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SMPInstr.cpp 135 KiB
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		case NN_out:                 // Output to Port
			return this->BuildBinaryRTL(SMP_OUTPUT);

		case NN_outs:                // Output Byte(s) to Port
			return false;
			break;

		case NN_pop:                 // Pop a word from the Stack
		case NN_popaw:               // Pop all General Registers
		case NN_popa:                // Pop all General Registers
		case NN_popad:               // Pop all General Registers (use32)
		case NN_popaq:               // Pop all General Registers (use64)
		case NN_popfw:               // Pop Stack into Flags Register
		case NN_popf:                // Pop Stack into Flags Register
		case NN_popfd:               // Pop Stack into Eflags Register
		case NN_popfq:               // Pop Stack into Rflags Register
			return this->BuildPopRTL();

		case NN_push:                // Push Operand onto the Stack
		case NN_pushaw:              // Push all General Registers
		case NN_pusha:               // Push all General Registers
		case NN_pushad:              // Push all General Registers (use32)
		case NN_pushaq:              // Push all General Registers (use64)
		case NN_pushfw:              // Push Flags Register onto the Stack
		case NN_pushf:               // Push Flags Register onto the Stack
		case NN_pushfd:              // Push Flags Register onto the Stack (use32)
		case NN_pushfq:              // Push Flags Register onto the Stack (use64)
			return this->BuildPushRTL();

		case NN_rcl:                 // Rotate Through Carry Left
			return this->BuildBinaryPlusFlagsRTL(SMP_ROTATE_LEFT_CARRY);

		case NN_rcr:                 // Rotate Through Carry Right
			return this->BuildBinaryPlusFlagsRTL(SMP_ROTATE_RIGHT_CARRY);

		case NN_rol:                 // Rotate Left
			return this->BuildBinaryRTL(SMP_ROTATE_LEFT);

		case NN_ror:                 // Rotate Right
			return this->BuildBinaryRTL(SMP_ROTATE_RIGHT);

		case NN_rep:                 // Repeat String Operation
		case NN_repe:                // Repeat String Operation while ZF=1
		case NN_repne:               // Repeat String Operation while ZF=0
			return false;
			break;

		case NN_retn:                // Return Near from Procedure
		case NN_retf:                // Return Far from Procedure
			return this->BuildReturnRTL();

		case NN_sahf:                // Store AH into Flags Register
			return this->BuildMoveRTL(SMP_NULL_OPERATOR);

		case NN_sal:                 // Shift Arithmetic Left
			return this->BuildBinaryRTL(SMP_S_LEFT_SHIFT);

		case NN_sar:                 // Shift Arithmetic Right
			return this->BuildBinaryRTL(SMP_S_RIGHT_SHIFT);

		case NN_shl:                 // Shift Logical Left
			return this->BuildBinaryRTL(SMP_U_LEFT_SHIFT);

		case NN_shr:                 // Shift Logical Right
			return this->BuildBinaryRTL(SMP_U_RIGHT_SHIFT);

		case NN_sbb:                 // Integer Subtraction with Borrow
			return this->BuildBinaryPlusFlagsRTL(SMP_SUBTRACT_BORROW);

		case NN_scas:                // Compare String
			return this->BuildBinaryPlusFlagsRTL(SMP_U_COMPARE);

		case NN_seta:                // Set Byte if Above (CF=0 & ZF=0)
		case NN_setae:               // Set Byte if Above or Equal (CF=0)
		case NN_setb:                // Set Byte if Below (CF=1)
		case NN_setbe:               // Set Byte if Below or Equal (CF=1 | ZF=1)
		case NN_setc:                // Set Byte if Carry (CF=1)
		case NN_sete:                // Set Byte if Equal (ZF=1)
		case NN_setg:                // Set Byte if Greater (ZF=0 & SF=OF)
		case NN_setge:               // Set Byte if Greater or Equal (SF=OF)
		case NN_setl:                // Set Byte if Less (SF!=OF)
		case NN_setle:               // Set Byte if Less or Equal (ZF=1 | SF!=OF)
		case NN_setna:               // Set Byte if Not Above (CF=1 | ZF=1)
		case NN_setnae:              // Set Byte if Not Above or Equal (CF=1)
		case NN_setnb:               // Set Byte if Not Below (CF=0)
		case NN_setnbe:              // Set Byte if Not Below or Equal (CF=0 & ZF=0)
		case NN_setnc:               // Set Byte if Not Carry (CF=0)
		case NN_setne:               // Set Byte if Not Equal (ZF=0)
		case NN_setng:               // Set Byte if Not Greater (ZF=1 | SF!=OF)
		case NN_setnge:              // Set Byte if Not Greater or Equal (ZF=1)
		case NN_setnl:               // Set Byte if Not Less (SF=OF)
		case NN_setnle:              // Set Byte if Not Less or Equal (ZF=0 & SF=OF)
		case NN_setno:               // Set Byte if Not Overflow (OF=0)
		case NN_setnp:               // Set Byte if Not Parity (PF=0)
		case NN_setns:               // Set Byte if Not Sign (SF=0)
		case NN_setnz:               // Set Byte if Not Zero (ZF=0)
		case NN_seto:                // Set Byte if Overflow (OF=1)
		case NN_setp:                // Set Byte if Parity (PF=1)
		case NN_setpe:               // Set Byte if Parity Even (PF=1)
		case NN_setpo:               // Set Byte if Parity Odd  (PF=0)
		case NN_sets:                // Set Byte if Sign (SF=1)
		case NN_setz:                // Set Byte if Zero (ZF=1)
			// Destination always get set to NUMERIC 0 or 1, depending on
			//  the condition and the relevant flags bits. Best way to model
			//  this in an RTL is to perform an unspecified unary NUMERIC
			//  operation on the flags register and assign the result to the
			//  destination operand, making it always NUMERIC.
			return this->BuildUnary2OpndRTL(SMP_UNARY_NUMERIC_OPERATION);

