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/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
* Copyright (C) 2017 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 (immediate)
@id 36
@desc {
Compare (immediate) subtracts an immediate value from a register value. It updates the condition flags based on the result, and discards the result.
}
@encoding (t1) {
@half 0 0 1 0 1 Rn(3) imm8(8)
@syntax {
@conv {
reg_N = Register(Rn)
imm32 = ZeroExtend(imm8, 32)
}
@asm cmp reg_N imm32
}
}
@encoding (T2) {
@word 1 1 1 1 0 i(1) 0 1 1 0 1 1 Rn(4) 0 imm3(3) 1 1 1 1 imm8(8)
@syntax {
@conv {
reg_N = Register(Rn)
imm32 = ThumbExpandImm(i:imm3:imm8)
}
@asm cmp.w reg_N imm32
}
}
@encoding (A1) {
@word cond(4) 0 0 1 1 0 1 0 1 Rn(4) 0 0 0 0 imm12(12)
@syntax {
@conv {
reg_N = Register(Rn)
imm32 = ARMExpandImm(imm12)
}
@asm cmp reg_N imm32
@rules {
check g_arm_instruction_set_cond(cond)
}
}
}
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