2014-04-22 22:57:47 +08:00
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; OpenRISC Basic Instruction Set 32-bit (ORBIS) -*- Scheme -*-
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; Copyright 2000-2014 Free Software Foundation, Inc.
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; Contributed for OR32 by Johan Rydberg, jrydberg@opencores.org
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; Modified by Julius Baxter, juliusbaxter@gmail.com
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; Modified by Peter Gavin, pgavin@gmail.com
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License 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 this program; if not, see <http://www.gnu.org/licenses/>
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; Instruction fields.
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; Hardware for immediate operands
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(dnh h-simm16 "16-bit signed immediate" ((MACH ORBIS-MACHS)) (immediate (INT 16)) () () ())
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(dnh h-uimm16 "16-bit unsigned immediate" () (immediate (UINT 16)) () () ())
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(dnh h-uimm6 "6-bit unsigned immediate" () (immediate (UINT 6)) () () ())
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2014-05-08 13:53:09 +08:00
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; Hardware for the (internal) atomic registers
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(dsh h-atomic-reserve "atomic reserve flag" () (register BI))
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(dsh h-atomic-address "atomic reserve address" () (register SI))
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2014-04-22 22:57:47 +08:00
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; Instruction classes.
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(dnf f-opcode "insn opcode" ((MACH ORBIS-MACHS)) 31 6)
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; Register fields.
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(dnf f-r1 "r1" ((MACH ORBIS-MACHS)) 25 5)
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(dnf f-r2 "r2" ((MACH ORBIS-MACHS)) 20 5)
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(dnf f-r3 "r3" ((MACH ORBIS-MACHS)) 15 5)
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; Sub fields
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(dnf f-op-25-2 "op-25-2" ((MACH ORBIS-MACHS)) 25 2) ;; nop
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(dnf f-op-25-5 "op-25-5" ((MACH ORBIS-MACHS)) 25 5) ;; sys, trap, *sync, sf*
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(dnf f-op-16-1 "op-16-1" ((MACH ORBIS-MACHS)) 16 1) ;; movhi,macrc
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(dnf f-op-7-4 "op-7-4" ((MACH ORBIS-MACHS)) 7 4)
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(dnf f-op-3-4 "op-3-4" ((MACH ORBIS-MACHS)) 3 4)
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(dnf f-op-9-2 "op-9-2" ((MACH ORBIS-MACHS)) 9 2) ;; alu ops upper opcode
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(dnf f-op-9-4 "op-9-4" ((MACH ORBIS-MACHS)) 9 4) ;;
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(dnf f-op-7-8 "op-7-8" ((MACH ORBIS-MACHS)) 7 8)
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(dnf f-op-7-2 "op-7-2" ((MACH ORBIS-MACHS)) 7 2) ;; alu lower upper opc,shroti
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; Reserved fields
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(dnf f-resv-25-26 "resv-25-26" ((MACH ORBIS-MACHS) RESERVED) 25 26)
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(dnf f-resv-25-10 "resv-25-10" ((MACH ORBIS-MACHS) RESERVED) 25 10)
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(dnf f-resv-25-5 "resv-25-5" ((MACH ORBIS-MACHS) RESERVED) 25 5)
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(dnf f-resv-23-8 "resv-23-8" ((MACH ORBIS-MACHS) RESERVED) 23 8)
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2014-07-21 01:26:09 +08:00
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(dnf f-resv-20-21 "resv-20-21" ((MACH ORBIS-MACHS) RESERVED) 20 21)
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2014-04-22 22:57:47 +08:00
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(dnf f-resv-20-5 "resv-20-5" ((MACH ORBIS-MACHS) RESERVED) 20 5)
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(dnf f-resv-20-4 "resv-20-4" ((MACH ORBIS-MACHS) RESERVED) 20 4)
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(dnf f-resv-15-8 "resv-15-8" ((MACH ORBIS-MACHS) RESERVED) 15 8)
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(dnf f-resv-15-6 "resv-15-6" ((MACH ORBIS-MACHS) RESERVED) 15 6)
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(dnf f-resv-10-11 "resv-10-11" ((MACH ORBIS-MACHS) RESERVED) 10 11)
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(dnf f-resv-10-7 "resv-10-7" ((MACH ORBIS-MACHS) RESERVED) 10 7)
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(dnf f-resv-10-3 "resv-10-3" ((MACH ORBIS-MACHS) RESERVED) 10 3)
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(dnf f-resv-10-1 "resv-10-1" ((MACH ORBIS-MACHS) RESERVED) 10 1)
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(dnf f-resv-7-4 "resv-7-4" ((MACH ORBIS-MACHS) RESERVED) 7 4)
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(dnf f-resv-5-2 "resv-5-2" ((MACH ORBIS-MACHS) RESERVED) 5 2)
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(dnf f-imm16-25-5 "imm16-25-5" ((MACH ORBIS-MACHS)) 25 5)
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(dnf f-imm16-10-11 "imm16-10-11" ((MACH ORBIS-MACHS)) 10 11)
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; PC relative, 26-bit (2 shifted to right)
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(df f-disp26
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"disp26"
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((MACH ORBIS-MACHS) PCREL-ADDR)
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25
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26
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INT
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((value pc) (sra SI (sub IAI value pc) (const 2)))
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((value pc) (add IAI (sll IAI value (const 2)) pc))
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)
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; Immediates.