		case NN_sgdt:                // Store Global Descriptor Table Register
		case NN_sidt:                // Store Interrupt Descriptor Table Register
			return false;
			break;

		case NN_shld:                // Double Precision Shift Left
			return this->BuildDoubleShiftRTL(SMP_U_LEFT_SHIFT);

		case NN_shrd:                // Double Precision Shift Right
			return this->BuildDoubleShiftRTL(SMP_U_RIGHT_SHIFT);

		case NN_sldt:                // Store Local Descriptor Table Register
		case NN_smsw:                // Store Machine Status Word
			return false;
			break;

		case NN_stc:                 // Set Carry Flag
		case NN_std:                 // Set Direction Flag
			return this->BuildUnaryRTL(SMP_UNARY_NUMERIC_OPERATION);

		case NN_sti:                 // Set Interrupt Flag
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;

		case NN_stos:                // Store String
			return this->BuildMoveRTL(SMP_NULL_OPERATOR);

		case NN_str:                 // Store Task Register
			return false;
			break;

		case NN_sub:                 // Integer Subtraction
			return this->BuildBinaryRTL(SMP_SUBTRACT);

		case NN_test:                // Logical Compare
			return this->BuildFlagsDestBinaryRTL(SMP_U_COMPARE);

		case NN_verr:                // Verify a Segment for Reading
		case NN_verw:                // Verify a Segment for Writing
		case NN_wait:                // Wait until BUSY# Pin is Inactive (HIGH)
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			if (NN_wait != this->SMPcmd.itype)
				this->RTL.ExtraKills.push_back(FlagsOp);
			return true;

		case NN_xchg:                // Exchange Register/Memory with Register
			return this->BuildExchangeRTL();

		case NN_xlat:                // Table Lookup Translation
			return false;
			break;

		case NN_xor:                 // Logical Exclusive OR
			return this->BuildBinaryRTL(SMP_BITWISE_XOR);


		//
		//      486 instructions
		//

		case NN_cmpxchg:             // Compare and Exchange
			return this->BuildCompareExchangeRTL();

		case NN_bswap:               // Swap bits in EAX
			return false;
			break;

		case NN_xadd:                // t<-dest; dest<-src+dest; src<-t
			return this->BuildExchangeAddRTL();

		case NN_invd:                // Invalidate Data Cache
		case NN_wbinvd:              // Invalidate Data Cache (write changes)
		case NN_invlpg:              // Invalidate TLB entry
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;

		//
		//      Pentium instructions
		//

		case NN_rdmsr:               // Read Machine Status Register
			return this->BuildOptType8RTL();

		case NN_wrmsr:               // Write Machine Status Register
			return false;
			break;

		case NN_cpuid:               // Get CPU ID
			return this->BuildOptType8RTL();

		case NN_cmpxchg8b:           // Compare and Exchange Eight Bytes
			return false;
			break;

		case NN_rdtsc:               // Read Time Stamp Counter
			return this->BuildOptType8RTL();

		case NN_rsm:                 // Resume from System Management Mode
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;


		//
		//      Pentium Pro instructions
		//

		case NN_cmova:               // Move if Above (CF=0 & ZF=0)
		case NN_cmovb:               // Move if Below (CF=1)
		case NN_cmovbe:              // Move if Below or Equal (CF=1 | ZF=1)
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_cmovg:               // Move if Greater (ZF=0 & SF=OF)
			return this->BuildMoveRTL(SMP_GREATER_THAN);

		case NN_cmovge:              // Move if Greater or Equal (SF=OF)
			return this->BuildMoveRTL(SMP_GREATER_EQUAL);

		case NN_cmovl:               // Move if Less (SF!=OF)
			return this->BuildMoveRTL(SMP_LESS_THAN);

		case NN_cmovle:              // Move if Less or Equal (ZF=1 | SF!=OF)
			return this->BuildMoveRTL(SMP_LESS_EQUAL);

