forked from OSchip/llvm-project
741 lines
34 KiB
TableGen
741 lines
34 KiB
TableGen
//===-- X86InstrSystem.td - System Instructions ------------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the X86 instructions that are generally used in
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// privileged modes. These are not typically used by the compiler, but are
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// supported for the assembler and disassembler.
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//
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//===----------------------------------------------------------------------===//
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let SchedRW = [WriteSystem] in {
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let Defs = [RAX, RDX] in
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def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>, TB;
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let Defs = [RAX, RCX, RDX] in
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def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", [(X86rdtscp)]>, TB;
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// CPU flow control instructions
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let mayLoad = 1, mayStore = 0, hasSideEffects = 1 in {
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def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
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def UD2B : I<0xB9, RawFrm, (outs), (ins), "ud2b", []>, TB;
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}
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def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
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def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
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// Interrupt and SysCall Instructions.
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let Uses = [EFLAGS] in
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def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>, Requires<[Not64BitMode]>;
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def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", [(int_x86_int (i8 3))]>;
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} // SchedRW
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// The long form of "int $3" turns into int3 as a size optimization.
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// FIXME: This doesn't work because InstAlias can't match immediate constants.
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//def : InstAlias<"int\t$3", (INT3)>;
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let SchedRW = [WriteSystem] in {
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def INT : Ii8<0xcd, RawFrm, (outs), (ins u8imm:$trap), "int\t$trap",
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[(int_x86_int imm:$trap)]>;
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def SYSCALL : I<0x05, RawFrm, (outs), (ins), "syscall", []>, TB;
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def SYSRET : I<0x07, RawFrm, (outs), (ins), "sysret{l}", []>, TB;
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def SYSRET64 :RI<0x07, RawFrm, (outs), (ins), "sysretq", []>, TB,
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Requires<[In64BitMode]>;
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def SYSENTER : I<0x34, RawFrm, (outs), (ins), "sysenter", []>, TB;
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def SYSEXIT : I<0x35, RawFrm, (outs), (ins), "sysexit{l}", []>, TB;
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def SYSEXIT64 :RI<0x35, RawFrm, (outs), (ins), "sysexitq", []>, TB,
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Requires<[In64BitMode]>;
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} // SchedRW
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def : Pat<(debugtrap),
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(INT3)>, Requires<[NotPS4]>;
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def : Pat<(debugtrap),
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(INT (i8 0x41))>, Requires<[IsPS4]>;
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//===----------------------------------------------------------------------===//
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// Input/Output Instructions.
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//
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let SchedRW = [WriteSystem] in {
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let Defs = [AL], Uses = [DX] in
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def IN8rr : I<0xEC, RawFrm, (outs), (ins), "in{b}\t{%dx, %al|al, dx}", []>;
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let Defs = [AX], Uses = [DX] in
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def IN16rr : I<0xED, RawFrm, (outs), (ins), "in{w}\t{%dx, %ax|ax, dx}", []>,
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OpSize16;
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let Defs = [EAX], Uses = [DX] in
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def IN32rr : I<0xED, RawFrm, (outs), (ins), "in{l}\t{%dx, %eax|eax, dx}", []>,
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OpSize32;
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let Defs = [AL] in
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def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins u8imm:$port),
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"in{b}\t{$port, %al|al, $port}", []>;
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let Defs = [AX] in
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def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins u8imm:$port),
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"in{w}\t{$port, %ax|ax, $port}", []>, OpSize16;
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let Defs = [EAX] in
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def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins u8imm:$port),
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"in{l}\t{$port, %eax|eax, $port}", []>, OpSize32;
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let Uses = [DX, AL] in
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def OUT8rr : I<0xEE, RawFrm, (outs), (ins), "out{b}\t{%al, %dx|dx, al}", []>;
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let Uses = [DX, AX] in
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def OUT16rr : I<0xEF, RawFrm, (outs), (ins), "out{w}\t{%ax, %dx|dx, ax}", []>,
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OpSize16;
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let Uses = [DX, EAX] in
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def OUT32rr : I<0xEF, RawFrm, (outs), (ins), "out{l}\t{%eax, %dx|dx, eax}", []>,
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OpSize32;
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let Uses = [AL] in
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def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins u8imm:$port),
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"out{b}\t{%al, $port|$port, al}", []>;
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let Uses = [AX] in
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def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins u8imm:$port),
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"out{w}\t{%ax, $port|$port, ax}", []>, OpSize16;
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let Uses = [EAX] in
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def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins u8imm:$port),
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"out{l}\t{%eax, $port|$port, eax}", []>, OpSize32;
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} // SchedRW
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//===----------------------------------------------------------------------===//
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// Moves to and from debug registers
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let SchedRW = [WriteSystem] in {
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def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[Not64BitMode]>;
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def MOV64rd : I<0x21, MRMDestReg, (outs GR64:$dst), (ins DEBUG_REG:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[In64BitMode]>;
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def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[Not64BitMode]>;
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def MOV64dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR64:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[In64BitMode]>;
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} // SchedRW
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//===----------------------------------------------------------------------===//
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// Moves to and from control registers
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let SchedRW = [WriteSystem] in {
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def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[Not64BitMode]>;
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def MOV64rc : I<0x20, MRMDestReg, (outs GR64:$dst), (ins CONTROL_REG:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[In64BitMode]>;
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def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[Not64BitMode]>;
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def MOV64cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR64:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>, TB,
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Requires<[In64BitMode]>;
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} // SchedRW
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//===----------------------------------------------------------------------===//
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// Segment override instruction prefixes
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let SchedRW = [WriteNop] in {
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def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
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def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
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def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
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def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
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def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
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def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
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} // SchedRW
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//===----------------------------------------------------------------------===//
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// Moves to and from segment registers.
