1 //===- X86InstrSystem.td - System Instructions -------------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instructions that are generally used in
11 // privileged modes. These are not typically used by the compiler, but are
12 // supported for the assembler and disassembler.
14 //===----------------------------------------------------------------------===//
16 let Defs = [RAX, RDX] in
17 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>, TB;
19 let Defs = [RAX, RCX, RDX] in
20 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
22 // CPU flow control instructions
24 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
25 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
26 def UD2B : I<0xB9, RawFrm, (outs), (ins), "ud2b", []>, TB;
29 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
30 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
32 // Interrupt and SysCall Instructions.
33 let Uses = [EFLAGS] in
34 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
35 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3",
36 [(int_x86_int (i8 3))]>;
38 // The long form of "int $3" turns into int3 as a size optimization.
39 // FIXME: This doesn't work because InstAlias can't match immediate constants.
40 //def : InstAlias<"int\t$3", (INT3)>;
43 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
44 [(int_x86_int imm:$trap)]>;
47 def SYSCALL : I<0x05, RawFrm, (outs), (ins), "syscall", []>, TB;
48 def SYSRETL : I<0x07, RawFrm, (outs), (ins), "sysretl", []>, TB;
49 def SYSRETQ :RI<0x07, RawFrm, (outs), (ins), "sysretq", []>, TB,
50 Requires<[In64BitMode]>;
52 def SYSENTER : I<0x34, RawFrm, (outs), (ins), "sysenter", []>, TB;
54 def SYSEXIT : I<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
55 Requires<[In32BitMode]>;
56 def SYSEXIT64 :RI<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB,
57 Requires<[In64BitMode]>;
59 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iretw", []>, OpSize;
60 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l|d}", []>;
61 def IRET64 : RI<0xcf, RawFrm, (outs), (ins), "iretq", []>,
62 Requires<[In64BitMode]>;
65 //===----------------------------------------------------------------------===//
66 // Input/Output Instructions.
68 let Defs = [AL], Uses = [DX] in
69 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
70 "in{b}\t{%dx, %al|%AL, %DX}", []>;
71 let Defs = [AX], Uses = [DX] in
72 def IN16rr : I<0xED, RawFrm, (outs), (ins),
73 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
74 let Defs = [EAX], Uses = [DX] in
75 def IN32rr : I<0xED, RawFrm, (outs), (ins),
76 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
79 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i8imm:$port),
80 "in{b}\t{$port, %al|%AL, $port}", []>;
82 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
83 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
85 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
86 "in{l}\t{$port, %eax|%EAX, $port}", []>;
88 let Uses = [DX, AL] in
89 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
90 "out{b}\t{%al, %dx|%DX, %AL}", []>;
91 let Uses = [DX, AX] in
92 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
93 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
94 let Uses = [DX, EAX] in
95 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
96 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
99 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i8imm:$port),
100 "out{b}\t{%al, $port|$port, %AL}", []>;
102 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
103 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
105 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
106 "out{l}\t{%eax, $port|$port, %EAX}", []>;
108 def IN8 : I<0x6C, RawFrm, (outs), (ins), "ins{b}", []>;
109 def IN16 : I<0x6D, RawFrm, (outs), (ins), "ins{w}", []>, OpSize;
110 def IN32 : I<0x6D, RawFrm, (outs), (ins), "ins{l}", []>;
112 //===----------------------------------------------------------------------===//
113 // Moves to and from debug registers
115 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
116 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
117 def MOV64rd : I<0x21, MRMDestReg, (outs GR64:$dst), (ins DEBUG_REG:$src),
118 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
120 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
121 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
122 def MOV64dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR64:$src),
123 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
125 //===----------------------------------------------------------------------===//
126 // Moves to and from control registers
128 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
129 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
130 def MOV64rc : I<0x20, MRMDestReg, (outs GR64:$dst), (ins CONTROL_REG:$src),
131 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
133 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
134 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
135 def MOV64cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR64:$src),
136 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
138 //===----------------------------------------------------------------------===//
139 // Segment override instruction prefixes
141 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
142 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
143 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
144 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
145 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
146 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
149 //===----------------------------------------------------------------------===//
150 // Moves to and from segment registers.
