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diff --git a/contrib/llvm/lib/Target/X86/X86InstrSystem.td b/contrib/llvm/lib/Target/X86/X86InstrSystem.td
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+++ b/contrib/llvm/lib/Target/X86/X86InstrSystem.td
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+//===- X86InstrSystem.td - System Instructions -------------*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the X86 instructions that are generally used in
+// privileged modes. These are not typically used by the compiler, but are
+// supported for the assembler and disassembler.
+//
+//===----------------------------------------------------------------------===//
+
+let Defs = [RAX, RDX] in
+ def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>, TB;
+
+let Defs = [RAX, RCX, RDX] in
+ def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
+
+// CPU flow control instructions
+
+let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
+ def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
+ def UD2B : I<0xB9, RawFrm, (outs), (ins), "ud2b", []>, TB;
+}
+
+def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
+def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
+
+// Interrupt and SysCall Instructions.
+let Uses = [EFLAGS] in
+ def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
+def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3",
+ [(int_x86_int (i8 3))]>;
+def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
+ [(int_x86_int imm:$trap)]>;
+
+def SYSCALL : I<0x05, RawFrm, (outs), (ins), "syscall", []>, TB;
+def SYSRETL : I<0x07, RawFrm, (outs), (ins), "sysretl", []>, TB;
+def SYSRETQ :RI<0x07, RawFrm, (outs), (ins), "sysretq", []>, TB,
+ Requires<[In64BitMode]>;
+
+def SYSENTER : I<0x34, RawFrm, (outs), (ins), "sysenter", []>, TB;
+
+def SYSEXIT : I<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
+ Requires<[In32BitMode]>;
+def SYSEXIT64 :RI<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
+ Requires<[In64BitMode]>;
+
+def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iretw", []>, OpSize;
+def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l|d}", []>;
+def IRET64 : RI<0xcf, RawFrm, (outs), (ins), "iretq", []>,
+ Requires<[In64BitMode]>;
+
+
+//===----------------------------------------------------------------------===//
+// Input/Output Instructions.
+//
+let Defs = [AL], Uses = [DX] in
+def IN8rr : I<0xEC, RawFrm, (outs), (ins),
+ "in{b}\t{%dx, %al|%AL, %DX}", []>;
+let Defs = [AX], Uses = [DX] in
+def IN16rr : I<0xED, RawFrm, (outs), (ins),
+ "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
+let Defs = [EAX], Uses = [DX] in
+def IN32rr : I<0xED, RawFrm, (outs), (ins),
+ "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
+
+let Defs = [AL] in
+def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i8imm:$port),
+ "in{b}\t{$port, %al|%AL, $port}", []>;
+let Defs = [AX] in
+def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
+ "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
+let Defs = [EAX] in
+def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
+ "in{l}\t{$port, %eax|%EAX, $port}", []>;
+
+let Uses = [DX, AL] in
+def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
+ "out{b}\t{%al, %dx|%DX, %AL}", []>;
+let Uses = [DX, AX] in
+def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
+ "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
+let Uses = [DX, EAX] in
+def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
+ "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
+
+let Uses = [AL] in
+def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i8imm:$port),
+ "out{b}\t{%al, $port|$port, %AL}", []>;
+let Uses = [AX] in
+def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
+ "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
+let Uses = [EAX] in
+def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
+ "out{l}\t{%eax, $port|$port, %EAX}", []>;
+
+def IN8 : I<0x6C, RawFrm, (outs), (ins), "ins{b}", []>;
+def IN16 : I<0x6D, RawFrm, (outs), (ins), "ins{w}", []>, OpSize;
+def IN32 : I<0x6D, RawFrm, (outs), (ins), "ins{l}", []>;
+
+//===----------------------------------------------------------------------===//
+// Moves to and from debug registers
+
+def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def MOV64rd : I<0x21, MRMDestReg, (outs GR64:$dst), (ins DEBUG_REG:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def MOV64dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR64:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+//===----------------------------------------------------------------------===//
+// Moves to and from control registers
+
+def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def MOV64rc : I<0x20, MRMDestReg, (outs GR64:$dst), (ins CONTROL_REG:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def MOV64cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR64:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+//===----------------------------------------------------------------------===//
+// Segment override instruction prefixes
+
+def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
+def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
+def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
+def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
+def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
+def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
+
+
+//===----------------------------------------------------------------------===//
+// Moves to and from segment registers.
