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| author | Fabiano Rosas <farosas@suse.de> | 2023-02-17 17:11:29 -0300 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-02-27 13:27:04 +0000 |
| commit | f0984d4040c328d1c021ae6680479cbbe13c485b (patch) | |
| tree | 96d3b38a11fe7dc6ba19c24e47f06f48eb0cb8e5 /target/arm/tcg/neon-ls.decode | |
| parent | 2059ec754f9040a6a9f62a9abfeb76a9d8655e11 (diff) | |
| download | qemu-f0984d4040c328d1c021ae6680479cbbe13c485b.zip qemu-f0984d4040c328d1c021ae6680479cbbe13c485b.tar.gz qemu-f0984d4040c328d1c021ae6680479cbbe13c485b.tar.bz2 | |
target/arm: move translate modules to tcg/
Introduce the target/arm/tcg directory. Its purpose is to hold the TCG
code that is selected by CONFIG_TCG.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/tcg/neon-ls.decode')
| -rw-r--r-- | target/arm/tcg/neon-ls.decode | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/arm/tcg/neon-ls.decode b/target/arm/tcg/neon-ls.decode new file mode 100644 index 0000000..c5f364c --- /dev/null +++ b/target/arm/tcg/neon-ls.decode @@ -0,0 +1,52 @@ +# AArch32 Neon load/store 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 load/store instructions where the T32 encoding +# is a simple transformation of the A32 encoding. +# More specifically, this file covers instructions where the A32 encoding is +# 0b1111_0100_xxx0_xxxx_xxxx_xxxx_xxxx_xxxx +# and the T32 encoding is +# 0b1111_1001_xxx0_xxxx_xxxx_xxxx_xxxx_xxxx +# This file works on the A32 encoding only; calling code for T32 has to +# transform the insn into the A32 version first. + +%vd_dp 22:1 12:4 + +# Neon load/store multiple structures + +VLDST_multiple 1111 0100 0 . l:1 0 rn:4 .... itype:4 size:2 align:2 rm:4 \ + vd=%vd_dp + +# Neon load single element to all lanes + +VLD_all_lanes 1111 0100 1 . 1 0 rn:4 .... 11 n:2 size:2 t:1 a:1 rm:4 \ + vd=%vd_dp + +# Neon load/store single structure to one lane +%imm1_5_p1 5:1 !function=plus_1 +%imm1_6_p1 6:1 !function=plus_1 + +VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 00 n:2 reg_idx:3 align:1 rm:4 \ + vd=%vd_dp size=0 stride=1 +VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 01 n:2 reg_idx:2 . align:1 rm:4 \ + vd=%vd_dp size=1 stride=%imm1_5_p1 +VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 10 n:2 reg_idx:1 . align:2 rm:4 \ + vd=%vd_dp size=2 stride=%imm1_6_p1 |