags" "n")]

)

(define_insn "no_insn"

  [(const_int 1)]

  ""

  ""

  [(set_attr "flags" "n")]

)