qemu/target/mips/tcg/tx79.decode
Philippe Mathieu-Daudé 34fe9fa368 target/mips: Rename 'rtype' as 'r'
We'll soon have more opcode and decoded arguments, and 'rtype'
is not very helpful. Naming it simply 'r' ease reviewing the
.decode files when we have many opcodes.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210801234202.3167676-5-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-08-25 13:02:14 +02:00

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# Toshiba C790's instruction set
#
# Copyright (C) 2021 Philippe Mathieu-Daudé
#
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# Toshiba Appendix B C790-Specific Instruction Set Details
###########################################################################
# Named attribute sets. These are used to make nice(er) names
# when creating helpers common to those for the individual
# instruction patterns.
&r rs rt rd sa
&i base rt offset
###########################################################################
# Named instruction formats. These are generally used to
# reduce the amount of duplication between instruction patterns.
@rs_rt_rd ...... rs:5 rt:5 rd:5 ..... ...... &r sa=0
@rt_rd ...... ..... rt:5 rd:5 ..... ...... &r sa=0 rs=0
@rs ...... rs:5 ..... .......... ...... &r sa=0 rt=0 rd=0
@rd ...... .......... rd:5 ..... ...... &r sa=0 rs=0 rt=0
@ldst ...... base:5 rt:5 offset:16 &i
###########################################################################
MFHI1 011100 0000000000 ..... 00000 010000 @rd
MTHI1 011100 ..... 0000000000 00000 010001 @rs
MFLO1 011100 0000000000 ..... 00000 010010 @rd
MTLO1 011100 ..... 0000000000 00000 010011 @rs
# MMI0
PSUBW 011100 ..... ..... ..... 00001 001000 @rs_rt_rd
PCGTW 011100 ..... ..... ..... 00010 001000 @rs_rt_rd
PSUBH 011100 ..... ..... ..... 00101 001000 @rs_rt_rd
PCGTH 011100 ..... ..... ..... 00110 001000 @rs_rt_rd
PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd
PCGTB 011100 ..... ..... ..... 01010 001000 @rs_rt_rd
PEXTLW 011100 ..... ..... ..... 10010 001000 @rs_rt_rd
PPACW 011100 ..... ..... ..... 10011 001000 @rs_rt_rd
PEXTLH 011100 ..... ..... ..... 10110 001000 @rs_rt_rd
PEXTLB 011100 ..... ..... ..... 11010 001000 @rs_rt_rd
# MMI1
PCEQW 011100 ..... ..... ..... 00010 101000 @rs_rt_rd
PCEQH 011100 ..... ..... ..... 00110 101000 @rs_rt_rd
PCEQB 011100 ..... ..... ..... 01010 101000 @rs_rt_rd
PEXTUW 011100 ..... ..... ..... 10010 101000 @rs_rt_rd
# MMI2
PCPYLD 011100 ..... ..... ..... 01110 001001 @rs_rt_rd
PAND 011100 ..... ..... ..... 10010 001001 @rs_rt_rd
PXOR 011100 ..... ..... ..... 10011 001001 @rs_rt_rd
PROT3W 011100 00000 ..... ..... 11111 001001 @rt_rd
# MMI3
PCPYUD 011100 ..... ..... ..... 01110 101001 @rs_rt_rd
POR 011100 ..... ..... ..... 10010 101001 @rs_rt_rd
PNOR 011100 ..... ..... ..... 10011 101001 @rs_rt_rd
PCPYH 011100 00000 ..... ..... 11011 101001 @rt_rd
# SPECIAL
LQ 011110 ..... ..... ................ @ldst
SQ 011111 ..... ..... ................ @ldst