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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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(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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(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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(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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(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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(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)
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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 (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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(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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(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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(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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(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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)
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)
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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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| 248 |
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(sequence () ; insert
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| 249 |
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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))
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)
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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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)
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)
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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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| 258 |
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| 259 |
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(dnci dsp "dsp" ((MACH c5) VOLATILE)
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"dsp $rn,$rm,$uimm16"
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(+ 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))
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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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| 265 |
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(unit u-exec))))
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| 266 |
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|
|
| 267 |
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(dnci dsp0 "dsp0" ((MACH c5) VOLATILE NO-DIS ALIAS)
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| 268 |
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"dsp0 $c5rnmuimm24"
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| 269 |
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(+ MAJ_15 c5rnmuimm24 (f-sub4 0))
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| 270 |
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(c-call VOID "do_DSP" (zext SI c5rnmuimm24) pc)
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| 271 |
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((mep (unit u-exec))))
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| 272 |
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|
|
| 273 |
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(dnci dsp1 "dsp1" ((MACH c5) VOLATILE NO-DIS ALIAS)
|
| 274 |
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"dsp1 $rn,$c5rmuimm20"
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| 275 |
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(+ MAJ_15 rn (f-sub4 0) c5rmuimm20)
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| 276 |
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(set rn (c-call SI "do_DSP" rn (zext SI c5rmuimm20) pc))
|
| 277 |
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((mep (unit u-use-gpr (in usereg rn))
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| 278 |
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(unit u-exec))))
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