| blob | 087d3db2a3135a3e83e3c986ff780ed0799d8588 |
1 # M-profile MVE instruction descriptions
2 #
3 # Copyright (c) 2021 Linaro, Ltd
4 #
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.
9 #
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.
14 #
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/>.
18 #
19 # This file is processed by scripts/decodetree.py
20 #
22 %qd 22:1 13:3
23 %qm 5:1 1:3
24 %qn 7:1 17:3
26 &vldr_vstr rn qd imm p a w size l u
27 &1op qd qm size
28 &2op qd qm qn size
30 @vldr_vstr ....... . . . . l:1 rn:4 ... ...... imm:7 &vldr_vstr qd=%qd u=0
31 # Note that both Rn and Qd are 3 bits only (no D bit)
32 @vldst_wn ... u:1 ... . . . . l:1 . rn:3 qd:3 . ... .. imm:7 &vldr_vstr
34 @1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm
35 @1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0
36 @2op .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn
37 @2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0
39 # Vector loads and stores
41 # Widening loads and narrowing stores:
42 # for these P=0 W=0 is 'related encoding'; sz=11 is 'related encoding'
43 # This means we need to expand out to multiple patterns for P, W, SZ.
44 # For stores the U bit must be 0 but we catch that in the trans_ function.
45 # The naming scheme here is "VLDSTB_H == in-memory byte load/store to/from
46 # signed halfword element in register", etc.
47 VLDSTB_H 111 . 110 0 a:1 0 1 . 0 ... ... 0 111 01 ....... @vldst_wn \
48 p=0 w=1 size=1
49 VLDSTB_H 111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 01 ....... @vldst_wn \
50 p=1 size=1
51 VLDSTB_W 111 . 110 0 a:1 0 1 . 0 ... ... 0 111 10 ....... @vldst_wn \
52 p=0 w=1 size=2
53 VLDSTB_W 111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 10 ....... @vldst_wn \
54 p=1 size=2
55 VLDSTH_W 111 . 110 0 a:1 0 1 . 1 ... ... 0 111 10 ....... @vldst_wn \
56 p=0 w=1 size=2
57 VLDSTH_W 111 . 110 1 a:1 0 w:1 . 1 ... ... 0 111 10 ....... @vldst_wn \
58 p=1 size=2
60 # Non-widening loads/stores (P=0 W=0 is 'related encoding')
61 VLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111100 ....... @vldr_vstr \
62 size=0 p=0 w=1
63 VLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111101 ....... @vldr_vstr \
64 size=1 p=0 w=1
65 VLDR_VSTR 1110110 0 a:1 . 1 . .... ... 111110 ....... @vldr_vstr \
66 size=2 p=0 w=1
67 VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111100 ....... @vldr_vstr \
68 size=0 p=1
69 VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111101 ....... @vldr_vstr \
70 size=1 p=1
71 VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111110 ....... @vldr_vstr \
72 size=2 p=1
74 # Vector 2-op
75 VAND 1110 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
76 VBIC 1110 1111 0 . 01 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
77 VORR 1110 1111 0 . 10 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
78 VORN 1110 1111 0 . 11 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
79 VEOR 1111 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
81 VADD 1110 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
82 VSUB 1111 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
83 VMUL 1110 1111 0 . .. ... 0 ... 0 1001 . 1 . 1 ... 0 @2op
85 VMULH_S 111 0 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
86 VMULH_U 111 1 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
88 VRMULH_S 111 0 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op
89 VRMULH_U 111 1 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op
91 VMAX_S 111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op
92 VMAX_U 111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op
93 VMIN_S 111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
94 VMIN_U 111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
96 VABD_S 111 0 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op
97 VABD_U 111 1 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op
99 # Vector miscellaneous
101 VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op
102 VCLZ 1111 1111 1 . 11 .. 00 ... 0 0100 11 . 0 ... 0 @1op
104 VREV16 1111 1111 1 . 11 .. 00 ... 0 0001 01 . 0 ... 0 @1op
105 VREV32 1111 1111 1 . 11 .. 00 ... 0 0000 11 . 0 ... 0 @1op
106 VREV64 1111 1111 1 . 11 .. 00 ... 0 0000 01 . 0 ... 0 @1op
108 VMVN 1111 1111 1 . 11 00 00 ... 0 0101 11 . 0 ... 0 @1op_nosz
110 VABS 1111 1111 1 . 11 .. 01 ... 0 0011 01 . 0 ... 0 @1op
111 VABS_fp 1111 1111 1 . 11 .. 01 ... 0 0111 01 . 0 ... 0 @1op
112 VNEG 1111 1111 1 . 11 .. 01 ... 0 0011 11 . 0 ... 0 @1op
113 VNEG_fp 1111 1111 1 . 11 .. 01 ... 0 0111 11 . 0 ... 0 @1op
115 &vdup qd rt size
116 # Qd is in the fields usually named Qn
117 @vdup .... .... . . .. ... . rt:4 .... . . . . .... qd=%qn &vdup
119 # B and E bits encode size, which we decode here to the usual size values
120 VDUP 1110 1110 1 1 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=0
121 VDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 1 1 0000 @vdup size=1
122 VDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=2