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Intel Volume 2: Instruction Set Reference

TABLE OF CONTENTS TABLE OF FIGURES TABLE OF TABLES CHAPTER 1. ABOUT THIS MANUAL 1.4.2.Reserved Bits and Software Compatibility 1.4.3.Instruction Operands 1.4.4.Hexadecimal and Binary Numbers 1.4.5.Segmented Addressing 1.5.RELATED LITERATURE CHAPTER 2. INSTRUCTION FORMAT INSTRUCTION PREFIX F0H-LOCK prefix INSTRUCTION PREFIX F2H-REPNE/REPNZ prefix (used only with string instructions) INSTRUCTION PREFIX F3H-REP prefix (used only with string instructions) INSTRUCTION PREFIX F3H-REPE/REPZ prefix (used only with string instructions) INSTRUCTION PREFIX F3H-Streaming SIMD Extensions prefix 2.5. DISPLACEMENT AND IMMEDIATE BYTES 2.6. ADDRESSING-MODE ENCODING OF MODR/M AND SIB BYTES 16-Bit Addressing Forms with the ModR/M Byte Effective Address Mod R/M Value of ModR/M Byte (in Hexadecimal) 32-Bit Addressing Forms with the ModR/M Byte 32-Bit Addressing Forms with the SIB Byte Instruction Set Reference CHAPTER 3. INSTRUCTION SET REFERENCE INTERPRETING THE INSTRUCTION REFERENCE PAGES Instruction Format Example: CMC - Complement Carry Flag 3.1.1.1.OPCODE COLUMN 3.1.1.2.INSTRUCTION COLUMN 3.1.1.3.DESCRIPTION COLUMN 3.1.2.Operation 3.1.3.Intel C/C++ Compiler Intrinsics Equivalent 3.1.3.2.MMX TECHNOLOGY INTRINSICS 3.1.3.3.SIMD FLOATING-POINT INTRINSICS 3.1.4.Flags Affected 3.1.5.FPU Flags Affected 3.1.6.Protected Mode Exceptions 3.1.7.Real-Address Mode Exceptions Exception Mnemonics, Names, and Vector Numbers 3.1.8.Virtual-8086 Mode Exceptions 3.1.9.Floating-Point Exceptions 3.1.10.SIMD Floating-Point Exceptions - Streaming SIMD SIMD Floating - Point Exception Mnemonics and Names 3.2.INSTRUCTION REFERENCE AAA-ASCII Adjust After Addition AAD-ASCII Adjust AX Before Division AAM-ASCII Adjust AX After Multiply AAS-ASCII Adjust AL After Subtraction ADC-Add with Carry ADD-Add ADDPS-Packed Single-FP Add ADDSS-Scalar Single-FP Add AND-Logical AND ANDNPS-Bit-wise Logical And Not For Single-FP ANDPS-Bit-wise Logical And For Single FP ARPL-Adjust RPL Field of Segment Selector BOUND-Check Array Index Against Bounds BSF-Bit Scan Forward BSR-Bit Scan Reverse BSWAP-Byte Swap BT-Bit Test BTC-Bit Test and Complement BTR-Bit Test and Reset BTS-Bit Test and Set CALL-Call Procedure CBW/CWDE-Convert Byte to Word/Convert Word to Doubleword CDQ-Convert Double to Quad CLC-Clear Carry Flag CLD-Clear Direction Flag CLI-Clear Interrupt Flag CLTS-Clear Task-Switched Flag in CR0 CMC-Complement Carry Flag CMOVcc-Conditional Move CMP-Compare Two Operands CMPPS-Packed Single-FP Compare CMPS/CMPSB/CMPSW/CMPSD-Compare String Operands CMPSS-Scalar Single-FP Compare CMPXCHG-Compare and Exchange CMPXCHG8B-Compare and Exchange 8 Bytes COMISS-Scalar Ordered Single-FP Compare and Set EFLAGS CPUID-CPU Identification CVTPI2PS-Packed Signed INT32 to Packed Single-FP Conversion CVTPI2PS-Packed Signed INT32 to Packed Single-FP Conversion CVTPI2PS-Packed Signed INT32 to Packed Single-FP Conversion CVTPS2PI-Packed Single-FP to Packed INT32 Conversion CVTPS2PI-Packed