1 //===-- X86InstrArithmetic.td - Integer Arithmetic Instrs --*- 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 integer arithmetic instructions in the X86
13 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // LEA - Load Effective Address
17 let SchedRW = [WriteLEA] in {
18 let hasSideEffects = 0 in
19 def LEA16r : I<0x8D, MRMSrcMem,
20 (outs GR16:$dst), (ins i32mem:$src),
21 "lea{w}\t{$src|$dst}, {$dst|$src}", [], IIC_LEA_16>, OpSize16;
22 let isReMaterializable = 1 in
23 def LEA32r : I<0x8D, MRMSrcMem,
24 (outs GR32:$dst), (ins i32mem:$src),
25 "lea{l}\t{$src|$dst}, {$dst|$src}",
26 [(set GR32:$dst, lea32addr:$src)], IIC_LEA>,
27 OpSize32, Requires<[Not64BitMode]>;
29 def LEA64_32r : I<0x8D, MRMSrcMem,
30 (outs GR32:$dst), (ins lea64_32mem:$src),
31 "lea{l}\t{$src|$dst}, {$dst|$src}",
32 [(set GR32:$dst, lea64_32addr:$src)], IIC_LEA>,
33 OpSize32, Requires<[In64BitMode]>;
35 let isReMaterializable = 1 in
36 def LEA64r : RI<0x8D, MRMSrcMem, (outs GR64:$dst), (ins lea64mem:$src),
37 "lea{q}\t{$src|$dst}, {$dst|$src}",
38 [(set GR64:$dst, lea64addr:$src)], IIC_LEA>;
41 //===----------------------------------------------------------------------===//
42 // Fixed-Register Multiplication and Division Instructions.
45 // SchedModel info for instruction that loads one value and gets the second
46 // (and possibly third) value from a register.
47 // This is used for instructions that put the memory operands before other
49 class SchedLoadReg<SchedWrite SW> : Sched<[SW,
51 ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault,
52 // Register reads (implicit or explicit).
53 ReadAfterLd, ReadAfterLd]>;
55 // Extra precision multiplication
57 // AL is really implied by AX, but the registers in Defs must match the
58 // SDNode results (i8, i32).
60 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
61 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
62 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
63 // This probably ought to be moved to a def : Pat<> if the
64 // syntax can be accepted.
65 [(set AL, (mul AL, GR8:$src)),
66 (implicit EFLAGS)], IIC_MUL8>, Sched<[WriteIMul]>;
68 let Defs = [AX,DX,EFLAGS], Uses = [AX], hasSideEffects = 0 in
69 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
71 [], IIC_MUL16_REG>, OpSize16, Sched<[WriteIMul]>;
73 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], hasSideEffects = 0 in
74 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
76 [/*(set EAX, EDX, EFLAGS, (X86umul_flag EAX, GR32:$src))*/],
77 IIC_MUL32_REG>, OpSize32, Sched<[WriteIMul]>;
79 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], hasSideEffects = 0 in
80 def MUL64r : RI<0xF7, MRM4r, (outs), (ins GR64:$src),
82 [/*(set RAX, RDX, EFLAGS, (X86umul_flag RAX, GR64:$src))*/],
83 IIC_MUL64>, Sched<[WriteIMul]>;
85 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
86 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
88 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
89 // This probably ought to be moved to a def : Pat<> if the
90 // syntax can be accepted.
91 [(set AL, (mul AL, (loadi8 addr:$src))),
92 (implicit EFLAGS)], IIC_MUL8>, SchedLoadReg<WriteIMulLd>;
94 let mayLoad = 1, hasSideEffects = 0 in {
95 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
96 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
98 [], IIC_MUL16_MEM>, OpSize16, SchedLoadReg<WriteIMulLd>;
99 // EAX,EDX = EAX*[mem32]
100 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
101 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
103 [], IIC_MUL32_MEM>, OpSize32, SchedLoadReg<WriteIMulLd>;
104 // RAX,RDX = RAX*[mem64]
105 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
106 def MUL64m : RI<0xF7, MRM4m, (outs), (ins i64mem:$src),
107 "mul{q}\t$src", [], IIC_MUL64>, SchedLoadReg<WriteIMulLd>;
110 let hasSideEffects = 0 in {
112 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
113 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", [],
114 IIC_IMUL8>, Sched<[WriteIMul]>;
116 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
117 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", [],
118 IIC_IMUL16_RR>, OpSize16, Sched<[WriteIMul]>;
119 // EAX,EDX = EAX*GR32
120 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
121 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", [],
122 IIC_IMUL32_RR>, OpSize32, Sched<[WriteIMul]>;
123 // RAX,RDX = RAX*GR64
124 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
125 def IMUL64r : RI<0xF7, MRM5r, (outs), (ins GR64:$src), "imul{q}\t$src", [],
126 IIC_IMUL64_RR>, Sched<[WriteIMul]>;
130 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
131 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
132 "imul{b}\t$src", [], IIC_IMUL8>, SchedLoadReg<WriteIMulLd>;
133 // AX,DX = AX*[mem16]
134 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
135 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
136 "imul{w}\t$src", [], IIC_IMUL16_MEM>, OpSize16,
137 SchedLoadReg<WriteIMulLd>;
138 // EAX,EDX = EAX*[mem32]
139 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
140 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
141 "imul{l}\t$src", [], IIC_IMUL32_MEM>, OpSize32,
142 SchedLoadReg<WriteIMulLd>;
143 // RAX,RDX = RAX*[mem64]
144 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
145 def IMUL64m : RI<0xF7, MRM5m, (outs), (ins i64mem:$src),
146 "imul{q}\t$src", [], IIC_IMUL64>, SchedLoadReg<WriteIMulLd>;
151 let Defs = [EFLAGS] in {
152 let Constraints = "$src1 = $dst" in {
154 let isCommutable = 1, SchedRW = [WriteIMul] in {
155 // X = IMUL Y, Z --> X = IMUL Z, Y
156 // Register-Register Signed Integer Multiply
157 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
158 "imul{w}\t{$src2, $dst|$dst, $src2}",
159 [(set GR16:$dst, EFLAGS,
160 (X86smul_flag GR16:$src1, GR16:$src2))], IIC_IMUL16_RR>,
162 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
163 "imul{l}\t{$src2, $dst|$dst, $src2}",
164 [(set GR32:$dst, EFLAGS,
165 (X86smul_flag GR32:$src1, GR32:$src2))], IIC_IMUL32_RR>,
167 def IMUL64rr : RI<0xAF, MRMSrcReg, (outs GR64:$dst),
168 (ins GR64:$src1, GR64:$src2),
169 "imul{q}\t{$src2, $dst|$dst, $src2}",
170 [(set GR64:$dst, EFLAGS,
171 (X86smul_flag GR64:$src1, GR64:$src2))], IIC_IMUL64_RR>,
173 } // isCommutable, SchedRW
175 // Register-Memory Signed Integer Multiply
176 let SchedRW = [WriteIMulLd, ReadAfterLd] in {
177 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
178 (ins GR16:$src1, i16mem:$src2),
179 "imul{w}\t{$src2, $dst|$dst, $src2}",
180 [(set GR16:$dst, EFLAGS,
181 (X86smul_flag GR16:$src1, (load addr:$src2)))],
184 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
185 (ins GR32:$src1, i32mem:$src2),
186 "imul{l}\t{$src2, $dst|$dst, $src2}",
187 [(set GR32:$dst, EFLAGS,
188 (X86smul_flag GR32:$src1, (load addr:$src2)))],
191 def IMUL64rm : RI<0xAF, MRMSrcMem, (outs GR64:$dst),
192 (ins GR64:$src1, i64mem:$src2),
193 "imul{q}\t{$src2, $dst|$dst, $src2}",
194 [(set GR64:$dst, EFLAGS,
195 (X86smul_flag GR64:$src1, (load addr:$src2)))],
199 } // Constraints = "$src1 = $dst"
203 // Surprisingly enough, these are not two address instructions!
