1625e3dd4SPeter Maydell# AArch32 Neon data-processing instruction descriptions 2625e3dd4SPeter Maydell# 3625e3dd4SPeter Maydell# Copyright (c) 2020 Linaro, Ltd 4625e3dd4SPeter Maydell# 5625e3dd4SPeter Maydell# This library is free software; you can redistribute it and/or 6625e3dd4SPeter Maydell# modify it under the terms of the GNU Lesser General Public 7625e3dd4SPeter Maydell# License as published by the Free Software Foundation; either 8625e3dd4SPeter Maydell# version 2 of the License, or (at your option) any later version. 9625e3dd4SPeter Maydell# 10625e3dd4SPeter Maydell# This library is distributed in the hope that it will be useful, 11625e3dd4SPeter Maydell# but WITHOUT ANY WARRANTY; without even the implied warranty of 12625e3dd4SPeter Maydell# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13625e3dd4SPeter Maydell# Lesser General Public License for more details. 14625e3dd4SPeter Maydell# 15625e3dd4SPeter Maydell# You should have received a copy of the GNU Lesser General Public 16625e3dd4SPeter Maydell# License along with this library; if not, see <http://www.gnu.org/licenses/>. 17625e3dd4SPeter Maydell 18625e3dd4SPeter Maydell# 19625e3dd4SPeter Maydell# This file is processed by scripts/decodetree.py 20625e3dd4SPeter Maydell# 21a4e143acSPeter Maydell# VFP/Neon register fields; same as vfp.decode 22a4e143acSPeter Maydell%vm_dp 5:1 0:4 23a4e143acSPeter Maydell%vn_dp 7:1 16:4 24a4e143acSPeter Maydell%vd_dp 22:1 12:4 25625e3dd4SPeter Maydell 26625e3dd4SPeter Maydell# Encodings for Neon data processing instructions where the T32 encoding 27625e3dd4SPeter Maydell# is a simple transformation of the A32 encoding. 28625e3dd4SPeter Maydell# More specifically, this file covers instructions where the A32 encoding is 29625e3dd4SPeter Maydell# 0b1111_001p_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq 30625e3dd4SPeter Maydell# and the T32 encoding is 31625e3dd4SPeter Maydell# 0b111p_1111_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq 32625e3dd4SPeter Maydell# This file works on the A32 encoding only; calling code for T32 has to 33625e3dd4SPeter Maydell# transform the insn into the A32 version first. 34a4e143acSPeter Maydell 35a4e143acSPeter Maydell###################################################################### 36a4e143acSPeter Maydell# 3-reg-same grouping: 37a4e143acSPeter Maydell# 1111 001 U 0 D sz:2 Vn:4 Vd:4 opc:4 N Q M op Vm:4 38a4e143acSPeter Maydell###################################################################### 39a4e143acSPeter Maydell 40a4e143acSPeter Maydell&3same vm vn vd q size 41a4e143acSPeter Maydell 42a4e143acSPeter Maydell@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \ 43a4e143acSPeter Maydell &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp 44a4e143acSPeter Maydell 4535a548edSPeter Maydell@3same_logic .... ... . . . .. .... .... .... . q:1 .. .... \ 4635a548edSPeter Maydell &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=0 4735a548edSPeter Maydell 4835a548edSPeter MaydellVAND_3s 1111 001 0 0 . 00 .... .... 0001 ... 1 .... @3same_logic 4935a548edSPeter MaydellVBIC_3s 1111 001 0 0 . 01 .... .... 0001 ... 1 .... @3same_logic 5035a548edSPeter MaydellVORR_3s 1111 001 0 0 . 10 .... .... 0001 ... 1 .... @3same_logic 5135a548edSPeter MaydellVORN_3s 1111 001 0 0 . 11 .... .... 0001 ... 1 .... @3same_logic 5235a548edSPeter MaydellVEOR_3s 1111 001 1 0 . 00 .... .... 0001 ... 1 .... @3same_logic 5335a548edSPeter MaydellVBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic 5435a548edSPeter MaydellVBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic 5535a548edSPeter MaydellVBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic 5635a548edSPeter Maydell 57*36b59310SPeter MaydellVMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same 58*36b59310SPeter MaydellVMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same 59*36b59310SPeter MaydellVMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same 60*36b59310SPeter MaydellVMIN_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 1 .... @3same 61*36b59310SPeter Maydell 62a4e143acSPeter MaydellVADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same 63a4e143acSPeter MaydellVSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same 64