16390eed4SPeter Maydell# M-profile MVE instruction descriptions 26390eed4SPeter Maydell# 36390eed4SPeter Maydell# Copyright (c) 2021 Linaro, Ltd 46390eed4SPeter Maydell# 56390eed4SPeter Maydell# This library is free software; you can redistribute it and/or 66390eed4SPeter Maydell# modify it under the terms of the GNU Lesser General Public 76390eed4SPeter Maydell# License as published by the Free Software Foundation; either 86390eed4SPeter Maydell# version 2.1 of the License, or (at your option) any later version. 96390eed4SPeter Maydell# 106390eed4SPeter Maydell# This library is distributed in the hope that it will be useful, 116390eed4SPeter Maydell# but WITHOUT ANY WARRANTY; without even the implied warranty of 126390eed4SPeter Maydell# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 136390eed4SPeter Maydell# Lesser General Public License for more details. 146390eed4SPeter Maydell# 156390eed4SPeter Maydell# You should have received a copy of the GNU Lesser General Public 166390eed4SPeter Maydell# License along with this library; if not, see <http://www.gnu.org/licenses/>. 176390eed4SPeter Maydell 186390eed4SPeter Maydell# 196390eed4SPeter Maydell# This file is processed by scripts/decodetree.py 206390eed4SPeter Maydell# 21507b6a50SPeter Maydell 22507b6a50SPeter Maydell%qd 22:1 13:3 230f0f2bd5SPeter Maydell%qm 5:1 1:3 24ab59362fSPeter Maydell%qn 7:1 17:3 25507b6a50SPeter Maydell 262fc6b751SPeter Maydell&vldr_vstr rn qd imm p a w size l u 270f0f2bd5SPeter Maydell&1op qd qm size 2868245e44SPeter Maydell&2op qd qm qn size 29507b6a50SPeter Maydell 302fc6b751SPeter Maydell@vldr_vstr ....... . . . . l:1 rn:4 ... ...... imm:7 &vldr_vstr qd=%qd u=0 312fc6b751SPeter Maydell# Note that both Rn and Qd are 3 bits only (no D bit) 322fc6b751SPeter Maydell@vldst_wn ... u:1 ... . . . . l:1 . rn:3 qd:3 . ... .. imm:7 &vldr_vstr 33507b6a50SPeter Maydell 340f0f2bd5SPeter Maydell@1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm 358abd3c80SPeter Maydell@1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0 369333fe4dSPeter Maydell@2op .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn 3768245e44SPeter Maydell@2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0 380f0f2bd5SPeter Maydell 39507b6a50SPeter Maydell# Vector loads and stores 40507b6a50SPeter Maydell 412fc6b751SPeter Maydell# Widening loads and narrowing stores: 422fc6b751SPeter Maydell# for these P=0 W=0 is 'related encoding'; sz=11 is 'related encoding' 432fc6b751SPeter Maydell# This means we need to expand out to multiple patterns for P, W, SZ. 442fc6b751SPeter Maydell# For stores the U bit must be 0 but we catch that in the trans_ function. 452fc6b751SPeter Maydell# The naming scheme here is "VLDSTB_H == in-memory byte load/store to/from 462fc6b751SPeter Maydell# signed halfword element in register", etc. 472fc6b751SPeter MaydellVLDSTB_H 111 . 110 0 a:1 0 1 . 0 ... ... 0 111 01 ....... @vldst_wn \ 482fc6b751SPeter Maydell p=0 w=1 size=1 492fc6b751SPeter MaydellVLDSTB_H 111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 01 ....... @vldst_wn \ 502fc6b751SPeter Maydell p=1 size=1 512fc6b751SPeter MaydellVLDSTB_W 111 . 110 0 a:1 0 1 . 0 ... ... 