204 let Defs = [EFLAGS] in {
205 let SchedRW = [WriteIMul] in {
206 // Register-Integer Signed Integer Multiply
207 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
208 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
209 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
210 [(set GR16:$dst, EFLAGS,
211 (X86smul_flag GR16:$src1, imm:$src2))],
212 IIC_IMUL16_RRI>, OpSize16;
213 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
214 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
215 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
216 [(set GR16:$dst, EFLAGS,
217 (X86smul_flag GR16:$src1, i16immSExt8:$src2))],
218 IIC_IMUL16_RRI>, OpSize16;
219 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
220 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
221 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
222 [(set GR32:$dst, EFLAGS,
223 (X86smul_flag GR32:$src1, imm:$src2))],
224 IIC_IMUL32_RRI>, OpSize32;
225 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
226 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
227 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
228 [(set GR32:$dst, EFLAGS,
229 (X86smul_flag GR32:$src1, i32immSExt8:$src2))],
230 IIC_IMUL32_RRI>, OpSize32;
231 def IMUL64rri32 : RIi32S<0x69, MRMSrcReg, // GR64 = GR64*I32
232 (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2),
233 "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
234 [(set GR64:$dst, EFLAGS,
235 (X86smul_flag GR64:$src1, i64immSExt32:$src2))],
237 def IMUL64rri8 : RIi8<0x6B, MRMSrcReg, // GR64 = GR64*I8
238 (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2),
239 "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
240 [(set GR64:$dst, EFLAGS,
241 (X86smul_flag GR64:$src1, i64immSExt8:$src2))],
245 // Memory-Integer Signed Integer Multiply
246 let SchedRW = [WriteIMulLd] in {
247 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
248 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
249 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
250 [(set GR16:$dst, EFLAGS,
251 (X86smul_flag (load addr:$src1), imm:$src2))],
254 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
255 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
256 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
257 [(set GR16:$dst, EFLAGS,
258 (X86smul_flag (load addr:$src1),
259 i16immSExt8:$src2))], IIC_IMUL16_RMI>,
261 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
262 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
263 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
264 [(set GR32:$dst, EFLAGS,
265 (X86smul_flag (load addr:$src1), imm:$src2))],
266 IIC_IMUL32_RMI>, OpSize32;
267 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
268 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
269 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
270 [(set GR32:$dst, EFLAGS,
271 (X86smul_flag (load addr:$src1),
272 i32immSExt8:$src2))],
273 IIC_IMUL32_RMI>, OpSize32;
274 def IMUL64rmi32 : RIi32S<0x69, MRMSrcMem, // GR64 = [mem64]*I32
275 (outs GR64:$dst), (ins i64mem:$src1, i64i32imm:$src2),
276 "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
277 [(set GR64:$dst, EFLAGS,
278 (X86smul_flag (load addr:$src1),
279 i64immSExt32:$src2))],
281 def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8
282 (outs GR64:$dst), (ins i64mem:$src1, i64i8imm: $src2),
283 "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
284 [(set GR64:$dst, EFLAGS,
285 (X86smul_flag (load addr:$src1),
286 i64immSExt8:$src2))],
294 // unsigned division/remainder
295 let hasSideEffects = 1 in { // so that we don't speculatively execute
296 let SchedRW = [WriteIDiv] in {
297 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
298 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
299 "div{b}\t$src", [], IIC_DIV8_REG>;
300 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
301 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
302 "div{w}\t$src", [], IIC_DIV16>, OpSize16;
303 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
304 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
305 "div{l}\t$src", [], IIC_DIV32>, OpSize32;
306 // RDX:RAX/r64 = RAX,RDX
307 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
308 def DIV64r : RI<0xF7, MRM6r, (outs), (ins GR64:$src),
309 "div{q}\t$src", [], IIC_DIV64>;
313 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
314 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
315 "div{b}\t$src", [], IIC_DIV8_MEM>,
316 SchedLoadReg<WriteIDivLd>;
317 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
318 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
319 "div{w}\t$src", [], IIC_DIV16>, OpSize16,
320 SchedLoadReg<WriteIDivLd>;
321 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX
322 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
323 "div{l}\t$src", [], IIC_DIV32>,
324 SchedLoadReg<WriteIDivLd>, OpSize32;
325 // RDX:RAX/[mem64] = RAX,RDX
326 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
327 def DIV64m : RI<0xF7, MRM6m, (outs), (ins i64mem:$src),
328 "div{q}\t$src", [], IIC_DIV64>,
329 SchedLoadReg<WriteIDivLd>;
332 // Signed division/remainder.
333 let SchedRW = [WriteIDiv] in {
334 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
335 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
336 "idiv{b}\t$src", [], IIC_IDIV8>;
337 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
338 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
339 "idiv{w}\t$src", [], IIC_IDIV16>, OpSize16;
340 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
341 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
342 "idiv{l}\t$src", [], IIC_IDIV32>, OpSize32;
343 // RDX:RAX/r64 = RAX,RDX
344 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
345 def IDIV64r: RI<0xF7, MRM7r, (outs), (ins GR64:$src),
346 "idiv{q}\t$src", [], IIC_IDIV64>;
350 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
351 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
352 "idiv{b}\t$src", [], IIC_IDIV8>,
353 SchedLoadReg<WriteIDivLd>;
354 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
355 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
356 "idiv{w}\t$src", [], IIC_IDIV16>, OpSize16,
357 SchedLoadReg<WriteIDivLd>;
358 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX
359 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
360 "idiv{l}\t$src", [], IIC_IDIV32>, OpSize32,
361 SchedLoadReg<WriteIDivLd>;
362 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in // RDX:RAX/[mem64] = RAX,RDX
363 def IDIV64m: RI<0xF7, MRM7m, (outs), (ins i64mem:$src),
364 "idiv{q}\t$src", [], IIC_IDIV64>,
365 SchedLoadReg<WriteIDivLd>;
367 } // hasSideEffects = 0
369 //===----------------------------------------------------------------------===//
370 // Two address Instructions.
373 // unary instructions
374 let CodeSize = 2 in {
375 let Defs = [EFLAGS] in {
376 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
377 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
379 [(set GR8:$dst, (ineg GR8:$src1)),
380 (implicit EFLAGS)], IIC_UNARY_REG>;
381 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
383 [(set GR16:$dst, (ineg GR16:$src1)),
384 (implicit EFLAGS)], IIC_UNARY_REG>, OpSize16;
385 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
387 [(set GR32:$dst, (ineg GR32:$src1)),
388 (implicit EFLAGS)], IIC_UNARY_REG>, OpSize32;
389 def NEG64r : RI<0xF7, MRM3r, (outs GR64:$dst), (ins GR64:$src1), "neg{q}\t$dst",
390 [(set GR64:$dst, (ineg GR64:$src1)),
391 (implicit EFLAGS)], IIC_UNARY_REG>;
392 } // Constraints = "$src1 = $dst", SchedRW
394 // Read-modify-write negate.
395 let SchedRW = [WriteALULd, WriteRMW] in {
396 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
398 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
399 (implicit EFLAGS)], IIC_UNARY_MEM>;
400 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
402 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
403 (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize16;
404 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
406 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
407 (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize32;
408 def NEG64m : RI<0xF7, MRM3m, (outs), (ins i64mem:$dst), "neg{q}\t$dst",
409 [(store (ineg (loadi64 addr:$dst)), addr:$dst),
410 (implicit EFLAGS)], IIC_UNARY_MEM>;
415 // Note: NOT does not set EFLAGS!
