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| author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-08 14:41:41 +0100 |
|---|---|---|
| committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-08 14:41:41 +0100 |
| commit | 38674515b1629865be6aa271dbbcad1a8cc306a8 (patch) | |
| tree | 0948a94d26342a7d50c6f670dbadba33add3ff73 /qtmips_machine/instruction.cpp | |
| parent | bd11856c5915ef52ca3325a27fca07049ab2215a (diff) | |
| download | qtmips-38674515b1629865be6aa271dbbcad1a8cc306a8.tar.gz qtmips-38674515b1629865be6aa271dbbcad1a8cc306a8.tar.bz2 qtmips-38674515b1629865be6aa271dbbcad1a8cc306a8.zip | |
Implement even deprecated BEQL, BNEL, BLEZL, BGTZL, BLTZL, BGEZL, BLTZALL, BGEZALL.
GCC generates these opcodes for default compilation mode.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_machine/instruction.cpp')
| -rw-r--r-- | qtmips_machine/instruction.cpp | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp index d72dc7d..3fb8839 100644 --- a/qtmips_machine/instruction.cpp +++ b/qtmips_machine/instruction.cpp @@ -235,9 +235,9 @@ static const struct InstructionMap regimm_instruction_map[] = { {"BGEZ", IT_I, NOALU, NOMEM, nullptr, // BGEZ .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_BJ_NOT}, {"BLTZL", IT_I, NOALU, NOMEM, nullptr, // BLTZL - .flags = IMF_BJR_REQ_RS}, + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS}, {"BGEZL", IT_I, NOALU, NOMEM, nullptr, // BGEZL - .flags = IMF_BJR_REQ_RS | IMF_BJ_NOT}, + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS | IMF_BJ_NOT}, IM_UNKNOWN, IM_UNKNOWN, IM_UNKNOWN, @@ -256,14 +256,14 @@ static const struct InstructionMap regimm_instruction_map[] = { {"TNEI", IT_I, NOALU, NOMEM, nullptr, // TNEI .flags = IMF_BJR_REQ_RS}, IM_UNKNOWN, - {"BLTZAL", IT_I, ALU_OP_PASS_T, 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, ALU_OP_PASS_T, 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}, - {"BGEZALL", IT_I, NOALU, NOMEM, nullptr, // BGEZALL - .flags = IMF_BJR_REQ_RS | IMF_BJ_NOT}, + {"BLTZALL", IT_I, ALU_OP_PASS_T, NOMEM, nullptr, // BLTZALL + .flags = FLAGS_J_B_PC_TO_R31 | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS }, + {"BGEZALL", IT_I, ALU_OP_PASS_T, NOMEM, nullptr, // BGEZALL + .flags = FLAGS_J_B_PC_TO_R31 | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS | IMF_BJ_NOT}, IM_UNKNOWN, IM_UNKNOWN, IM_UNKNOWN, @@ -319,10 +319,14 @@ static const struct InstructionMap instruction_map[] = { IM_UNKNOWN, // 17 IM_UNKNOWN, // 18 IM_UNKNOWN, // 19 - IM_UNKNOWN, // 20 - IM_UNKNOWN, // 21 - IM_UNKNOWN, // 22 - IM_UNKNOWN, // 23 + {"BEQL", IT_I, NOALU, NOMEM, nullptr, // BEQL + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BJR_REQ_RT | IMF_BRANCH | IMF_NB_SKIP_DS}, + {"BNEL", IT_I, NOALU, NOMEM, nullptr, // BNEL + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BJR_REQ_RT | IMF_BRANCH | IMF_NB_SKIP_DS | IMF_BJ_NOT}, + {"BLEZL", IT_I, NOALU, NOMEM, nullptr, // BLEZL + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS | IMF_BGTZ_BLEZ}, + {"BGTZL", IT_I, NOALU, NOMEM, nullptr, // BGTZL + .flags = IMF_SUPPORTED | IMF_BJR_REQ_RS | IMF_BRANCH | IMF_NB_SKIP_DS | IMF_BGTZ_BLEZ | IMF_BJ_NOT}, IM_UNKNOWN, // 24 IM_UNKNOWN, // 25 IM_UNKNOWN, // 26 |