+//
+
+def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
+ "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>;
+def MOV64rs : RI<0x8C, MRMDestReg, (outs GR64:$dst), (ins SEGMENT_REG:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>;
+
+def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
+ "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>;
+def MOV64ms : RI<0x8C, MRMDestMem, (outs i64mem:$dst), (ins SEGMENT_REG:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>;
+
+def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
+ "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>;
+def MOV64sr : RI<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR64:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>;
+
+def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
+ "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
+ "mov{l}\t{$src, $dst|$dst, $src}", []>;
+def MOV64sm : RI<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i64mem:$src),
+ "mov{q}\t{$src, $dst|$dst, $src}", []>;
+
+//===----------------------------------------------------------------------===//
+// Segmentation support instructions.
+
+def SWAPGS : I<0x01, MRM_F8, (outs), (ins), "swapgs", []>, TB;
+
+def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
+ "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
+ "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+
+// i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
+def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
+ "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
+ "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
+// i16mem operand in LAR64rm and GR32 operand in LAR32rr is not a typo.
+def LAR64rm : RI<0x02, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
+ "lar{q}\t{$src, $dst|$dst, $src}", []>, TB;
+def LAR64rr : RI<0x02, MRMSrcReg, (outs GR64:$dst), (ins GR32:$src),
+ "lar{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
+ "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
+ "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
+ "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
+ "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def LSL64rm : RI<0x03, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
+ "lsl{q}\t{$src, $dst|$dst, $src}", []>, TB;
+def LSL64rr : RI<0x03, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
+ "lsl{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
+
+def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
+ "str{w}\t{$dst}", []>, TB;
+def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
+ "str{w}\t{$dst}", []>, TB;
+def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
+ "ltr{w}\t{$src}", []>, TB;
+def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
+ "ltr{w}\t{$src}", []>, TB;
+
+def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins),
+ "push{w}\t%cs", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins),
+ "push{l}\t%cs", []>, Requires<[In32BitMode]>;
+def PUSHSS16 : I<0x16, RawFrm, (outs), (ins),
+ "push{w}\t%ss", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHSS32 : I<0x16, RawFrm, (outs), (ins),
+ "push{l}\t%ss", []>, Requires<[In32BitMode]>;
+def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins),
+ "push{w}\t%ds", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins),
+ "push{l}\t%ds", []>, Requires<[In32BitMode]>;
+def PUSHES16 : I<0x06, RawFrm, (outs), (ins),
+ "push{w}\t%es", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHES32 : I<0x06, RawFrm, (outs), (ins),
+ "push{l}\t%es", []>, Requires<[In32BitMode]>;
+
+def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
+ "push{w}\t%fs", []>, OpSize, TB;
+def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
+ "push{l}\t%fs", []>, TB, Requires<[In32BitMode]>;
+def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
+ "push{w}\t%gs", []>, OpSize, TB;
+def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
+ "push{l}\t%gs", []>, TB, Requires<[In32BitMode]>;
+
+def PUSHFS64 : I<0xa0, RawFrm, (outs), (ins),
+ "push{q}\t%fs", []>, TB;
+def PUSHGS64 : I<0xa8, RawFrm, (outs), (ins),
+ "push{q}\t%gs", []>, TB;
+
+// No "pop cs" instruction.