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(dnf f-uimm16 "uimm16" ((MACH ORBIS-MACHS)) 15 16)
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(df f-simm16 "simm16" ((MACH ORBIS-MACHS) SIGN-OPT) 15 16 INT #f #f)
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(dnf f-uimm6 "uimm6" ((MACH ORBIS-MACHS)) 5 6) ;; shroti
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(define-multi-ifield
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(name f-uimm16-split)
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(comment "16-bit split unsigned immediate")
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(attrs (MACH ORBIS-MACHS))
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(mode UINT)
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(subfields f-imm16-25-5 f-imm16-10-11)
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(insert (sequence ()
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(set (ifield f-imm16-25-5)
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(and (srl (ifield f-uimm16-split)
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(const 11))
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(const #x1f)))
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(set (ifield f-imm16-10-11)
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(and (ifield f-uimm16-split)
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(const #x7ff)))))
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(extract
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(set (ifield f-uimm16-split)
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(trunc UHI
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(or (sll (ifield f-imm16-25-5)
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(const 11))
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(ifield f-imm16-10-11)))))
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)
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(define-multi-ifield
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(name f-simm16-split)
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(comment "16-bit split signed immediate")
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(attrs (MACH ORBIS-MACHS) SIGN-OPT)
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(mode INT)
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(subfields f-imm16-25-5 f-imm16-10-11)
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(insert (sequence ()
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(set (ifield f-imm16-25-5)
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(and (sra (ifield f-simm16-split)
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(const 11))
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(const #x1f)))
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(set (ifield f-imm16-10-11)
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(and (ifield f-simm16-split)
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(const #x7ff)))))
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(extract
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(set (ifield f-simm16-split)
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(trunc HI
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(or (sll (ifield f-imm16-25-5)
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(const 11))
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(ifield f-imm16-10-11)))))
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)
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; Enums.
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; insn-opcode: bits 31-26
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(define-normal-insn-enum
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insn-opcode "insn main opcode enums" ((MACH ORBIS-MACHS)) OPC_ f-opcode
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(("J" #x00)
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("JAL" #x01)
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("BNF" #x03)
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("BF" #x04)
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("NOP" #x05)
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("MOVHIMACRC" #x06)
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("SYSTRAPSYNCS" #x08)
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("RFE" #x09)
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("VECTOR" #x0a)
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("JR" #x11)
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("JALR" #x12)
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("MACI" #x13)
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2014-05-08 13:53:09 +08:00
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("LWA" #x1b)
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2014-04-22 22:57:47 +08:00
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("CUST1" #x1c)
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("CUST2" #x1d)
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("CUST3" #x1e)
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("CUST4" #x1f)
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("LD" #x20)
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("LWZ" #x21)
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("LWS" #x22)
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("LBZ" #x23)
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("LBS" #x24)
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("LHZ" #x25)
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("LHS" #x26)
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("ADDI" #x27)
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("ADDIC" #x28)
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("ANDI" #x29)
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("ORI" #x2a)
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("XORI" #x2b)
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("MULI" #x2c)
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("MFSPR" #x2d)
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("SHROTI" #x2e)
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("SFI" #x2f)
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("MTSPR" #x30)
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("MAC" #x31)
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("FLOAT" #x32)
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2014-05-08 13:53:09 +08:00
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("SWA" #x33)
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2014-04-22 22:57:47 +08:00
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("SD" #x34)
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("SW" #x35)
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("SB" #x36)
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("SH" #x37)
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("ALU" #x38)
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("SF" #x39)
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("CUST5" #x3c)
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("CUST6" #x3d)
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("CUST7" #x3e)
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("CUST8" #x3f)
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)
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)
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(define-normal-insn-enum insn-opcode-systrapsyncs
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"systrapsync insn opcode enums" ((MACH ORBIS-MACHS))
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OPC_SYSTRAPSYNCS_ f-op-25-5
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(("SYSCALL" #x00 )
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("TRAP" #x08 )
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("MSYNC" #x10 )
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("PSYNC" #x14 )
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("CSYNC" #x18 )
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)
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)
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(define-normal-insn-enum insn-opcode-movehimacrc
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"movhi/macrc insn opcode enums" ((MACH ORBIS-MACHS))
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OPC_MOVHIMACRC_ f-op-16-1
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(("MOVHI" #x0)
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("MACRC" #x1)
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)
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)
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(define-normal-insn-enum insn-opcode-mac
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"multiply/accumulate insn opcode enums" ((MACH ORBIS-MACHS))
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OPC_MAC_ f-op-3-4
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(("MAC" #x1)
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("MSB" #x2)
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)
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)
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(define-normal-insn-enum insn-opcode-shorts
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"shift/rotate insn opcode enums" ((MACH ORBIS-MACHS))
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OPC_SHROTS_ f-op-7-2
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(("SLL" #x0 )
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("SRL" #x1 )
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("SRA" #x2 )
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("ROR" #x3 )
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)
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)
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(define-normal-insn-enum insn-opcode-extbhs
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"extend byte/half opcode enums" ((MACH ORBIS-MACHS))
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OPC_EXTBHS_ f-op-9-4
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(("EXTHS" #x0)
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("EXTBS" #x1)
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("EXTHZ" #x2)
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("EXTBZ" #x3)
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)
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)
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(define-normal-insn-enum insn-opcode-extws
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"extend word opcode enums" ((MACH ORBIS-MACHS))
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OPC_EXTWS_ f-op-9-4
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(("EXTWS" #x0)
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("EXTWZ" #x1)
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)
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)
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(define-normal-insn-enum insn-opcode-alu-regreg
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"alu reg/reg insn opcode enums" ((MACH ORBIS-MACHS))
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OPC_ALU_REGREG_ f-op-3-4
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(("ADD" #x0)
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("ADDC" #x1)
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("SUB" #x2)
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("AND" #x3)
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("OR" #x4)
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("XOR" #x5)
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("MUL" #x6)
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("SHROT" #x8)
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("DIV" #x9)
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("DIVU" #xA)
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("MULU" #xB)
|
|
|
|
|
|
("EXTBH" #xC)
|
|
|
|
|
|
("EXTW" #xD)
|
|
|
|
|
|
("CMOV" #xE)
|
|
|
|
|
|
("FFL1" #xF)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-normal-insn-enum insn-opcode-setflag
|
|
|
|
|
|
"setflag insn opcode enums" ((MACH ORBIS-MACHS))
|
|
|
|
|
|
OPC_SF_ f-op-25-5
|
|
|
|
|
|
(("EQ" #x00)
|
|
|
|
|
|
("NE" #x01)
|
|
|
|
|
|
("GTU" #x02)
|
|
|
|
|
|
("GEU" #x03)
|
|
|
|
|
|
("LTU" #x04)
|
|
|
|
|
|
("LEU" #x05)
|
|
|
|
|
|
("GTS" #x0A)
|
|
|
|
|
|
("GES" #x0B)
|
|
|
|
|
|
("LTS" #x0C)
|
|
|
|
|
|
("LES" #x0D)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Instruction operands.
