|  | //===- 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))]>; | 
|  |  | 
|  | // The long form of "int $3" turns into int3 as a size optimization. | 
|  | // FIXME: This doesn't work because InstAlias can't match immediate constants. | 
|  | //def : InstAlias<"int\t$3", (INT3)>; | 
|  |  | 
|  |  | 
|  | def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$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$addr", []>, TB; | 
|  |  | 
|  | def STR16r : I<0x00, MRM1r, (outs GR16:$dst), (ins), | 
|  | "str{w}\t{$dst}", []>, TB, OpSize; | 
|  | def STR32r : I<0x00, MRM1r, (outs GR32:$dst), (ins), | 
|  | "str{l}\t{$dst}", []>, TB; | 
|  | def STR64r : RI<0x00, MRM1r, (outs GR64:$dst), (ins), | 
|  | "str{q}\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|CS}", []>, Requires<[In32BitMode]>, OpSize; | 
|  | def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%cs|CS}", []>, Requires<[In32BitMode]>; | 
|  | def PUSHSS16 : I<0x16, RawFrm, (outs), (ins), | 
|  | "push{w}\t{%ss|SS}", []>, Requires<[In32BitMode]>, OpSize; | 
|  | def PUSHSS32 : I<0x16, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%ss|SS}", []>, Requires<[In32BitMode]>; | 
|  | def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins), | 
|  | "push{w}\t{%ds|DS}", []>, Requires<[In32BitMode]>, OpSize; | 
|  | def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%ds|DS}", []>, Requires<[In32BitMode]>; | 
|  | def PUSHES16 : I<0x06, RawFrm, (outs), (ins), | 
|  | "push{w}\t{%es|ES}", []>, Requires<[In32BitMode]>, OpSize; | 
|  | def PUSHES32 : I<0x06, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%es|ES}", []>, Requires<[In32BitMode]>; | 
|  |  | 
|  | def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins), | 
|  | "push{w}\t{%fs|FS}", []>, OpSize, TB; | 
|  | def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%fs|FS}", []>, TB, Requires<[In32BitMode]>; | 
|  | def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins), | 
|  | "push{w}\t{%gs|GS}", []>, OpSize, TB; | 
|  | def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins), | 
|  | "push{l}\t{%gs|GS}", []>, TB, Requires<[In32BitMode]>; | 
|  |  | 
|  | def PUSHFS64 : I<0xa0, RawFrm, (outs), (ins), | 
|  | "push{q}\t{%fs|FS}", []>, TB; | 
|  | def PUSHGS64 : I<0xa8, RawFrm, (outs), (ins), | 
|  | "push{q}\t{%gs|GS}", []>, TB; | 
|  |  | 
|  | // No "pop cs" instruction. | 
|  | def POPSS16 : I<0x17, RawFrm, (outs), (ins), | 
|  | "pop{w}\t{%ss|SS}", []>, OpSize, Requires<[In32BitMode]>; | 
|  | def POPSS32 : I<0x17, RawFrm, (outs), (ins), | 
|  | "pop{l}\t{%ss|SS}", []>        , Requires<[In32BitMode]>; | 
|  |  | 
|  | def POPDS16 : I<0x1F, RawFrm, (outs), (ins), | 
|  | "pop{w}\t{%ds|DS}", []>, OpSize, Requires<[In32BitMode]>; | 
|  | def POPDS32 : I<0x1F, RawFrm, (outs), (ins), | 
|  | "pop{l}\t{%ds|DS}", []>        , Requires<[In32BitMode]>; | 
|  |  | 
|  | def POPES16 : I<0x07, RawFrm, (outs), (ins), | 
|  | "pop{w}\t{%es|ES}", []>, OpSize, Requires<[In32BitMode]>; | 
|  | def POPES32 : I<0x07, RawFrm, (outs), (ins), | 
|  | "pop{l}\t{%es|ES}", []>        , Requires<[In32BitMode]>; | 
|  |  | 
|  | def POPFS16 : I<0xa1, RawFrm, (outs), (ins), | 
|  | "pop{w}\t{%fs|FS}", []>, OpSize, TB; | 
|  | def POPFS32 : I<0xa1, RawFrm, (outs), (ins), | 
|  | "pop{l}\t{%fs|FS}", []>, TB    , Requires<[In32BitMode]>; | 
|  | def POPFS64 : I<0xa1, RawFrm, (outs), (ins), | 
|  | "pop{q}\t{%fs|FS}", []>, TB; | 
|  |  | 
|  | def POPGS16 : I<0xa9, RawFrm, (outs), (ins), | 
|  | "pop{w}\t{%gs|GS}", []>, OpSize, TB; | 
