xref: /qemu/target/arm/tcg/mve.decode (revision eab84139855dac258c8d89ad736f6649e3edc76a)
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
26a8890353SPeter Maydell# VQDMULL has size in bit 28: 0 for 16 bit, 1 for 32 bit
27a8890353SPeter Maydell%size_28 28:1 !function=plus_1
28a8890353SPeter Maydell
29*eab84139SPeter Maydell# 1imm format immediate
30*eab84139SPeter Maydell%imm_28_16_0 28:1 16:3 0:4
31*eab84139SPeter Maydell
322fc6b751SPeter Maydell&vldr_vstr rn qd imm p a w size l u
330f0f2bd5SPeter Maydell&1op qd qm size
3468245e44SPeter Maydell&2op qd qm qn size
35e51896b3SPeter Maydell&2scalar qd qn rm size
36*eab84139SPeter Maydell&1imm qd imm cmode op
37507b6a50SPeter Maydell
382fc6b751SPeter Maydell@vldr_vstr ....... . . . . l:1 rn:4 ... ...... imm:7 &vldr_vstr qd=%qd u=0
392fc6b751SPeter Maydell# Note that both Rn and Qd are 3 bits only (no D bit)
402fc6b751SPeter Maydell@vldst_wn ... u:1 ... . . . . l:1 . rn:3 qd:3 . ... .. imm:7 &vldr_vstr
41507b6a50SPeter Maydell
420f0f2bd5SPeter Maydell@1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm
438abd3c80SPeter Maydell@1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0
449333fe4dSPeter Maydell@2op .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn
4568245e44SPeter Maydell@2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0
4643364321SPeter Maydell@2op_sz28 .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn \
4743364321SPeter Maydell     size=%size_28
48*eab84139SPeter Maydell@1imm .... .... .... .... .... cmode:4 .. op:1 . .... &1imm qd=%qd imm=%imm_28_16_0
490f0f2bd5SPeter Maydell
50483da661SPeter Maydell# The _rev suffix indicates that Vn and Vm are reversed. This is
51483da661SPeter Maydell# the case for shifts. In the Arm ARM these insns are documented
52483da661SPeter Maydell# with the Vm and Vn fields in their usual places, but in the
53483da661SPeter Maydell# assembly the operands are listed "backwards", ie in the order
54483da661SPeter Maydell# Qd, Qm, Qn where other insns use Qd, Qn, Qm. For QEMU we choose
55483da661SPeter Maydell# to consider Vm and Vn as being in different fields in the insn.
56483da661SPeter Maydell# This gives us consistency with A64 and Neon.
57483da661SPeter Maydell@2op_rev .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qn qn=%qm
58483da661SPeter Maydell
59e51896b3SPeter Maydell@2scalar .... .... .. size:2 .... .... .... .... rm:4 &2scalar qd=%qd qn=%qn
60a8890353SPeter Maydell@2scalar_nosz .... .... .... .... .... .... .... rm:4 &2scalar qd=%qd qn=%qn
61e51896b3SPeter Maydell
62507b6a50SPeter Maydell# Vector loads and stores
63507b6a50SPeter Maydell
642fc6b751SPeter Maydell# Widening loads and narrowing stores:
652fc6b751SPeter Maydell# for these P=0 W=0 is 'related encoding'; sz=11 is 'related encoding'
662fc6b751SPeter Maydell# This means we need to expand out to multiple patterns for P, W, SZ.
672fc6b751SPeter Maydell# For stores the U bit must be 0 but we catch that in the trans_ function.
682fc6b751SPeter Maydell# The naming scheme here is "VLDSTB_H == in-memory byte load/store to/from
692fc6b751SPeter Maydell# signed halfword element in register", etc.
