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/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
* Copyright (C) 2015 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Chrysalide is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
@title CMP (register)
@desc Compare (register) subtracts an optionally-shifted register value from a register value. It updates the condition flags based on the result, and discards the result.
@encoding (t1) {
@half 0 1 0 0 0 0 1 0 1 0 Rm(3) Rn(3)
@syntax <reg_N> <reg_M>
@conv {
reg_N = Register(Rn)
reg_M = Register(Rm)
}
}
@encoding (t2) {
@half 0 1 0 0 0 1 0 1 N(1) Rm(4) Rn(3)
@syntax <reg_N> <reg_M>
@conv {
reg_N = Register(N:Rn)
reg_M = Register(Rm)
}
}
@encoding (T3) {
@word 1 1 1 0 1 0 1 1 1 0 1 1 Rn(4) 0 imm3(3) 1 1 1 1 imm2(2) type(2) Rm(4)
@syntax ".W" <reg_N> <reg_M> <?shift>
@conv {
reg_N = Register(Rn)
reg_M = Register(Rm)
shift = DecodeImmShift(type, imm3:imm2)
}
}
@encoding (A1) {
@word cond(4) 0 0 0 1 0 1 0 1 Rn(4) 0 0 0 0 imm5(5) type(2) 0 Rm(4)
@syntax <reg_N> <reg_M> <?shift>
@conv {
reg_N = Register(Rn)
reg_M = Register(Rm)
shift = DecodeImmShift(type, imm5)
}
@rules {
chk_call StoreCondition(cond)
}
}
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