1 # AArch32 Neon instruction descriptions
3 # Copyright (c) 2020 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 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 # Encodings for Neon instructions whose encoding is the same for
25 # More specifically, this covers:
26 # 2reg scalar ext: 0b1111_1110_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
27 # 3same ext: 0b1111_110x_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
29 # VFP/Neon register fields; same as vfp.decode
37 VCMLA 1111 110 rot:2 . 1 size:1 .... .... 1000 . q:1 . 0 .... \
38 vm=%vm_dp vn=%vn_dp vd=%vd_dp
40 VCADD 1111 110 rot:1 1 . 0 size:1 .... .... 1000 . q:1 . 0 .... \
41 vm=%vm_dp vn=%vn_dp vd=%vd_dp
44 VDOT 1111 110 00 . 10 .... .... 1101 . q:1 . u:1 .... \
45 vm=%vm_dp vn=%vn_dp vd=%vd_dp
48 VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
49 vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
50 VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
51 vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
53 VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
54 vn=%vn_dp vd=%vd_dp size=0
55 VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
56 vm=%vm_dp vn=%vn_dp vd=%vd_dp size=1 index=0
58 VDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 u:1 rm:4 \
59 vm=%vm_dp vn=%vn_dp vd=%vd_dp
61 %vfml_scalar_q0_rm 0:3 5:1
62 %vfml_scalar_q1_index 5:1 3:1
63 VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 0 . 1 index:1 ... \
64 rm=%vfml_scalar_q0_rm vn=%vn_sp vd=%vd_dp q=0
65 VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 1 . 1 . rm:3 \
66 index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp q=1