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//
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let SchedRW = [WriteMove] in {
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def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
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"mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize16;
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def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, OpSize32;
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def MOV64rs : RI<0x8C, MRMDestReg, (outs GR64:$dst), (ins SEGMENT_REG:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>;
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let mayStore = 1 in {
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def MOV16ms : I<0x8C, MRMDestMem, (outs), (ins i16mem:$dst, SEGMENT_REG:$src),
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"mov{w}\t{$src, $dst|$dst, $src}", []>;
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}
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def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
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"mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize16;
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def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
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"mov{l}\t{$src, $dst|$dst, $src}", []>, OpSize32;
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def MOV64sr : RI<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR64:$src),
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"mov{q}\t{$src, $dst|$dst, $src}", []>;
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let mayLoad = 1 in {
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def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
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"mov{w}\t{$src, $dst|$dst, $src}", []>;
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}
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} // SchedRW
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//===----------------------------------------------------------------------===//
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// Segmentation support instructions.
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let SchedRW = [WriteSystem] in {
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def SWAPGS : I<0x01, MRM_F8, (outs), (ins), "swapgs", []>, TB;
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let mayLoad = 1 in
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def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
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"lar{w}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize16, NotMemoryFoldable;
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def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
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"lar{w}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize16, NotMemoryFoldable;
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// i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
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let mayLoad = 1 in
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def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
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"lar{l}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize32, NotMemoryFoldable;
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def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
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"lar{l}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize32, NotMemoryFoldable;
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// i16mem operand in LAR64rm and GR32 operand in LAR64rr is not a typo.
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let mayLoad = 1 in
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def LAR64rm : RI<0x02, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
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"lar{q}\t{$src, $dst|$dst, $src}", []>, TB, NotMemoryFoldable;
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def LAR64rr : RI<0x02, MRMSrcReg, (outs GR64:$dst), (ins GR32:$src),
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"lar{q}\t{$src, $dst|$dst, $src}", []>, TB, NotMemoryFoldable;
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// i16mem operand in LSL32rm and GR32 operand in LSL32rr is not a typo.
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let mayLoad = 1 in
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def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
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"lsl{w}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize16, NotMemoryFoldable;
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def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
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"lsl{w}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize16, NotMemoryFoldable;
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// i16mem operand in LSL64rm and GR32 operand in LSL64rr is not a typo.
