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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [mep/] [mep-c5.cpu] - Blame information for rev 282

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Line No. Rev Author Line
1 282 jeremybenn
; Toshiba MeP C5 Core description.  -*- scheme -*-
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; Copyright (C) 2009
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; Free Software Foundation, Inc.
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; Contributed by Red Hat, Inc.
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;
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; This file is part of GCC.
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;
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; GCC is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License as published by the Free
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; Software Foundation; either version 3, or (at your option) any later
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; version.
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;
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; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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; for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with GCC; see the file COPYING3.  If not see
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; .
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(dnf f-c5n4     "extended field"     (all-mep-core-isas)   16  4)
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(dnf f-c5n5     "extended field"     (all-mep-core-isas)   20  4)
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(dnf f-c5n6     "extended field"     (all-mep-core-isas)   24  4)
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(dnf f-c5n7     "extended field"     (all-mep-core-isas)   28  4)
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(dnf f-rl5      "register l c5"      (all-mep-core-isas)   20  4)
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(df  f-12s20    "extended field"     (all-mep-core-isas)   20  12  INT #f #f)
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(dnop rl5       "register Rl c5"     (all-mep-core-isas) h-gpr   f-rl5)
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(dnop cdisp12   "copro addend (12 bits)" (all-mep-core-isas) h-sint  f-12s20)
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(dnci stcb_r "store in control bus space" (VOLATILE (MACH c5))
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     "stcb $rn,($rma)"
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     (+ MAJ_7 rn rma (f-sub4 12))
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     (c-call VOID "do_stcb" rn (and rma #xffff))
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     ((mep (unit u-use-gpr (in usereg rn))
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           (unit u-use-gpr (in usereg rma))
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           (unit u-exec)
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           (unit u-stcb))))
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(dnci ldcb_r "load from control bus space" (VOLATILE (MACH c5) (LATENCY 3))
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     "ldcb $rn,($rma)"
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     (+ MAJ_7 rn rma (f-sub4 13))
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     (set rn (c-call SI "do_ldcb" (and rma #xffff)))
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      ((mep (unit u-use-gpr (in usereg rma))
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            (unit u-ldcb)
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            (unit u-exec)
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            (unit u-ldcb-gpr (out loadreg rn)))))
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(dnci pref "cache prefetch" ((MACH c5) VOLATILE)
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     "pref $cimm4,($rma)"
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     (+ MAJ_7 cimm4 rma (f-sub4 5))
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     (sequence ()
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               (c-call VOID "check_option_dcache" pc)
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               (c-call VOID "do_cache_prefetch" cimm4 rma pc))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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59
(dnci prefd "cache prefetch" ((MACH c5) VOLATILE)
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     "pref $cimm4,$sdisp16($rma)"
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     (+ MAJ_15 cimm4 rma (f-sub4 3) sdisp16)
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     (sequence ()
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               (c-call VOID "check_option_dcache" pc)
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               (c-call VOID "do_cache_prefetch" cimm4 (add INT rma (ext SI sdisp16)) pc))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci casb3 "compare and swap byte 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
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      "casb3 $rl5,$rn,($rm)"
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      (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x0))
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      (sequence ()
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                (c-call VOID "do_casb3" (index-of rl5) rn rm pc)
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                (set rl5 rl5)
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                )
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      ((mep (unit u-use-gpr (in usereg rl5))
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            (unit u-load-gpr (out loadreg rl5))
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            (unit u-exec))))
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(dnci cash3 "compare and swap halfword 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
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      "cash3 $rl5,$rn,($rm)"
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      (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x1))
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      (sequence ()
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                (c-call VOID "do_cash3" (index-of rl5) rn rm pc)
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                (set rl5 rl5)
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                )
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      ((mep (unit u-use-gpr (in usereg rl5))
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            (unit u-load-gpr (out loadreg rl5))
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            (unit u-exec))))
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90
(dnci casw3 "compare and swap word 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
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      "casw3 $rl5,$rn,($rm)"
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      (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x2))
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      (sequence ()
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                (c-call VOID "do_casw3" (index-of rl5) rn rm pc)
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                (set rl5 rl5)
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                )
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      ((mep (unit u-use-gpr (in usereg rl5))
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            (unit u-load-gpr (out loadreg rl5))
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            (unit u-exec))))
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101
 
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(dnci sbcp "store byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "sbcp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 0) cdisp12)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (c-call VOID "check_write_to_text" (add rma (ext SI cdisp12)))
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               (set (mem QI (add rma (ext SI cdisp12))) (and crn #xff)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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113
(dnci lbcp "load byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "lbcp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 4) cdisp12)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (ext SI (mem QI (add rma (ext SI cdisp12))))))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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122
(dnci lbucp "load byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "lbucp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 12) cdisp12)
125
     (sequence ()
126
               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem QI (add rma (ext SI cdisp12))))))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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131
 