Single-FP to Packed INT32 Conversion CVTSI2SS-Scalar Signed INT32 to Single-FP Conversion CVTSS2SI-Scalar Single-FP to Signed INT32 Conversion CVTTPS2PI-Packed Single-FP to Packed INT32 Conversion (Truncate) CWD/CDQ-Convert Word to Doubleword/Convert Doubleword to Quadword CWDE-Convert Word to Doubleword DAA-Decimal Adjust AL after Addition DAS-Decimal Adjust AL after Subtraction DEC-Decrement by 1 DIV-Unsigned Divide DIVPS-Packed Single-FP Divide DIVSS-Scalar Single-FP Divide EMMS-Empty MMX State ENTER-Make Stack Frame for Procedure Parameters F2XM1-Compute 2-1 FABS-Absolute Value FADD/FADDP/FIADD-Add FBLD-Load Binary Coded Decimal FBSTP-Store BCD Integer and Pop FCHS-Change Sign FCLEX/FNCLEX-Clear Exceptions FCMOVcc-Floating-Point Conditional Move FCOM/FCOMP/FCOMPP-Compare Real FCOMI/FCOMIP/ FUCOMI/FUCOMIP-Compare Real and Set EFLAGS FCOMI/FCOMIP/ FUCOMI/FUCOMIP-Compare Real and Set EFLAGS FCOMI/FCOMIP/ FUCOMI/FUCOMIP-Compare Real and Set EFLAGS FCOS-Cosine FDECSTP-Decrement Stack-Top Pointer FDIV/FDIVP/FIDIV-Divide FDIVR/FDIVRP/FIDIVR-Reverse Divide FFREE-Free Floating-Point Register FICOM/FICOMP-Compare Integer FILD-Load Integer FINCSTP-Increment Stack-Top Pointer FINIT/FNINIT-Initialize Floating-Point Unit FIST/FISTP-Store Integer FLD-Load Real FLD1/FLDL2T/FLDL2E/FLDPI/FLDLG2/FLDLN2/FLDZ-Load Constant FLDCW-Load Control Word FLDENV-Load FPU Environment FMUL/FMULP/FIMUL-Multiply FNOP-No Operation FPATAN-Partial Arctangent FPREM-Partial Remainder FPREM1-Partial Remainder FPTAN-Partial Tangent FRNDINT-Round to Integer FRSTOR-Restore FPU State FSAVE/FNSAVE-Store FPU State FSCALE-Scale FSIN-Sine FSINCOS-Sine and Cosine FSQRT-Square Root FST/FSTP-Store Real FSTCW/FNSTCW-Store Control Word FSTENV/FNSTENV-Store FPU Environment FSTSW/FNSTSW-Store Status Word FSUB/FSUBP/FISUB-Subtract FSUBR/FSUBRP/FISUBR-Reverse Subtract FTST-TEST FUCOM/FUCOMP/FUCOMPP-Unordered Compare Real FWAIT-Wait FXAM-Examine FXCH-Exchange Register Contents FXRSTOR-Restore FP and MMX State and Streaming SIMD Extension State FXRSTOR-Restore FP And MMX State FXRSTOR-Restore FP And MMX State And Streaming SIMD FXRSTOR-Restore FP And MMX State And Streaming SIMD Extension State FXSAVE-Store FP and MMX State and Streaming SIMD Extension State FXTRACT-Extract Exponent and Significand FYL2X-Compute y log x FYL2XP1-Compute y log(x+1) HLT-Halt IDIV-Signed Divide IMUL-Signed Multiply IN-Input from Port INC-Increment by 1 INS/INSB/INSW/INSD-Input from Port to String INT n/INTO/INT 3-Call to Interrupt Procedure INVD-Invalidate Internal Caches INVLPG-Invalidate TLB Entry IRET/IRETD-Interrupt Return Jcc-Jump if Condition Is Met JMP-Jump LAHF-Load Status Flags into AH Register LAR-Load Access Rights Byte LDMXCSR-Load Streaming SIMD Extension Control/Status LDS/LES/LFS/LGS/LSS-Load Far Pointer LEA-Load Effective Address LEAVE-High Level Procedure Exit LES-Load Full Pointer LFS-Load Full Pointer LGDT/LIDT-Load Global/Interrupt Descriptor Table Register LGS-Load Full Pointer LLDT-Load Local Descriptor Table Register LIDT-Load Interrupt Descriptor Table