702fc6b751SPeter MaydellVLDSTB_H         111 . 110 0 a:1 0 1   . 0 ... ... 0 111 01 ....... @vldst_wn \
712fc6b751SPeter Maydell                 p=0 w=1 size=1
722fc6b751SPeter MaydellVLDSTB_H         111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 01 ....... @vldst_wn \
732fc6b751SPeter Maydell                 p=1 size=1
742fc6b751SPeter MaydellVLDSTB_W         111 . 110 0 a:1 0 1   . 0 ... ... 0 111 10 ....... @vldst_wn \
752fc6b751SPeter Maydell                 p=0 w=1 size=2
762fc6b751SPeter MaydellVLDSTB_W         111 . 110 1 a:1 0 w:1 . 0 ... ... 0 111 10 ....... @vldst_wn \
772fc6b751SPeter Maydell                 p=1 size=2
782fc6b751SPeter MaydellVLDSTH_W         111 . 110 0 a:1 0 1   . 1 ... ... 0 111 10 ....... @vldst_wn \
792fc6b751SPeter Maydell                 p=0 w=1 size=2
802fc6b751SPeter MaydellVLDSTH_W         111 . 110 1 a:1 0 w:1 . 1 ... ... 0 111 10 ....... @vldst_wn \
812fc6b751SPeter Maydell                 p=1 size=2
822fc6b751SPeter Maydell
83507b6a50SPeter Maydell# Non-widening loads/stores (P=0 W=0 is 'related encoding')
84507b6a50SPeter MaydellVLDR_VSTR        1110110 0 a:1 . 1   . .... ... 111100 .......   @vldr_vstr \
85507b6a50SPeter Maydell                 size=0 p=0 w=1
86507b6a50SPeter MaydellVLDR_VSTR        1110110 0 a:1 . 1   . .... ... 111101 .......   @vldr_vstr \
87507b6a50SPeter Maydell                 size=1 p=0 w=1
88507b6a50SPeter MaydellVLDR_VSTR        1110110 0 a:1 . 1   . .... ... 111110 .......   @vldr_vstr \
89507b6a50SPeter Maydell                 size=2 p=0 w=1
90507b6a50SPeter MaydellVLDR_VSTR        1110110 1 a:1 . w:1 . .... ... 111100 .......   @vldr_vstr \
91507b6a50SPeter Maydell                 size=0 p=1
92507b6a50SPeter MaydellVLDR_VSTR        1110110 1 a:1 . w:1 . .... ... 111101 .......   @vldr_vstr \
93507b6a50SPeter Maydell                 size=1 p=1
94507b6a50SPeter MaydellVLDR_VSTR        1110110 1 a:1 . w:1 . .... ... 111110 .......   @vldr_vstr \
95507b6a50SPeter Maydell                 size=2 p=1
960f0f2bd5SPeter Maydell
9768245e44SPeter Maydell# Vector 2-op
9868245e44SPeter MaydellVAND             1110 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
9968245e44SPeter MaydellVBIC             1110 1111 0 . 01 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
10068245e44SPeter MaydellVORR             1110 1111 0 . 10 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
10168245e44SPeter MaydellVORN             1110 1111 0 . 11 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
10268245e44SPeter MaydellVEOR             1111 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
10368245e44SPeter Maydell
1049333fe4dSPeter MaydellVADD             1110 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
1059333fe4dSPeter MaydellVSUB             1111 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
1069333fe4dSPeter MaydellVMUL             1110 1111 0 . .. ... 0 ... 0 1001 . 1 . 1 ... 0 @2op
1079333fe4dSPeter Maydell
108ba62cc56SPeter MaydellVMULH_S          111 0 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
109ba62cc56SPeter MaydellVMULH_U          111 1 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
110ba62cc56SPeter Maydell
111fca87b78SPeter MaydellVRMULH_S         111 0 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op
112fca87b78SPeter MaydellVRMULH_U         111 1 1110 0 . .. ...1 ... 1 1110 . 0 . 0 ... 1 @2op
113fca87b78SPeter Maydell
114cd367ff3SPeter MaydellVMAX_S           111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op
115cd367ff3SPeter MaydellVMAX_U           111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 ... 0 @2op
116cd367ff3SPeter MaydellVMIN_S           111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
117cd367ff3SPeter MaydellVMIN_U           111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
118cd367ff3SPeter Maydell
