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| author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-07 00:12:04 +0100 |
|---|---|---|
| committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-07 00:12:04 +0100 |
| commit | cf8c2cfcfc3477fa5434f041c38ef025844c5f60 (patch) | |
| tree | e14ce73d1ed02c2013684e5c463bff9d385bdcd2 /qtmips_machine | |
| parent | b232bb867c1ac8cb7369190e8cd4f9f7af425cd1 (diff) | |
| download | qtmips-cf8c2cfcfc3477fa5434f041c38ef025844c5f60.tar.gz qtmips-cf8c2cfcfc3477fa5434f041c38ef025844c5f60.tar.bz2 qtmips-cf8c2cfcfc3477fa5434f041c38ef025844c5f60.zip | |
Correct BLTZAL and BGEZAL execution to pass unmodified value to R31.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_machine')
| -rw-r--r-- | qtmips_machine/instruction.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp index 9eae5f3..8aea469 100644 --- a/qtmips_machine/instruction.cpp +++ b/qtmips_machine/instruction.cpp @@ -100,7 +100,7 @@ static const struct InstructionMap alu_instruction_map[] = { .flags = FLAGS_ALU_T_R_STD_SHV}, {"JR", IT_R, ALU_OP_JR, NOMEM, nullptr, .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_JUMP}, - {"JALR", IT_R, ALU_OP_JALR, NOMEM, nullptr, + {"JALR", IT_R, ALU_OP_PASS_T, NOMEM, nullptr, .flags = IMF_SUPPORTED | IMF_REGD | IMF_REGWRITE | IMF_BJR_REQ_RS | IMF_PC8_TO_RT | IMF_JUMP}, {"MOVZ", IT_R, ALU_OP_MOVZ, NOMEM, nullptr, .flags = FLAGS_ALU_T_R_STD}, @@ -187,9 +187,9 @@ static const struct InstructionMap regimm_instruction_map[] = { {"TNEI", IT_I, NOALU, NOMEM, nullptr, // TNEI .flags = IMF_BJR_REQ_RS}, IM_UNKNOWN, - {"BLTZAL", IT_I, NOALU, NOMEM, nullptr, // BLTZAL + {"BLTZAL", IT_I, ALU_OP_PASS_T, NOMEM, nullptr, // BLTZAL .flags = FLAGS_J_B_PC_TO_R31 | IMF_BJR_REQ_RS | IMF_BRANCH}, - {"BGEZAL", IT_I, NOALU, NOMEM, nullptr, // BGEZAL + {"BGEZAL", IT_I, ALU_OP_PASS_T, NOMEM, nullptr, // BGEZAL .flags = FLAGS_J_B_PC_TO_R31 | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_BJ_NOT}, {"BLTZALL", IT_I, NOALU, NOMEM, nullptr, // BLTZALL .flags = IMF_BJR_REQ_RS}, |