417 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
418 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
419 let AddedComplexity = 15 in {
420 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
422 [(set GR8:$dst, (not GR8:$src1))], IIC_UNARY_REG>;
423 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
425 [(set GR16:$dst, (not GR16:$src1))], IIC_UNARY_REG>, OpSize16;
426 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
428 [(set GR32:$dst, (not GR32:$src1))], IIC_UNARY_REG>, OpSize32;
429 def NOT64r : RI<0xF7, MRM2r, (outs GR64:$dst), (ins GR64:$src1), "not{q}\t$dst",
430 [(set GR64:$dst, (not GR64:$src1))], IIC_UNARY_REG>;
432 } // Constraints = "$src1 = $dst", SchedRW
434 let SchedRW = [WriteALULd, WriteRMW] in {
435 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
437 [(store (not (loadi8 addr:$dst)), addr:$dst)], IIC_UNARY_MEM>;
438 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
440 [(store (not (loadi16 addr:$dst)), addr:$dst)], IIC_UNARY_MEM>,
442 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
444 [(store (not (loadi32 addr:$dst)), addr:$dst)], IIC_UNARY_MEM>,
446 def NOT64m : RI<0xF7, MRM2m, (outs), (ins i64mem:$dst), "not{q}\t$dst",
447 [(store (not (loadi64 addr:$dst)), addr:$dst)], IIC_UNARY_MEM>;
451 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
452 let Defs = [EFLAGS] in {
453 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
455 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
457 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))],
460 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
461 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
463 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))], IIC_UNARY_REG>,
464 OpSize16, Requires<[Not64BitMode]>;
465 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
467 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))],
469 OpSize32, Requires<[Not64BitMode]>;
470 def INC64r : RI<0xFF, MRM0r, (outs GR64:$dst), (ins GR64:$src1), "inc{q}\t$dst",
471 [(set GR64:$dst, EFLAGS, (X86inc_flag GR64:$src1))],
473 } // isConvertibleToThreeAddress = 1, CodeSize = 1
476 // In 64-bit mode, single byte INC and DEC cannot be encoded.
477 let isConvertibleToThreeAddress = 1, CodeSize = 2 in {
478 // Can transform into LEA.
479 def INC64_16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
481 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))],
483 OpSize16, Requires<[In64BitMode]>;
484 def INC64_32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
486 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))],
488 OpSize32, Requires<[In64BitMode]>;
489 def DEC64_16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
491 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))],
493 OpSize16, Requires<[In64BitMode]>;
494 def DEC64_32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
496 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))],
498 OpSize32, Requires<[In64BitMode]>;
499 } // isConvertibleToThreeAddress = 1, CodeSize = 2
501 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
503 def INC32_16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
504 "inc{w}\t$dst", [], IIC_UNARY_REG>,
505 OpSize16, Requires<[Not64BitMode]>;
506 def INC32_32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
507 "inc{l}\t$dst", [], IIC_UNARY_REG>,
508 OpSize32, Requires<[Not64BitMode]>;
509 def DEC32_16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
510 "dec{w}\t$dst", [], IIC_UNARY_REG>,
511 OpSize16, Requires<[Not64BitMode]>;
512 def DEC32_32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
513 "dec{l}\t$dst", [], IIC_UNARY_REG>,
514 OpSize32, Requires<[Not64BitMode]>;
515 } // isCodeGenOnly = 1, ForceDisassemble = 1, HasSideEffects = 0, CodeSize = 2
517 } // Constraints = "$src1 = $dst", SchedRW
519 let CodeSize = 2, SchedRW = [WriteALULd, WriteRMW] in {
520 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
521 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
522 (implicit EFLAGS)], IIC_UNARY_MEM>;
523 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
524 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
525 (implicit EFLAGS)], IIC_UNARY_MEM>,
526 OpSize16, Requires<[Not64BitMode]>;
527 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
528 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
529 (implicit EFLAGS)], IIC_UNARY_MEM>,
530 OpSize32, Requires<[Not64BitMode]>;
531 def INC64m : RI<0xFF, MRM0m, (outs), (ins i64mem:$dst), "inc{q}\t$dst",
532 [(store (add (loadi64 addr:$dst), 1), addr:$dst),
533 (implicit EFLAGS)], IIC_UNARY_MEM>;
535 // These are duplicates of their 32-bit counterparts. Only needed so X86 knows
536 // how to unfold them.
537 // FIXME: What is this for??
538 def INC64_16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
539 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
540 (implicit EFLAGS)], IIC_UNARY_MEM>,
541 OpSize16, Requires<[In64BitMode]>;
542 def INC64_32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
543 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
544 (implicit EFLAGS)], IIC_UNARY_MEM>,
545 OpSize32, Requires<[In64BitMode]>;
546 def DEC64_16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
547 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
548 (implicit EFLAGS)], IIC_UNARY_MEM>,
549 OpSize16, Requires<[In64BitMode]>;
550 def DEC64_32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
551 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
552 (implicit EFLAGS)], IIC_UNARY_MEM>,
553 OpSize32, Requires<[In64BitMode]>;
554 } // CodeSize = 2, SchedRW
556 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
558 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
560 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))],
562 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
563 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
565 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))],
567 OpSize16, Requires<[Not64BitMode]>;
568 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
570 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))],
572 OpSize32, Requires<[Not64BitMode]>;
573 def DEC64r : RI<0xFF, MRM1r, (outs GR64:$dst), (ins GR64:$src1), "dec{q}\t$dst",
574 [(set GR64:$dst, EFLAGS, (X86dec_flag GR64:$src1))],
577 } // Constraints = "$src1 = $dst", SchedRW
580 let CodeSize = 2, SchedRW = [WriteALULd, WriteRMW] in {
581 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
582 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
583 (implicit EFLAGS)], IIC_UNARY_MEM>;
584 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
585 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
586 (implicit EFLAGS)], IIC_UNARY_MEM>,
587 OpSize16, Requires<[Not64BitMode]>;
588 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
589 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
590 (implicit EFLAGS)], IIC_UNARY_MEM>,
591 OpSize32, Requires<[Not64BitMode]>;
592 def DEC64m : RI<0xFF, MRM1m, (outs), (ins i64mem:$dst), "dec{q}\t$dst",
593 [(store (add (loadi64 addr:$dst), -1), addr:$dst),
594 (implicit EFLAGS)], IIC_UNARY_MEM>;
595 } // CodeSize = 2, SchedRW
598 /// X86TypeInfo - This is a bunch of information that describes relevant X86
599 /// information about value types. For example, it can tell you what the
600 /// register class and preferred load to use.
601 class X86TypeInfo<ValueType vt, string instrsuffix, RegisterClass regclass,
602 PatFrag loadnode, X86MemOperand memoperand, ImmType immkind,
603 Operand immoperand, SDPatternOperator immoperator,
604 Operand imm8operand, SDPatternOperator imm8operator,
605 bit hasOddOpcode, OperandSize opSize,
606 bit hasREX_WPrefix> {
607 /// VT - This is the value type itself.
610 /// InstrSuffix - This is the suffix used on instructions with this type. For
611 /// example, i8 -> "b", i16 -> "w", i32 -> "l", i64 -> "q".
612 string InstrSuffix = instrsuffix;
614 /// RegClass - This is the register class associated with this type. For
615 /// example, i8 -> GR8, i16 -> GR16, i32 -> GR32, i64 -> GR64.
616 RegisterClass RegClass = regclass;
618 /// LoadNode - This is the load node associated with this type. For
619 /// example, i8 -> loadi8, i16 -> loadi16, i32 -> loadi32, i64 -> loadi64.
620 PatFrag LoadNode = loadnode;
622 /// MemOperand - This is the memory operand associated with this type. For
623 /// example, i8 -> i8mem, i16 -> i16mem, i32 -> i32mem, i64 -> i64mem.