153 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
154 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
155 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
156 "mov{l}\t{$src, $dst|$dst, $src}", []>;
157 def MOV64rs : RI<0x8C, MRMDestReg, (outs GR64:$dst), (ins SEGMENT_REG:$src),
158 "mov{q}\t{$src, $dst|$dst, $src}", []>;
160 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
161 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
162 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
163 "mov{l}\t{$src, $dst|$dst, $src}", []>;
164 def MOV64ms : RI<0x8C, MRMDestMem, (outs i64mem:$dst), (ins SEGMENT_REG:$src),
165 "mov{q}\t{$src, $dst|$dst, $src}", []>;
167 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
168 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
169 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
170 "mov{l}\t{$src, $dst|$dst, $src}", []>;
171 def MOV64sr : RI<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR64:$src),
172 "mov{q}\t{$src, $dst|$dst, $src}", []>;
174 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
175 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
176 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
177 "mov{l}\t{$src, $dst|$dst, $src}", []>;
178 def MOV64sm : RI<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i64mem:$src),
179 "mov{q}\t{$src, $dst|$dst, $src}", []>;
181 //===----------------------------------------------------------------------===//
182 // Segmentation support instructions.
184 def SWAPGS : I<0x01, MRM_F8, (outs), (ins), "swapgs", []>, TB;
186 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
187 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
188 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
189 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
191 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
192 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
193 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
194 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
195 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
196 // i16mem operand in LAR64rm and GR32 operand in LAR32rr is not a typo.
197 def LAR64rm : RI<0x02, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
198 "lar{q}\t{$src, $dst|$dst, $src}", []>, TB;
199 def LAR64rr : RI<0x02, MRMSrcReg, (outs GR64:$dst), (ins GR32:$src),
200 "lar{q}\t{$src, $dst|$dst, $src}", []>, TB;
202 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
203 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
204 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
205 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
206 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
207 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
208 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
209 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
210 def LSL64rm : RI<0x03, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
211 "lsl{q}\t{$src, $dst|$dst, $src}", []>, TB;
212 def LSL64rr : RI<0x03, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
213 "lsl{q}\t{$src, $dst|$dst, $src}", []>, TB;
215 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
217 def STR16r : I<0x00, MRM1r, (outs GR16:$dst), (ins),
218 "str{w}\t{$dst}", []>, TB, OpSize;
219 def STR32r : I<0x00, MRM1r, (outs GR32:$dst), (ins),
220 "str{l}\t{$dst}", []>, TB;
221 def STR64r : RI<0x00, MRM1r, (outs GR64:$dst), (ins),
222 "str{q}\t{$dst}", []>, TB;
223 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
224 "str{w}\t{$dst}", []>, TB;
226 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
227 "ltr{w}\t{$src}", []>, TB;
228 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
229 "ltr{w}\t{$src}", []>, TB;
231 def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins),
232 "push{w}\t%cs", []>, Requires<[In32BitMode]>, OpSize;
233 def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins),
234 "push{l}\t%cs", []>, Requires<[In32BitMode]>;
235 def PUSHSS16 : I<0x16, RawFrm, (outs), (ins),
236 "push{w}\t%ss", []>, Requires<[In32BitMode]>, OpSize;
237 def PUSHSS32 : I<0x16, RawFrm, (outs), (ins),
238 "push{l}\t%ss", []>, Requires<[In32BitMode]>;
239 def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins),
240 "push{w}\t%ds", []>, Requires<[In32BitMode]>, OpSize;
241 def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins),
242 "push{l}\t%ds", []>, Requires<[In32BitMode]>;
243 def PUSHES16 : I<0x06, RawFrm, (outs), (ins),
244 "push{w}\t%es", []>, Requires<[In32BitMode]>, OpSize;
245 def PUSHES32 : I<0x06, RawFrm, (outs), (ins),
246 "push{l}\t%es", []>, Requires<[In32BitMode]>;
248 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
249 "push{w}\t%fs", []>, OpSize, TB;
250 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
251 "push{l}\t%fs", []>, TB, Requires<[In32BitMode]>;
252 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
253 "push{w}\t%gs", []>, OpSize, TB;
254 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
255 "push{l}\t%gs", []>, TB, Requires<[In32BitMode]>;
257 def PUSHFS64 : I<0xa0, RawFrm, (outs), (ins),
258 "push{q}\t%fs", []>, TB;
259 def PUSHGS64 : I<0xa8, RawFrm, (outs), (ins),
260 "push{q}\t%gs", []>, TB;
262 // No "pop cs" instruction.