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let mayLoad = 1 in
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def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
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"lsl{l}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize32, NotMemoryFoldable;
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def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
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"lsl{l}\t{$src, $dst|$dst, $src}", []>, TB,
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OpSize32, NotMemoryFoldable;
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let mayLoad = 1 in
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def LSL64rm : RI<0x03, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
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"lsl{q}\t{$src, $dst|$dst, $src}", []>, TB, NotMemoryFoldable;
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def LSL64rr : RI<0x03, MRMSrcReg, (outs GR64:$dst), (ins GR32:$src),
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"lsl{q}\t{$src, $dst|$dst, $src}", []>, TB, NotMemoryFoldable;
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def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
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def STR16r : I<0x00, MRM1r, (outs GR16:$dst), (ins),
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"str{w}\t$dst", []>, TB, OpSize16;
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def STR32r : I<0x00, MRM1r, (outs GR32:$dst), (ins),
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"str{l}\t$dst", []>, TB, OpSize32;
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def STR64r : RI<0x00, MRM1r, (outs GR64:$dst), (ins),
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"str{q}\t$dst", []>, TB;
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let mayStore = 1 in
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def STRm : I<0x00, MRM1m, (outs), (ins i16mem:$dst), "str{w}\t$dst", []>, TB;
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def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src), "ltr{w}\t$src", []>, TB, NotMemoryFoldable;
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let mayLoad = 1 in
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def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src), "ltr{w}\t$src", []>, TB, NotMemoryFoldable;
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def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins), "push{w}\t{%cs|cs}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins), "push{l}\t{%cs|cs}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHSS16 : I<0x16, RawFrm, (outs), (ins), "push{w}\t{%ss|ss}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def PUSHSS32 : I<0x16, RawFrm, (outs), (ins), "push{l}\t{%ss|ss}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins), "push{w}\t{%ds|ds}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins), "push{l}\t{%ds|ds}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHES16 : I<0x06, RawFrm, (outs), (ins), "push{w}\t{%es|es}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def PUSHES32 : I<0x06, RawFrm, (outs), (ins), "push{l}\t{%es|es}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins), "push{w}\t{%fs|fs}", []>,
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OpSize16, TB;
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def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins), "push{l}\t{%fs|fs}", []>, TB,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins), "push{w}\t{%gs|gs}", []>,
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OpSize16, TB;
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def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins), "push{l}\t{%gs|gs}", []>, TB,
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OpSize32, Requires<[Not64BitMode]>;
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def PUSHFS64 : I<0xa0, RawFrm, (outs), (ins), "push{q}\t{%fs|fs}", []>, TB,
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OpSize32, Requires<[In64BitMode]>;
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def PUSHGS64 : I<0xa8, RawFrm, (outs), (ins), "push{q}\t{%gs|gs}", []>, TB,
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OpSize32, Requires<[In64BitMode]>;
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// No "pop cs" instruction.