		case NN_cmovnb:              // Move if Not Below (CF=0)
		case NN_cmovno:              // Move if Not Overflow (OF=0)
		case NN_cmovnp:              // Move if Not Parity (PF=0)
		case NN_cmovns:              // Move if Not Sign (SF=0)
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_cmovnz:              // Move if Not Zero (ZF=0)
			return this->BuildMoveRTL(SMP_NOT_EQUAL);

		case NN_cmovo:               // Move if Overflow (OF=1)
		case NN_cmovp:               // Move if Parity (PF=1)
		case NN_cmovs:               // Move if Sign (SF=1)
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_cmovz:               // Move if Zero (ZF=1)
			return this->BuildMoveRTL(SMP_EQUAL);

		case NN_fcmovb:              // Floating Move if Below
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_fcmove:              // Floating Move if Equal
			return this->BuildMoveRTL(SMP_EQUAL);

		case NN_fcmovbe:             // Floating Move if Below or Equal
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_fcmovu:              // Floating Move if Unordered
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_fcmovnb:             // Floating Move if Not Below
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_fcmovne:             // Floating Move if Not Equal
			return this->BuildMoveRTL(SMP_NOT_EQUAL);

		case NN_fcmovnbe:            // Floating Move if Not Below or Equal
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);

		case NN_fcmovnu:             // Floating Move if Not Unordered
			return this->BuildMoveRTL(SMP_BINARY_NUMERIC_OPERATION);


		case NN_fcomi:               // FP Compare: result in EFLAGS
		case NN_fucomi:              // FP Unordered Compare: result in EFLAGS
		case NN_fcomip:              // FP Compare: result in EFLAGS: pop stack
		case NN_fucomip:             // FP Unordered Compare: result in EFLAGS: pop stack
			return false;
			break;

		case NN_rdpmc:               // Read Performance Monitor Counter
			return this->BuildOptType8RTL();

		//
		//      FPP instructions
		//

		case NN_fld:                 // Load Real
		case NN_fst:                 // Store Real
		case NN_fstp:                // Store Real and Pop
			return this->BuildMoveRTL(SMP_NULL_OPERATOR);

		case NN_fxch:                // Exchange Registers
			// FP registers remain NUMERIC anyway, so this is a no-op to our type system.
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;

		case NN_fild:                // Load Integer
		case NN_fist:                // Store Integer
		case NN_fistp:               // Store Integer and Pop
		case NN_fbld:                // Load BCD
		case NN_fbstp:               // Store BCD and Pop
			return this->BuildMoveRTL(SMP_NULL_OPERATOR);

		case NN_fadd:                // Add Real
		case NN_faddp:               // Add Real and Pop
		case NN_fiadd:               // Add Integer
		case NN_fsub:                // Subtract Real
		case NN_fsubp:               // Subtract Real and Pop
		case NN_fisub:               // Subtract Integer
		case NN_fsubr:               // Subtract Real Reversed
		case NN_fsubrp:              // Subtract Real Reversed and Pop
		case NN_fisubr:              // Subtract Integer Reversed
		case NN_fmul:                // Multiply Real
		case NN_fmulp:               // Multiply Real and Pop
		case NN_fimul:               // Multiply Integer
		case NN_fdiv:                // Divide Real
		case NN_fdivp:               // Divide Real and Pop
		case NN_fidiv:               // Divide Integer
		case NN_fdivr:               // Divide Real Reversed
		case NN_fdivrp:              // Divide Real Reversed and Pop
		case NN_fidivr:              // Divide Integer Reversed
			return this->BuildBinaryRTL(SMP_BINARY_FLOATING_ARITHMETIC);

		case NN_fsqrt:               // Square Root
		case NN_fscale:              // Scale:  st(0) <- st(0) * 2^st(1)
		case NN_fprem:               // Partial Remainder
		case NN_frndint:             // Round to Integer
		case NN_fxtract:             // Extract exponent and significand
		case NN_fabs:                // Absolute value
		case NN_fchs:                // Change Sign
			return this->BuildUnaryRTL(SMP_UNARY_FLOATING_ARITHMETIC);

		case NN_fcom:                // Compare Real
		case NN_fcomp:               // Compare Real and Pop
		case NN_fcompp:              // Compare Real and Pop Twice
		case NN_ficom:               // Compare Integer
		case NN_ficomp:              // Compare Integer and Pop
		case NN_ftst:                // Test
		case NN_fxam:                // Examine
			// Floating comparison instructions use FP reg stack locations
			//  as sources and set only the FP flags. All of these are numeric
			//  type and we don't track any of them, so all such instructions
			//  can be considered to be no-ops.
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;

		case NN_fptan:               // Partial tangent
		case NN_fpatan:              // Partial arctangent
		case NN_f2xm1:               // 2^x - 1
		case NN_fyl2x:               // Y * lg2(X)
		case NN_fyl2xp1:             // Y * lg2(X+1)
			// We can consider it a unary operation when both arguments come
			//  off the floating point register stack, unless we even start
			//  modeling the different locations in the FP register stack.
			return this->BuildUnaryRTL(SMP_UNARY_FLOATING_ARITHMETIC);

