qemu/target/mips/msa32.decode

# MIPS SIMD Architecture Module instruction set
#
# Copyright (C) 2020  Philippe Mathieu-Daudé
#
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# Reference:
#       MIPS Architecture for Programmers Volume IV-j
#       The MIPS32 SIMD Architecture Module, Revision 1.12
#       (Document Number: MD00866-2B-MSA32-AFP-01.12)
#

&rtype              rs rt rd sa

&msa_bz             df wt s16

@lsa                ...... rs:5 rt:5 rd:5 ... sa:2 ......   &rtype
@bz                 ...... ... ..   wt:5 s16:16             &msa_bz df=3
@bz_df              ...... ... df:2 wt:5 s16:16             &msa_bz

LSA                 000000 ..... ..... ..... 000 .. 000101  @lsa

BZ_V                010001 01011  ..... ................    @bz
BNZ_V               010001 01111  ..... ................    @bz

BZ_x                010001 110 .. ..... ................    @bz_df
BNZ_x               010001 111 .. ..... ................    @bz_df

MSA                 011110 --------------------------
target/mips: Introduce decode tree bindings for MSA ASE Introduce the 'msa32' decodetree config for the 32-bit MSA ASE. We start by decoding: - the branch instructions, - all instructions based on the MSA opcode. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-20-f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> 2020-11-30 05:24:40 +08:00			`# MIPS SIMD Architecture Module instruction set`
			`#`
			`# Copyright (C) 2020 Philippe Mathieu-Daudé`
			`#`
			`# SPDX-License-Identifier: LGPL-2.1-or-later`
			`#`
			`# Reference:`
			`# MIPS Architecture for Programmers Volume IV-j`
			`# The MIPS32 SIMD Architecture Module, Revision 1.12`
			`# (Document Number: MD00866-2B-MSA32-AFP-01.12)`
			`#`

target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes Add the LSA opcode to the MSA32 decodetree config, add DLSA to a new config for the MSA64 ASE, and call decode_msa64() in the main decode_opc() loop. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-23-f4bug@amsat.org> 2020-12-09 01:59:36 +08:00			`&rtype rs rt rd sa`

target/mips: Introduce decode tree bindings for MSA ASE Introduce the 'msa32' decodetree config for the 32-bit MSA ASE. We start by decoding: - the branch instructions, - all instructions based on the MSA opcode. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-20-f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> 2020-11-30 05:24:40 +08:00			`&msa_bz df wt s16`

target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes Add the LSA opcode to the MSA32 decodetree config, add DLSA to a new config for the MSA64 ASE, and call decode_msa64() in the main decode_opc() loop. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-23-f4bug@amsat.org> 2020-12-09 01:59:36 +08:00			`@lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &rtype`
target/mips: Introduce decode tree bindings for MSA ASE Introduce the 'msa32' decodetree config for the 32-bit MSA ASE. We start by decoding: - the branch instructions, - all instructions based on the MSA opcode. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-20-f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> 2020-11-30 05:24:40 +08:00			`@bz ...... ... .. wt:5 s16:16 &msa_bz df=3`
			`@bz_df ...... ... df:2 wt:5 s16:16 &msa_bz`

target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes Add the LSA opcode to the MSA32 decodetree config, add DLSA to a new config for the MSA64 ASE, and call decode_msa64() in the main decode_opc() loop. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-23-f4bug@amsat.org> 2020-12-09 01:59:36 +08:00			`LSA 000000 ..... ..... ..... 000 .. 000101 @lsa`

target/mips: Introduce decode tree bindings for MSA ASE Introduce the 'msa32' decodetree config for the 32-bit MSA ASE. We start by decoding: - the branch instructions, - all instructions based on the MSA opcode. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-20-f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> 2020-11-30 05:24:40 +08:00			`BZ_V 010001 01011 ..... ................ @bz`
			`BNZ_V 010001 01111 ..... ................ @bz`

			`BZ_x 010001 110 .. ..... ................ @bz_df`
			`BNZ_x 010001 111 .. ..... ................ @bz_df`

			`MSA 011110 --------------------------`