263 def POPSS16 : I<0x17, RawFrm, (outs), (ins),
264 "pop{w}\t%ss", []>, OpSize, Requires<[In32BitMode]>;
265 def POPSS32 : I<0x17, RawFrm, (outs), (ins),
266 "pop{l}\t%ss", []> , Requires<[In32BitMode]>;
268 def POPDS16 : I<0x1F, RawFrm, (outs), (ins),
269 "pop{w}\t%ds", []>, OpSize, Requires<[In32BitMode]>;
270 def POPDS32 : I<0x1F, RawFrm, (outs), (ins),
271 "pop{l}\t%ds", []> , Requires<[In32BitMode]>;
273 def POPES16 : I<0x07, RawFrm, (outs), (ins),
274 "pop{w}\t%es", []>, OpSize, Requires<[In32BitMode]>;
275 def POPES32 : I<0x07, RawFrm, (outs), (ins),
276 "pop{l}\t%es", []> , Requires<[In32BitMode]>;
278 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
279 "pop{w}\t%fs", []>, OpSize, TB;
280 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
281 "pop{l}\t%fs", []>, TB , Requires<[In32BitMode]>;
282 def POPFS64 : I<0xa1, RawFrm, (outs), (ins),
283 "pop{q}\t%fs", []>, TB;
285 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
286 "pop{w}\t%gs", []>, OpSize, TB;
287 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
288 "pop{l}\t%gs", []>, TB , Requires<[In32BitMode]>;
289 def POPGS64 : I<0xa9, RawFrm, (outs), (ins),
290 "pop{q}\t%gs", []>, TB;
293 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
294 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
295 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
296 "lds{l}\t{$src, $dst|$dst, $src}", []>;
298 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
299 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
300 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
301 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
302 def LSS64rm : RI<0xb2, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
303 "lss{q}\t{$src, $dst|$dst, $src}", []>, TB;
305 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
306 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
307 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
308 "les{l}\t{$src, $dst|$dst, $src}", []>;
310 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
311 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
312 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
313 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
314 def LFS64rm : RI<0xb4, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
315 "lfs{q}\t{$src, $dst|$dst, $src}", []>, TB;
317 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
318 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
319 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
320 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
322 def LGS64rm : RI<0xb5, MRMSrcMem, (outs GR64:$dst), (ins opaque80mem:$src),
323 "lgs{q}\t{$src, $dst|$dst, $src}", []>, TB;
326 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
327 "verr\t$seg", []>, TB;
328 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
329 "verr\t$seg", []>, TB;
330 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
331 "verw\t$seg", []>, TB;
332 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
333 "verw\t$seg", []>, TB;
335 //===----------------------------------------------------------------------===//
336 // Descriptor-table support instructions
338 def SGDT16m : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
339 "sgdtw\t$dst", []>, TB, OpSize, Requires<[In32BitMode]>;
340 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
341 "sgdt\t$dst", []>, TB;
342 def SIDT16m : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
343 "sidtw\t$dst", []>, TB, OpSize, Requires<[In32BitMode]>;
344 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