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def POPSS16 : I<0x17, RawFrm, (outs), (ins), "pop{w}\t{%ss|ss}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def POPSS32 : I<0x17, RawFrm, (outs), (ins), "pop{l}\t{%ss|ss}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def POPDS16 : I<0x1F, RawFrm, (outs), (ins), "pop{w}\t{%ds|ds}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def POPDS32 : I<0x1F, RawFrm, (outs), (ins), "pop{l}\t{%ds|ds}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def POPES16 : I<0x07, RawFrm, (outs), (ins), "pop{w}\t{%es|es}", []>,
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OpSize16, Requires<[Not64BitMode]>;
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def POPES32 : I<0x07, RawFrm, (outs), (ins), "pop{l}\t{%es|es}", []>,
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OpSize32, Requires<[Not64BitMode]>;
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def POPFS16 : I<0xa1, RawFrm, (outs), (ins), "pop{w}\t{%fs|fs}", []>,
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OpSize16, TB;
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def POPFS32 : I<0xa1, RawFrm, (outs), (ins), "pop{l}\t{%fs|fs}", []>, TB,
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OpSize32, Requires<[Not64BitMode]>;
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def POPFS64 : I<0xa1, RawFrm, (outs), (ins), "pop{q}\t{%fs|fs}", []>, TB,
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OpSize32, Requires<[In64BitMode]>;
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def POPGS16 : I<0xa9, RawFrm, (outs), (ins), "pop{w}\t{%gs|gs}", []>,
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OpSize16, TB;
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def POPGS32 : I<0xa9, RawFrm, (outs), (ins), "pop{l}\t{%gs|gs}", []>, TB,
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OpSize32, Requires<[Not64BitMode]>;
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def POPGS64 : I<0xa9, RawFrm, (outs), (ins), "pop{q}\t{%gs|gs}", []>, TB,
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OpSize32, Requires<[In64BitMode]>;
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def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaquemem:$src),
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"lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize16,
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Requires<[Not64BitMode]>;
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def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaquemem:$src),
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"lds{l}\t{$src, $dst|$dst, $src}", []>, OpSize32,
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Requires<[Not64BitMode]>;
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def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaquemem:$src),
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"lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16;
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def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaquemem:$src),
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"lss{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32;
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def LSS64rm : RI<0xb2, MRMSrcMem, (outs GR64:$dst), (ins opaquemem:$src),
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"lss{q}\t{$src, $dst|$dst, $src}", []>, TB;
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def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaquemem:$src),
|
|
"les{w}\t{$src, $dst|$dst, $src}", []>, OpSize16,
|
|
Requires<[Not64BitMode]>;
|
|
def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaquemem:$src),
|
|
"les{l}\t{$src, $dst|$dst, $src}", []>, OpSize32,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaquemem:$src),
|
|
"lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16;
|
|
def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaquemem:$src),
|
|
"lfs{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32;
|
|
def LFS64rm : RI<0xb4, MRMSrcMem, (outs GR64:$dst), (ins opaquemem:$src),
|
|
"lfs{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
|
|
def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaquemem:$src),
|
|
"lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16;
|
|
def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaquemem:$src),
|
|