|
|
|
|
|
|
|
|
|
|
|
|
(dnop sys-sr "supervision register" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr f-nil)
|
|
|
|
|
|
(dnop sys-esr0 "exception supervision register 0" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-esr0 f-nil)
|
|
|
|
|
|
(dnop sys-epcr0 "exception PC register 0" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-epcr0 f-nil)
|
|
|
|
|
|
|
|
|
|
|
|
(dnop sys-sr-lee "SR little endian enable bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr-lee f-nil)
|
|
|
|
|
|
(dnop sys-sr-f "SR flag bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr-f f-nil)
|
|
|
|
|
|
(dnop sys-sr-cy "SR carry bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr-cy f-nil)
|
|
|
|
|
|
(dnop sys-sr-ov "SR overflow bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr-ov f-nil)
|
|
|
|
|
|
(dnop sys-sr-ove "SR overflow exception enable bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-sr-ove f-nil)
|
|
|
|
|
|
(dnop sys-cpucfgr-ob64s "CPUCFGR ORBIS64 supported bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-cpucfgr-ob64s f-nil)
|
|
|
|
|
|
(dnop sys-cpucfgr-nd "CPUCFGR no delay bit" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-cpucfgr-nd f-nil)
|
|
|
|
|
|
(dnop sys-fpcsr-rm "floating point round mode" ((MACH ORBIS-MACHS) SEM-ONLY) h-sys-fpcsr-rm f-nil)
|
|
|
|
|
|
|
|
|
|
|
|
(dnop mac-machi "MAC HI result register" ((MACH ORBIS-MACHS) SEM-ONLY) h-mac-machi f-nil)
|
|
|
|
|
|
(dnop mac-maclo "MAC LO result register" ((MACH ORBIS-MACHS) SEM-ONLY) h-mac-maclo f-nil)
|
|
|
|
|
|
|
2014-05-08 13:53:09 +08:00
|
|
|
|
(dnop atomic-reserve "atomic reserve flag" ((MACH ORBIS-MACHS) SEM-ONLY) h-atomic-reserve f-nil)
|
|
|
|
|
|
(dnop atomic-address "atomic address" ((MACH ORBIS-MACHS) SEM-ONLY) h-atomic-address f-nil)
|
|
|
|
|
|
|
2014-04-22 22:57:47 +08:00
|
|
|
|
(dnop uimm6 "uimm6" ((MACH ORBIS-MACHS)) h-uimm6 f-uimm6)
|
|
|
|
|
|
|
|
|
|
|
|
(dnop rD "destination register" ((MACH ORBIS-MACHS)) h-gpr f-r1)
|
|
|
|
|
|
(dnop rA "source register A" ((MACH ORBIS-MACHS)) h-gpr f-r2)
|
|
|
|
|
|
(dnop rB "source register B" ((MACH ORBIS-MACHS)) h-gpr f-r3)
|
|
|
|
|
|
|
|
|
|
|
|
(define-operand
|
|
|
|
|
|
(name disp26)
|
|
|
|
|
|
(comment "pc-rel 26 bit")
|
|
|
|
|
|
(attrs (MACH ORBIS-MACHS))
|
|
|
|
|
|
(type h-iaddr)
|
|
|
|
|
|
(index f-disp26)
|
|
|
|
|
|
(handlers (parse "disp26"))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-operand
|
|
|
|
|
|
(name simm16)
|
|
|
|
|
|
(comment "16-bit signed immediate")
|
|
|
|
|
|
(attrs (MACH ORBIS-MACHS) SIGN-OPT)
|
|
|
|
|
|
(type h-simm16)
|
|
|
|
|
|
(index f-simm16)
|
|
|
|
|
|
(handlers (parse "simm16"))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-operand
|
|
|
|
|
|
(name uimm16)
|
|
|
|
|
|
(comment "16-bit unsigned immediate")
|
|
|
|
|
|
(attrs (MACH ORBIS-MACHS))
|
|
|
|
|
|
(type h-uimm16)
|
|
|
|
|
|
(index f-uimm16)
|
|
|
|
|
|
(handlers (parse "uimm16"))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-operand
|
|
|
|
|
|
(name simm16-split)
|
|
|
|
|
|
(comment "split 16-bit signed immediate")
|
|
|
|
|
|
(attrs (MACH ORBIS-MACHS) SIGN-OPT)
|
|
|
|
|
|
(type h-simm16)
|
|
|
|
|
|
(index f-simm16-split)
|
|
|
|
|
|
(handlers (parse "simm16"))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-operand
|
|
|
|
|
|
(name uimm16-split)
|
|
|
|
|
|
(comment "split 16-bit unsigned immediate")
|
|
|
|
|
|
(attrs (MACH ORBIS-MACHS))
|
|
|
|
|
|
(type h-uimm16)
|
|
|
|
|
|
(index f-uimm16-split)
|
|
|
|
|
|
(handlers (parse "uimm16"))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
; Instructions.