		case NN_fldz:                // Load +0.0
		case NN_fld1:                // Load +1.0
		case NN_fldpi:               // Load PI=3.14...
		case NN_fldl2t:              // Load lg2(10)
		case NN_fldl2e:              // Load lg2(e)
		case NN_fldlg2:              // Load lg10(2)
		case NN_fldln2:              // Load ln(2)
		case NN_finit:               // Initialize Processor
		case NN_fninit:              // Initialize Processor (no wait)
		case NN_fsetpm:              // Set Protected Mode
		case NN_fldcw:               // Load Control Word
		case NN_fstcw:               // Store Control Word
		case NN_fnstcw:              // Store Control Word (no wait)
		case NN_fstsw:               // Store Status Word
		case NN_fnstsw:              // Store Status Word (no wait)
		case NN_fclex:               // Clear Exceptions
		case NN_fnclex:              // Clear Exceptions (no wait)
			// Floating point stack and control word and flags operations
			//  with no memory operands are no-ops to us.
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;

		case NN_fstenv:              // Store Environment
		case NN_fnstenv:             // Store Environment (no wait)
		case NN_fldenv:              // Load Environment
		case NN_fsave:               // Save State
		case NN_fnsave:              // Save State (no wait)
		case NN_frstor:              // Restore State
		case NN_fincstp:             // Increment Stack Pointer
		case NN_fdecstp:             // Decrement Stack Pointer
		case NN_ffree:               // Free Register
		case NN_fnop:                // No Operation
		case NN_feni:                // (8087 only)
		case NN_fneni:               // (no wait) (8087 only)
		case NN_fdisi:               // (8087 only)
		case NN_fndisi:              // (no wait) (8087 only)
			return false;
			break;


		//
		//      80387 instructions
		//

		case NN_fprem1:              // Partial Remainder ( < half )
		case NN_fsincos:             // t<-cos(st); st<-sin(st); push t
		case NN_fsin:                // Sine
		case NN_fcos:                // Cosine
		case NN_fucom:               // Compare Unordered Real
		case NN_fucomp:              // Compare Unordered Real and Pop
		case NN_fucompp:             // Compare Unordered Real and Pop Twice
			// Floating point stack and control word and flags operations
			//  with no memory operands are no-ops to us.
			NopRT = new SMPRegTransfer;
			NopRT->SetOperator(SMP_NULL_OPERATOR);
			this->RTL.push_back(NopRT);
			NopRT = NULL;
			return true;


		//
		//      Instructions added 28.02.96
		//

		case NN_setalc:              // Set AL to Carry Flag
		case NN_svdc:                // Save Register and Descriptor
		case NN_rsdc:                // Restore Register and Descriptor
		case NN_svldt:               // Save LDTR and Descriptor
		case NN_rsldt:               // Restore LDTR and Descriptor
		case NN_svts:                // Save TR and Descriptor
		case NN_rsts:                // Restore TR and Descriptor
		case NN_icebp:               // ICE Break Point
		case NN_loadall:             // Load the entire CPU state from ES:EDI

		//
		//      MMX instructions
		//

		case NN_emms:                // Empty MMX state
		case NN_movd:                // Move 32 bits
		case NN_movq:                // Move 64 bits
		case NN_packsswb:            // Pack with Signed Saturation (Word->Byte)
		case NN_packssdw:            // Pack with Signed Saturation (Dword->Word)
		case NN_packuswb:            // Pack with Unsigned Saturation (Word->Byte)
		case NN_paddb:               // Packed Add Byte
		case NN_paddw:               // Packed Add Word
		case NN_paddd:               // Packed Add Dword
		case NN_paddsb:              // Packed Add with Saturation (Byte)
		case NN_paddsw:              // Packed Add with Saturation (Word)
		case NN_paddusb:             // Packed Add Unsigned with Saturation (Byte)
		case NN_paddusw:             // Packed Add Unsigned with Saturation (Word)
		case NN_pand:                // Bitwise Logical And
		case NN_pandn:               // Bitwise Logical And Not
		case NN_pcmpeqb:             // Packed Compare for Equal (Byte)
		case NN_pcmpeqw:             // Packed Compare for Equal (Word)
		case NN_pcmpeqd:             // Packed Compare for Equal (Dword)
		case NN_pcmpgtb:             // Packed Compare for Greater Than (Byte)
		case NN_pcmpgtw:             // Packed Compare for Greater Than (Word)
		case NN_pcmpgtd:             // Packed Compare for Greater Than (Dword)
		case NN_pmaddwd:             // Packed Multiply and Add
		case NN_pmulhw:              // Packed Multiply High
		case NN_pmullw:              // Packed Multiply Low
		case NN_por:                 // Bitwise Logical Or
		case NN_psllw:               // Packed Shift Left Logical (Word)
		case NN_pslld:               // Packed Shift Left Logical (Dword)
		case NN_psllq:               // Packed Shift Left Logical (Qword)
		case NN_psraw:               // Packed Shift Right Arithmetic (Word)
		case NN_psrad:               // Packed Shift Right Arithmetic (Dword)
		case NN_psrlw:               // Packed Shift Right Logical (Word)
		case NN_psrld:               // Packed Shift Right Logical (Dword)
		case NN_psrlq:               // Packed Shift Right Logical (Qword)
		case NN_psubb:               // Packed Subtract Byte
		case NN_psubw:               // Packed Subtract Word
		case NN_psubd:               // Packed Subtract Dword
		case NN_psubsb:              // Packed Subtract with Saturation (Byte)
		case NN_psubsw:              // Packed Subtract with Saturation (Word)
		case NN_psubusb:             // Packed Subtract Unsigned with Saturation (Byte)
		case NN_psubusw:             // Packed Subtract Unsigned with Saturation (Word)
		case NN_punpckhbw:           // Unpack High Packed Data (Byte->Word)
		case NN_punpckhwd:           // Unpack High Packed Data (Word->Dword)
		case NN_punpckhdq:           // Unpack High Packed Data (Dword->Qword)
		case NN_punpcklbw:           // Unpack Low Packed Data (Byte->Word)
		case NN_punpcklwd:           // Unpack Low Packed Data (Word->Dword)
		case NN_punpckldq:           // Unpack Low Packed Data (Dword->Qword)
		case NN_pxor:                // Bitwise Logical Exclusive Or