"lgs{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32;
|
|
|
|
def LGS64rm : RI<0xb5, MRMSrcMem, (outs GR64:$dst), (ins opaquemem:$src),
|
|
"lgs{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
|
|
def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg), "verr\t$seg", []>, TB, NotMemoryFoldable;
|
|
def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg), "verw\t$seg", []>, TB, NotMemoryFoldable;
|
|
let mayLoad = 1 in {
|
|
def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg), "verr\t$seg", []>, TB, NotMemoryFoldable;
|
|
def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg), "verw\t$seg", []>, TB, NotMemoryFoldable;
|
|
}
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Descriptor-table support instructions
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
def SGDT16m : I<0x01, MRM0m, (outs), (ins opaquemem:$dst),
|
|
"sgdtw\t$dst", []>, TB, OpSize16, Requires<[Not64BitMode]>;
|
|
def SGDT32m : I<0x01, MRM0m, (outs), (ins opaquemem:$dst),
|
|
"sgdt{l|d}\t$dst", []>, OpSize32, TB, Requires <[Not64BitMode]>;
|
|
def SGDT64m : I<0x01, MRM0m, (outs), (ins opaquemem:$dst),
|
|
"sgdt{q}\t$dst", []>, TB, Requires <[In64BitMode]>;
|
|
def SIDT16m : I<0x01, MRM1m, (outs), (ins opaquemem:$dst),
|
|
"sidtw\t$dst", []>, TB, OpSize16, Requires<[Not64BitMode]>;
|
|
def SIDT32m : I<0x01, MRM1m, (outs), (ins opaquemem:$dst),
|
|
"sidt{l|d}\t$dst", []>, OpSize32, TB, Requires <[Not64BitMode]>;
|
|
def SIDT64m : I<0x01, MRM1m, (outs), (ins opaquemem:$dst),
|
|
"sidt{q}\t$dst", []>, TB, Requires <[In64BitMode]>;
|
|
def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
|
|
"sldt{w}\t$dst", []>, TB, OpSize16;
|
|
let mayStore = 1 in
|
|
def SLDT16m : I<0x00, MRM0m, (outs), (ins i16mem:$dst),
|
|
"sldt{w}\t$dst", []>, TB;
|
|
def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins),
|
|
"sldt{l}\t$dst", []>, OpSize32, TB;
|
|
|
|
// LLDT is not interpreted specially in 64-bit mode because there is no sign
|
|
// extension.
|
|
def SLDT64r : RI<0x00, MRM0r, (outs GR64:$dst), (ins),
|
|
"sldt{q}\t$dst", []>, TB, Requires<[In64BitMode]>;
|
|
|
|
def LGDT16m : I<0x01, MRM2m, (outs), (ins opaquemem:$src),
|
|
"lgdtw\t$src", []>, TB, OpSize16, Requires<[Not64BitMode]>;
|
|
def LGDT32m : I<0x01, MRM2m, (outs), (ins opaquemem:$src),
|
|
"lgdt{l|d}\t$src", []>, OpSize32, TB, Requires<[Not64BitMode]>;
|
|
def LGDT64m : I<0x01, MRM2m, (outs), (ins opaquemem:$src),
|
|
"lgdt{q}\t$src", []>, TB, Requires<[In64BitMode]>;
|
|
def LIDT16m : I<0x01, MRM3m, (outs), (ins opaquemem:$src),
|
|
"lidtw\t$src", []>, TB, OpSize16, Requires<[Not64BitMode]>;
|
|
def LIDT32m : I<0x01, MRM3m, (outs), (ins opaquemem:$src),
|
|
"lidt{l|d}\t$src", []>, OpSize32, TB, Requires<[Not64BitMode]>;
|
|
def LIDT64m : I<0x01, MRM3m, (outs), (ins opaquemem:$src),
|
|
"lidt{q}\t$src", []>, TB, Requires<[In64BitMode]>;
|
|
def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
|
|
"lldt{w}\t$src", []>, TB, NotMemoryFoldable;
|
|
let mayLoad = 1 in
|
|
def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
|
|
"lldt{w}\t$src", []>, TB, NotMemoryFoldable;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Specialized register support
|
|
let SchedRW = [WriteSystem] in {
|
|
let Uses = [EAX, ECX, EDX] in
|
|
def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
|
|
let Defs = [EAX, EDX], Uses = [ECX] in
|
|
def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
|
|
|
|
let Defs = [RAX, RDX], Uses = [ECX] in
|
|
def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", [(X86rdpmc)]>, TB;
|
|
|
|
def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
|
|
"smsw{w}\t$dst", []>, OpSize16, TB;
|
|
def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
|
|
"smsw{l}\t$dst", []>, OpSize32, TB;
|
|
// no m form encodable; use SMSW16m
|
|
def SMSW64r : RI<0x01, MRM4r, (outs GR64:$dst), (ins),
|
|
"smsw{q}\t$dst", []>, TB;
|
|
|
|
// For memory operands, there is only a 16-bit form
|
|
def SMSW16m : I<0x01, MRM4m, (outs), (ins i16mem:$dst),
|
|
"smsw{w}\t$dst", []>, TB;
|
|
|
|
def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
|
|
"lmsw{w}\t$src", []>, TB, NotMemoryFoldable;
|
|
let mayLoad = 1 in
|
|
def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
|
|
"lmsw{w}\t$src", []>, TB, NotMemoryFoldable;
|
|
|
|
let Defs = [EAX, EBX, ECX, EDX], Uses = [EAX, ECX] in
|
|
def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Cache instructions
|
|
let SchedRW = [WriteSystem] in {
|
|
