#
# Power ISA decode for 32-bit insns (opcode space 0)
#
# Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
#
# 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/>.
#

&D              rt ra si:int64_t
@D              ...... rt:5 ra:5 si:s16                 &D

%ds_si          2:s14  !function=times_4
@DS             ...... rt:5 ra:5 .............. ..      &D si=%ds_si

&X              rt ra rb
@X              ...... rt:5 ra:5 rb:5 .......... .      &X

### Fixed-Point Load Instructions

LBZ             100010 ..... ..... ................     @D
LBZU            100011 ..... ..... ................     @D
LBZX            011111 ..... ..... ..... 0001010111 -   @X
LBZUX           011111 ..... ..... ..... 0001110111 -   @X

LHZ             101000 ..... ..... ................     @D
LHZU            101001 ..... ..... ................     @D
LHZX            011111 ..... ..... ..... 0100010111 -   @X
LHZUX           011111 ..... ..... ..... 0100110111 -   @X

LHA             101010 ..... ..... ................     @D
LHAU            101011 ..... ..... ................     @D
LHAX            011111 ..... ..... ..... 0101010111 -   @X
LHAXU           011111 ..... ..... ..... 0101110111 -   @X

LWZ             100000 ..... ..... ................     @D
LWZU            100001 ..... ..... ................     @D
LWZX            011111 ..... ..... ..... 0000010111 -   @X
LWZUX           011111 ..... ..... ..... 0000110111 -   @X

LWA             111010 ..... ..... ..............10     @DS
LWAX            011111 ..... ..... ..... 0101010101 -   @X
LWAUX           011111 ..... ..... ..... 0101110101 -   @X

LD              111010 ..... ..... ..............00     @DS
LDU             111010 ..... ..... ..............01     @DS
LDX             011111 ..... ..... ..... 0000010101 -   @X
LDUX            011111 ..... ..... ..... 0000110101 -   @X

### Fixed-Point Arithmetic Instructions

ADDI            001110 ..... ..... ................     @D
ADDIS           001111 ..... ..... ................     @D