+def POPSS16 : I<0x17, RawFrm, (outs), (ins),
+ "pop{w}\t%ss", []>, OpSize, Requires<[In32BitMode]>;
+def POPSS32 : I<0x17, RawFrm, (outs), (ins),
+ "pop{l}\t%ss", []> , Requires<[In32BitMode]>;
+
+def POPDS16 : I<0x1F, RawFrm, (outs), (ins),
+ "pop{w}\t%ds", []>, OpSize, Requires<[In32BitMode]>;
+def POPDS32 : I<0x1F, RawFrm, (outs), (ins),
+ "pop{l}\t%ds", []> , Requires<[In32BitMode]>;
+
+def POPES16 : I<0x07, RawFrm, (outs), (ins),
+ "pop{w}\t%es", []>, OpSize, Requires<[In32BitMode]>;
+def POPES32 : I<0x07, RawFrm, (outs), (ins),
+ "pop{l}\t%es", []> , Requires<[In32BitMode]>;
+
+def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
+ "pop{w}\t%fs", []>, OpSize, TB;
+def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
+ "pop{l}\t%fs", []>, TB , Requires<[In32BitMode]>;
+def POPFS64 : I<0xa1, RawFrm, (outs), (ins),
+ "pop{q}\t%fs", []>, TB;
+
+def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
+ "pop{w}\t%gs", []>, OpSize, TB;
+def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
+ "pop{l}\t%gs", []>, TB , Requires<[In32BitMode]>;
+def POPGS64 : I<0xa9, RawFrm, (outs), (ins),
+ "pop{q}\t%gs", []>, TB;
+
+
+def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
+ "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
+ "lds{l}\t{$src, $dst|$dst, $src}", []>;
+
+def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
+ "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
+ "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def LSS64rm : RI<0xb2, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
+ "lss{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
+ "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
+def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
+ "les{l}\t{$src, $dst|$dst, $src}", []>;
+
+def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
+ "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
+ "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
+def LFS64rm : RI<0xb4, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
+ "lfs{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
+ "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
+def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
+ "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
+
+def LGS64rm : RI<0xb5, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
+ "lgs{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
+
+def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
+ "verr\t$seg", []>, TB;
+def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
+ "verr\t$seg", []>, TB;
+def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
+ "verw\t$seg", []>, TB;
+def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
+ "verw\t$seg", []>, TB;
+
+//===----------------------------------------------------------------------===//
+// Descriptor-table support instructions
+
+def SGDT16m : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
+ "sgdtw\t$dst", []>, TB, OpSize, Requires<[In32BitMode]>;
+def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
+ "sgdt\t$dst", []>, TB;
+def SIDT16m : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
+ "sidtw\t$dst", []>, TB, OpSize, Requires<[In32BitMode]>;
+def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
+ "sidt\t$dst", []>, TB;
+def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
+ "sldt{w}\t$dst", []>, TB, OpSize;
+def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
+ "sldt{w}\t$dst", []>, TB;
+def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins),
+ "sldt{l}\t$dst", []>, TB;
+
+// LLDT is not interpreted specially in 64-bit mode because there is no sign
+// extension.
+def SLDT64r : RI<0x00, MRM0r, (outs GR64:$dst), (ins),
+ "sldt{q}\t$dst", []>, TB;
+def SLDT64m : RI<0x00, MRM0m, (outs i16mem:$dst), (ins),
+ "sldt{q}\t$dst", []>, TB;
+
+def LGDT16m : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
+ "lgdtw\t$src", []>, TB, OpSize, Requires<[In32BitMode]>;
+def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
+ "lgdt\t$src", []>, TB;
+def LIDT16m : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
+ "lidtw\t$src", []>, TB, OpSize, Requires<[In32BitMode]>;
+def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
+ "lidt\t$src", []>, TB;
+def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
+ "lldt{w}\t$src", []>, TB;
+def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
+ "lldt{w}\t$src", []>, TB;
+
+//===----------------------------------------------------------------------===//
+// Specialized register support
+def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
+def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
+def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
+
+def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
+ "smsw{w}\t$dst", []>, OpSize, TB;
+def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
+ "smsw{l}\t$dst", []>, TB;
+// no m form encodable; use SMSW16m
+def SMSW64r : RI<0x01, MRM4r, (outs GR64:$dst), (ins),
+ "smsw{q}\t$dst", []>, TB;
+
+// For memory operands, there is only a 16-bit form
+def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
+ "smsw{w}\t$dst", []>, TB;
+
+def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
+ "lmsw{w}\t$src", []>, TB;
+def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
+ "lmsw{w}\t$src", []>, TB;
+
+def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
+
+//===----------------------------------------------------------------------===//
+// Cache instructions
+def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
+def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
+
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