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| author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-15 21:46:45 +0100 |
|---|---|---|
| committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-15 21:46:45 +0100 |
| commit | 10fa419862f57ab46290e34779404845bdcefee8 (patch) | |
| tree | 091cc2feb907dd71db0e1d3eaf9e4a4697fd0e0c /qtmips_machine/instruction.cpp | |
| parent | eb217996098ffb5706cfe0ca8ffa4478b73ceb8e (diff) | |
| download | qtmips-10fa419862f57ab46290e34779404845bdcefee8.tar.gz qtmips-10fa419862f57ab46290e34779404845bdcefee8.tar.bz2 qtmips-10fa419862f57ab46290e34779404845bdcefee8.zip | |
Multiply and accumulate and CLZ/CLO operations added.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_machine/instruction.cpp')
| -rw-r--r-- | qtmips_machine/instruction.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp index b26cc9b..68956b6 100644 --- a/qtmips_machine/instruction.cpp +++ b/qtmips_machine/instruction.cpp @@ -184,13 +184,17 @@ static const struct InstructionMap alu_instruction_map[] = { }; static const struct InstructionMap special2_instruction_map[] = { - IM_UNKNOWN, // 0 - IM_UNKNOWN, // 1 - {"MUL", IT_R, ALU_OP_MUL, NOMEM, nullptr, + {"MADD", IT_R, ALU_OP_MADD, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_ST | IMF_READ_HILO | IMF_WRITE_HILO}, + {"MADD", IT_R, ALU_OP_MADDU, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_ST | IMF_READ_HILO | IMF_WRITE_HILO}, + {"MUL", IT_R, ALU_OP_MUL, NOMEM, nullptr, .flags = FLAGS_ALU_T_R_STD}, // 32 IM_UNKNOWN, // 3 - IM_UNKNOWN, // 4 - IM_UNKNOWN, // 5 + {"MSUB", IT_R, ALU_OP_MSUB, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_ST | IMF_READ_HILO | IMF_WRITE_HILO}, + {"MSUBU", IT_R, ALU_OP_MSUBU, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_ST | IMF_READ_HILO | IMF_WRITE_HILO}, IM_UNKNOWN, // 6 IM_UNKNOWN, // 7 IM_UNKNOWN, // 8 @@ -217,8 +221,10 @@ static const struct InstructionMap special2_instruction_map[] = { IM_UNKNOWN, // 29 IM_UNKNOWN, // 30 IM_UNKNOWN, // 31 - IM_UNKNOWN, // 32 - IM_UNKNOWN, // 33 + {"CLZ", IT_R, ALU_OP_CLZ, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_SD}, + {"CLO", IT_R, ALU_OP_CLO, NOMEM, nullptr, + .flags = FLAGS_ALU_T_R_SD}, IM_UNKNOWN, // 34 IM_UNKNOWN, // 35 IM_UNKNOWN, // 36 |