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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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
@title CBNZ, CBZ
@id 28
@desc {
Compare and Branch on Nonzero and Compare and Branch on Zero compare the value in a register with zero, and conditionally branch forward a constant value. They do not affect the condition flags.
}
@encoding (t1) {
@half 1 0 1 1 op(1) 0 i(1) 1 imm5(5) Rn(3)
@syntax {
@subid 97
@assert {
op == 0
}
@conv {
reg_N = Register(Rn)
imm32 = ZeroExtend(i:imm5:'0', 32)
}
@asm cbz reg_N imm32
}
@syntax {
@subid 98
@assert {
op == 1
}
@conv {
reg_N = Register(Rn)
imm32 = ZeroExtend(i:imm5:'0', 32)
}
@asm cbnz reg_N imm32
}
@hooks {
fetch = help_fetching_with_instruction_cb_n_z
link = handle_comp_and_branch_if_true_as_link
post = post_process_comp_and_branch_instructions
}
}
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