624 X86MemOperand MemOperand = memoperand;
626 /// ImmEncoding - This is the encoding of an immediate of this type. For
627 /// example, i8 -> Imm8, i16 -> Imm16, i32 -> Imm32. Note that i64 -> Imm32
628 /// since the immediate fields of i64 instructions is a 32-bit sign extended
630 ImmType ImmEncoding = immkind;
632 /// ImmOperand - This is the operand kind of an immediate of this type. For
633 /// example, i8 -> i8imm, i16 -> i16imm, i32 -> i32imm. Note that i64 ->
634 /// i64i32imm since the immediate fields of i64 instructions is a 32-bit sign
636 Operand ImmOperand = immoperand;
638 /// ImmOperator - This is the operator that should be used to match an
639 /// immediate of this kind in a pattern (e.g. imm, or i64immSExt32).
640 SDPatternOperator ImmOperator = immoperator;
642 /// Imm8Operand - This is the operand kind to use for an imm8 of this type.
643 /// For example, i8 -> <invalid>, i16 -> i16i8imm, i32 -> i32i8imm. This is
644 /// only used for instructions that have a sign-extended imm8 field form.
645 Operand Imm8Operand = imm8operand;
647 /// Imm8Operator - This is the operator that should be used to match an 8-bit
648 /// sign extended immediate of this kind in a pattern (e.g. imm16immSExt8).
649 SDPatternOperator Imm8Operator = imm8operator;
651 /// HasOddOpcode - This bit is true if the instruction should have an odd (as
652 /// opposed to even) opcode. Operations on i8 are usually even, operations on
653 /// other datatypes are odd.
654 bit HasOddOpcode = hasOddOpcode;
656 /// OpSize - Selects whether the instruction needs a 0x66 prefix based on
657 /// 16-bit vs 32-bit mode. i8/i64 set this to OpSizeFixed. i16 sets this
658 /// to Opsize16. i32 sets this to OpSize32.
659 OperandSize OpSize = opSize;
661 /// HasREX_WPrefix - This bit is set to true if the instruction should have
662 /// the 0x40 REX prefix. This is set for i64 types.
663 bit HasREX_WPrefix = hasREX_WPrefix;
666 def invalid_node : SDNode<"<<invalid_node>>", SDTIntLeaf,[],"<<invalid_node>>">;
669 def Xi8 : X86TypeInfo<i8 , "b", GR8 , loadi8 , i8mem ,
670 Imm8 , i8imm , imm, i8imm , invalid_node,
672 def Xi16 : X86TypeInfo<i16, "w", GR16, loadi16, i16mem,
673 Imm16, i16imm, imm, i16i8imm, i16immSExt8,
675 def Xi32 : X86TypeInfo<i32, "l", GR32, loadi32, i32mem,
676 Imm32, i32imm, imm, i32i8imm, i32immSExt8,
678 def Xi64 : X86TypeInfo<i64, "q", GR64, loadi64, i64mem,
679 Imm32S, i64i32imm, i64immSExt32, i64i8imm, i64immSExt8,
682 /// ITy - This instruction base class takes the type info for the instruction.
684 /// 1. Concatenates together the instruction mnemonic with the appropriate
685 /// suffix letter, a tab, and the arguments.
686 /// 2. Infers whether the instruction should have a 0x66 prefix byte.
687 /// 3. Infers whether the instruction should have a 0x40 REX_W prefix.
688 /// 4. Infers whether the low bit of the opcode should be 0 (for i8 operations)
689 /// or 1 (for i16,i32,i64 operations).
690 class ITy<bits<8> opcode, Format f, X86TypeInfo typeinfo, dag outs, dag ins,
691 string mnemonic, string args, list<dag> pattern,
692 InstrItinClass itin = IIC_BIN_NONMEM>
693 : I<{opcode{7}, opcode{6}, opcode{5}, opcode{4},
694 opcode{3}, opcode{2}, opcode{1}, typeinfo.HasOddOpcode },
696 !strconcat(mnemonic, "{", typeinfo.InstrSuffix, "}\t", args), pattern,
699 // Infer instruction prefixes from type info.
700 let OpSize = typeinfo.OpSize;
701 let hasREX_WPrefix = typeinfo.HasREX_WPrefix;
704 // BinOpRR - Instructions like "add reg, reg, reg".
705 class BinOpRR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
706 dag outlist, list<dag> pattern, InstrItinClass itin,
707 Format f = MRMDestReg>
708 : ITy<opcode, f, typeinfo, outlist,
709 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
710 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
713 // BinOpRR_F - Instructions like "cmp reg, Reg", where the pattern has
714 // just a EFLAGS as a result.
715 class BinOpRR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
716 SDPatternOperator opnode, Format f = MRMDestReg>
717 : BinOpRR<opcode, mnemonic, typeinfo, (outs),
719 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))],
722 // BinOpRR_RF - Instructions like "add reg, reg, reg", where the pattern has
723 // both a regclass and EFLAGS as a result.
724 class BinOpRR_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
726 : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
727 [(set typeinfo.RegClass:$dst, EFLAGS,
728 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))],
731 // BinOpRR_RFF - Instructions like "adc reg, reg, reg", where the pattern has
732 // both a regclass and EFLAGS as a result, and has EFLAGS as input.
733 class BinOpRR_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
735 : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
736 [(set typeinfo.RegClass:$dst, EFLAGS,
737 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2,
738 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
740 // BinOpRR_Rev - Instructions like "add reg, reg, reg" (reversed encoding).
741 class BinOpRR_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
742 InstrItinClass itin = IIC_BIN_NONMEM>
743 : ITy<opcode, MRMSrcReg, typeinfo,
744 (outs typeinfo.RegClass:$dst),
745 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
746 mnemonic, "{$src2, $dst|$dst, $src2}", [], itin>,
748 // The disassembler should know about this, but not the asmparser.
749 let isCodeGenOnly = 1;
750 let ForceDisassemble = 1;
751 let hasSideEffects = 0;
754 // BinOpRR_RDD_Rev - Instructions like "adc reg, reg, reg" (reversed encoding).
755 class BinOpRR_RFF_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
756 : BinOpRR_Rev<opcode, mnemonic, typeinfo, IIC_BIN_CARRY_NONMEM>;
758 // BinOpRR_F_Rev - Instructions like "cmp reg, reg" (reversed encoding).
759 class BinOpRR_F_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
760 : ITy<opcode, MRMSrcReg, typeinfo, (outs),
761 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
762 mnemonic, "{$src2, $src1|$src1, $src2}", [], IIC_BIN_NONMEM>,
764 // The disassembler should know about this, but not the asmparser.
765 let isCodeGenOnly = 1;
766 let ForceDisassemble = 1;
767 let hasSideEffects = 0;
770 // BinOpRM - Instructions like "add reg, reg, [mem]".
771 class BinOpRM<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
772 dag outlist, list<dag> pattern,
773 InstrItinClass itin = IIC_BIN_MEM>
774 : ITy<opcode, MRMSrcMem, typeinfo, outlist,
775 (ins typeinfo.RegClass:$src1, typeinfo.MemOperand:$src2),
776 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
777 Sched<[WriteALULd, ReadAfterLd]>;
779 // BinOpRM_R - Instructions like "add reg, reg, [mem]".
780 class BinOpRM_R<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
782 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
783 [(set typeinfo.RegClass:$dst,
784 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
786 // BinOpRM_F - Instructions like "cmp reg, [mem]".
787 class BinOpRM_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
788 SDPatternOperator opnode>
789 : BinOpRM<opcode, mnemonic, typeinfo, (outs),
791 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
793 // BinOpRM_RF - Instructions like "add reg, reg, [mem]".
794 class BinOpRM_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
796 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
797 [(set typeinfo.RegClass:$dst, EFLAGS,
798 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
800 // BinOpRM_RFF - Instructions like "adc reg, reg, [mem]".
