81 lines
2.8 KiB
Plaintext
81 lines
2.8 KiB
Plaintext
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# Instruction cache rules
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#
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# This file is part of the program psim.
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#
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# Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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compute:RA:RA::
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compute:RA:Ra:signed32 *:(&GPR[RA])
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compute:RA:RaH:signed16 *:AH2_4(Ra)
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compute:RA:RaL:signed16 *:AL2_4(Ra)
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compute:RA:val_Ra:signed32:(RA == 0 ? 0 : GPR[RA])
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#
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compute:RB:RB::
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compute:RB:Rb:signed32:(RB == 0 ? 0 : GPR[RB])
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compute:RB:RbU:unsigned32:(RB == 0 ? 0 : GPR[RB])
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compute:RB:RbH:signed16:VH2_4(Rb)
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compute:RB:RbL:signed16:VL2_4(Rb)
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compute:RB:RbHU:unsigned16:VH2_4(Rb)
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compute:RB:RbLU:unsigned16:VL2_4(Rb)
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#
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compute:RC:RC::
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compute:RC:Rc:signed32:(RC == 0 ? 0 : GPR[RC])
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compute:RC:RcU:unsigned32:(RC == 0 ? 0 : GPR[RC])
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compute:RC:RcH:signed16:VH2_4(Rc)
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compute:RC:RcL:signed16:VL2_4(Rc)
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#
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#
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compute:IMM_6S:IMM_6S::
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compute:IMM_6S:imm:signed32:SEXT32(IMM_6S, 32 - 6)
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# NB - for short imm[HL] are the same value
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compute:IMM_6S:immHL:signed32:((imm << 16) | MASKED32(imm, 16, 31))
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compute:IMM_6S:immH:signed32:imm
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compute:IMM_6S:immL:signed32:imm
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compute:IMM_6S:imm_6:signed32:IMM_6S
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compute:IMM_6S:imm_5:signed32:LSMASKED32(IMM_6S, 4, 0)
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compute:IMM_6S:imm_6u:unsigned32:(IMM_6S & 0x3f)
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#
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compute:RC:pcdisp:signed32:(Rc & ~0x7)
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compute:RC:pcaddr:signed32:pcdisp
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#
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compute:IMM_18S:IMM_18S::
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compute:IMM_18S:pcdisp:signed32:(SEXT32(IMM_18S, 32 - 18) << 3)
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compute:IMM_18S:pcaddr:signed32:pcdisp
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compute:IMM_12S:IMM_12S::
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compute:IMM_12S:pcdisp:signed32:(SEXT32(IMM_12S, 32 - 12) << 3)
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compute:IMM_12S:pcaddr:signed32:pcdisp
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#
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compute:IMM_8L:IMM_8L::
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compute:IMM_18L:IMM_18L::
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compute:IMM_6L:IMM_6L::
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compute:IMM_6L:imm:signed32:((((IMM_6L << 8) | IMM_8L) << 18) | IMM_18L)
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compute:IMM_6L:immHL:signed32:imm
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compute:IMM_6L:immH:signed32:EXTRACTED32(imm, 0, 15)
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compute:IMM_6L:immL:signed32:EXTRACTED32(imm, 16, 31)
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compute:IMM_6L:pcdisp:signed32:(imm & ~0x7)
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compute:IMM_6L:pcaddr:signed32:pcdisp
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#
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#
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compute:SRC_6:SRC_6::
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compute:SRC_6:src:unsigned32:(XX == 2 ? SEXT32(SRC_6, 32 - 6) : GPR[SRC_6])
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#
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#
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compute:AA:AA::
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compute:AA:Aa:unsigned64*:((CPU)->regs.accumulator + AA)
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compute:AB:AB::
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compute:AB:Ab:unsigned64*:((CPU)->regs.accumulator + AB)
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