119bc67aa8dSPeter MaydellVABD_S           111 0 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op
120bc67aa8dSPeter MaydellVABD_U           111 1 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op
121bc67aa8dSPeter Maydell
122abc48e31SPeter MaydellVHADD_S          111 0 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op
123abc48e31SPeter MaydellVHADD_U          111 1 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op
124abc48e31SPeter MaydellVHSUB_S          111 0 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op
125abc48e31SPeter MaydellVHSUB_U          111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op
126abc48e31SPeter Maydell
127ac6ad1dcSPeter MaydellVMULL_BS         111 0 1110 0 . .. ... 1 ... 0 1110 . 0 . 0 ... 0 @2op
128ac6ad1dcSPeter MaydellVMULL_BU         111 1 1110 0 . .. ... 1 ... 0 1110 . 0 . 0 ... 0 @2op
129ac6ad1dcSPeter MaydellVMULL_TS         111 0 1110 0 . .. ... 1 ... 1 1110 . 0 . 0 ... 0 @2op
130ac6ad1dcSPeter MaydellVMULL_TU         111 1 1110 0 . .. ... 1 ... 1 1110 . 0 . 0 ... 0 @2op
131ac6ad1dcSPeter Maydell
132380caf6cSPeter MaydellVQDMULH          1110 1111 0 . .. ... 0 ... 0 1011 . 1 . 0 ... 0 @2op
133380caf6cSPeter MaydellVQRDMULH         1111 1111 0 . .. ... 0 ... 0 1011 . 1 . 0 ... 0 @2op
134380caf6cSPeter Maydell
135f741707bSPeter MaydellVQADD_S          111 0 1111 0 . .. ... 0 ... 0 0000 . 1 . 1 ... 0 @2op
136f741707bSPeter MaydellVQADD_U          111 1 1111 0 . .. ... 0 ... 0 0000 . 1 . 1 ... 0 @2op
137f741707bSPeter MaydellVQSUB_S          111 0 1111 0 . .. ... 0 ... 0 0010 . 1 . 1 ... 0 @2op
138f741707bSPeter MaydellVQSUB_U          111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 1 ... 0 @2op
139f741707bSPeter Maydell
1400372cad8SPeter MaydellVSHL_S           111 0 1111 0 . .. ... 0 ... 0 0100 . 1 . 0 ... 0 @2op_rev
1410372cad8SPeter MaydellVSHL_U           111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 0 ... 0 @2op_rev
1420372cad8SPeter Maydell
143bb002345SPeter MaydellVRSHL_S          111 0 1111 0 . .. ... 0 ... 0 0101 . 1 . 0 ... 0 @2op_rev
144bb002345SPeter MaydellVRSHL_U          111 1 1111 0 . .. ... 0 ... 0 0101 . 1 . 0 ... 0 @2op_rev
145bb002345SPeter Maydell
146483da661SPeter MaydellVQSHL_S          111 0 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev
147483da661SPeter MaydellVQSHL_U          111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev
148483da661SPeter Maydell
1499dc868c4SPeter MaydellVQRSHL_S         111 0 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
1509dc868c4SPeter MaydellVQRSHL_U         111 1 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
1519dc868c4SPeter Maydell
152fd677f80SPeter MaydellVQDMLADH         1110 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @2op
153fd677f80SPeter MaydellVQDMLADHX        1110 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
154fd677f80SPeter MaydellVQRDMLADH        1110 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
155fd677f80SPeter MaydellVQRDMLADHX       1110 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
156fd677f80SPeter Maydell
15792f11732SPeter MaydellVQDMLSDH         1111 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 0 @2op
15892f11732SPeter MaydellVQDMLSDHX        1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 0 @2op
15992f11732SPeter MaydellVQRDMLSDH        1111 1110 0 . .. ... 0 ... 0 1110 . 0 . 0 ... 1 @2op
16092f11732SPeter MaydellVQRDMLSDHX       1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
16192f11732SPeter Maydell
16243364321SPeter MaydellVQDMULLB         111 . 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 1 @2op_sz28
16343364321SPeter MaydellVQDMULLT         111 . 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 1 @2op_sz28
16443364321SPeter Maydell
1651eb987a8SPeter MaydellVRHADD_S         111 0 1111 0 . .. ... 0 ... 0 0001 . 1 . 0 ... 0 @2op