Register LMSW-Load Machine Status Word LOCK-Assert LOCK# Signal Prefix LODS/LODSB/LODSW/LODSD-Load String LOOP/LOOPcc-Loop According to ECX Counter LSL-Load Segment Limit LSS-Load Full Pointer LTR-Load Task Register MASKMOVQ-Byte Mask Write MAXPS-Packed Single-FP Maximum MAXSS-Scalar Single-FP Maximum MINPS-Packed Single-FP Minimum MINSS-Scalar Single-FP Minimum MOV-Move MOV-Move to/from Control Registers MOV-Move to/from Debug Registers MOVAPS-Move Aligned Four Packed Single-FP MOVD-Move 32 Bits MOVHLPS- High to Low Packed Single-FP MOVHPS-Move High Packed Single-FP MOVLHPS-Move Low to High Packed Single-FP MOVLPS-Move Low Packed Single-FP MOVMSKPS-Move Mask To Integer MOVNTPS-Move Aligned Four Packed Single-FP Non Temporal MOVNTQ-Move 64 Bits Non Temporal MOVQ-Move 64 Bits MOVS/MOVSB/MOVSW/MOVSD-Move Data from StringtoString MOVSS-Move Scalar Single-FP MOVSX-Move with Sign-Extension MOVUPS-Move Unaligned Four Packed Single-FP MOVZX-Move with Zero-Extend MUL-Unsigned Multiply MULPS-Packed Single-FP Multiply MULSS-Scalar Single-FP Multiply NEG-Two's Complement Negation NOP-No Operation NOT-One's Complement Negation OR-Logical Inclusive OR ORPS-Bit-wise Logical OR for Single-FP Data OUT-Output to Port OUTS/OUTSB/OUTSW/OUTSD-Output String to Port PACKSSWB/PACKSSDW-Pack with Signed Saturation PACKUSWB-Pack with Unsigned Saturation PADDB/PADDW/PADDD-Packed Add PADDSB/PADDSW-Packed Add with Saturation PADDUSB/PADDUSW-Packed Add Unsigned with Saturation PAND-Logical AND PANDN-Logical AND NOT PAVGB/PAVGW-Packed Average PCMPEQB/PCMPEQW/PCMPEQD-Packed Compare for Equal PCMPGTB/PCMPGTW/PCMPGTD-Packed Compare for Greater Than PEXTRW-Extract Word PINSRW-Insert Word PMADDWD-Packed Multiply and Add PMAXSW-Packed Signed Integer Word Maximum PMAXUB-Packed Unsigned Integer Byte Maximum PMINSW-Packed Signed Integer Word Minimum PMINUB-Packed Unsigned Integer Byte Minimum PMOVMSKB-Move Byte Mask To Integer PMULHUW-Packed Multiply High Unsigned PMULHW-Packed Multiply High PMULLW-Packed Multiply Low POP-Pop a Value from the Stack POPA/POPAD-Pop All General-Purpose Registers POPF/POPFD-Pop Stack into EFLAGS Register POR-Bitwise Logical OR PREFETCH-Prefetch PSADBW-Packed Sum of Absolute Differences PSHUFW-Packed Shuffle Word PSLLW/PSLLD/PSLLQ-Packed Shift Left Logical PSRAW/PSRAD-Packed Shift Right Arithmetic PSRLW/PSRLD/PSRLQ-Packed Shift Right Logical PSUBB/PSUBW/PSUBD-Packed Subtract PSUBSB/PSUBSW-Packed Subtract with Saturation PSUBUSB/PSUBUSW-Packed Subtract Unsigned with Saturation PUNPCKHBW/PUNPCKHWD/PUNPCKHDQ-Unpack High Packed Data PUSH-Push Word or Doubleword Onto the Stack PUSHA/PUSHAD-Push All General-Purpose Registers PUSHF/PUSHFD-Push EFLAGS Register onto the Stack PXOR-Logical Exclusive OR RCL/RCR/ROL/ROR--Rotate RCPPS-Packed Single-FP Reciprocal RCPSS-Scalar Single-FP Reciprocal RDMSR-Read from Model Specific Register RDPMC-Read Performance-Monitoring Counters RDTSC-Read Time-Stamp Counter REP/REPE/REPZ/REPNE/REPNZ-Repeat String Operation Prefix RET-Return from Procedure ROL/ROR-Rotate RSM-Resume from System