include/interfaces/STARSTypes.h

@@ -120,6 +120,7 @@ struct SMP_bounds_t {
 
 struct SwitchTableInfo {  // info about a switch table
 	STARS_ea_t DefaultJumpAddr; // address of jump to default case; precedes indirect jump; STARS_BADADDR if no default
+		// NOTE: Weakness of IDA Pro is that it does not consider that there might be more than one branch to the default case.
 	int DefaultCaseBlockNum; // block number of default case, which is the target of the default jump; could also be in CaseBlockNums
 	int IndirJumpBlockNum; // block number with the INDIR_JUMP at the end
 	int IDomBlockNum; // Block that is the immediate dominator of all blocks in the switch statement
@@ -2434,6 +2435,46 @@ enum
 	STARS_NN_endbr64,              // Terminate an Indirect Branch in 64-bit Mode
 	STARS_NN_endbr32,              // Terminate an Indirect Branch in 32-bit and Compatibility Mode
 
+	// Undefined Instruction
+
+	STARS_NN_ud0,                 // Undefined Instruction
+	STARS_NN_ud1,                 // Undefined Instruction
+
+	// Enqueue Stores
+
+	STARS_NN_enqcmd,              // Enqueue Command
+	STARS_NN_enqcmds,             // Enqueue Command Supervisor
+
+	// AMD Zen2
+
+	STARS_NN_mcommit,             // Commit Stores to Memory
+	STARS_NN_rdpru,               // Read Processor Register
+
+	// Intel Tremont instructions
+
+	STARS_NN_cldemote,            // Cache Line Demote
+	STARS_NN_enclv,               // Execute an Enclave VMM Function of Specified Leaf Number
+
+	// Direct Stores
+
+	STARS_NN_movdiri,             // Move Doubleword as Direct Store
+	STARS_NN_movdir64b,           // Move 64 Bytes as Direct Store
+
+	// Intel WAITPKG instructions
+
+	STARS_NN_tpause,              // Timed PAUSE
+	STARS_NN_umonitor,            // User Level Set Up Monitor Address
+	STARS_NN_umwait,              // User Level Monitor Wait
+
+	// Intel Sapphire Rapids instructions
+
+	STARS_NN_serialize,           // Serialize Instruction Execution
+
+	// Intel TSX
+
+	STARS_NN_xresldtrk,           // Resume Tracking Load Addresses
+	STARS_NN_xsusldtrk,           // Suspend Tracking Load Addresses
+
 	STARS_NN_last,
 
 

src/base/SMPInstr.cpp

@@ -26307,8 +26307,8 @@ bool SMPInstr::BuildX86RTL(void)
 			return this->BuildBinary3OpndRTL(SMP_COMPARE_GT_AND_SET);
 			break;
-		case STARS_NN_vcmptruess:           // Scalar Single-FP Compare - True (unordered: non-signaling)
-			return true;
+		case STARS_NN_vcmptruess:           // Pseudo-op: Scalar Single-FP Compare - True (unordered: non-signaling)
+			return false;
 			break;
 		case STARS_NN_vcmpeq_osss:          // Scalar Single-FP Compare - Equal (ordered: signaling)
@@ -26931,8 +26931,56 @@ bool SMPInstr::BuildX86RTL(void)
 			return false;
 			break;
+		// Undefined Instruction
+
+		case STARS_NN_ud0:                 // Undefined Instruction
+		case STARS_NN_ud1:                 // Undefined Instruction
+			NopRT = new SMPRegTransfer;
+			NopRT->SetParentInst(this);
+			NopRT->SetOperator(SMP_NULL_OPERATOR);
+			this->RTL.push_back(NopRT);
+			NopRT = nullptr;
+			return true;
+
+		// Enqueue Stores
+
+		case STARS_NN_enqcmd:              // Enqueue Command
+		case STARS_NN_enqcmds:             // Enqueue Command Supervisor
+
+		// AMD Zen2
+
+		case STARS_NN_mcommit:             // Commit Stores to Memory
+		case STARS_NN_rdpru:               // Read Processor Register
+
+		// Intel Tremont instructions
+
+		case STARS_NN_cldemote:            // Cache Line Demote
+		case STARS_NN_enclv:               // Execute an Enclave VMM Function of Specified Leaf Number
+
+		// Direct Stores
+
+		case STARS_NN_movdiri:             // Move Doubleword as Direct Store
+		case STARS_NN_movdir64b:           // Move 64 Bytes as Direct Store
+
+		// Intel WAITPKG instructions
+
+		case STARS_NN_tpause:              // Timed PAUSE
+		case STARS_NN_umonitor:            // User Level Set Up Monitor Address
+		case STARS_NN_umwait:              // User Level Monitor Wait
+
+		// Intel Sapphire Rapids instructions
+
+		case STARS_NN_serialize:           // Serialize Instruction Execution
+
+		// Intel TSX
+
+		case STARS_NN_xresldtrk:           // Resume Tracking Load Addresses
+		case STARS_NN_xsusldtrk:           // Suspend Tracking Load Addresses
+			return false;
+			break;
+
 		default:
-			SMP_msg("ERROR: Unknown instruction opcode at %llx : %s\n", (unsigned long long) this->GetAddr(),
+			SMP_msg("ERROR: Unknown instruction opcode at %llx : %s\n", (uint64_t) this->GetAddr(),
 				DisAsmText.GetDisAsm(this->GetAddr()));
 			return false;
 			break;