801 class BinOpRM_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
803 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
804 [(set typeinfo.RegClass:$dst, EFLAGS,
805 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2),
806 EFLAGS))], IIC_BIN_CARRY_MEM>;
808 // BinOpRI - Instructions like "add reg, reg, imm".
809 class BinOpRI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
810 Format f, dag outlist, list<dag> pattern,
811 InstrItinClass itin = IIC_BIN_NONMEM>
812 : ITy<opcode, f, typeinfo, outlist,
813 (ins typeinfo.RegClass:$src1, typeinfo.ImmOperand:$src2),
814 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
816 let ImmT = typeinfo.ImmEncoding;
819 // BinOpRI_F - Instructions like "cmp reg, imm".
820 class BinOpRI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
821 SDPatternOperator opnode, Format f>
822 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs),
824 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
826 // BinOpRI_RF - Instructions like "add reg, reg, imm".
827 class BinOpRI_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
828 SDNode opnode, Format f>
829 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
830 [(set typeinfo.RegClass:$dst, EFLAGS,
831 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
832 // BinOpRI_RFF - Instructions like "adc reg, reg, imm".
833 class BinOpRI_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
834 SDNode opnode, Format f>
835 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
836 [(set typeinfo.RegClass:$dst, EFLAGS,
837 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2,
838 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
840 // BinOpRI8 - Instructions like "add reg, reg, imm8".
841 class BinOpRI8<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
842 Format f, dag outlist, list<dag> pattern,
843 InstrItinClass itin = IIC_BIN_NONMEM>
844 : ITy<opcode, f, typeinfo, outlist,
845 (ins typeinfo.RegClass:$src1, typeinfo.Imm8Operand:$src2),
846 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
848 let ImmT = Imm8; // Always 8-bit immediate.
851 // BinOpRI8_F - Instructions like "cmp reg, imm8".
852 class BinOpRI8_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
853 SDNode opnode, Format f>
854 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs),
856 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
858 // BinOpRI8_RF - Instructions like "add reg, reg, imm8".
859 class BinOpRI8_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
860 SDNode opnode, Format f>
861 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
862 [(set typeinfo.RegClass:$dst, EFLAGS,
863 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
865 // BinOpRI8_RFF - Instructions like "adc reg, reg, imm8".
866 class BinOpRI8_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
867 SDNode opnode, Format f>
868 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
869 [(set typeinfo.RegClass:$dst, EFLAGS,
870 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2,
871 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
873 // BinOpMR - Instructions like "add [mem], reg".
874 class BinOpMR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
875 list<dag> pattern, InstrItinClass itin = IIC_BIN_MEM>
876 : ITy<opcode, MRMDestMem, typeinfo,
877 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.RegClass:$src),
878 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
879 Sched<[WriteALULd, WriteRMW]>;
881 // BinOpMR_RMW - Instructions like "add [mem], reg".
882 class BinOpMR_RMW<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
884 : BinOpMR<opcode, mnemonic, typeinfo,
885 [(store (opnode (load addr:$dst), typeinfo.RegClass:$src), addr:$dst),
888 // BinOpMR_RMW_FF - Instructions like "adc [mem], reg".
889 class BinOpMR_RMW_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
891 : BinOpMR<opcode, mnemonic, typeinfo,
892 [(store (opnode (load addr:$dst), typeinfo.RegClass:$src, EFLAGS),
894 (implicit EFLAGS)], IIC_BIN_CARRY_MEM>;
896 // BinOpMR_F - Instructions like "cmp [mem], reg".
897 class BinOpMR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
899 : BinOpMR<opcode, mnemonic, typeinfo,
900 [(set EFLAGS, (opnode (load addr:$dst), typeinfo.RegClass:$src))]>;
902 // BinOpMI - Instructions like "add [mem], imm".
903 class BinOpMI<string mnemonic, X86TypeInfo typeinfo,
904 Format f, list<dag> pattern, bits<8> opcode = 0x80,
905 InstrItinClass itin = IIC_BIN_MEM>
906 : ITy<opcode, f, typeinfo,
907 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.ImmOperand:$src),
908 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
909 Sched<[WriteALULd, WriteRMW]> {
910 let ImmT = typeinfo.ImmEncoding;
913 // BinOpMI_RMW - Instructions like "add [mem], imm".
914 class BinOpMI_RMW<string mnemonic, X86TypeInfo typeinfo,
915 SDNode opnode, Format f>
916 : BinOpMI<mnemonic, typeinfo, f,
917 [(store (opnode (typeinfo.VT (load addr:$dst)),
918 typeinfo.ImmOperator:$src), addr:$dst),
920 // BinOpMI_RMW_FF - Instructions like "adc [mem], imm".
921 class BinOpMI_RMW_FF<string mnemonic, X86TypeInfo typeinfo,
922 SDNode opnode, Format f>
923 : BinOpMI<mnemonic, typeinfo, f,
924 [(store (opnode (typeinfo.VT (load addr:$dst)),
925 typeinfo.ImmOperator:$src, EFLAGS), addr:$dst),
926 (implicit EFLAGS)], 0x80, IIC_BIN_CARRY_MEM>;
928 // BinOpMI_F - Instructions like "cmp [mem], imm".
929 class BinOpMI_F<string mnemonic, X86TypeInfo typeinfo,
930 SDPatternOperator opnode, Format f, bits<8> opcode = 0x80>
931 : BinOpMI<mnemonic, typeinfo, f,
932 [(set EFLAGS, (opnode (typeinfo.VT (load addr:$dst)),
933 typeinfo.ImmOperator:$src))],
936 // BinOpMI8 - Instructions like "add [mem], imm8".
937 class BinOpMI8<string mnemonic, X86TypeInfo typeinfo,
938 Format f, list<dag> pattern,
939 InstrItinClass itin = IIC_BIN_MEM>
940 : ITy<0x82, f, typeinfo,
941 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.Imm8Operand:$src),
942 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
943 Sched<[WriteALULd, WriteRMW]> {
944 let ImmT = Imm8; // Always 8-bit immediate.
947 // BinOpMI8_RMW - Instructions like "add [mem], imm8".
948 class BinOpMI8_RMW<string mnemonic, X86TypeInfo typeinfo,
949 SDNode opnode, Format f>
950 : BinOpMI8<mnemonic, typeinfo, f,
951 [(store (opnode (load addr:$dst),
952 typeinfo.Imm8Operator:$src), addr:$dst),
955 // BinOpMI8_RMW_FF - Instructions like "adc [mem], imm8".
956 class BinOpMI8_RMW_FF<string mnemonic, X86TypeInfo typeinfo,
957 SDNode opnode, Format f>
958 : BinOpMI8<mnemonic, typeinfo, f,
959 [(store (opnode (load addr:$dst),
960 typeinfo.Imm8Operator:$src, EFLAGS), addr:$dst),
961 (implicit EFLAGS)], IIC_BIN_CARRY_MEM>;
963 // BinOpMI8_F - Instructions like "cmp [mem], imm8".
964 class BinOpMI8_F<string mnemonic, X86TypeInfo typeinfo,
965 SDNode opnode, Format f>
966 : BinOpMI8<mnemonic, typeinfo, f,
967 [(set EFLAGS, (opnode (load addr:$dst),
968 typeinfo.Imm8Operator:$src))]>;
970 // BinOpAI - Instructions like "add %eax, %eax, imm", that imp-def EFLAGS.