|
|
|
|
|
|
|
|
|
|
|
|
; Branch releated instructions
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (cti-link-return)
|
|
|
|
|
|
(set IAI (reg h-gpr 9) (add pc (if sys-cpucfgr-nd 4 8)))
|
|
|
|
|
|
)
|
|
|
|
|
|
(define-pmacro (cti-transfer-control condition target)
|
|
|
|
|
|
;; this mess is necessary because we're
|
|
|
|
|
|
;; skipping the delay slot, but it's
|
|
|
|
|
|
;; actually the start of the next basic
|
|
|
|
|
|
;; block
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(if condition
|
|
|
|
|
|
(delay 1 (set IAI pc target))
|
|
|
|
|
|
(if sys-cpucfgr-nd
|
|
|
|
|
|
(delay 1 (set IAI pc (add pc 4))))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if sys-cpucfgr-nd
|
|
|
|
|
|
(skip 1)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
cti-name
|
|
|
|
|
|
cti-comment
|
|
|
|
|
|
cti-attrs
|
|
|
|
|
|
cti-syntax
|
|
|
|
|
|
cti-format
|
|
|
|
|
|
cti-semantics)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni
|
|
|
|
|
|
cti-name
|
|
|
|
|
|
cti-comment
|
|
|
|
|
|
(.splice (MACH ORBIS-MACHS) DELAYED-CTI NOT-IN-DELAY-SLOT (.unsplice cti-attrs))
|
|
|
|
|
|
cti-syntax
|
|
|
|
|
|
cti-format
|
|
|
|
|
|
(cti-semantics)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-j
|
|
|
|
|
|
"jump (pc-relative iaddr)"
|
|
|
|
|
|
(!COND-CTI UNCOND-CTI)
|
|
|
|
|
|
"l.j ${disp26}"
|
|
|
|
|
|
(+ OPC_J disp26)
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(cti-transfer-control 1 disp26)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-jal
|
|
|
|
|
|
"jump and link (pc-relative iaddr)"
|
|
|
|
|
|
(!COND-CTI UNCOND-CTI)
|
|
|
|
|
|
"l.jal ${disp26}"
|
|
|
|
|
|
(+ OPC_JAL disp26)
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(cti-link-return)
|
|
|
|
|
|
(cti-transfer-control 1 disp26)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-jr
|
|
|
|
|
|
"jump register (absolute iaddr)"
|
|
|
|
|
|
(!COND-CTI UNCOND-CTI)
|
|
|
|
|
|
"l.jr $rB"
|
|
|
|
|
|
(+ OPC_JR (f-resv-25-10 0) rB (f-resv-10-11 0))
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(cti-transfer-control 1 rB)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-jalr
|
|
|
|
|
|
"jump register and link (absolute iaddr)"
|
|
|
|
|
|
(!COND-CTI UNCOND-CTI)
|
|
|
|
|
|
"l.jalr $rB"
|
|
|
|
|
|
(+ OPC_JALR (f-resv-25-10 0) rB (f-resv-10-11 0) )
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(cti-link-return)
|
|
|
|
|
|
(cti-transfer-control 1 rB)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-bnf
|
|
|
|
|
|
"branch if condition bit not set (pc relative iaddr)"
|
|
|
|
|
|
(COND-CTI !UNCOND-CTI)
|
|
|
|
|
|
"l.bnf ${disp26}"
|
|
|
|
|
|
(+ OPC_BNF disp26)
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(cti-transfer-control (not sys-sr-f) disp26)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-cti
|
|
|
|
|
|
l-bf
|
|
|
|
|
|
"branch if condition bit set (pc relative iaddr)"
|
|
|
|
|
|
(COND-CTI !UNCOND-CTI)
|
|
|
|
|
|
"l.bf ${disp26}"
|
|
|
|
|
|
(+ OPC_BF disp26)
|
|
|
|
|
|
(.pmacro ()
|
|
|
|
|
|
(cti-transfer-control sys-sr-f disp26)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-trap "trap (exception)"
|
|
|
|
|
|
((MACH ORBIS-MACHS) NOT-IN-DELAY-SLOT)
|
|
|
|
|
|
"l.trap ${uimm16}"
|
|
|
|
|
|
(+ OPC_SYSTRAPSYNCS OPC_SYSTRAPSYNCS_TRAP (f-resv-20-5 0) uimm16)
|
|
|
|
|
|
; Do exception entry handling in C function, PC set based on SR state
|
|
|
|
|
|
(raise-exception EXCEPT-TRAP)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-sys "syscall (exception)"
|
|
|
|
|
|
; This function may not be in delay slot
|
|
|
|
|
|
((MACH ORBIS-MACHS) NOT-IN-DELAY-SLOT)
|
|
|
|
|
|
|
|
|
|
|
|
"l.sys ${uimm16}"
|
|
|
|
|
|
(+ OPC_SYSTRAPSYNCS OPC_SYSTRAPSYNCS_SYSCALL (f-resv-20-5 0) uimm16)
|
|
|
|
|
|
; Do exception entry handling in C function, PC set based on SR state
|
|
|
|
|
|
(raise-exception EXCEPT-SYSCALL)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
2014-07-21 01:26:09 +08:00
|
|
|
|
(dni l-msync "memory sync"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.msync"
|
|
|
|
|
|
(+ OPC_SYSTRAPSYNCS OPC_SYSTRAPSYNCS_MSYNC (f-resv-20-21 0))
|
|
|
|
|
|
(nop)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-psync "pipeline sync"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.psync"
|
|
|
|
|
|
(+ OPC_SYSTRAPSYNCS OPC_SYSTRAPSYNCS_PSYNC (f-resv-20-21 0))
|
|
|
|
|
|
(nop)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-csync "context sync"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.csync"
|
|
|
|
|
|
(+ OPC_SYSTRAPSYNCS OPC_SYSTRAPSYNCS_CSYNC (f-resv-20-21 0))
|
|
|
|
|
|
(nop)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
2014-04-22 22:57:47 +08:00
|
|
|
|
|
|
|
|
|
|
(dni l-rfe "return from exception"
|
|
|
|
|
|
; This function may not be in delay slot
|
|
|
|
|
|
((MACH ORBIS-MACHS) NOT-IN-DELAY-SLOT FORCED-CTI)
|
|
|
|
|
|
|
|
|
|
|
|
"l.rfe"
|
|
|
|
|
|
(+ OPC_RFE (f-resv-25-26 0))
|
|
|
|
|
|
(c-call VOID "@cpu@_rfe")
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Misc instructions
|
|
|
|
|
|
|
|
|
|
|
|
; l.nop with immediate must be first so it handles all l.nops in sim
|
|
|
|
|
|
(dni l-nop-imm "nop uimm16"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.nop ${uimm16}"
|
|
|
|
|
|
(+ OPC_NOP (f-op-25-2 #x1) (f-resv-23-8 0) uimm16)
|
|
|
|
|
|
(c-call VOID "@cpu@_nop" (zext UWI uimm16))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(if (application-is? SIMULATOR)
|
|
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(begin)
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|
(begin
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|
|
(dni l-nop "nop"
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|
((MACH ORBIS-MACHS))
|
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|
|
"l.nop"
|
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|
(+ OPC_NOP (f-op-25-2 #x1) (f-resv-23-8 0) uimm16)
|
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|
(nop)
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|
()
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)
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)
