mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
8fe612a183
The Neon and SVE decoders use private 'plus1' functions to implement "add one" for the !function decoder syntax. We have a generic "plus_1" function in translate.h, so use that instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210715095341.701-1-peter.maydell@linaro.org
99 lines
4 KiB
Text
99 lines
4 KiB
Text
# AArch32 Neon instruction descriptions
|
|
#
|
|
# Copyright (c) 2020 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
|
|
#
|
|
|
|
# Encodings for Neon instructions whose encoding is the same for
|
|
# both A32 and T32.
|
|
|
|
# More specifically, this covers:
|
|
# 2reg scalar ext: 0b1111_1110_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
|
|
# 3same ext: 0b1111_110x_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
|
|
|
|
# VFP/Neon register fields; same as vfp.decode
|
|
%vm_dp 5:1 0:4
|
|
%vm_sp 0:4 5:1
|
|
%vn_dp 7:1 16:4
|
|
%vn_sp 16:4 7:1
|
|
%vd_dp 22:1 12:4
|
|
%vd_sp 12:4 22:1
|
|
|
|
# For VCMLA/VCADD insns, convert the single-bit size field
|
|
# which is 0 for fp16 and 1 for fp32 into a MO_* constant.
|
|
# (Note that this is the reverse of the sense of the 1-bit size
|
|
# field in the 3same_fp Neon insns.)
|
|
%vcadd_size 20:1 !function=plus_1
|
|
|
|
VCMLA 1111 110 rot:2 . 1 . .... .... 1000 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
|
|
|
|
VCADD 1111 110 rot:1 1 . 0 . .... .... 1000 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
|
|
|
|
VSDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VUDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 1 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VUSDOT 1111 110 01 . 10 .... .... 1101 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VDOT_b16 1111 110 00 . 00 .... .... 1101 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
|
|
# VFM[AS]L
|
|
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
|
|
vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
|
|
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
|
|
|
|
VSMMLA 1111 1100 0.10 .... .... 1100 .1.0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VUMMLA 1111 1100 0.10 .... .... 1100 .1.1 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VUSMMLA 1111 1100 1.10 .... .... 1100 .1.0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
VMMLA_b16 1111 1100 0.00 .... .... 1100 .1.0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
|
|
VFMA_b16 1111 110 0 0.11 .... .... 1000 . q:1 . 1 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp
|
|
|
|
VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp size=1
|
|
VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
|
|
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=2 index=0
|
|
|
|
VSDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 0 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp
|
|
VUDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 1 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp
|
|
VUSDOT_scalar 1111 1110 1 . 00 .... .... 1101 . q:1 index:1 0 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp
|
|
VSUDOT_scalar 1111 1110 1 . 00 .... .... 1101 . q:1 index:1 1 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp
|
|
VDOT_b16_scal 1111 1110 0 . 00 .... .... 1101 . q:1 index:1 0 vm:4 \
|
|
vn=%vn_dp vd=%vd_dp
|
|
|
|
%vfml_scalar_q0_rm 0:3 5:1
|
|
%vfml_scalar_q1_index 5:1 3:1
|
|
VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 0 . 1 index:1 ... \
|
|
rm=%vfml_scalar_q0_rm vn=%vn_sp vd=%vd_dp q=0
|
|
VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 1 . 1 . rm:3 \
|
|
index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp q=1
|
|
VFMA_b16_scal 1111 1110 0.11 .... .... 1000 . q:1 . 1 . vm:3 \
|
|
index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp
|