cmov

2022-02-05 17:58:12 -05:00
parent d297351211
commit 1bd25acb0b
2 changed files with 13 additions and 25 deletions
--- a/sim/simx/decode.cpp
+++ b/sim/simx/decode.cpp
@@ -502,6 +502,13 @@ std::shared_ptr<Instr> Decoder::decode(uint32_t code) const {
    instr->setFunc7(func7);
    switch (op) {
    case Opcode::SYS_INST:
+      if (func3 != 0) {
+        // RV32I: CSR*
+        instr->setDestReg(rd, RegType::Integer);
+      }
+      // uint12
+      instr->setImm(code >> shift_rs2);
+      break;
    case Opcode::FENCE:
      // uint12
      instr->setImm(code >> shift_rs2);