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)
|
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|
(dni l-movhi "movhi reg/uimm16"
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|
((MACH ORBIS-MACHS))
|
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|
|
"l.movhi $rD,$uimm16"
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|
(+ OPC_MOVHIMACRC rD (f-resv-20-4 0) OPC_MOVHIMACRC_MOVHI uimm16)
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|
(set UWI rD (sll UWI (zext UWI uimm16) (const 16)))
|
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|
()
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)
|
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|
(dni l-macrc "macrc reg"
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|
((MACH ORBIS-MACHS))
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|
|
"l.macrc $rD"
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|
(+ OPC_MOVHIMACRC rD (f-resv-20-4 0) OPC_MOVHIMACRC_MACRC (f-uimm16 0))
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|
|
(sequence ()
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|
|
(set UWI rD mac-maclo)
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|
(set UWI mac-maclo 0)
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|
(set UWI mac-machi 0)
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|
)
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|
()
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)
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; System releated instructions
|
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(dni l-mfspr "mfspr"
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|
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|
((MACH ORBIS-MACHS))
|
|
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|
|
"l.mfspr $rD,$rA,${uimm16}"
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|
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|
|
(+ OPC_MFSPR rD rA uimm16)
|
|
|
|
|
|
(set UWI rD (c-call UWI "@cpu@_mfspr" (or rA (zext UWI uimm16))))
|
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|
|
()
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|
)
|
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|
|
(dni l-mtspr "mtspr"
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|
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|
|
((MACH ORBIS-MACHS))
|
|
|
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|
|
"l.mtspr $rA,$rB,${uimm16-split}"
|
|
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|
|
(+ OPC_MTSPR rA rB uimm16-split )
|
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|
|
(c-call VOID "@cpu@_mtspr" (or rA (zext WI uimm16-split)) rB)
|
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|
|
()
|
|
|
|
|
|
)
|
|
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|
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|
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|
|
|
|
|
|
|
|
; Load instructions
|
|
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|
|
(define-pmacro (load-store-addr base offset size)
|
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|
|
(c-call AI "@cpu@_make_load_store_addr" base (ext SI offset) size))
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-lwz "l.lwz reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lwz $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LWZ rD rA simm16)
|
|
|
|
|
|
(set UWI rD (zext UWI (mem USI (load-store-addr rA simm16 4))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-lws "l.lws reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lws $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LWS rD rA simm16)
|
|
|
|
|
|
(set WI rD (ext WI (mem SI (load-store-addr rA simm16 4))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
2014-05-08 13:53:09 +08:00
|
|
|
|
(dni l-lwa "l.lwa reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lwa $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LWA rD rA simm16)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(set UWI rD (zext UWI (mem USI (load-store-addr rA simm16 4))))
|
|
|
|
|
|
(set atomic-reserve (const 1))
|
|
|
|
|
|
(set atomic-address (load-store-addr rA simm16 4))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
2014-04-22 22:57:47 +08:00
|
|
|
|
(dni l-lbz "l.lbz reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lbz $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LBZ rD rA simm16)
|
|
|
|
|
|
(set UWI rD (zext UWI (mem UQI (load-store-addr rA simm16 1))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
2014-05-08 13:53:09 +08:00
|
|
|
|
(dni l-lbs "l.lbs reg/simm16(reg)"
|
2014-04-22 22:57:47 +08:00
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lbs $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LBS rD rA simm16)
|
|
|
|
|
|
(set WI rD (ext WI (mem QI (load-store-addr rA simm16 1))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-lhz "l.lhz reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lhz $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LHZ rD simm16 rA)
|
|
|
|
|
|
(set UWI rD (zext UWI (mem UHI (load-store-addr rA simm16 2))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-lhs "l.lhs reg/simm16(reg)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.lhs $rD,${simm16}($rA)"
|
|
|
|
|
|
(+ OPC_LHS rD rA simm16)
|
|
|
|
|
|
(set WI rD (ext WI (mem HI (load-store-addr rA simm16 2))))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Store instructions
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (store-insn mnemonic opc-op mode size)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " simm16(reg)/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " ${simm16-split}($rA),$rB")
|
2014-05-08 13:53:09 +08:00
|
|
|
|
(+ opc-op rA rB simm16-split)
|
|
|
|
|
|
(sequence ((SI addr))
|
|
|
|
|
|
(set addr (load-store-addr rA simm16-split size))
|
|
|
|
|
|
(set mode (mem mode addr) (trunc mode rB))
|
|
|
|
|
|
(if (eq (and addr #xffffffc) atomic-address)
|
|
|
|
|