971 class BinOpAI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
972 Register areg, string operands,
973 InstrItinClass itin = IIC_BIN_NONMEM>
974 : ITy<opcode, RawFrm, typeinfo,
975 (outs), (ins typeinfo.ImmOperand:$src),
976 mnemonic, operands, [], itin>, Sched<[WriteALU]> {
977 let ImmT = typeinfo.ImmEncoding;
979 let Defs = [areg, EFLAGS];
980 let hasSideEffects = 0;
983 // BinOpAI_FF - Instructions like "adc %eax, %eax, imm", that implicitly define
985 class BinOpAI_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
986 Register areg, string operands>
987 : BinOpAI<opcode, mnemonic, typeinfo, areg, operands,
988 IIC_BIN_CARRY_NONMEM> {
989 let Uses = [areg, EFLAGS];
992 /// ArithBinOp_RF - This is an arithmetic binary operator where the pattern is
993 /// defined with "(set GPR:$dst, EFLAGS, (...".
995 /// It would be nice to get rid of the second and third argument here, but
996 /// tblgen can't handle dependent type references aggressively enough: PR8330
997 multiclass ArithBinOp_RF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
998 string mnemonic, Format RegMRM, Format MemMRM,
999 SDNode opnodeflag, SDNode opnode,
1000 bit CommutableRR, bit ConvertibleToThreeAddress> {
1001 let Defs = [EFLAGS] in {
1002 let Constraints = "$src1 = $dst" in {
1003 let isCommutable = CommutableRR,
1004 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1005 def NAME#8rr : BinOpRR_RF<BaseOpc, mnemonic, Xi8 , opnodeflag>;
1006 def NAME#16rr : BinOpRR_RF<BaseOpc, mnemonic, Xi16, opnodeflag>;
1007 def NAME#32rr : BinOpRR_RF<BaseOpc, mnemonic, Xi32, opnodeflag>;
1008 def NAME#64rr : BinOpRR_RF<BaseOpc, mnemonic, Xi64, opnodeflag>;
1011 def NAME#8rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi8>;
1012 def NAME#16rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi16>;
1013 def NAME#32rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi32>;
1014 def NAME#64rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi64>;
1016 def NAME#8rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi8 , opnodeflag>;
1017 def NAME#16rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi16, opnodeflag>;
1018 def NAME#32rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi32, opnodeflag>;
1019 def NAME#64rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi64, opnodeflag>;
1021 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1022 // NOTE: These are order specific, we want the ri8 forms to be listed
1023 // first so that they are slightly preferred to the ri forms.
1024 def NAME#16ri8 : BinOpRI8_RF<0x82, mnemonic, Xi16, opnodeflag, RegMRM>;
1025 def NAME#32ri8 : BinOpRI8_RF<0x82, mnemonic, Xi32, opnodeflag, RegMRM>;
1026 def NAME#64ri8 : BinOpRI8_RF<0x82, mnemonic, Xi64, opnodeflag, RegMRM>;
1028 def NAME#8ri : BinOpRI_RF<0x80, mnemonic, Xi8 , opnodeflag, RegMRM>;
1029 def NAME#16ri : BinOpRI_RF<0x80, mnemonic, Xi16, opnodeflag, RegMRM>;
1030 def NAME#32ri : BinOpRI_RF<0x80, mnemonic, Xi32, opnodeflag, RegMRM>;
1031 def NAME#64ri32: BinOpRI_RF<0x80, mnemonic, Xi64, opnodeflag, RegMRM>;
1033 } // Constraints = "$src1 = $dst"
1035 def NAME#8mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi8 , opnode>;
1036 def NAME#16mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi16, opnode>;
1037 def NAME#32mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi32, opnode>;
1038 def NAME#64mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi64, opnode>;
1040 // NOTE: These are order specific, we want the mi8 forms to be listed
1041 // first so that they are slightly preferred to the mi forms.
1042 def NAME#16mi8 : BinOpMI8_RMW<mnemonic, Xi16, opnode, MemMRM>;
1043 def NAME#32mi8 : BinOpMI8_RMW<mnemonic, Xi32, opnode, MemMRM>;
1044 def NAME#64mi8 : BinOpMI8_RMW<mnemonic, Xi64, opnode, MemMRM>;
1046 def NAME#8mi : BinOpMI_RMW<mnemonic, Xi8 , opnode, MemMRM>;
1047 def NAME#16mi : BinOpMI_RMW<mnemonic, Xi16, opnode, MemMRM>;
1048 def NAME#32mi : BinOpMI_RMW<mnemonic, Xi32, opnode, MemMRM>;
1049 def NAME#64mi32 : BinOpMI_RMW<mnemonic, Xi64, opnode, MemMRM>;
1050 } // Defs = [EFLAGS]
1052 def NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
1053 "{$src, %al|al, $src}">;
1054 def NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
1055 "{$src, %ax|ax, $src}">;
1056 def NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
1057 "{$src, %eax|eax, $src}">;
1058 def NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
1059 "{$src, %rax|rax, $src}">;
1062 /// ArithBinOp_RFF - This is an arithmetic binary operator where the pattern is
1063 /// defined with "(set GPR:$dst, EFLAGS, (node LHS, RHS, EFLAGS))" like ADC and
1066 /// It would be nice to get rid of the second and third argument here, but
1067 /// tblgen can't handle dependent type references aggressively enough: PR8330
1068 multiclass ArithBinOp_RFF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
1069 string mnemonic, Format RegMRM, Format MemMRM,
1070 SDNode opnode, bit CommutableRR,
1071 bit ConvertibleToThreeAddress> {
1072 let Uses = [EFLAGS], Defs = [EFLAGS] in {
1073 let Constraints = "$src1 = $dst" in {
1074 let isCommutable = CommutableRR,
1075 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1076 def NAME#8rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi8 , opnode>;
1077 def NAME#16rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi16, opnode>;
1078 def NAME#32rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi32, opnode>;
1079 def NAME#64rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi64, opnode>;
1082 def NAME#8rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi8>;
1083 def NAME#16rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi16>;
1084 def NAME#32rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi32>;
1085 def NAME#64rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi64>;
1087 def NAME#8rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi8 , opnode>;
1088 def NAME#16rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi16, opnode>;
1089 def NAME#32rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi32, opnode>;
1090 def NAME#64rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi64, opnode>;
1092 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1093 // NOTE: These are order specific, we want the ri8 forms to be listed
1094 // first so that they are slightly preferred to the ri forms.
1095 def NAME#16ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi16, opnode, RegMRM>;
1096 def NAME#32ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi32, opnode, RegMRM>;
1097 def NAME#64ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi64, opnode, RegMRM>;
1099 def NAME#8ri : BinOpRI_RFF<0x80, mnemonic, Xi8 , opnode, RegMRM>;
1100 def NAME#16ri : BinOpRI_RFF<0x80, mnemonic, Xi16, opnode, RegMRM>;
1101 def NAME#32ri : BinOpRI_RFF<0x80, mnemonic, Xi32, opnode, RegMRM>;
1102 def NAME#64ri32: BinOpRI_RFF<0x80, mnemonic, Xi64, opnode, RegMRM>;
1104 } // Constraints = "$src1 = $dst"
1106 def NAME#8mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi8 , opnode>;
1107 def NAME#16mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi16, opnode>;
1108 def NAME#32mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi32, opnode>;
1109 def NAME#64mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi64, opnode>;
1111 // NOTE: These are order specific, we want the mi8 forms to be listed
1112 // first so that they are slightly preferred to the mi forms.