		//
		//      Undocumented Deschutes processor instructions
		//

		case NN_fxsave:              // Fast save FP context
		case NN_fxrstor:             // Fast restore FP context

		//      Pentium II instructions

		case NN_sysenter:            // Fast Transition to System Call Entry Point
		case NN_sysexit:             // Fast Transition from System Call Entry Point

		//      3DNow! instructions

		case NN_pavgusb:             // Packed 8-bit Unsigned Integer Averaging
		case NN_pfadd:               // Packed Floating-Point Addition
		case NN_pfsub:               // Packed Floating-Point Subtraction
		case NN_pfsubr:              // Packed Floating-Point Reverse Subtraction
		case NN_pfacc:               // Packed Floating-Point Accumulate
		case NN_pfcmpge:             // Packed Floating-Point Comparison: Greater or Equal
		case NN_pfcmpgt:             // Packed Floating-Point Comparison: Greater
		case NN_pfcmpeq:             // Packed Floating-Point Comparison: Equal
		case NN_pfmin:               // Packed Floating-Point Minimum
		case NN_pfmax:               // Packed Floating-Point Maximum
		case NN_pi2fd:               // Packed 32-bit Integer to Floating-Point
		case NN_pf2id:               // Packed Floating-Point to 32-bit Integer
		case NN_pfrcp:               // Packed Floating-Point Reciprocal Approximation
		case NN_pfrsqrt:             // Packed Floating-Point Reciprocal Square Root Approximation
		case NN_pfmul:               // Packed Floating-Point Multiplication
		case NN_pfrcpit1:            // Packed Floating-Point Reciprocal First Iteration Step
		case NN_pfrsqit1:            // Packed Floating-Point Reciprocal Square Root First Iteration Step
		case NN_pfrcpit2:            // Packed Floating-Point Reciprocal Second Iteration Step
		case NN_pmulhrw:             // Packed Floating-Point 16-bit Integer Multiply with rounding
		case NN_femms:               // Faster entry/exit of the MMX or floating-point state
		case NN_prefetch:            // Prefetch at least a 32-byte line into L1 data cache
		case NN_prefetchw:           // Prefetch processor cache line into L1 data cache (mark as modified)