def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
|
|
def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", [(int_x86_wbinvd)]>, TB;
|
|
|
|
// wbnoinvd is like wbinvd, except without invalidation
|
|
// encoding: like wbinvd + an 0xF3 prefix
|
|
def WBNOINVD : I<0x09, RawFrm, (outs), (ins), "wbnoinvd",
|
|
[(int_x86_wbnoinvd)]>, XS,
|
|
Requires<[HasWBNOINVD]>;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CET instructions
|
|
// Use with caution, availability is not predicated on features.
|
|
let SchedRW = [WriteSystem] in {
|
|
let Uses = [SSP] in {
|
|
let Defs = [SSP] in {
|
|
def INCSSPD : I<0xAE, MRM5r, (outs), (ins GR32:$src), "incsspd\t$src",
|
|
[(int_x86_incsspd GR32:$src)]>, XS;
|
|
def INCSSPQ : RI<0xAE, MRM5r, (outs), (ins GR64:$src), "incsspq\t$src",
|
|
[(int_x86_incsspq GR64:$src)]>, XS;
|
|
} // Defs SSP
|
|
|
|
let Constraints = "$src = $dst" in {
|
|
def RDSSPD : I<0x1E, MRM1r, (outs GR32:$dst), (ins GR32:$src),
|
|
"rdsspd\t$dst",
|
|
[(set GR32:$dst, (int_x86_rdsspd GR32:$src))]>, XS;
|
|
def RDSSPQ : RI<0x1E, MRM1r, (outs GR64:$dst), (ins GR64:$src),
|
|
"rdsspq\t$dst",
|
|
[(set GR64:$dst, (int_x86_rdsspq GR64:$src))]>, XS;
|
|
}
|
|
|
|
let Defs = [SSP] in {
|
|
def SAVEPREVSSP : I<0x01, MRM_EA, (outs), (ins), "saveprevssp",
|
|
[(int_x86_saveprevssp)]>, XS;
|
|
def RSTORSSP : I<0x01, MRM5m, (outs), (ins i32mem:$src),
|
|
"rstorssp\t$src",
|
|
[(int_x86_rstorssp addr:$src)]>, XS;
|
|
} // Defs SSP
|
|
} // Uses SSP
|
|
|
|
def WRSSD : I<0xF6, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"wrssd\t{$src, $dst|$dst, $src}",
|
|
[(int_x86_wrssd GR32:$src, addr:$dst)]>, T8PS;
|
|
def WRSSQ : RI<0xF6, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"wrssq\t{$src, $dst|$dst, $src}",
|
|
[(int_x86_wrssq GR64:$src, addr:$dst)]>, T8PS;
|
|
def WRUSSD : I<0xF5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"wrussd\t{$src, $dst|$dst, $src}",
|
|
[(int_x86_wrussd GR32:$src, addr:$dst)]>, T8PD;
|
|
def WRUSSQ : RI<0xF5, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"wrussq\t{$src, $dst|$dst, $src}",
|
|
[(int_x86_wrussq GR64:$src, addr:$dst)]>, T8PD;
|
|
|
|
let Defs = [SSP] in {
|
|
let Uses = [SSP] in {
|
|
def SETSSBSY : I<0x01, MRM_E8, (outs), (ins), "setssbsy",
|
|
[(int_x86_setssbsy)]>, XS;
|
|
} // Uses SSP
|
|
|
|
def CLRSSBSY : I<0xAE, MRM6m, (outs), (ins i32mem:$src),
|
|
"clrssbsy\t$src",
|
|
[(int_x86_clrssbsy addr:$src)]>, XS;
|
|
} // Defs SSP
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
def ENDBR64 : I<0x1E, MRM_FA, (outs), (ins), "endbr64", []>, XS;
|
|
def ENDBR32 : I<0x1E, MRM_FB, (outs), (ins), "endbr32", []>, XS;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// XSAVE instructions
|
|
let SchedRW = [WriteSystem] in {
|
|
let Predicates = [HasXSAVE] in {
|
|
let Defs = [EDX, EAX], Uses = [ECX] in
|
|
def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, TB;
|
|
|
|
let Uses = [EDX, EAX, ECX] in
|
|
def XSETBV : I<0x01, MRM_D1, (outs), (ins),
|
|
"xsetbv",
|
|
[(int_x86_xsetbv ECX, EDX, EAX)]>, TB;
|
|
|
|
} // HasXSAVE
|
|
|
|
let Uses = [EDX, EAX] in {
|
|
def XSAVE : I<0xAE, MRM4m, (outs), (ins opaquemem:$dst),
|
|
"xsave\t$dst",
|
|
[(int_x86_xsave addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVE]>;
|
|
def XSAVE64 : RI<0xAE, MRM4m, (outs), (ins opaquemem:$dst),
|
|
"xsave64\t$dst",
|
|
[(int_x86_xsave64 addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVE, In64BitMode]>;
|
|
def XRSTOR : I<0xAE, MRM5m, (outs), (ins opaquemem:$dst),
|
|
"xrstor\t$dst",
|
|
[(int_x86_xrstor addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVE]>;
|
|
def XRSTOR64 : RI<0xAE, MRM5m, (outs), (ins opaquemem:$dst),
|
|
"xrstor64\t$dst",
|
|
[(int_x86_xrstor64 addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVE, In64BitMode]>;
|
|
def XSAVEOPT : I<0xAE, MRM6m, (outs), (ins opaquemem:$dst),
|
|
"xsaveopt\t$dst",
|
|
[(int_x86_xsaveopt addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVEOPT]>;
|
|
def XSAVEOPT64 : RI<0xAE, MRM6m, (outs), (ins opaquemem:$dst),
|
|
"xsaveopt64\t$dst",
|
|
[(int_x86_xsaveopt64 addr:$dst, EDX, EAX)]>, PS, Requires<[HasXSAVEOPT, In64BitMode]>;
|
|
def XSAVEC : I<0xC7, MRM4m, (outs), (ins opaquemem:$dst),
|
|
"xsavec\t$dst",
|
|
[(int_x86_xsavec addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVEC]>;
|
|
def XSAVEC64 : RI<0xC7, MRM4m, (outs), (ins opaquemem:$dst),
|
|
"xsavec64\t$dst",
|
|
[(int_x86_xsavec64 addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVEC, In64BitMode]>;