Management Mode RSQRTPS-Packed Single-FP Square Root Reciprocal RSQRTSS-Scalar Single-FP Square Root Reciprocal SAHF-Store AH into Flags SAL/SAR/SHL/SHR-Shift SBB-Integer Subtraction with Borrow SCAS/SCASB/SCASW/SCASD-Scan String SETcc-Set Byte on Condition SFENCE-Store Fence SGDT/SIDT-Store Global/Interrupt Descriptor Table Register SHL/SHR-Shift Instructions SHLD-Double Precision Shift Left SHRD-Double Precision Shift Right SHUFPS-Shuffle Single-FP SIDT-Store Interrupt Descriptor Table Register SLDT-Store Local Descriptor Table Register SMSW-Store Machine Status Word SQRTPS-Packed Single-FP Square Root SQRTSS-Scalar Single-FP Square Root STC-Set Carry Flag STD-Set Direction Flag STI-Set Interrupt Flag STMXCSR-Store Streaming SIMD Extension Control/Status STOS/STOSB/STOSW/STOSD-Store String STR-Store Task Register SUB-Subtract SUBPS-Packed Single-FP Subtract SUBSS-Scalar Single-FP Subtract SYSENTER-Fast Transition to System Call Entry Point SYSEXIT-Fast Transition from System Call Entry Point TEST-Logical Compare UCOMISS-Unordered Scalar Single-FP compare and set EFLAGS UD2-Undefined Instruction UNPCKHPS-Unpack High Packed Single-FP Data UNPCKLPS-Unpack Low Packed Single-FP Data VERR/VERW-Verify a Segment for Reading or Writing WAIT/FWAIT-Wait WBINVD-Write Back and Invalidate Cache WRMSR-Write to Model Specific Register XADD-Exchange and Add XCHG-Exchange Register/Memory with Register XLAT/XLATB-Table Look-up Translation XOR-Logical Exclusive OR XORPS-Bit-wise Logical Xor for Single-FP Data APPENDIX A. OPCODE MAP Instruction Formats and Encodings APPENDIX B. INSTRUCTION FORMATS AND ENCODINGS B.1.MACHINE INSTRUCTION FORMAT B.1.1.Reg Field (reg) B.1.2.Encoding of Operand Size Bit (w) B.1.3.Sign Extend (s) Bit B.1.4.Segment Register Field (sreg) B.1.5.Special-Purpose Register (eee) Field B.1.6.Condition Test Field (tttn) B.1.7.Direction (d) Bit B.2.INTEGER INSTRUCTION FORMATS AND ENCODINGS AND - Logical AND ARPL - Adjust RPL Field of Selector BOUND - Check Array Against Bounds BSF - Bit Scan Forward BSR - Bit Scan Reverse BSWAP - Byte Swap BT - Bit Test BTC - Bit Test and Complement BTR - Bit Test and Reset Instruction and Format Encoding BTS - Bit Test and Set CALL - Call Procedure (in same segment) CALL - Call Procedure (in other segment) CBW - Convert Byte to Word CDQ - Convert Doubleword to Qword CLC - Clear Carry Flag CLD - Clear Direction Flag CLI - Clear Interrupt Flag CLTS - Clear Task-Switched Flag in CR0 CMC - Complement Carry Flag CMOVcc - Conditional Move CMP - Compare Two Operands CMPS/CMPSB/CMPSW/CMPSD - Compare String Operands CMPXCHG - Compare and Exchange Instruction and FormatEncoding CMPXCHG8B - Compare and Exchange 8 Bytes CPUID - CPU Identification CWD - Convert Word to Doubleword CWDE - Convert Word to Doubleword DAA - Decimal Adjust AL after Addition DAS - Decimal Adjust AL after Subtraction0010 1111 DEC - Decrement by 1 DIV - Unsigned Divide ENTER - Make Stack Frame for High Level Procedure HLT - Halt IDIV - Signed Divide IMUL - Signed Multiply IN - Input From Port INC - Increment by 