|  | def POPGS32 : I<0xa9, RawFrm, (outs), (ins), | 
|  | "pop{l}\t{%gs|GS}", []>, TB    , Requires<[In32BitMode]>; | 
|  | def POPGS64 : I<0xa9, RawFrm, (outs), (ins), | 
|  | "pop{q}\t{%gs|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$src", []>, TB; | 
|  |  | 
|  | def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Cache instructions | 
|  | def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB; | 
|  | def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // XSAVE instructions | 
|  | let Defs = [RDX, RAX], Uses = [RCX] in | 
|  | def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, TB; | 
|  |  | 
|  | let Uses = [RDX, RAX, RCX] in | 
|  | def XSETBV : I<0x01, MRM_D1, (outs), (ins), "xsetbv", []>, TB; | 
|  |  | 
|  | let Uses = [RDX, RAX] in { | 
|  | def XSAVE : I<0xAE, MRM4m, (outs opaque512mem:$dst), (ins), | 
|  | "xsave\t$dst", []>, TB; | 
|  | def XSAVE64 : I<0xAE, MRM4m, (outs opaque512mem:$dst), (ins), | 
|  | "xsaveq\t$dst", []>, TB, REX_W, Requires<[In64BitMode]>; | 
|  | def XRSTOR : I<0xAE, MRM5m, (outs), (ins opaque512mem:$dst), | 
|  | "xrstor\t$dst", []>, TB; | 
|  | def XRSTOR64 : I<0xAE, MRM5m, (outs), (ins opaque512mem:$dst), | 
|  | "xrstorq\t$dst", []>, TB, REX_W, Requires<[In64BitMode]>; | 
|  | def XSAVEOPT : I<0xAE, MRM6m, (outs opaque512mem:$dst), (ins), | 
|  | "xsaveopt\t$dst", []>, TB; | 
|  | def XSAVEOPT64 : I<0xAE, MRM6m, (outs opaque512mem:$dst), (ins), | 
|  | "xsaveoptq\t$dst", []>, TB, REX_W, Requires<[In64BitMode]>; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // VIA PadLock crypto instructions | 
|  | let Defs = [RAX, RDI], Uses = [RDX, RDI] in | 
|  | def XSTORE : I<0xc0, RawFrm, (outs), (ins), "xstore", []>, A7; | 
|  |  | 
|  | def : InstAlias<"xstorerng", (XSTORE)>; | 
|  |  | 
|  | let Defs = [RSI, RDI], Uses = [RBX, RDX, RSI, RDI] in { | 
|  | def XCRYPTECB : I<0xc8, RawFrm, (outs), (ins), "xcryptecb", []>, A7; | 
|  | def XCRYPTCBC : I<0xd0, RawFrm, (outs), (ins), "xcryptcbc", []>, A7; | 
|  | def XCRYPTCTR : I<0xd8, RawFrm, (outs), (ins), "xcryptctr", []>, A7; | 
|  | def XCRYPTCFB : I<0xe0, RawFrm, (outs), (ins), "xcryptcfb", []>, A7; | 
|  | def XCRYPTOFB : I<0xe8, RawFrm, (outs), (ins), "xcryptofb", []>, A7; | 
|  | } | 
|  |  | 
|  | let Defs = [RAX, RSI, RDI], Uses = [RAX, RSI, RDI] in { | 
|  | def XSHA1 : I<0xc8, RawFrm, (outs), (ins), "xsha1", []>, A6; | 
|  | def XSHA256 : I<0xd0, RawFrm, (outs), (ins), "xsha256", []>, A6; | 
|  | } | 
|  | let Defs = [RAX, RDX, RSI], Uses = [RAX, RSI] in | 
|  | def MONTMUL : I<0xc0, RawFrm, (outs), (ins), "montmul", []>, A6; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // FS/GS Base Instructions | 
|  | let Predicates = [In64BitMode] in { | 
|  | def RDFSBASE : I<0xAE, MRM0r, (outs GR32:$dst), (ins), | 
|  | "rdfsbase{l}\t$dst", []>, TB, XS; | 
|  | def RDFSBASE64 : RI<0xAE, MRM0r, (outs GR64:$dst), (ins), | 
|  | "rdfsbase{q}\t$dst", []>, TB, XS; | 
|  | def RDGSBASE : I<0xAE, MRM1r, (outs GR32:$dst), (ins), | 
|  | "rdgsbase{l}\t$dst", []>, TB, XS; | 
|  | def RDGSBASE64 : RI<0xAE, MRM1r, (outs GR64:$dst), (ins), | 
|  | "rdgsbase{q}\t$dst", []>, TB, XS; | 
|  | def WRFSBASE : I<0xAE, MRM2r, (outs), (ins GR32:$dst), | 
|  | "wrfsbase{l}\t$dst", []>, TB, XS; | 
|  | def WRFSBASE64 : RI<0xAE, MRM2r, (outs), (ins GR64:$dst), | 
|  | "wrfsbase{q}\t$dst", []>, TB, XS; | 
|  | def WRGSBASE : I<0xAE, MRM3r, (outs), (ins GR32:$dst), | 
|  | "wrgsbase{l}\t$dst", []>, TB, XS; | 
|  | def WRGSBASE64 : RI<0xAE, MRM3r, (outs), (ins GR64:$dst), | 
|  | "wrgsbase{q}\t$dst", []>, TB, XS; | 
|  | } |