|
|
def XSAVES : I<0xC7, MRM5m, (outs), (ins opaquemem:$dst),
|
|
"xsaves\t$dst",
|
|
[(int_x86_xsaves addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVES]>;
|
|
def XSAVES64 : RI<0xC7, MRM5m, (outs), (ins opaquemem:$dst),
|
|
"xsaves64\t$dst",
|
|
[(int_x86_xsaves64 addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVE, In64BitMode]>;
|
|
def XRSTORS : I<0xC7, MRM3m, (outs), (ins opaquemem:$dst),
|
|
"xrstors\t$dst",
|
|
[(int_x86_xrstors addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVES]>;
|
|
def XRSTORS64 : RI<0xC7, MRM3m, (outs), (ins opaquemem:$dst),
|
|
"xrstors64\t$dst",
|
|
[(int_x86_xrstors64 addr:$dst, EDX, EAX)]>, TB, Requires<[HasXSAVES, In64BitMode]>;
|
|
} // Uses
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// VIA PadLock crypto instructions
|
|
let Defs = [RAX, RDI], Uses = [RDX, RDI], SchedRW = [WriteSystem] in
|
|
def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB;
|
|
|
|
def : InstAlias<"xstorerng", (XSTORE)>;
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
let Defs = [RSI, RDI], Uses = [RBX, RDX, RSI, RDI] in {
|
|
def XCRYPTECB : I<0xa7, MRM_C8, (outs), (ins), "xcryptecb", []>, TB;
|
|
def XCRYPTCBC : I<0xa7, MRM_D0, (outs), (ins), "xcryptcbc", []>, TB;
|
|
def XCRYPTCTR : I<0xa7, MRM_D8, (outs), (ins), "xcryptctr", []>, TB;
|
|
def XCRYPTCFB : I<0xa7, MRM_E0, (outs), (ins), "xcryptcfb", []>, TB;
|
|
def XCRYPTOFB : I<0xa7, MRM_E8, (outs), (ins), "xcryptofb", []>, TB;
|
|
}
|
|
|
|
let Defs = [RAX, RSI, RDI], Uses = [RAX, RSI, RDI] in {
|
|
def XSHA1 : I<0xa6, MRM_C8, (outs), (ins), "xsha1", []>, TB;
|
|
def XSHA256 : I<0xa6, MRM_D0, (outs), (ins), "xsha256", []>, TB;
|
|
}
|
|
let Defs = [RAX, RDX, RSI], Uses = [RAX, RSI] in
|
|
def MONTMUL : I<0xa6, MRM_C0, (outs), (ins), "montmul", []>, TB;
|
|
} // SchedRW
|
|
|
|
//==-----------------------------------------------------------------------===//
|
|
// PKU - enable protection key
|
|
let usesCustomInserter = 1, hasNoSchedulingInfo = 1 in {
|
|
def WRPKRU : PseudoI<(outs), (ins GR32:$src),
|
|
[(int_x86_wrpkru GR32:$src)]>;
|
|
def RDPKRU : PseudoI<(outs GR32:$dst), (ins),
|
|
[(set GR32:$dst, (int_x86_rdpkru))]>;
|
|
}
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
let Defs = [EAX, EDX], Uses = [ECX] in
|
|
def RDPKRUr : I<0x01, MRM_EE, (outs), (ins), "rdpkru", []>, TB;
|
|
let Uses = [EAX, ECX, EDX] in
|
|
def WRPKRUr : I<0x01, MRM_EF, (outs), (ins), "wrpkru", []>, TB;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// FS/GS Base Instructions
|
|
let Predicates = [HasFSGSBase, In64BitMode], SchedRW = [WriteSystem] in {
|
|
def RDFSBASE : I<0xAE, MRM0r, (outs GR32:$dst), (ins),
|
|
"rdfsbase{l}\t$dst",
|
|
[(set GR32:$dst, (int_x86_rdfsbase_32))]>, XS;
|
|
def RDFSBASE64 : RI<0xAE, MRM0r, (outs GR64:$dst), (ins),
|
|
"rdfsbase{q}\t$dst",
|
|
[(set GR64:$dst, (int_x86_rdfsbase_64))]>, XS;
|
|
def RDGSBASE : I<0xAE, MRM1r, (outs GR32:$dst), (ins),
|
|
"rdgsbase{l}\t$dst",
|
|
[(set GR32:$dst, (int_x86_rdgsbase_32))]>, XS;
|
|
def RDGSBASE64 : RI<0xAE, MRM1r, (outs GR64:$dst), (ins),
|
|
"rdgsbase{q}\t$dst",
|
|
[(set GR64:$dst, (int_x86_rdgsbase_64))]>, XS;
|
|
def WRFSBASE : I<0xAE, MRM2r, (outs), (ins GR32:$src),
|
|
"wrfsbase{l}\t$src",
|
|
[(int_x86_wrfsbase_32 GR32:$src)]>, XS;
|
|
def WRFSBASE64 : RI<0xAE, MRM2r, (outs), (ins GR64:$src),
|
|
"wrfsbase{q}\t$src",
|
|
[(int_x86_wrfsbase_64 GR64:$src)]>, XS;
|
|
def WRGSBASE : I<0xAE, MRM3r, (outs), (ins GR32:$src),
|
|
"wrgsbase{l}\t$src",
|
|
[(int_x86_wrgsbase_32 GR32:$src)]>, XS;
|
|
def WRGSBASE64 : RI<0xAE, MRM3r, (outs), (ins GR64:$src),
|
|
"wrgsbase{q}\t$src",
|
|
[(int_x86_wrgsbase_64 GR64:$src)]>, XS;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// INVPCID Instruction
|
|
let SchedRW = [WriteSystem] in {
|
|
def INVPCID32 : I<0x82, MRMSrcMem, (outs), (ins GR32:$src1, i128mem:$src2),
|
|
"invpcid\t{$src2, $src1|$src1, $src2}",
|
|
[(int_x86_invpcid GR32:$src1, addr:$src2)]>, T8PD,
|
|
Requires<[Not64BitMode, HasINVPCID]>;
|
|
def INVPCID64 : I<0x82, MRMSrcMem, (outs), (ins GR64:$src1, i128mem:$src2),
|
|
"invpcid\t{$src2, $src1|$src1, $src2}", []>, T8PD,
|
|
Requires<[In64BitMode, HasINVPCID]>;
|
|
} // SchedRW
|
|
|
|
let Predicates = [In64BitMode, HasINVPCID] in {
|
|
// The instruction can only use a 64 bit register as the register argument
|
|
// in 64 bit mode, while the intrinsic only accepts a 32 bit argument
|
|
// corresponding to it.