|
(set atomic-reserve (const 0))
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
2014-04-22 22:57:47 +08:00
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(store-insn sw OPC_SW USI 4)
|
|
|
|
|
|
(store-insn sb OPC_SB UQI 1)
|
|
|
|
|
|
(store-insn sh OPC_SH UHI 2)
|
|
|
|
|
|
|
2014-05-08 13:53:09 +08:00
|
|
|
|
(dni l-swa "l.swa simm16(reg)/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.swa ${simm16-split}($rA),$rB"
|
|
|
|
|
|
(+ OPC_SWA rA rB simm16)
|
|
|
|
|
|
(sequence ((SI addr) (BI flag))
|
|
|
|
|
|
(set addr (load-store-addr rA simm16-split 4))
|
|
|
|
|
|
(set sys-sr-f (and atomic-reserve (eq addr atomic-address)))
|
|
|
|
|
|
(if sys-sr-f
|
|
|
|
|
|
(set USI (mem USI addr) (trunc USI rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(set atomic-reserve (const 0))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
2014-04-22 22:57:47 +08:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Shift and rotate instructions
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (shift-insn mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-3 0) (.sym OPC_SHROTS_ (.upcase mnemonic)) (f-resv-5-2 0)
|
|
|
|
|
|
OPC_ALU_REGREG_SHROT )
|
|
|
|
|
|
(set UWI rD (mnemonic rA rB))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
(dni (.sym l- mnemonic "i")
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/uimm6")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic "i $rD,$rA,${uimm6}")
|
|
|
|
|
|
(+ OPC_SHROTI rD rA (f-resv-15-8 0) (.sym OPC_SHROTS_ (.upcase mnemonic)) uimm6)
|
|
|
|
|
|
(set rD (mnemonic rA uimm6))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(shift-insn sll)
|
|
|
|
|
|
(shift-insn srl)
|
|
|
|
|
|
(shift-insn sra)
|
|
|
|
|
|
(shift-insn ror)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Arithmetic insns
|
|
|
|
|
|
|
|
|
|
|
|
; ALU op macro
|
|
|
|
|
|
(define-pmacro (alu-insn mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 0) (.sym OPC_ALU_REGREG_ (.upcase mnemonic)))
|
|
|
|
|
|
(set rD (mnemonic rA rB))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(alu-insn and)
|
|
|
|
|
|
(alu-insn or)
|
|
|
|
|
|
(alu-insn xor)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (alu-carry-insn mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x00) (.sym OPC_ALU_REGREG_ (.upcase mnemonic)))
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(set BI sys-sr-cy ((.sym mnemonic "c-cflag") WI rA rB 0))
|
|
|
|
|
|
(set BI sys-sr-ov ((.sym mnemonic "c-oflag") WI rA rB 0))
|
|
|
|
|
|
(set rD (mnemonic WI rA rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(alu-carry-insn add)
|
|
|
|
|
|
(alu-carry-insn sub)
|
|
|
|
|
|
|
|
|
|
|
|
(dni (l-addc) "l.addc reg/reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
("l.addc $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x00) OPC_ALU_REGREG_ADDC)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ((BI tmp-sys-sr-cy))
|
|
|
|
|
|
(set BI tmp-sys-sr-cy sys-sr-cy)
|
|
|
|
|
|
(set BI sys-sr-cy (addc-cflag WI rA rB tmp-sys-sr-cy))
|
|
|
|
|
|
(set BI sys-sr-ov (addc-oflag WI rA rB tmp-sys-sr-cy))
|
|
|
|
|
|
(set rD (addc WI rA rB tmp-sys-sr-cy))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni (l-mul) "l.mul reg/reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
("l.mul $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x30) OPC_ALU_REGREG_MUL)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
; 2's complement overflow
|
|
|
|
|
|
(set BI sys-sr-ov (mul-o2flag WI rA rB))
|
|
|
|
|
|
; 1's complement overflow
|
|
|
|
|
|
(set BI sys-sr-cy (mul-o1flag WI rA rB))
|
|
|
|
|
|
(set rD (mul WI rA rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni (l-mulu) "l.mulu reg/reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
("l.mulu $rD,$rA,$rB")
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x30) OPC_ALU_REGREG_MULU)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
; 2's complement overflow
|
|
|
|
|
|
(set BI sys-sr-ov 0)
|
|
|
|
|
|
; 1's complement overflow
|
|
|
|
|
|
(set BI sys-sr-cy (mul-o1flag UWI rA rB))
|
|
|
|
|
|
(set rD (mul UWI rA rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-div "divide (signed)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.div $rD,$rA,$rB"
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x30) OPC_ALU_REGREG_DIV)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(if (ne rB 0)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(set BI sys-sr-cy 0)
|
|
|
|
|
|
(set WI rD (div WI rA rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(set BI sys-sr-cy 1)
|
|
|
|
|
|
)
|
|
|
|
|
|
(set BI sys-sr-ov 0)
|
|
|
|
|
|
(if (andif sys-sr-cy sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-divu "divide (unsigned)"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.divu $rD,$rA,$rB"
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x30) OPC_ALU_REGREG_DIVU)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(if (ne rB 0)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(set BI sys-sr-cy 0)
|
|
|
|
|
|
(set rD (udiv UWI rA rB))
|
|
|
|
|
|
)
|
|
|
|
|
|
(set BI sys-sr-cy 1)
|
|
|
|
|
|
)
|
|
|
|
|
|
(set BI sys-sr-ov 0)
|
|
|
|
|
|
(if (andif sys-sr-cy sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-ff1 "find first '1'"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.ff1 $rD,$rA"
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x00) OPC_ALU_REGREG_FFL1)
|
|
|
|
|
|
(set rD (c-call UWI "@cpu@_ff1" rA))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-fl1 "find last '1'"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.fl1 $rD,$rA"
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-7 #x10) OPC_ALU_REGREG_FFL1)
|
|
|
|
|
|
(set rD (c-call UWI "@cpu@_fl1" rA))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (alu-insn-simm mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic "i")
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/simm16")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic "i $rD,$rA,$simm16")
|
|
|
|
|
|
(+ (.sym OPC_ (.upcase mnemonic) "I") rD rA simm16)
|
|
|