1113 def NAME#16mi8 : BinOpMI8_RMW_FF<mnemonic, Xi16, opnode, MemMRM>;
1114 def NAME#32mi8 : BinOpMI8_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
1115 def NAME#64mi8 : BinOpMI8_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
1117 def NAME#8mi : BinOpMI_RMW_FF<mnemonic, Xi8 , opnode, MemMRM>;
1118 def NAME#16mi : BinOpMI_RMW_FF<mnemonic, Xi16, opnode, MemMRM>;
1119 def NAME#32mi : BinOpMI_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
1120 def NAME#64mi32 : BinOpMI_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
1121 } // Uses = [EFLAGS], Defs = [EFLAGS]
1123 def NAME#8i8 : BinOpAI_FF<BaseOpc4, mnemonic, Xi8 , AL,
1124 "{$src, %al|al, $src}">;
1125 def NAME#16i16 : BinOpAI_FF<BaseOpc4, mnemonic, Xi16, AX,
1126 "{$src, %ax|ax, $src}">;
1127 def NAME#32i32 : BinOpAI_FF<BaseOpc4, mnemonic, Xi32, EAX,
1128 "{$src, %eax|eax, $src}">;
1129 def NAME#64i32 : BinOpAI_FF<BaseOpc4, mnemonic, Xi64, RAX,
1130 "{$src, %rax|rax, $src}">;
1133 /// ArithBinOp_F - This is an arithmetic binary operator where the pattern is
1134 /// defined with "(set EFLAGS, (...". It would be really nice to find a way
1135 /// to factor this with the other ArithBinOp_*.
1137 multiclass ArithBinOp_F<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
1138 string mnemonic, Format RegMRM, Format MemMRM,
1140 bit CommutableRR, bit ConvertibleToThreeAddress> {
1141 let Defs = [EFLAGS] in {
1142 let isCommutable = CommutableRR,
1143 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1144 def NAME#8rr : BinOpRR_F<BaseOpc, mnemonic, Xi8 , opnode>;
1145 def NAME#16rr : BinOpRR_F<BaseOpc, mnemonic, Xi16, opnode>;
1146 def NAME#32rr : BinOpRR_F<BaseOpc, mnemonic, Xi32, opnode>;
1147 def NAME#64rr : BinOpRR_F<BaseOpc, mnemonic, Xi64, opnode>;
1150 def NAME#8rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi8>;
1151 def NAME#16rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi16>;
1152 def NAME#32rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi32>;
1153 def NAME#64rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi64>;
1155 def NAME#8rm : BinOpRM_F<BaseOpc2, mnemonic, Xi8 , opnode>;
1156 def NAME#16rm : BinOpRM_F<BaseOpc2, mnemonic, Xi16, opnode>;
1157 def NAME#32rm : BinOpRM_F<BaseOpc2, mnemonic, Xi32, opnode>;
1158 def NAME#64rm : BinOpRM_F<BaseOpc2, mnemonic, Xi64, opnode>;
1160 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1161 // NOTE: These are order specific, we want the ri8 forms to be listed
1162 // first so that they are slightly preferred to the ri forms.
1163 def NAME#16ri8 : BinOpRI8_F<0x82, mnemonic, Xi16, opnode, RegMRM>;
1164 def NAME#32ri8 : BinOpRI8_F<0x82, mnemonic, Xi32, opnode, RegMRM>;
1165 def NAME#64ri8 : BinOpRI8_F<0x82, mnemonic, Xi64, opnode, RegMRM>;
1167 def NAME#8ri : BinOpRI_F<0x80, mnemonic, Xi8 , opnode, RegMRM>;
1168 def NAME#16ri : BinOpRI_F<0x80, mnemonic, Xi16, opnode, RegMRM>;
1169 def NAME#32ri : BinOpRI_F<0x80, mnemonic, Xi32, opnode, RegMRM>;
1170 def NAME#64ri32: BinOpRI_F<0x80, mnemonic, Xi64, opnode, RegMRM>;
1173 def NAME#8mr : BinOpMR_F<BaseOpc, mnemonic, Xi8 , opnode>;
1174 def NAME#16mr : BinOpMR_F<BaseOpc, mnemonic, Xi16, opnode>;
1175 def NAME#32mr : BinOpMR_F<BaseOpc, mnemonic, Xi32, opnode>;
1176 def NAME#64mr : BinOpMR_F<BaseOpc, mnemonic, Xi64, opnode>;
1178 // NOTE: These are order specific, we want the mi8 forms to be listed
1179 // first so that they are slightly preferred to the mi forms.
1180 def NAME#16mi8 : BinOpMI8_F<mnemonic, Xi16, opnode, MemMRM>;
1181 def NAME#32mi8 : BinOpMI8_F<mnemonic, Xi32, opnode, MemMRM>;
1182 def NAME#64mi8 : BinOpMI8_F<mnemonic, Xi64, opnode, MemMRM>;
1184 def NAME#8mi : BinOpMI_F<mnemonic, Xi8 , opnode, MemMRM>;
1185 def NAME#16mi : BinOpMI_F<mnemonic, Xi16, opnode, MemMRM>;
1186 def NAME#32mi : BinOpMI_F<mnemonic, Xi32, opnode, MemMRM>;
1187 def NAME#64mi32 : BinOpMI_F<mnemonic, Xi64, opnode, MemMRM>;
1188 } // Defs = [EFLAGS]
1190 def NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
1191 "{$src, %al|al, $src}">;
1192 def NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
1193 "{$src, %ax|ax, $src}">;
1194 def NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
1195 "{$src, %eax|eax, $src}">;
1196 def NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
1197 "{$src, %rax|rax, $src}">;
1201 defm AND : ArithBinOp_RF<0x20, 0x22, 0x24, "and", MRM4r, MRM4m,
1202 X86and_flag, and, 1, 0>;
1203 defm OR : ArithBinOp_RF<0x08, 0x0A, 0x0C, "or", MRM1r, MRM1m,
1204 X86or_flag, or, 1, 0>;
1205 defm XOR : ArithBinOp_RF<0x30, 0x32, 0x34, "xor", MRM6r, MRM6m,
1206 X86xor_flag, xor, 1, 0>;
1207 defm ADD : ArithBinOp_RF<0x00, 0x02, 0x04, "add", MRM0r, MRM0m,
1208 X86add_flag, add, 1, 1>;
1209 let isCompare = 1 in {
1210 defm SUB : ArithBinOp_RF<0x28, 0x2A, 0x2C, "sub", MRM5r, MRM5m,
1211 X86sub_flag, sub, 0, 0>;
1215 defm ADC : ArithBinOp_RFF<0x10, 0x12, 0x14, "adc", MRM2r, MRM2m, X86adc_flag,
1217 defm SBB : ArithBinOp_RFF<0x18, 0x1A, 0x1C, "sbb", MRM3r, MRM3m, X86sbb_flag,
1220 let isCompare = 1 in {
1221 defm CMP : ArithBinOp_F<0x38, 0x3A, 0x3C, "cmp", MRM7r, MRM7m, X86cmp, 0, 0>;
1225 //===----------------------------------------------------------------------===//
1226 // Semantically, test instructions are similar like AND, except they don't
1227 // generate a result. From an encoding perspective, they are very different:
1228 // they don't have all the usual imm8 and REV forms, and are encoded into a
1230 def X86testpat : PatFrag<(ops node:$lhs, node:$rhs),
1231 (X86cmp (and_su node:$lhs, node:$rhs), 0)>;
1233 let isCompare = 1 in {
1234 let Defs = [EFLAGS] in {
1235 let isCommutable = 1 in {
1236 def TEST8rr : BinOpRR_F<0x84, "test", Xi8 , X86testpat, MRMSrcReg>;
1237 def TEST16rr : BinOpRR_F<0x84, "test", Xi16, X86testpat, MRMSrcReg>;
1238 def TEST32rr : BinOpRR_F<0x84, "test", Xi32, X86testpat, MRMSrcReg>;
1239 def TEST64rr : BinOpRR_F<0x84, "test", Xi64, X86testpat, MRMSrcReg>;
1242 def TEST8rm : BinOpRM_F<0x84, "test", Xi8 , X86testpat>;
1243 def TEST16rm : BinOpRM_F<0x84, "test", Xi16, X86testpat>;
1244 def TEST32rm : BinOpRM_F<0x84, "test", Xi32, X86testpat>;
1245 def TEST64rm : BinOpRM_F<0x84, "test", Xi64, X86testpat>;
1247 def TEST8ri : BinOpRI_F<0xF6, "test", Xi8 , X86testpat, MRM0r>;
1248 def TEST16ri : BinOpRI_F<0xF6, "test", Xi16, X86testpat, MRM0r>;
1249 def TEST32ri : BinOpRI_F<0xF6, "test", Xi32, X86testpat, MRM0r>;
1250 def TEST64ri32 : BinOpRI_F<0xF6, "test", Xi64, X86testpat, MRM0r>;
1252 def TEST8mi : BinOpMI_F<"test", Xi8 , X86testpat, MRM0m, 0xF6>;
1253 def TEST16mi : BinOpMI_F<"test", Xi16, X86testpat, MRM0m, 0xF6>;
1254 def TEST32mi : BinOpMI_F<"test", Xi32, X86testpat, MRM0m, 0xF6>;
1255 def TEST64mi32 : BinOpMI_F<"test", Xi64, X86testpat, MRM0m, 0xF6>;
1257 // When testing the result of EXTRACT_SUBREG sub_8bit_hi, make sure the
1258 // register class is constrained to GR8_NOREX. This pseudo is explicitly
1259 // marked side-effect free, since it doesn't have an isel pattern like
1260 // other test instructions.