1 INS - Input from DX Port Instruction and Format Encoding INT n - Interrupt Type n INT - Single-Step Interrupt 3 INTO - Interrupt 4 on Overflow INVD - Invalidate Cache INVLPG - Invalidate TLB Entry IRET/IRETD - Interrupt Return Jcc - Jump if Condition is Met JCXZ/JECXZ - Jump on CX/ECX Zero JMP - Unconditional Jump (to same segment) JMP - Unconditional Jump (to other segment) LAHF - Load Flags into AHRegister LAR - Load Access Rights Byte LDS - Load Pointer to DS LEA - Load Effective Address LEAVE - High Level Procedure Exit LES - Load Pointer to ES LFS - Load Pointer to FS LGDT - Load Global Descriptor Table Register0000 1111 : 0000 0001 : mod 010 r/m LGS - Load Pointer to GS LIDT - Load Interrupt Descriptor Table Register LLDT - Load Local Descriptor Table Register Instruction and Format Encoding LMSW - Load Machine Status Word LOCK - Assert LOCK# Signal Prefix LODS/LODSB/LODSW/LODSD - Load String Operand LOOP - Loop Count LOOPZ/LOOPE - Loop Count while Zero/Equal1110 0001 : 8-bit displacement LOOPNZ/LOOPNE - Loop Count while not Zero/Equal LSL - Load Segment Limit LSS - Load Pointer to SS LTR - Load Task Register MOV - Move Data MOV - Move to/from Control Registers Instruction and Format Encoding MOV - Move to/from Debug Registers MOV - Move to/from Segment Registers MOVS/MOVSB/MOVSW/MOVSD - Move Data from String to String MOVSX - Move with Sign-Extend MOVZX - Move with Zero-Extend MUL - Unsigned Multiply NEG - Two's Complement Negation NOP - No Operation NOT - One's Complement Negation Instruction and Format Encoding OR - Logical Inclusive OR OUT - Output to Port OUTS - Output to DX Port POP - Pop a Word from the Stack POP - Pop a Segment Register from the Stack POPA/POPAD - Pop All General Registers POPF/POPFD - Pop Stack into FLAGS or EFLAGS Register PUSH - Push Operand onto the Stack PUSH - Push Segment Register onto the Stack PUSHA/PUSHAD - Push All General Registers0110 0000 PUSHF/PUSHFD - Push Flags Register onto the Stack Instruction and Format Encoding RCL - Rotate thru Carry Left RCR - Rotate thru Carry Right RDMSR - Read from Model-Specific Register RDPMC - Read Performance Monitoring Counters RDTSC - Read Time-Stamp Counter REP INS - Input String REP LODS - Load String REP MOVS - Move String REP OUTS - Output String REP STOS - Store String REPE CMPS - Compare String REPE SCAS - Scan String REPNE CMPS - Compare String REPNE SCAS - Scan String RET - Return from Procedure (to same segment) RET - Return from Procedure (to other segment) Instruction and Format Encoding ROL - Rotate Left ROR - Rotate Right RSM - Resume from System Management Mode SAHF - Store AH into Flags SAL - Shift Arithmetic Left SAR - Shift Arithmetic Right SBB - Integer Subtraction with Borrow SCAS/SCASB/SCASW/SCASD - Scan String1101 111w Instruction and Format Encoding SETcc - Byte Set on Condition SGDT - Store Global Descriptor Table Register SHL - Shift Left SHLD - Double Precision Shift Left SHR - Shift Right SHRD - Double Precision Shift Right SIDT - Store Interrupt Descriptor Table Register SLDT - Store Local