0 111 10 ....... @vldst_wn \ 522fc6b751SPeter Maydell p=0 w=1 size=2 532fc6b751SPeter MaydellVLDSTB_W 111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 10 ....... @vldst_wn \ 542fc6b751SPeter Maydell p=1 size=2 552fc6b751SPeter MaydellVLDSTH_W 111 . 110 0 a:1 0 1 . 1 ... ... 0 111 10 ....... @vldst_wn \ 562fc6b751SPeter Maydell p=0 w=1 size=2 572fc6b751SPeter MaydellVLDSTH_W 111 . 110 1 a:1 0 w:1 . 1 ... ... 0 111 10 ....... @vldst_wn \ 582fc6b751SPeter Maydell p=1 size=2 592fc6b751SPeter Maydell 60507b6a50SPeter Maydell# Non-widening loads/stores (P=0 W=0 is 'related encoding') 61507b6a50SPeter MaydellVLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111100 ....... @vldr_vstr \ 62507b6a50SPeter Maydell size=0 p=0 w=1 63507b6a50SPeter MaydellVLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111101 ....... @vldr_vstr \ 64507b6a50SPeter Maydell size=1 p=0 w=1 65507b6a50SPeter MaydellVLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111110 ....... @vldr_vstr \ 66507b6a50SPeter Maydell size=2 p=0 w=1 67507b6a50SPeter MaydellVLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111100 ....... @vldr_vstr \ 68507b6a50SPeter Maydell size=0 p=1 69507b6a50SPeter MaydellVLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111101 ....... @vldr_vstr \ 70507b6a50SPeter Maydell size=1 p=1 71507b6a50SPeter MaydellVLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111110 ....... @vldr_vstr \ 72507b6a50SPeter Maydell size=2 p=1 730f0f2bd5SPeter Maydell 7468245e44SPeter Maydell# Vector 2-op 7568245e44SPeter MaydellVAND 1110 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz 7668245e44SPeter MaydellVBIC 1110 1111 0 . 01 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz 7768245e44SPeter MaydellVORR 1110 1111 0 . 10 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz 7868245e44SPeter MaydellVORN 1110 1111 0 . 11 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz 7968245e44SPeter MaydellVEOR 1111 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz 8068245e44SPeter Maydell 819333fe4dSPeter MaydellVADD 1110 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op 829333fe4dSPeter MaydellVSUB 1111 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op 839333fe4dSPeter MaydellVMUL 1110 1111 0 . .. ... 0 ... 0 1001 . 1 . 1 ... 0 @2op 849333fe4dSPeter Maydell 85ba62cc56SPeter MaydellVMULH_S 111 0 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op 86ba62cc56SPeter MaydellVMULH_U 111 1 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op 87ba62cc56SPeter Maydell 88fca87b78SPeter MaydellVRMULH_S 111 0 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op 89fca87b78SPeter MaydellVRMULH_U 111 1 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op 90fca87b78SPeter Maydell 91cd367ff3SPeter MaydellVMAX_S 111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op 92cd367ff3SPeter MaydellVMAX_U 111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op 93cd367ff3SPeter MaydellVMIN_S 111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op 94cd367ff3SPeter MaydellVMIN_U 111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op 95cd367ff3SPeter Maydell 96bc67aa8dSPeter MaydellVABD_S 111 0 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op 97bc67aa8dSPeter MaydellVABD_U 111 1 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op 98bc67aa8dSPeter Maydell 99abc48e31SPeter MaydellVHADD_S 111 0 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op 100abc48e31SPeter MaydellVHADD_U 111 1 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op 101abc48e31SPeter MaydellVHSUB_S 111 0 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op 102abc48e31SPeter MaydellVHSUB_U 111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op 103abc48e31SPeter Maydell 104ac6ad1dcSPeter MaydellVMULL_BS 111 0 1110 0 . .. ... 