		//      Pentium III instructions

		case NN_addps:               // Packed Single-FP Add
		case NN_addss:               // Scalar Single-FP Add
		case NN_andnps:              // Bitwise Logical And Not for Single-FP
		case NN_andps:               // Bitwise Logical And for Single-FP
		case NN_cmpps:               // Packed Single-FP Compare
		case NN_cmpss:               // Scalar Single-FP Compare
		case NN_comiss:              // Scalar Ordered Single-FP Compare and Set EFLAGS
		case NN_cvtpi2ps:            // Packed signed INT32 to Packed Single-FP conversion
		case NN_cvtps2pi:            // Packed Single-FP to Packed INT32 conversion
		case NN_cvtsi2ss:            // Scalar signed INT32 to Single-FP conversion
		case NN_cvtss2si:            // Scalar Single-FP to signed INT32 conversion
		case NN_cvttps2pi:           // Packed Single-FP to Packed INT32 conversion (truncate)
		case NN_cvttss2si:           // Scalar Single-FP to signed INT32 conversion (truncate)
		case NN_divps:               // Packed Single-FP Divide
		case NN_divss:               // Scalar Single-FP Divide
		case NN_ldmxcsr:             // Load Streaming SIMD Extensions Technology Control/Status Register
		case NN_maxps:               // Packed Single-FP Maximum
		case NN_maxss:               // Scalar Single-FP Maximum
		case NN_minps:               // Packed Single-FP Minimum
		case NN_minss:               // Scalar Single-FP Minimum
		case NN_movaps:              // Move Aligned Four Packed Single-FP
		case NN_movhlps:             // Move High to Low Packed Single-FP
		case NN_movhps:              // Move High Packed Single-FP
		case NN_movlhps:             // Move Low to High Packed Single-FP
		case NN_movlps:              // Move Low Packed Single-FP
		case NN_movmskps:            // Move Mask to Register
		case NN_movss:               // Move Scalar Single-FP
		case NN_movups:              // Move Unaligned Four Packed Single-FP
		case NN_mulps:               // Packed Single-FP Multiply
		case NN_mulss:               // Scalar Single-FP Multiply
		case NN_orps:                // Bitwise Logical OR for Single-FP Data
		case NN_rcpps:               // Packed Single-FP Reciprocal
		case NN_rcpss:               // Scalar Single-FP Reciprocal
		case NN_rsqrtps:             // Packed Single-FP Square Root Reciprocal
		case NN_rsqrtss:             // Scalar Single-FP Square Root Reciprocal
		case NN_shufps:              // Shuffle Single-FP
		case NN_sqrtps:              // Packed Single-FP Square Root
		case NN_sqrtss:              // Scalar Single-FP Square Root
		case NN_stmxcsr:             // Store Streaming SIMD Extensions Technology Control/Status Register
		case NN_subps:               // Packed Single-FP Subtract
		case NN_subss:               // Scalar Single-FP Subtract
		case NN_ucomiss:             // Scalar Unordered Single-FP Compare and Set EFLAGS
		case NN_unpckhps:            // Unpack High Packed Single-FP Data
		case NN_unpcklps:            // Unpack Low Packed Single-FP Data
		case NN_xorps:               // Bitwise Logical XOR for Single-FP Data
		case NN_pavgb:               // Packed Average (Byte)
		case NN_pavgw:               // Packed Average (Word)
		case NN_pextrw:              // Extract Word
		case NN_pinsrw:              // Insert Word
		case NN_pmaxsw:              // Packed Signed Integer Word Maximum
		case NN_pmaxub:              // Packed Unsigned Integer Byte Maximum
		case NN_pminsw:              // Packed Signed Integer Word Minimum
		case NN_pminub:              // Packed Unsigned Integer Byte Minimum
		case NN_pmovmskb:            // Move Byte Mask to Integer
		case NN_pmulhuw:             // Packed Multiply High Unsigned
		case NN_psadbw:              // Packed Sum of Absolute Differences
		case NN_pshufw:              // Packed Shuffle Word
		case NN_maskmovq:            // Byte Mask write
		case NN_movntps:             // Move Aligned Four Packed Single-FP Non Temporal
		case NN_movntq:              // Move 64 Bits Non Temporal
		case NN_prefetcht0:          // Prefetch to all cache levels
		case NN_prefetcht1:          // Prefetch to all cache levels
		case NN_prefetcht2:          // Prefetch to L2 cache
		case NN_prefetchnta:         // Prefetch to L1 cache
		case NN_sfence:              // Store Fence

		// Pentium III Pseudo instructions

		case NN_cmpeqps:             // Packed Single-FP Compare EQ
		case NN_cmpltps:             // Packed Single-FP Compare LT
		case NN_cmpleps:             // Packed Single-FP Compare LE
		case NN_cmpunordps:          // Packed Single-FP Compare UNORD
		case NN_cmpneqps:            // Packed Single-FP Compare NOT EQ
		case NN_cmpnltps:            // Packed Single-FP Compare NOT LT
		case NN_cmpnleps:            // Packed Single-FP Compare NOT LE
		case NN_cmpordps:            // Packed Single-FP Compare ORDERED
		case NN_cmpeqss:             // Scalar Single-FP Compare EQ
		case NN_cmpltss:             // Scalar Single-FP Compare LT
		case NN_cmpless:             // Scalar Single-FP Compare LE
		case NN_cmpunordss:          // Scalar Single-FP Compare UNORD
		case NN_cmpneqss:            // Scalar Single-FP Compare NOT EQ
		case NN_cmpnltss:            // Scalar Single-FP Compare NOT LT
		case NN_cmpnless:            // Scalar Single-FP Compare NOT LE
		case NN_cmpordss:            // Scalar Single-FP Compare ORDERED

		// AMD K7 instructions

		case NN_pf2iw:               // Packed Floating-Point to Integer with Sign Extend
		case NN_pfnacc:              // Packed Floating-Point Negative Accumulate
		case NN_pfpnacc:             // Packed Floating-Point Mixed Positive-Negative Accumulate
		case NN_pi2fw:               // Packed 16-bit Integer to Floating-Point
		case NN_pswapd:              // Packed Swap Double Word