|
|
// The accepted values for now are 0,1,2,3 anyways (see Intel SDM -- INVCPID
|
|
// type),/ so it doesn't hurt us that one can't supply a 64 bit value here.
|
|
def : Pat<(int_x86_invpcid GR32:$src1, addr:$src2),
|
|
(INVPCID64
|
|
(SUBREG_TO_REG (i64 0), (MOV32rr GR32:$src1), sub_32bit),
|
|
addr:$src2)>;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// SMAP Instruction
|
|
let Defs = [EFLAGS], SchedRW = [WriteSystem] in {
|
|
def CLAC : I<0x01, MRM_CA, (outs), (ins), "clac", []>, TB;
|
|
def STAC : I<0x01, MRM_CB, (outs), (ins), "stac", []>, TB;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// SMX Instruction
|
|
let SchedRW = [WriteSystem] in {
|
|
let Uses = [RAX, RBX, RCX, RDX], Defs = [RAX, RBX, RCX] in {
|
|
def GETSEC : I<0x37, RawFrm, (outs), (ins), "getsec", []>, TB;
|
|
} // Uses, Defs
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TS flag control instruction.
|
|
let SchedRW = [WriteSystem] in {
|
|
def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// IF (inside EFLAGS) management instructions.
|
|
let SchedRW = [WriteSystem], Uses = [EFLAGS], Defs = [EFLAGS] in {
|
|
def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
|
|
def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// RDPID Instruction
|
|
let SchedRW = [WriteSystem] in {
|
|
def RDPID32 : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
|
|
"rdpid\t$dst", [(set GR32:$dst, (int_x86_rdpid))]>, XS,
|
|
Requires<[Not64BitMode, HasRDPID]>;
|
|
def RDPID64 : I<0xC7, MRM7r, (outs GR64:$dst), (ins), "rdpid\t$dst", []>, XS,
|
|
Requires<[In64BitMode, HasRDPID]>;
|
|
} // SchedRW
|
|
|
|
let Predicates = [In64BitMode, HasRDPID] in {
|
|
// Due to silly instruction definition, we have to compensate for the
|
|
// instruction outputing a 64-bit register.
|
|
def : Pat<(int_x86_rdpid),
|
|
(EXTRACT_SUBREG (RDPID64), sub_32bit)>;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PTWRITE Instruction - Write Data to a Processor Trace Packet
|
|
let SchedRW = [WriteSystem] in {
|
|
def PTWRITEm: I<0xAE, MRM4m, (outs), (ins i32mem:$dst),
|
|
"ptwrite{l}\t$dst", [(int_x86_ptwrite32 (loadi32 addr:$dst))]>, XS,
|
|
Requires<[HasPTWRITE]>;
|
|
def PTWRITE64m : RI<0xAE, MRM4m, (outs), (ins i64mem:$dst),
|
|
"ptwrite{q}\t$dst", [(int_x86_ptwrite64 (loadi64 addr:$dst))]>, XS,
|
|
Requires<[In64BitMode, HasPTWRITE]>;
|
|
|
|
def PTWRITEr : I<0xAE, MRM4r, (outs), (ins GR32:$dst),
|
|
"ptwrite{l}\t$dst", [(int_x86_ptwrite32 GR32:$dst)]>, XS,
|
|
Requires<[HasPTWRITE]>;
|
|
def PTWRITE64r : RI<0xAE, MRM4r, (outs), (ins GR64:$dst),
|
|
"ptwrite{q}\t$dst", [(int_x86_ptwrite64 GR64:$dst)]>, XS,
|
|
Requires<[In64BitMode, HasPTWRITE]>;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Platform Configuration instruction
|
|
|
|
// From ISA docs:
|
|
// "This instruction is used to execute functions for configuring platform
|
|
// features.
|
|
// EAX: Leaf function to be invoked.
|
|
// RBX/RCX/RDX: Leaf-specific purpose."
|
|
// "Successful execution of the leaf clears RAX (set to zero) and ZF, CF, PF,
|
|
// AF, OF, and SF are cleared. In case of failure, the failure reason is
|
|
// indicated in RAX with ZF set to 1 and CF, PF, AF, OF, and SF are cleared."
|
|
// Thus all these mentioned registers are considered clobbered.
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
let Uses = [RAX, RBX, RCX, RDX], Defs = [RAX, RBX, RCX, RDX, EFLAGS] in
|
|
def PCONFIG : I<0x01, MRM_C5, (outs), (ins), "pconfig", []>, TB,
|
|
Requires<[HasPCONFIG]>;
|
|
} // SchedRW
|