1 ... 0 1110 . 0 . 0 ... 0 @2op 105ac6ad1dcSPeter MaydellVMULL_BU 111 1 1110 0 . .. ... 1 ... 0 1110 . 0 . 0 ... 0 @2op 106ac6ad1dcSPeter MaydellVMULL_TS 111 0 1110 0 . .. ... 1 ... 1 1110 . 0 . 0 ... 0 @2op 107ac6ad1dcSPeter MaydellVMULL_TU 111 1 1110 0 . .. ... 1 ... 1 1110 . 0 . 0 ... 0 @2op 108ac6ad1dcSPeter Maydell 1090f0f2bd5SPeter Maydell# Vector miscellaneous 1100f0f2bd5SPeter Maydell 1116437f1f7SPeter MaydellVCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op 1120f0f2bd5SPeter MaydellVCLZ 1111 1111 1 . 11 .. 00 ... 0 0100 11 . 0 ... 0 @1op 113249b5309SPeter Maydell 114249b5309SPeter MaydellVREV16 1111 1111 1 . 11 .. 00 ... 0 0001 01 . 0 ... 0 @1op 115249b5309SPeter MaydellVREV32 1111 1111 1 . 11 .. 00 ... 0 0000 11 . 0 ... 0 @1op 116249b5309SPeter MaydellVREV64 1111 1111 1 . 11 .. 00 ... 0 0000 01 . 0 ... 0 @1op 1178abd3c80SPeter Maydell 1188abd3c80SPeter MaydellVMVN 1111 1111 1 . 11 00 00 ... 0 0101 11 . 0 ... 0 @1op_nosz 11959c91773SPeter Maydell 12059c91773SPeter MaydellVABS 1111 1111 1 . 11 .. 01 ... 0 0011 01 . 0 ... 0 @1op 12159c91773SPeter MaydellVABS_fp 1111 1111 1 . 11 .. 01 ... 0 0111 01 . 0 ... 0 @1op 122399a8c76SPeter MaydellVNEG 1111 1111 1 . 11 .. 01 ... 0 0011 11 . 0 ... 0 @1op 123399a8c76SPeter MaydellVNEG_fp 1111 1111 1 . 11 .. 01 ... 0 0111 11 . 0 ... 0 @1op 124ab59362fSPeter Maydell 125ab59362fSPeter Maydell&vdup qd rt size 126ab59362fSPeter Maydell# Qd is in the fields usually named Qn 127ab59362fSPeter Maydell@vdup .... .... . . .. ... . rt:4 .... . . . . .... qd=%qn &vdup 128ab59362fSPeter Maydell 129ab59362fSPeter Maydell# B and E bits encode size, which we decode here to the usual size values 130ab59362fSPeter MaydellVDUP 1110 1110 1 1 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=0 131ab59362fSPeter MaydellVDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 1 1 0000 @vdup size=1 132ab59362fSPeter MaydellVDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=2 133*1d2386f7SPeter Maydell 134*1d2386f7SPeter Maydell# multiply-add long dual accumulate 135*1d2386f7SPeter Maydell# rdahi: bits [3:1] from insn, bit 0 is 1 136*1d2386f7SPeter Maydell# rdalo: bits [3:1] from insn, bit 0 is 0 137*1d2386f7SPeter Maydell%rdahi 20:3 !function=times_2_plus_1 138*1d2386f7SPeter Maydell%rdalo 13:3 !function=times_2 139*1d2386f7SPeter Maydell# size bit is 0 for 16 bit, 1 for 32 bit 140*1d2386f7SPeter Maydell%size_16 16:1 !function=plus_1 141*1d2386f7SPeter Maydell 142*1d2386f7SPeter Maydell&vmlaldav rdahi rdalo size qn qm x a 143*1d2386f7SPeter Maydell 144*1d2386f7SPeter Maydell@vmlaldav .... .... . ... ... . ... . .... .... qm:3 . \ 145*1d2386f7SPeter Maydell qn=%qn rdahi=%rdahi rdalo=%rdalo size=%size_16 &vmlaldav 146*1d2386f7SPeter MaydellVMLALDAV_S 1110 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav 147*1d2386f7SPeter MaydellVMLALDAV_U 1111 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav 148