132
(dnci shcp "store half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "shcp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 1) cdisp12)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (c-call VOID "check_write_to_text" (add rma (ext SI cdisp12)))
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               (set (mem HI (add rma (ext SI cdisp12))) (and crn #xffff)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lhcp "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "lhcp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 5) cdisp12)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (ext SI (mem HI (add rma (ext SI cdisp12))))))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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151
(dnci lhucp "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
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     "lhucp $crn,$cdisp12($rma)"
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     (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 13) cdisp12)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem HI (add rma (ext SI cdisp12))))))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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161
(dnci lbucpa "load byte coprocessor" (OPTIONAL_CP_INSN (STALL LOAD) (MACH c5))
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     "lbucpa $crn,($rma+),$cdisp10"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xC) (f-ext62 #x0) cdisp10)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem QI rma)))
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               (set rma (add rma cdisp10)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lhucpa "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL LOAD) (MACH c5))
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     "lhucpa $crn,($rma+),$cdisp10a2"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xD) (f-ext62 #x0) cdisp10a2)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem HI (and rma (inv SI 1)))))
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               (set rma (add rma (ext SI cdisp10a2))))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lbucpm0 "lbucpm0" (OPTIONAL_CP_INSN (MACH c5))
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     "lbucpm0 $crn,($rma+),$cdisp10"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xc) (f-ext62 #x2) cdisp10)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem QI rma)))
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               (set rma (mod0 cdisp10)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lhucpm0 "lhucpm0" (OPTIONAL_CP_INSN (MACH c5))
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     "lhucpm0 $crn,($rma+),$cdisp10a2"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xd) (f-ext62 #x2) cdisp10a2)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem HI (and rma (inv SI 1)))))
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               (set rma (mod0 cdisp10a2)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lbucpm1 "lbucpm1" (OPTIONAL_CP_INSN (MACH c5))
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     "lbucpm1 $crn,($rma+),$cdisp10"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xc) (f-ext62 #x3) cdisp10)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem QI rma)))
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               (set rma (mod1 cdisp10)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci lhucpm1 "lhucpm1" (OPTIONAL_CP_INSN (MACH c5))
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     "lhucpm1 $crn,($rma+),$cdisp10a2"
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     (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xd) (f-ext62 #x3) cdisp10a2)
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     (sequence ()
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               (c-call "check_option_cp" pc)
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               (set crn (zext SI (mem HI (and rma (inv SI 1)))))
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               (set rma (mod1 cdisp10a2)))
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     ((mep (unit u-use-gpr (in usereg rma))
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           (unit u-exec))))
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(dnci uci "uci" ((MACH c5) VOLATILE)
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     "uci $rn,$rm,$uimm16"
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     (+ MAJ_15 rn rm (f-sub4 2) simm16)
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     (set rn (c-call SI "do_UCI" rn rm (zext SI uimm16) pc))
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     ((mep (unit u-use-gpr (in usereg rm))
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           (unit u-use-gpr (in usereg rn))
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           (unit u-exec))))
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229
(dnf f-c5-rnm     "register n/m"              (all-mep-isas)    4  8)
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(dnf f-c5-rm      "register m"              (all-mep-isas)    8  4)
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(df  f-c5-16u16  "general 16-bit u-val"    (all-mep-isas) 16 16 UINT #f #f)
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(dnmf f-c5-rmuimm20 "20-bit immediate in Rm/Imm16" (all-mep-isas) UINT
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      (f-c5-rm f-c5-16u16)
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      (sequence () ; insert
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                (set (ifield f-c5-rm)    (srl (ifield f-c5-rmuimm20) 16))
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                (set (ifield f-c5-16u16) (and (ifield f-c5-rmuimm20) #xffff))
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                )
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      (sequence () ; extract
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                (set (ifield f-c5-rmuimm20) (or (ifield f-c5-16u16)
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                                                (sll (ifield f-c5-rm) 16)))
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                )
243
      )
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(dnop c5rmuimm20 "20-bit immediate in rm and imm16" (all-mep-core-isas) h-uint f-c5-rmuimm20)
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(dnmf f-c5-rnmuimm24 "24-bit immediate in Rm/Imm16" (all-mep-isas) UINT
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      (f-c5-rnm f-c5-16u16)
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      (sequence () ; insert
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                (set (ifield f-c5-rnm)    (srl (ifield f-c5-rnmuimm24) 16))
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                (set (ifield f-c5-16u16) (and (ifield f-c5-rnmuimm24) #xffff))
251
                )
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      (sequence () ; extract
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                (set (ifield f-c5-rnmuimm24) (or (ifield f-c5-16u16)
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                                                (sll (ifield f-c5-rnm) 16)))
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                )
256
      )
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(dnop c5rnmuimm24 "24-bit immediate in rn, rm, and imm16" (all-mep-core-isas) h-uint f-c5-rnmuimm24)
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(dnci dsp "dsp" ((MACH c5) VOLATILE)
260
     "dsp $rn,$rm,$uimm16"
261
     (+ MAJ_15 rn rm (f-sub4 0) uimm16)
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     (set rn (c-call SI "do_DSP" rn rm (zext SI uimm16) pc))
263
     ((mep (unit u-use-gpr (in usereg rm))
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           (unit u-use-gpr (in usereg rn))
265
           (unit u-exec))))
266
 
267
(dnci dsp0 "dsp0" ((MACH c5) VOLATILE NO-DIS ALIAS)
268
     "dsp0 $c5rnmuimm24"
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     (+ MAJ_15 c5rnmuimm24 (f-sub4 0))
270
     (c-call VOID "do_DSP" (zext SI c5rnmuimm24) pc)
271
     ((mep (unit u-exec))))
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273
(dnci dsp1 "dsp1" ((MACH c5) VOLATILE NO-DIS ALIAS)
274
     "dsp1 $rn,$c5rmuimm20"
275
     (+ MAJ_15 rn (f-sub4 0) c5rmuimm20)
276
     (set rn (c-call SI "do_DSP" rn (zext SI c5rmuimm20) pc))
277
     ((mep (unit u-use-gpr (in usereg rn))
278
           (unit u-exec))))

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