1661eb987a8SPeter MaydellVRHADD_U         111 1 1111 0 . .. ... 0 ... 0 0001 . 1 . 0 ... 0 @2op
1671eb987a8SPeter Maydell
1688625693aSPeter Maydell{
16989bc4c4fSPeter Maydell  VADC           1110 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 0 @2op_nosz
17089bc4c4fSPeter Maydell  VADCI          1110 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 0 @2op_nosz
1718625693aSPeter Maydell  VHCADD90       1110 1110 0 . .. ... 0 ... 0 1111 . 0 . 0 ... 0 @2op
1728625693aSPeter Maydell  VHCADD270      1110 1110 0 . .. ... 0 ... 1 1111 . 0 . 0 ... 0 @2op
1738625693aSPeter Maydell}
17467ec113bSPeter Maydell
17567ec113bSPeter Maydell{
17667ec113bSPeter Maydell  VSBC           1111 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 0 @2op_nosz
17789bc4c4fSPeter Maydell  VSBCI          1111 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 0 @2op_nosz
17867ec113bSPeter Maydell  VCADD90        1111 1110 0 . .. ... 0 ... 0 1111 . 0 . 0 ... 0 @2op
17967ec113bSPeter Maydell  VCADD270       1111 1110 0 . .. ... 0 ... 1 1111 . 0 . 0 ... 0 @2op
18067ec113bSPeter Maydell}
18189bc4c4fSPeter Maydell
1820f0f2bd5SPeter Maydell# Vector miscellaneous
1830f0f2bd5SPeter Maydell
1846437f1f7SPeter MaydellVCLS             1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op
1850f0f2bd5SPeter MaydellVCLZ             1111 1111 1 . 11 .. 00 ... 0 0100 11 . 0 ... 0 @1op
186249b5309SPeter Maydell
187249b5309SPeter MaydellVREV16           1111 1111 1 . 11 .. 00 ... 0 0001 01 . 0 ... 0 @1op
188249b5309SPeter MaydellVREV32           1111 1111 1 . 11 .. 00 ... 0 0000 11 . 0 ... 0 @1op
189249b5309SPeter MaydellVREV64           1111 1111 1 . 11 .. 00 ... 0 0000 01 . 0 ... 0 @1op
1908abd3c80SPeter Maydell
1918abd3c80SPeter MaydellVMVN             1111 1111 1 . 11 00 00 ... 0 0101 11 . 0 ... 0 @1op_nosz
19259c91773SPeter Maydell
19359c91773SPeter MaydellVABS             1111 1111 1 . 11 .. 01 ... 0 0011 01 . 0 ... 0 @1op
19459c91773SPeter MaydellVABS_fp          1111 1111 1 . 11 .. 01 ... 0 0111 01 . 0 ... 0 @1op
195399a8c76SPeter MaydellVNEG             1111 1111 1 . 11 .. 01 ... 0 0011 11 . 0 ... 0 @1op
196399a8c76SPeter MaydellVNEG_fp          1111 1111 1 . 11 .. 01 ... 0 0111 11 . 0 ... 0 @1op
197ab59362fSPeter Maydell
198ab59362fSPeter Maydell&vdup qd rt size
199ab59362fSPeter Maydell# Qd is in the fields usually named Qn
200ab59362fSPeter Maydell@vdup            .... .... . . .. ... . rt:4 .... . . . . .... qd=%qn &vdup
201ab59362fSPeter Maydell
202ab59362fSPeter Maydell# B and E bits encode size, which we decode here to the usual size values
203ab59362fSPeter MaydellVDUP             1110 1110 1 1 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=0
204ab59362fSPeter MaydellVDUP             1110 1110 1 0 10 ... 0 .... 1011 . 0 1 1 0000 @vdup size=1
205ab59362fSPeter MaydellVDUP             1110 1110 1 0 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=2
2061d2386f7SPeter Maydell
2071d2386f7SPeter Maydell# multiply-add long dual accumulate
2081d2386f7SPeter Maydell# rdahi: bits [3:1] from insn, bit 0 is 1
2091d2386f7SPeter Maydell# rdalo: bits [3:1] from insn, bit 0 is 0
2101d2386f7SPeter Maydell%rdahi 20:3 !function=times_2_plus_1
2111d2386f7SPeter Maydell%rdalo 13:3 !function=times_2
2121d2386f7SPeter Maydell# size bit is 0 for 16 bit, 1 for 32 bit
2131d2386f7SPeter Maydell%size_16 16:1 !function=plus_1
2141d2386f7SPeter Maydell
2151d2386f7SPeter Maydell&vmlaldav rdahi rdalo size qn qm x a
2161d2386f7SPeter Maydell
2171d2386f7SPeter Maydell@vmlaldav        .... .... . ... ... . ... . .... .... qm:3 . \
2181d2386f7SPeter Maydell                 qn=%qn rdahi=%rdahi rdalo=%rdalo size=%size_16 &vmlaldav
21938548747SPeter Maydell@vmlaldav_nosz   .... .... . ... ... . ... . .... .... qm:3 . \
22038548747SPeter Maydell                 qn=%qn rdahi=%rdahi rdalo=%rdalo size=0 &vmlaldav
2211d2386f7SPeter MaydellVMLALDAV_S       1110 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav
2221d2386f7SPeter MaydellVMLALDAV_U       1111 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav
223181cd971SPeter Maydell
224181cd971SPeter MaydellVMLSLDAV         1110 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 1 @vmlaldav
22538548747SPeter Maydell
22638548747SPeter MaydellVRMLALDAVH_S     1110 1110 1 ... ... 0 ... x:1 1111 . 0 a:1 0 ... 0 @vmlaldav_nosz
22738548747SPeter MaydellVRMLALDAVH_U     1111 1110 1 ... ... 0 ... x:1 1111 . 0 a:1 0 ... 0 @vmlaldav_nosz
22838548747SPeter Maydell
22938548747SPeter MaydellVRMLSLDAVH       1111 1110 1 ... ... 0 ... x:1 1110 . 0 a:1 0 ... 1 @vmlaldav_nosz
230e51896b3SPeter Maydell
231e51896b3SPeter Maydell# Scalar operations
232e51896b3SPeter Maydell
233e51896b3SPeter MaydellVADD_scalar      1110 1110 0 . .. ... 1 ... 0 1111 . 100 .... @2scalar
23491a358fdSPeter MaydellVSUB_scalar      1110 1110 0 . .. ... 1 ... 1 1111 . 100 .... @2scalar
23591a358fdSPeter MaydellVMUL_scalar      1110 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar
236644f717cSPeter MaydellVHADD_S_scalar   1110 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar
237644f717cSPeter MaydellVHADD_U_scalar   1111 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar
238644f717cSPeter MaydellVHSUB_S_scalar   1110 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar
239644f717cSPeter MaydellVHSUB_U_scalar   1111 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar
24039f2ec85SPeter Maydell
241a8890353SPeter Maydell{
24239f2ec85SPeter Maydell  VQADD_S_scalar  1110  1110 0 . .. ... 0 ... 0 1111 . 110 .... @2scalar
24339f2ec85SPeter Maydell  VQADD_U_scalar  1111  1110 0 . .. ... 0 ... 0 1111 . 110 .... @2scalar
244a8890353SPeter Maydell  VQDMULLB_scalar 111 . 1110 0 . 11 ... 0 ... 0 1111 . 110 .... @2scalar_nosz \
245a8890353SPeter Maydell                  size=%size_28
246a8890353SPeter Maydell}
247a8890353SPeter Maydell
248a8890353SPeter Maydell{
24939f2ec85SPeter Maydell  VQSUB_S_scalar  1110  1110 0 . .. ... 0 ... 1 1111 . 110 .... @2scalar
25039f2ec85SPeter Maydell  VQSUB_U_scalar  1111  1110 0 . .. ... 0 ... 1 1111 . 110 .... @2scalar
251a8890353SPeter Maydell  VQDMULLT_scalar 111 . 1110 0 . 11 ... 0 ... 1 1111 . 110 .... @2scalar_nosz \
252a8890353SPeter Maydell                  size=%size_28
253a8890353SPeter Maydell}
254a8890353SPeter Maydell
255b050543bSPeter MaydellVBRSR            1111 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar
256387debdbSPeter Maydell
25766c05767SPeter MaydellVQDMULH_scalar   1110 1110 0 . .. ... 1 ... 0 1110 . 110 .... @2scalar
25866c05767SPeter MaydellVQRDMULH_scalar  1111 1110 0 . .. ... 1 ... 0 1110 . 110 .... @2scalar
25966c05767SPeter Maydell
2606f060a63SPeter Maydell# Vector add across vector
2616f060a63SPeter MaydellVADDV            111 u:1 1110 1111 size:2 01 ... 0 1111 0 0 a:1 0 qm:3 0 rda=%rdalo
262a8890353SPeter Maydell
263387debdbSPeter Maydell# Predicate operations
264387debdbSPeter Maydell%mask_22_13      22:1 13:3
265387debdbSPeter MaydellVPST             1111 1110 0 . 11 000 1 ... 0 1111 0100 1101 mask=%mask_22_13
266*eab84139SPeter Maydell
267*eab84139SPeter Maydell# Logical immediate operations (1 reg and modified-immediate)
268*eab84139SPeter Maydell
269*eab84139SPeter Maydell# The cmode/op bits here decode VORR/VBIC/VMOV/VMVN, but
270*eab84139SPeter Maydell# not in a way we can conveniently represent in decodetree without
271*eab84139SPeter Maydell# a lot of repetition:
272*eab84139SPeter Maydell# VORR: op=0, (cmode & 1) && cmode < 12
273*eab84139SPeter Maydell# VBIC: op=1, (cmode & 1) && cmode < 12
274*eab84139SPeter Maydell# VMOV: everything else
275*eab84139SPeter Maydell# So we have a single decode line and check the cmode/op in the
276*eab84139SPeter Maydell# trans function.
277*eab84139SPeter MaydellVimm_1r 111 . 1111 1 . 00 0 ... ... 0 .... 0 1 . 1 .... @1imm
278