		// Undocumented FP instructions (thanks to norbert.juffa@adm.com)

		case NN_fstp1:               // Alias of Store Real and Pop
		case NN_fcom2:               // Alias of Compare Real
		case NN_fcomp3:              // Alias of Compare Real and Pop
		case NN_fxch4:               // Alias of Exchange Registers
		case NN_fcomp5:              // Alias of Compare Real and Pop
		case NN_ffreep:              // Free Register and Pop
		case NN_fxch7:               // Alias of Exchange Registers
		case NN_fstp8:               // Alias of Store Real and Pop
		case NN_fstp9:               // Alias of Store Real and Pop

		// Pentium 4 instructions

		case NN_addpd:               // Add Packed Double-Precision Floating-Point Values
		case NN_addsd:               // Add Scalar Double-Precision Floating-Point Values
		case NN_andnpd:              // Bitwise Logical AND NOT of Packed Double-Precision Floating-Point Values
		case NN_andpd:               // Bitwise Logical AND of Packed Double-Precision Floating-Point Values
		case NN_clflush:             // Flush Cache Line
		case NN_cmppd:               // Compare Packed Double-Precision Floating-Point Values
		case NN_cmpsd:               // Compare Scalar Double-Precision Floating-Point Values
		case NN_comisd:              // Compare Scalar Ordered Double-Precision Floating-Point Values and Set EFLAGS
		case NN_cvtdq2pd:            // Convert Packed Doubleword Integers to Packed Single-Precision Floating-Point Values
		case NN_cvtdq2ps:            // Convert Packed Doubleword Integers to Packed Double-Precision Floating-Point Values
		case NN_cvtpd2dq:            // Convert Packed Double-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvtpd2pi:            // Convert Packed Double-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvtpd2ps:            // Convert Packed Double-Precision Floating-Point Values to Packed Single-Precision Floating-Point Values
		case NN_cvtpi2pd:            // Convert Packed Doubleword Integers to Packed Double-Precision Floating-Point Values
		case NN_cvtps2dq:            // Convert Packed Single-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvtps2pd:            // Convert Packed Single-Precision Floating-Point Values to Packed Double-Precision Floating-Point Values
		case NN_cvtsd2si:            // Convert Scalar Double-Precision Floating-Point Value to Doubleword Integer
		case NN_cvtsd2ss:            // Convert Scalar Double-Precision Floating-Point Value to Scalar Single-Precision Floating-Point Value
		case NN_cvtsi2sd:            // Convert Doubleword Integer to Scalar Double-Precision Floating-Point Value
		case NN_cvtss2sd:            // Convert Scalar Single-Precision Floating-Point Value to Scalar Double-Precision Floating-Point Value
		case NN_cvttpd2dq:           // Convert With Truncation Packed Double-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvttpd2pi:           // Convert with Truncation Packed Double-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvttps2dq:           // Convert With Truncation Packed Single-Precision Floating-Point Values to Packed Doubleword Integers
		case NN_cvttsd2si:           // Convert with Truncation Scalar Double-Precision Floating-Point Value to Doubleword Integer
		case NN_divpd:               // Divide Packed Double-Precision Floating-Point Values
		case NN_divsd:               // Divide Scalar Double-Precision Floating-Point Values
		case NN_lfence:              // Load Fence
		case NN_maskmovdqu:          // Store Selected Bytes of Double Quadword
		case NN_maxpd:               // Return Maximum Packed Double-Precision Floating-Point Values
		case NN_maxsd:               // Return Maximum Scalar Double-Precision Floating-Point Value
		case NN_mfence:              // Memory Fence
		case NN_minpd:               // Return Minimum Packed Double-Precision Floating-Point Values
		case NN_minsd:               // Return Minimum Scalar Double-Precision Floating-Point Value
		case NN_movapd:              // Move Aligned Packed Double-Precision Floating-Point Values
		case NN_movdq2q:             // Move Quadword from XMM to MMX Register
		case NN_movdqa:              // Move Aligned Double Quadword
		case NN_movdqu:              // Move Unaligned Double Quadword
		case NN_movhpd:              // Move High Packed Double-Precision Floating-Point Values
		case NN_movlpd:              // Move Low Packed Double-Precision Floating-Point Values
		case NN_movmskpd:            // Extract Packed Double-Precision Floating-Point Sign Mask
		case NN_movntdq:             // Store Double Quadword Using Non-Temporal Hint
		case NN_movnti:              // Store Doubleword Using Non-Temporal Hint
		case NN_movntpd:             // Store Packed Double-Precision Floating-Point Values Using Non-Temporal Hint
		case NN_movq2dq:             // Move Quadword from MMX to XMM Register
		case NN_movsd:               // Move Scalar Double-Precision Floating-Point Values
		case NN_movupd:              // Move Unaligned Packed Double-Precision Floating-Point Values
		case NN_mulpd:               // Multiply Packed Double-Precision Floating-Point Values
		case NN_mulsd:               // Multiply Scalar Double-Precision Floating-Point Values
		case NN_orpd:                // Bitwise Logical OR of Double-Precision Floating-Point Values
		case NN_paddq:               // Add Packed Quadword Integers
		case NN_pause:               // Spin Loop Hint
		case NN_pmuludq:             // Multiply Packed Unsigned Doubleword Integers
		case NN_pshufd:              // Shuffle Packed Doublewords
		case NN_pshufhw:             // Shuffle Packed High Words
		case NN_pshuflw:             // Shuffle Packed Low Words
		case NN_pslldq:              // Shift Double Quadword Left Logical
		case NN_psrldq:              // Shift Double Quadword Right Logical
		case NN_psubq:               // Subtract Packed Quadword Integers
		case NN_punpckhqdq:          // Unpack High Data
		case NN_punpcklqdq:          // Unpack Low Data
		case NN_shufpd:              // Shuffle Packed Double-Precision Floating-Point Values
		case NN_sqrtpd:              // Compute Square Roots of Packed Double-Precision Floating-Point Values
		case NN_sqrtsd:              // Compute Square Rootof Scalar Double-Precision Floating-Point Value
		case NN_subpd:               // Subtract Packed Double-Precision Floating-Point Values
		case NN_subsd:               // Subtract Scalar Double-Precision Floating-Point Values
		case NN_ucomisd:             // Unordered Compare Scalar Ordered Double-Precision Floating-Point Values and Set EFLAGS
		case NN_unpckhpd:            // Unpack and Interleave High Packed Double-Precision Floating-Point Values
		case NN_unpcklpd:            // Unpack and Interleave Low Packed Double-Precision Floating-Point Values
		case NN_xorpd:               // Bitwise Logical OR of Double-Precision Floating-Point Values

