//===----------------------------------------------------------------------===//
let Defs = [RAX, RDX] in
-def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
- TB;
+ 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;
+ 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 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 INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
[(int_x86_int imm:$trap)]>;
-def SYSCALL : I<0x05, RawFrm,
- (outs), (ins), "syscall", []>, TB;
-def SYSRETL : I<0x07, RawFrm,
- (outs), (ins), "sysretl", []>, TB;
-def SYSRETQ : RI<0x07, RawFrm,
- (outs), (ins), "sysretq", []>, TB, Requires<[In64BitMode]>;
+def SYSCALL : I<0x05, RawFrm, (outs), (ins), "syscall", []>, TB;
+def SYSRETL : I<0x07, RawFrm, (outs), (ins), "sysretl", []>, TB;
+def SYSRETQ :RI<0x07, RawFrm, (outs), (ins), "sysretq", []>, TB,
+ Requires<[In64BitMode]>;
-def SYSENTER : I<0x34, RawFrm,
- (outs), (ins), "sysenter", []>, TB;
-def SYSEXIT : I<0x35, RawFrm,
- (outs), (ins), "sysexit", []>, TB, Requires<[In32BitMode]>;
-
-def SYSEXIT64 : RI<0x35, RawFrm,
- (outs), (ins), "sysexit", []>, TB, Requires<[In64BitMode]>;
+def SYSENTER : I<0x34, RawFrm, (outs), (ins), "sysenter", []>, TB;
+
+def SYSEXIT : I<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
+ Requires<[In32BitMode]>;
+def SYSEXIT64 :RI<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
+ Requires<[In64BitMode]>;
def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iretw", []>, OpSize;
def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l|d}", []>;
def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$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}", []>;
+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, $src}", []>, TB;
//===----------------------------------------------------------------------===//
// Segment override instruction prefixes
-def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
-def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
-def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
-def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
-def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
-def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
+def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
+def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
+def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
+def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
+def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
+def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
+//===----------------------------------------------------------------------===//
+// Moves to and from segment registers.
+//
+
+def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$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:$src),
"lar{l}\t{$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, $src}", []>, TB, OpSize;
"lsl{l}\t{$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),
"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 POPFS64 : I<0xa1, RawFrm, (outs), (ins),
- "pop{q}\t%fs", []>, TB;
def POPGS64 : I<0xa9, RawFrm, (outs), (ins),
"pop{q}\t%gs", []>, TB;
"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, $src}", []>, TB;
-def LSS64rm : RI<0xb2, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
- "lss{q}\t{$src, $dst|$dst, $src}", []>, TB;
-def LFS64rm : RI<0xb4, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
- "lfs{q}\t{$src, $dst|$dst, $src}", []>, TB;
+
def LGS64rm : RI<0xb5, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
"lgs{q}\t{$src, $dst|$dst, $src}", []>, TB;
//===----------------------------------------------------------------------===//
// Descriptor-table support instructions
+def SGDT16m : I<0x01, MRM0m, (outs opaque48mem:$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$dst", []>, TB;
def SLDT32r : I<0x00, MRM0r, (outs GR32:$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),
"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;