345 "sidt\t$dst", []>, TB;
346 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
347 "sldt{w}\t$dst", []>, TB, OpSize;
348 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
349 "sldt{w}\t$dst", []>, TB;
350 def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins),
351 "sldt{l}\t$dst", []>, TB;
353 // LLDT is not interpreted specially in 64-bit mode because there is no sign
355 def SLDT64r : RI<0x00, MRM0r, (outs GR64:$dst), (ins),
356 "sldt{q}\t$dst", []>, TB;
357 def SLDT64m : RI<0x00, MRM0m, (outs i16mem:$dst), (ins),
358 "sldt{q}\t$dst", []>, TB;
360 def LGDT16m : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
361 "lgdtw\t$src", []>, TB, OpSize, Requires<[In32BitMode]>;
362 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
363 "lgdt\t$src", []>, TB;
364 def LIDT16m : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
365 "lidtw\t$src", []>, TB, OpSize, Requires<[In32BitMode]>;
366 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
367 "lidt\t$src", []>, TB;
368 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
369 "lldt{w}\t$src", []>, TB;
370 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
371 "lldt{w}\t$src", []>, TB;
373 //===----------------------------------------------------------------------===//
374 // Specialized register support
375 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
376 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
377 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
379 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
380 "smsw{w}\t$dst", []>, OpSize, TB;
381 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
382 "smsw{l}\t$dst", []>, TB;
383 // no m form encodable; use SMSW16m
384 def SMSW64r : RI<0x01, MRM4r, (outs GR64:$dst), (ins),
385 "smsw{q}\t$dst", []>, TB;
387 // For memory operands, there is only a 16-bit form
388 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
389 "smsw{w}\t$dst", []>, TB;
391 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
392 "lmsw{w}\t$src", []>, TB;
393 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
394 "lmsw{w}\t$src", []>, TB;
396 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
398 //===----------------------------------------------------------------------===//
399 // Cache instructions
400 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
401 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
403 let Defs = [RDX, RAX], Uses = [RCX] in
404 def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, TB;
406 let Uses = [RDX, RAX, RCX] in
407 def XSETBV : I<0x01, MRM_D1, (outs), (ins), "xsetbv", []>, TB;
409 //===----------------------------------------------------------------------===//
410 // VIA PadLock crypto instructions
411 let Defs = [RAX, RDI], Uses = [RDX, RDI] in
412 def XSTORE : I<0xc0, RawFrm, (outs), (ins), "xstore", []>, A7;
414 let Defs = [RSI, RDI], Uses = [RBX, RDX, RSI, RDI] in {
415 def XCRYPTECB : I<0xc8, RawFrm, (outs), (ins), "xcryptecb", []>, A7;
416 def XCRYPTCBC : I<0xd0, RawFrm, (outs), (ins), "xcryptcbc", []>, A7;
417 def XCRYPTCTR : I<0xd8, RawFrm, (outs), (ins), "xcryptctr", []>, A7;
418 def XCRYPTCFB : I<0xe0, RawFrm, (outs), (ins), "xcryptcfb", []>, A7;
419 def XCRYPTOFB : I<0xe8, RawFrm, (outs), (ins), "xcryptofb", []>, A7;
422 let Defs = [RAX, RSI, RDI], Uses = [RAX, RSI, RDI] in {
423 def XSHA1 : I<0xc8, RawFrm, (outs), (ins), "xsha1", []>, A6;
424 def XSHA256 : I<0xd0, RawFrm, (outs), (ins), "xsha256", []>, A6;
426 let Defs = [RAX, RDX, RSI], Uses = [RAX, RSI] in
427 def MONTMUL : I<0xc0, RawFrm, (outs), (ins), "montmul", []>, A6;