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# AArch64 SME allowed instruction decoding
#
# Copyright (c) 2022 Linaro, Ltd
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
# This file is processed by scripts/decodetree.py
#
# These patterns are taken from Appendix E1.1 of DDI0616 A.a,
# Arm Architecture Reference Manual Supplement,
# The Scalable Matrix Extension (SME), for Armv9-A
{
[
OK 0-00 1110 0000 0001 0010 11-- ---- ---- # SMOV W|Xd,Vn.B[0]
OK 0-00 1110 0000 0010 0010 11-- ---- ---- # SMOV W|Xd,Vn.H[0]
OK 0100 1110 0000 0100 0010 11-- ---- ---- # SMOV Xd,Vn.S[0]
OK 0000 1110 0000 0001 0011 11-- ---- ---- # UMOV Wd,Vn.B[0]
OK 0000 1110 0000 0010 0011 11-- ---- ---- # UMOV Wd,Vn.H[0]
OK 0000 1110 0000 0100 0011 11-- ---- ---- # UMOV Wd,Vn.S[0]
OK 0100 1110 0000 1000 0011 11-- ---- ---- # UMOV Xd,Vn.D[0]
]
FAIL 0--0 111- ---- ---- ---- ---- ---- ---- # Advanced SIMD vector operations
}
{
[
OK 0101 1110 --1- ---- 11-1 11-- ---- ---- # FMULX/FRECPS/FRSQRTS (scalar)
OK 0101 1110 -10- ---- 00-1 11-- ---- ---- # FMULX/FRECPS/FRSQRTS (scalar, FP16)
OK 01-1 1110 1-10 0001 11-1 10-- ---- ---- # FRECPE/FRSQRTE/FRECPX (scalar)
OK 01-1 1110 1111 1001 11-1 10-- ---- ---- # FRECPE/FRSQRTE/FRECPX (scalar, FP16)
]
FAIL 01-1 111- ---- ---- ---- ---- ---- ---- # Advanced SIMD single-element operations
}
FAIL 0-00 110- ---- ---- ---- ---- ---- ---- # Advanced SIMD structure load/store
FAIL 1100 1110 ---- ---- ---- ---- ---- ---- # Advanced SIMD cryptography extensions
FAIL 0001 1110 0111 1110 0000 00-- ---- ---- # FJCVTZS
# These are the "avoidance of doubt" final table of Illegal Advanced SIMD instructions
# We don't actually need to include these, as the default is OK.
# -001 111- ---- ---- ---- ---- ---- ---- # Scalar floating-point operations
# --10 110- ---- ---- ---- ---- ---- ---- # Load/store pair of FP registers
# --01 1100 ---- ---- ---- ---- ---- ---- # Load FP register (PC-relative literal)
# --11 1100 --0- ---- ---- ---- ---- ---- # Load/store FP register (unscaled imm)
# --11 1100 --1- ---- ---- ---- ---- --10 # Load/store FP register (register offset)
# --11 1101 ---- ---- ---- ---- ---- ---- # Load/store FP register (scaled imm)
FAIL 0100 0101 --1- ---- 1--- ---- ---- ---- # SVE2 string/histo/crypto instructions
FAIL 1000 010- -00- ---- 10-- ---- ---- ---- # SVE2 32-bit gather NT load (vector+scalar)
FAIL 1000 010- -00- ---- 111- ---- ---- ---- # SVE 32-bit gather prefetch (vector+imm)
FAIL 1000 0100 0-1- ---- 0--- ---- ---- ---- # SVE 32-bit gather prefetch (scalar+vector)
FAIL 1000 010- -01- ---- 1--- ---- ---- ---- # SVE 32-bit gather load (vector+imm)
FAIL 1000 0100 0-0- ---- 0--- ---- ---- ---- # SVE 32-bit gather load byte (scalar+vector)
FAIL 1000 0100 1--- ---- 0--- ---- ---- ---- # SVE 32-bit gather load half (scalar+vector)
FAIL 1000 0101 0--- ---- 0--- ---- ---- ---- # SVE 32-bit gather load word (scalar+vector)
FAIL 1010 010- ---- ---- 011- ---- ---- ---- # SVE contiguous FF load (scalar+scalar)
FAIL 1010 010- ---1 ---- 101- ---- ---- ---- # SVE contiguous NF load (scalar+imm)
FAIL 1010 010- -01- ---- 000- ---- ---- ---- # SVE load & replicate 32 bytes (scalar+scalar)
FAIL 1010 010- -010 ---- 001- ---- ---- ---- # SVE load & replicate 32 bytes (scalar+imm)
FAIL 1100 010- ---- ---- ---- ---- ---- ---- # SVE 64-bit gather load/prefetch
FAIL 1110 010- -00- ---- 001- ---- ---- ---- # SVE2 64-bit scatter NT store (vector+scalar)
FAIL 1110 010- -10- ---- 001- ---- ---- ---- # SVE2 32-bit scatter NT store (vector+scalar)
FAIL 1110 010- ---- ---- 1-0- ---- ---- ---- # SVE scatter store (scalar+32-bit vector)
FAIL 1110 010- ---- ---- 101- ---- ---- ---- # SVE scatter store (misc)
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