|
|
|
(set rD (mnemonic rA (ext WI simm16)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (alu-insn-uimm mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic "i")
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg/uimm16")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic "i $rD,$rA,$uimm16")
|
|
|
|
|
|
(+ (.sym OPC_ (.upcase mnemonic) "I") rD rA uimm16)
|
|
|
|
|
|
(set rD (mnemonic rA (zext UWI uimm16)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(alu-insn-uimm and)
|
|
|
|
|
|
(alu-insn-uimm or)
|
|
|
|
|
|
(alu-insn-simm xor)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (alu-carry-insn-simm mnemonic)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic "i")
|
|
|
|
|
|
(.str "l." mnemonic "i reg/reg/simm16")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic "i $rD,$rA,$simm16")
|
|
|
|
|
|
(+ (.sym OPC_ (.upcase mnemonic) "I") rD rA simm16)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(set BI sys-sr-cy ((.sym mnemonic "c-cflag") WI rA (ext WI simm16) 0))
|
|
|
|
|
|
(set BI sys-sr-ov ((.sym mnemonic "c-oflag") WI rA (ext WI simm16) 0))
|
|
|
|
|
|
(set rD (mnemonic WI rA (ext WI simm16)))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(alu-carry-insn-simm add)
|
|
|
|
|
|
|
|
|
|
|
|
(dni (l-addic)
|
|
|
|
|
|
("l.addic reg/reg/simm16")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
("l.addic $rD,$rA,$simm16")
|
|
|
|
|
|
(+ OPC_ADDIC rD rA simm16)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ((BI tmp-sys-sr-cy))
|
|
|
|
|
|
(set BI tmp-sys-sr-cy sys-sr-cy)
|
|
|
|
|
|
(set BI sys-sr-cy (addc-cflag WI rA (ext WI simm16) tmp-sys-sr-cy))
|
|
|
|
|
|
(set BI sys-sr-ov (addc-oflag WI rA (ext WI simm16) tmp-sys-sr-cy))
|
|
|
|
|
|
(set WI rD (addc WI rA (ext WI simm16) tmp-sys-sr-cy))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(dni (l-muli)
|
|
|
|
|
|
"l.muli reg/reg/simm16"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
("l.muli $rD,$rA,$simm16")
|
|
|
|
|
|
(+ OPC_MULI rD rA simm16)
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
(sequence ()
|
|
|
|
|
|
; 2's complement overflow
|
|
|
|
|
|
(set sys-sr-ov (mul-o2flag WI rA (ext WI simm16)))
|
|
|
|
|
|
; 1's complement overflow
|
|
|
|
|
|
(set sys-sr-cy (mul-o1flag UWI rA (ext UWI simm16)))
|
|
|
|
|
|
(set rD (mul WI rA (ext WI simm16)))
|
|
|
|
|
|
)
|
|
|
|
|
|
(if (andif sys-sr-ov sys-sr-ove)
|
|
|
|
|
|
(raise-exception EXCEPT-RANGE))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (extbh-insn mnemonic extop extmode truncmode)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " $rD,$rA")
|
|
|
|
|
|
(+ OPC_ALU rD rA (f-resv-15-6 0) (.sym OPC_EXTBHS_ (.upcase mnemonic)) (f-resv-5-2 0) OPC_ALU_REGREG_EXTBH)
|
|
|
|
|
|
(set rD (extop extmode (trunc truncmode rA)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(extbh-insn exths ext WI HI)
|
|
|
|
|
|
(extbh-insn extbs ext WI QI)
|
|
|
|
|
|
(extbh-insn exthz zext UWI UHI)
|
|
|
|
|
|
(extbh-insn extbz zext UWI UQI)
|
|
|
|
|
|
|
|
|
|
|
|
(define-pmacro (extw-insn mnemonic extop extmode truncmode)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- mnemonic)
|
|
|
|
|
|
(.str "l." mnemonic " reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l." mnemonic " $rD,$rA")
|
|
|
|
|
|
(+ OPC_ALU rD rA (f-resv-15-6 0) (.sym OPC_EXTWS_ (.upcase mnemonic)) (f-resv-5-2 0) OPC_ALU_REGREG_EXTW)
|
|
|
|
|
|
(set rD (extop extmode (trunc truncmode rA)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(extw-insn extws ext WI SI)
|
|
|
|
|
|
(extw-insn extwz zext USI USI)
|
|
|
|
|
|
|
|
|
|
|
|
(dni l-cmov
|
|
|
|
|
|
"l.cmov reg/reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
"l.cmov $rD,$rA,$rB"
|
|
|
|
|
|
(+ OPC_ALU rD rA rB (f-resv-10-1 0) (f-op-9-2 0) (f-resv-7-4 0) OPC_ALU_REGREG_CMOV)
|
|
|
|
|
|
(if sys-sr-f
|
|
|
|
|
|
(set UWI rD rA)
|
|
|
|
|
|
(set UWI rD rB)
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
; Compare instructions
|
|
|
|
|
|
|
|
|
|
|
|
; Ordering compare
|
|
|
|
|
|
(define-pmacro (sf-insn op)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- "sf" op "s") ; l-sfgts
|
|
|
|
|
|
(.str "l.sf" op "s reg/reg") ; "l.sfgts reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l.sf" op "s $rA,$rB") ; "l.sfgts $rA,$rB"
|
|
|
|
|
|
(+ OPC_SF (.sym "OPC_SF_" (.upcase op) "S") rA rB (f-resv-10-11 0)) ; (+ OPC_SF OPC_SF_GTS rA rB (f-resv-10-11 0))
|
|
|
|
|
|
(set sys-sr-f (op WI rA rB)) ; (set sys-sr-f (gt WI rA rB))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
(dni (.sym l- "sf" op "si") ; l-sfgtsi
|
|
|
|
|
|
(.str "l.sf" op "si reg/simm16") ; "l.sfgtsi reg/simm16"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l.sf" op "si $rA,$simm16") ; "l.sfgtsi $rA,$simm16"
|
|
|
|
|
|
(+ OPC_SFI (.sym "OPC_SF_" (.upcase op) "S") rA simm16) ; (+ OPC_SFI OPC_SF_GTS rA simm16)
|
|
|
|
|
|
(set sys-sr-f (op WI rA (ext WI simm16))) ; (set sys-sr-f (gt WI rA (ext WI simm16)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
(dni (.sym l- "sf" op "u") ; l-sfgtu
|
|
|
|
|
|
(.str "l.sf" op "u reg/reg") ; "l.sfgtu reg/reg"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l.sf" op "u $rA,$rB") ; "l.sfgtu $rA,$rB"
|
|
|
|
|
|
(+ OPC_SF (.sym "OPC_SF_" (.upcase op) "U") rA rB (f-resv-10-11 0)) ; (+ OPC_SF OPC_SF_GTU rA rB (f-resv-10-11 0))
|
|
|
|
|
|
(set sys-sr-f ((.sym op "u") WI rA rB)) ; (set sys-sr-f (gtu WI rA rB))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
; immediate is sign extended even for unsigned compare
|
|
|
|
|
|
(dni (.sym l- "sf" op "ui") ; l-sfgtui
|
|
|
|
|
|
(.str "l.sf" op "ui reg/simm16") ; "l.sfgtui reg/uimm16"
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l.sf" op "ui $rA,$simm16") ; "l.sfgtui $rA,$simm16"
|
|
|
|
|
|
(+ OPC_SFI (.sym "OPC_SF_" (.upcase op) "U") rA simm16) ; (+ OPC_SFI OPC_SF_GTU rA simm16)
|
|
|
|
|
|
(set sys-sr-f ((.sym op "u") WI rA (ext WI simm16))) ; (set sys-sr-f (gtu WI rA (ext WI simm16)))
|
|
|
|
|
|
()
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(sf-insn gt)
|
|
|
|
|
|
(sf-insn ge)
|
|
|
|
|
|
(sf-insn lt)
|
|
|
|
|
|