Descriptor Table Register Instruction and Format Encoding SMSW - Store Machine Status Word STC - Set Carry Flag STD - Set Direction Flag STI - Set Interrupt Flag STOS/STOSB/STOSW/STOSD - Store String Data STR - Store Task Register SUB - Integer Subtraction TEST - Logical Compare UD2 - Undefined instruction VERR - Verify a Segment for Reading VERW - Verify a Segment for Writing WAIT - Wait WBINVD - Writeback and Invalidate Data Cache WRMSR - Write to Model-Specific Register XADD - Exchange and Add XCHG - Exchange Register/Memory with Register XLAT/XLATB - Table Look-up Translation XOR - Logical Exclusive OR Prefix Bytes B.3.MMX INSTRUCTION FORMATS AND ENCODINGS B.3.1.Granularity Field (gg) B.3.2.MMX and General-Purpose Register Fields (mmxreg and reg) PADDUS - Add unsigned with saturation PAND - Bitwise And PANDN - Bitwise AndNot PCMPEQ - Packed compare for equality PCMPGT - Packed compare greater (signed) PMADD - Packed multiply add PMULH - Packed multiplication PMULL - Packed multiplication POR - Bitwise Or BWDQ PSLL - Packed shift left logical PSRA - Packed shift right arithmetic PSRL - Packed shift right logical PSUB - Subtract with wrap-around PSUBS - Subtract signed with saturation PSUBUS - Subtract unsigned with saturation PUNPCKH - Unpack high data to next larger type BWDQ PUNPCKL - Unpack low data to next larger type PXOR - Bitwise Xor BWDQ Prefix Type Effect on Streaming SIMD Extensions B.4.2.Notations B.4.3.Formats and Encodings CMPSS - Scalar Single-FP Compare COMISS - Scalar Ordered Single-FP compare and set EFLAGS CVTPI2PS - Packed signed INT32 to Packed Single-FP conversion CVTPS2PI - Packed Single-FP to Packed INT32 conversion CVTSI2SS - Scalar signed INT32 to Single-FP conversion CVTSS2SI - Scalar Single-FP to signed INT32 conversion CVTTPS2PI - Packed Single-FP to Packed INT32 Conversion BWDQDQ CVTTSS2SI - Scalar Single-FP to signed INT32 conversion DIVPS - Packed Single-FP Divide DIVSS - Scalar Single-FP Divide FXRSTOR - Restore FP/MMX and Streaming SIMD Extensions state FXSAVE - Store FP/MMX and Streaming SIMD Extensions state LDMXCSR - Load Streaming SIMD Extensions Technology Control/Status Register MAXPS - Packed Single-FP Maximum MAXSS - Scalar Single-FP Maximum MINPS - Packed Single-FP Minimum Instruction and Format Encoding BWDQDQ MINSS - Scalar Single-FP Minimum MOVAPS - Move Aligned Four Packed Single-FP MOVHLPS - Move High to Low Packed Single-FP MOVHPS - Move High Packed Single-FP MOVLHPS - Move Low to High Packed Single-FP MOVLPS - Move Low Packed Single-FP MOVMSKPS - Move Mask To Integer MOVSS - Move Scalar Single-FP Instruction and Format MOVUPS - Move Unaligned Four Packed Single-FP MULPS - Packed Single-FP Multiply MULSS - Scalar Single-FP Multiply ORPS: Bit-wise Logical OR for Single-FP Data RCPPS - Packed Single-FP Reciprocal RCPSS - Scalar Single-FP Reciprocal RSQRTPS - Packed Single-FP Square Root Reciprocal RSQRTSS - Scalar Single-FP Square Root Reciprocal SHUFPS - Shuffle Single-FP SQRTPS - Packed Single-FP Square Root SQRTSS - Scalar Single-FP Square Root STMXCSR - Store Streaming SIMD Extensions Technology Control/Status Register SUBPS: Packed Single-FP Subtract SUBSS: Scalar Single-FP Subtract UCOMISS: Unordered Scalar Single-FP compare and set EFLAGS UNPCKHPS: Unpack High Packed Single-FP Data UNPCKLPS: Unpack Low Packed Single-FP Data XORPS: Bit-wise Logical Xor for Single-FP Data PAVGB/PAVGW - Packed Average PEXTRW - Extract Word PINSRW - Insert Word PMAXSW - Packed Signed Integer Word Maximum PMAXUB - Packed Unsigned Integer Byte Maximum PMINSW - Packed Signed Integer Word Minimum PMINUB - Packed Unsigned Integer Byte Minimum PMOVMSKB - Move Byte Mask To Integer B.5.FLOATING-POINT INSTRUCTION FORMATS AND ENCODINGS F2XM1 - Compute 2 - 1 FABS - Absolute Value FADD - Add FADDP - Add and Pop FBLD - Load Binary Coded Decimal FBSTP - Store Binary Coded Decimal and Pop FCHS - Change Sign FCLEX - Clear Exceptions FCMOVcc - Conditional Move on EFLAG Register Condition Codes FCOM - Compare Real FCOMP - Compare Real and Pop FCOMPP - Compare Real and Pop Twice FCOMI - Compare Real and Set EFLAGS FCOMIP - Compare Real, Set EFLAGS, and Pop11011 111 : 11 110 ST(i) FCOS - Cosine of ST(0) FDECSTP - Decrement Stack-Top Pointer FDIV - Divide FDIVP - Divide and Pop FDIVR - Reverse Divide FDIVRP - Reverse Divide and Pop FFREE - Free ST(i) Register FIADD - Add Integer FICOM - Compare Integer FICOMP - Compare Integer and Pop FIDIV FIDIVR FILD - Load Integer FIMUL FINCSTP - Increment Stack Pointer FINIT - Initialize Floating-Point Unit FIST - Store Integer FISTP - Store Integer and Pop FISUB FISUBR FLD - Load Real FLD1 - Load +1.0 into ST(0) FLDCW - Load Control Word FLDENV - Load FPU Environment FLDL2E - Load log() into ST(0) FLDL2T - Load log(10) into ST(0) FLDLG2 - Load log(2) into ST(0) FLDLN2 - Load log(2) into ST(0) FLDPI - Load into ST(0) FLDZ - Load +0.0 into ST(0) FMUL - Multiply FMULP - Multiply FNOP - No Operation FPATAN - Partial Arctangent FPREM - Partial Remainder FPREM1 - Partial Remainder (IEEE) FPTAN - Partial Tangent FRNDINT - Round to Integer FRSTOR - Restore FPU State FSAVE - Store FPU State FSCALE - Scale FSIN - Sine FSINCOS - Sine and Cosine FSQRT - Square Root FST - Store Real FSTCW - Store Control Word FSTENV - Store FPU Environment FSTP - Store Real and Pop FSTSW - Store Status Word into AX FSTSW - Store Status Word into Memory FSUB - Subtract FSUBP - Subtract and Pop FSUBR - Reverse Subtract FSUBRP - Reverse Subtract and Pop FTST - Test FUCOM - Unordered Compare Real FUCOMP - Unordered Compare Real and Pop11011 101 : 1110 1 ST(i) FUCOMPP - Unordered Compare Real and Pop Twice FUCOMI - Unordered Compare Real and Set EFLAGS FUCOMIP - Unordered Compare Real, Set EFLAGS, and Pop FXAM - Examine FXCH - Exchange ST(0) and ST(i) FXTRACT - Extract Exponent and Significand11011 001 : 1111 0100 FYL2X - ST(1) log(ST(0)) FYL2XP1 - ST(1) log(ST(0) + 1.0) FWAIT - Wait until FPU Ready APPENDIX C. COMPILER INTRINSICS AND FUNCTIONAL EQUIVALENTS INDEX A - B - C INDEX D - E - F INDEX G INDEX H - I - J - L - M INDEX N - O - P INDEX Q - R INDEX S - T INDEX U - V - W - X - Z