1261 let isPseudo = 1, hasSideEffects = 0 in
1262 def TEST8ri_NOREX : I<0, Pseudo, (outs), (ins GR8_NOREX:$src, i8imm:$mask),
1263 "", [], IIC_BIN_NONMEM>, Sched<[WriteALU]>;
1264 } // Defs = [EFLAGS]
1266 def TEST8i8 : BinOpAI<0xA8, "test", Xi8 , AL,
1267 "{$src, %al|al, $src}">;
1268 def TEST16i16 : BinOpAI<0xA8, "test", Xi16, AX,
1269 "{$src, %ax|ax, $src}">;
1270 def TEST32i32 : BinOpAI<0xA8, "test", Xi32, EAX,
1271 "{$src, %eax|eax, $src}">;
1272 def TEST64i32 : BinOpAI<0xA8, "test", Xi64, RAX,
1273 "{$src, %rax|rax, $src}">;
1276 //===----------------------------------------------------------------------===//
1279 multiclass bmi_andn<string mnemonic, RegisterClass RC, X86MemOperand x86memop,
1281 def rr : I<0xF2, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
1282 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
1283 [(set RC:$dst, EFLAGS, (X86and_flag (not RC:$src1), RC:$src2))],
1284 IIC_BIN_NONMEM>, Sched<[WriteALU]>;
1285 def rm : I<0xF2, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
1286 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
1287 [(set RC:$dst, EFLAGS,
1288 (X86and_flag (not RC:$src1), (ld_frag addr:$src2)))], IIC_BIN_MEM>,
1289 Sched<[WriteALULd, ReadAfterLd]>;
1292 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1293 defm ANDN32 : bmi_andn<"andn{l}", GR32, i32mem, loadi32>, T8PS, VEX_4V;
1294 defm ANDN64 : bmi_andn<"andn{q}", GR64, i64mem, loadi64>, T8PS, VEX_4V, VEX_W;
1297 let Predicates = [HasBMI] in {
1298 def : Pat<(and (not GR32:$src1), GR32:$src2),
1299 (ANDN32rr GR32:$src1, GR32:$src2)>;
1300 def : Pat<(and (not GR64:$src1), GR64:$src2),
1301 (ANDN64rr GR64:$src1, GR64:$src2)>;
1302 def : Pat<(and (not GR32:$src1), (loadi32 addr:$src2)),
1303 (ANDN32rm GR32:$src1, addr:$src2)>;
1304 def : Pat<(and (not GR64:$src1), (loadi64 addr:$src2)),
1305 (ANDN64rm GR64:$src1, addr:$src2)>;
1308 //===----------------------------------------------------------------------===//
1311 multiclass bmi_mulx<string mnemonic, RegisterClass RC, X86MemOperand x86memop> {
1312 let hasSideEffects = 0 in {
1313 let isCommutable = 1 in
1314 def rr : I<0xF6, MRMSrcReg, (outs RC:$dst1, RC:$dst2), (ins RC:$src),
1315 !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
1316 [], IIC_MUL8>, T8XD, VEX_4V, Sched<[WriteIMul, WriteIMulH]>;
1319 def rm : I<0xF6, MRMSrcMem, (outs RC:$dst1, RC:$dst2), (ins x86memop:$src),
1320 !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
1321 [], IIC_MUL8>, T8XD, VEX_4V, Sched<[WriteIMulLd, WriteIMulH]>;
1325 let Predicates = [HasBMI2] in {
1327 defm MULX32 : bmi_mulx<"mulx{l}", GR32, i32mem>;
1329 defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem>, VEX_W;
1332 //===----------------------------------------------------------------------===//
1335 let Predicates = [HasADX], Defs = [EFLAGS], Uses = [EFLAGS],
1336 Constraints = "$src0 = $dst", AddedComplexity = 10 in {
1337 let SchedRW = [WriteALU] in {
1338 def ADCX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst),
1339 (ins GR32:$src0, GR32:$src), "adcx{l}\t{$src, $dst|$dst, $src}",
1340 [(set GR32:$dst, EFLAGS,
1341 (X86adc_flag GR32:$src0, GR32:$src, EFLAGS))],
1342 IIC_BIN_CARRY_NONMEM>, T8PD;
1343 def ADCX64rr : RI<0xF6, MRMSrcReg, (outs GR64:$dst),
1344 (ins GR64:$src0, GR64:$src), "adcx{q}\t{$src, $dst|$dst, $src}",
1345 [(set GR64:$dst, EFLAGS,
1346 (X86adc_flag GR64:$src0, GR64:$src, EFLAGS))],
1347 IIC_BIN_CARRY_NONMEM>, T8PD;
1350 let mayLoad = 1, SchedRW = [WriteALULd] in {
1351 def ADCX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst),
1352 (ins GR32:$src0, i32mem:$src), "adcx{l}\t{$src, $dst|$dst, $src}",
1353 [(set GR32:$dst, EFLAGS,
1354 (X86adc_flag GR32:$src0, (loadi32 addr:$src), EFLAGS))],
1355 IIC_BIN_CARRY_MEM>, T8PD;
1357 def ADCX64rm : RI<0xF6, MRMSrcMem, (outs GR64:$dst),
1358 (ins GR64:$src0, i64mem:$src), "adcx{q}\t{$src, $dst|$dst, $src}",
1359 [(set GR64:$dst, EFLAGS,
1360 (X86adc_flag GR64:$src0, (loadi64 addr:$src), EFLAGS))],
1361 IIC_BIN_CARRY_MEM>, T8PD;
1365 //===----------------------------------------------------------------------===//
1368 let Predicates = [HasADX], hasSideEffects = 0, Defs = [EFLAGS],
1369 Uses = [EFLAGS] in {
1370 let SchedRW = [WriteALU] in {
1371 def ADOX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1372 "adox{l}\t{$src, $dst|$dst, $src}", [], IIC_BIN_NONMEM>, T8XS;
1374 def ADOX64rr : RI<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1375 "adox{q}\t{$src, $dst|$dst, $src}", [], IIC_BIN_NONMEM>, T8XS;
1378 let mayLoad = 1, SchedRW = [WriteALULd] in {
1379 def ADOX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1380 "adox{l}\t{$src, $dst|$dst, $src}", [], IIC_BIN_MEM>, T8XS;
1382 def ADOX64rm : RI<0xF6, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1383 "adox{q}\t{$src, $dst|$dst, $src}", [], IIC_BIN_MEM>, T8XS;