(sf-insn le)
|
|
|
|
|
|
|
|
|
|
|
|
; Equality compare
|
|
|
|
|
|
(define-pmacro (sf-insn-eq op)
|
|
|
|
|
|
(begin
|
|
|
|
|
|
(dni (.sym l- "sf" op)
|
|
|
|
|
|
(.str "l." op " reg/reg")
|
|
|
|
|
|
((MACH ORBIS-MACHS))
|
|
|
|
|
|
(.str "l.sf" op " $rA,$rB")
|
|
|
|
|
|
(+ OPC_SF (.sym "OPC_SF_" (.upcase op)) rA rB (f-resv-10-11 0))
|
|
|
|
|
|
(set sys-sr-f (op WI rA rB))
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()
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)
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(dni (.sym l- "sf" op "i")
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(.str "l.sf" op "i reg/simm16")
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((MACH ORBIS-MACHS))
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(.str "l.sf" op "i $rA,$simm16")
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(+ OPC_SFI (.sym "OPC_SF_" (.upcase op)) rA simm16)
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(set sys-sr-f (op WI rA (ext WI simm16)))
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()
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)
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)
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)
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(sf-insn-eq eq)
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(sf-insn-eq ne)
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(dni l-mac
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"l.mac reg/reg"
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((MACH ORBIS-MACHS))
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"l.mac $rA,$rB"
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(+ OPC_MAC (f-op-25-5 0) rA rB (f-resv-10-7 0) OPC_MAC_MAC)
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(sequence ((WI prod) (DI result))
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(set WI prod (mul WI rA rB))
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(set DI result (add (join DI SI mac-machi mac-maclo) (ext DI prod)))
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(set SI mac-machi (subword SI result 0))
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(set SI mac-maclo (subword SI result 1))
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)
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()
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)
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(dni l-msb
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"l.msb reg/reg"
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((MACH ORBIS-MACHS))
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"l.msb $rA,$rB"
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(+ OPC_MAC (f-op-25-5 0) rA rB (f-resv-10-7 0) OPC_MAC_MSB)
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(sequence ((WI prod) (DI result))
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|
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|
(set WI prod (mul WI rA rB))
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|
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(set DI result (sub (join DI SI mac-machi mac-maclo) (ext DI prod)))
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(set SI mac-machi (subword SI result 0))
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(set SI mac-maclo (subword SI result 1))
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|
)
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()
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)
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(dni l-maci
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"l.maci reg/simm16"
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((MACH ORBIS-MACHS))
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"l.maci $rA,${simm16}"
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(+ OPC_MACI (f-resv-25-5 0) rA simm16)
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|
|
|
|
(sequence ((WI prod) (DI result))
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|
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|
(set WI prod (mul WI (ext WI simm16) rA))
|
|
|
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|
|
(set DI result (add (join DI SI mac-machi mac-maclo) (ext DI prod)))
|
|
|
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|
(set SI mac-machi (subword SI result 0))
|
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|
|
|
|
(set SI mac-maclo (subword SI result 1))
|
|
|
|
|
|
)
|
|
|
|
|
|
()
|
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|
|
)
|
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|
(define-pmacro (cust-insn cust-num)
|
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|
(begin
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(dni (.sym l- "cust" cust-num)
|
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|
(.str "l.cust" cust-num)
|
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|
((MACH ORBIS-MACHS))
|
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|
(.str "l.cust" cust-num)
|
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(+ (.sym OPC_CUST cust-num) (f-resv-25-26 0))
|
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|
(nop)
|
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|
()
|
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)
|
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|
)
|
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)
|
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(cust-insn "1")
|
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(cust-insn "2")
|
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|
(cust-insn "3")
|
|
|
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|
(cust-insn "4")
|
|
|
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|
|
(cust-insn "5")
|
|
|
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|
|
(cust-insn "6")
|
|
|
|
|
|
(cust-insn "7")
|
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|
(cust-insn "8")
|
