1 # AArch64 SME allowed instruction decoding
3 # Copyright (c) 2022 Linaro, Ltd
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License, or (at your option) any later version.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 # This file is processed by scripts/decodetree.py
22 # These patterns are taken from Appendix E1.1 of DDI0616 A.a,
23 # Arm Architecture Reference Manual Supplement,
24 # The Scalable Matrix Extension (SME), for Armv9-A
28 OK 0-00 1110 0000 0001 0010 11-- ---- ---- # SMOV W|Xd,Vn.B[0]
29 OK 0-00 1110 0000 0010 0010 11-- ---- ---- # SMOV W|Xd,Vn.H[0]
30 OK 0100 1110 0000 0100 0010 11-- ---- ---- # SMOV Xd,Vn.S[0]
31 OK 0000 1110 0000 0001 0011 11-- ---- ---- # UMOV Wd,Vn.B[0]
32 OK 0000 1110 0000 0010 0011 11-- ---- ---- # UMOV Wd,Vn.H[0]
33 OK 0000 1110 0000 0100 0011 11-- ---- ---- # UMOV Wd,Vn.S[0]
34 OK 0100 1110 0000 1000 0011 11-- ---- ---- # UMOV Xd,Vn.D[0]
36 FAIL 0--0 111- ---- ---- ---- ---- ---- ---- # Advanced SIMD vector operations
41 OK 0101 1110 --1- ---- 11-1 11-- ---- ---- # FMULX/FRECPS/FRSQRTS (scalar)
42 OK 0101 1110 -10- ---- 00-1 11-- ---- ---- # FMULX/FRECPS/FRSQRTS (scalar, FP16)
43 OK 01-1 1110 1-10 0001 11-1 10-- ---- ---- # FRECPE/FRSQRTE/FRECPX (scalar)
44 OK 01-1 1110 1111 1001 11-1 10-- ---- ---- # FRECPE/FRSQRTE/FRECPX (scalar, FP16)
46 FAIL 01-1 111- ---- ---- ---- ---- ---- ---- # Advanced SIMD single-element operations
49 FAIL 0-00 110- ---- ---- ---- ---- ---- ---- # Advanced SIMD structure load/store
50 FAIL 1100 1110 ---- ---- ---- ---- ---- ---- # Advanced SIMD cryptography extensions
51 FAIL 0001 1110 0111 1110 0000 00-- ---- ---- # FJCVTZS
53 # These are the "avoidance of doubt" final table of Illegal Advanced SIMD instructions
54 # We don't actually need to include these, as the default is OK.
55 # -001 111- ---- ---- ---- ---- ---- ---- # Scalar floating-point operations
56 # --10 110- ---- ---- ---- ---- ---- ---- # Load/store pair of FP registers
57 # --01 1100 ---- ---- ---- ---- ---- ---- # Load FP register (PC-relative literal)
58 # --11 1100 --0- ---- ---- ---- ---- ---- # Load/store FP register (unscaled imm)
59 # --11 1100 --1- ---- ---- ---- ---- --10 # Load/store FP register (register offset)
60 # --11 1101 ---- ---- ---- ---- ---- ---- # Load/store FP register (scaled imm)