		// AMD syscall/sysret instructions

		case NN_syscall:             // Low latency system call
		case NN_sysret:              // Return from system call

		// AMD64 instructions

		case NN_swapgs:              // Exchange GS base with KernelGSBase MSR

		// New Pentium instructions (SSE3)

		case NN_movddup:             // Move One Double-FP and Duplicate
		case NN_movshdup:            // Move Packed Single-FP High and Duplicate
		case NN_movsldup:            // Move Packed Single-FP Low and Duplicate

		// Missing AMD64 instructions

		case NN_movsxd:              // Move with Sign-Extend Doubleword
		case NN_cmpxchg16b:          // Compare and Exchange 16 Bytes

		// SSE3 instructions

		case NN_addsubpd:            // Add /Sub packed DP FP numbers
		case NN_addsubps:            // Add /Sub packed SP FP numbers
		case NN_haddpd:              // Add horizontally packed DP FP numbers
		case NN_haddps:              // Add horizontally packed SP FP numbers
		case NN_hsubpd:              // Sub horizontally packed DP FP numbers
		case NN_hsubps:              // Sub horizontally packed SP FP numbers
		case NN_monitor:             // Set up a linear address range to be monitored by hardware
		case NN_mwait:               // Wait until write-back store performed within the range specified by the MONITOR instruction
		case NN_fisttp:              // Store ST in intXX (chop) and pop
		case NN_lddqu:               // Load unaligned integer 128-bit

		// SSSE3 instructions

		case NN_psignb:              // Packed SIGN Byte
		case NN_psignw:              // Packed SIGN Word
		case NN_psignd:              // Packed SIGN Doubleword
		case NN_pshufb:              // Packed Shuffle Bytes
		case NN_pmulhrsw:            // Packed Multiply High with Round and Scale
		case NN_pmaddubsw:           // Multiply and Add Packed Signed and Unsigned Bytes
		case NN_phsubsw:             // Packed Horizontal Subtract and Saturate
		case NN_phaddsw:             // Packed Horizontal Add and Saturate
		case NN_phaddw:              // Packed Horizontal Add Word
		case NN_phaddd:              // Packed Horizontal Add Doubleword
		case NN_phsubw:              // Packed Horizontal Subtract Word
		case NN_phsubd:              // Packed Horizontal Subtract Doubleword
		case NN_palignr:             // Packed Align Right
		case NN_pabsb:               // Packed Absolute Value Byte
		case NN_pabsw:               // Packed Absolute Value Word
		case NN_pabsd:               // Packed Absolute Value Doubleword

		// VMX instructions

		case NN_vmcall:              // Call to VM Monitor
		case NN_vmclear:             // Clear Virtual Machine Control Structure
		case NN_vmlaunch:            // Launch Virtual Machine
		case NN_vmresume:            // Resume Virtual Machine
		case NN_vmptrld:             // Load Pointer to Virtual Machine Control Structure
		case NN_vmptrst:             // Store Pointer to Virtual Machine Control Structure
		case NN_vmread:              // Read Field from Virtual Machine Control Structure
		case NN_vmwrite:             // Write Field from Virtual Machine Control Structure
		case NN_vmxoff:              // Leave VMX Operation
		case NN_vmxon:               // Enter VMX Operation
			return false;
			break;

		default:
			msg("ERROR: Unknown instruction opcode at %x : %s\n", this->GetAddr(),
				this->GetDisasm());
			break;
	} // end switch on opcode
	return true;
} // end SMPInstr::BuildRTL()