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 neverHasSideEffects = 1 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>, OpSize;
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 Requires<[In32BitMode]>;
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 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:$src)),
66 (implicit EFLAGS)], IIC_MUL8>, Sched<[WriteIMul]>;
68 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
69 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
71 [], IIC_MUL16_REG>, OpSize, Sched<[WriteIMul]>;
73 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 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>, Sched<[WriteIMul]>;
79 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 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, neverHasSideEffects = 1 in {
95 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
96 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
98 [], IIC_MUL16_MEM>, OpSize, SchedLoadReg<WriteIMulLd>;
99 // EAX,EDX = EAX*[mem32]
100 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
101 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
103 [], IIC_MUL32_MEM>, 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 neverHasSideEffects = 1 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>, OpSize, 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>, 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>, OpSize,
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>, SchedLoadReg<WriteIMulLd>;
142 // RAX,RDX = RAX*[mem64]
143 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
144 def IMUL64m : RI<0xF7, MRM5m, (outs), (ins i64mem:$src),
145 "imul{q}\t$src", [], IIC_IMUL64>, SchedLoadReg<WriteIMulLd>;
147 } // neverHasSideEffects
150 let Defs = [EFLAGS] in {
151 let Constraints = "$src1 = $dst" in {
153 let isCommutable = 1, SchedRW = [WriteIMul] in {
154 // X = IMUL Y, Z --> X = IMUL Z, Y
155 // Register-Register Signed Integer Multiply
156 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
157 "imul{w}\t{$src2, $dst|$dst, $src2}",
158 [(set GR16:$dst, EFLAGS,
159 (X86smul_flag GR16:$src1, GR16:$src2))], IIC_IMUL16_RR>,
161 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
162 "imul{l}\t{$src2, $dst|$dst, $src2}",
163 [(set GR32:$dst, EFLAGS,
164 (X86smul_flag GR32:$src1, GR32:$src2))], IIC_IMUL32_RR>,
166 def IMUL64rr : RI<0xAF, MRMSrcReg, (outs GR64:$dst),
167 (ins GR64:$src1, GR64:$src2),
168 "imul{q}\t{$src2, $dst|$dst, $src2}",
169 [(set GR64:$dst, EFLAGS,
170 (X86smul_flag GR64:$src1, GR64:$src2))], IIC_IMUL64_RR>,
172 } // isCommutable, SchedRW
174 // Register-Memory Signed Integer Multiply
175 let SchedRW = [WriteIMulLd, ReadAfterLd] in {
176 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
177 (ins GR16:$src1, i16mem:$src2),
178 "imul{w}\t{$src2, $dst|$dst, $src2}",
179 [(set GR16:$dst, EFLAGS,
180 (X86smul_flag GR16:$src1, (load addr:$src2)))],
183 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
184 (ins GR32:$src1, i32mem:$src2),
185 "imul{l}\t{$src2, $dst|$dst, $src2}",
186 [(set GR32:$dst, EFLAGS,
187 (X86smul_flag GR32:$src1, (load addr:$src2)))],
190 def IMUL64rm : RI<0xAF, MRMSrcMem, (outs GR64:$dst),
191 (ins GR64:$src1, i64mem:$src2),
192 "imul{q}\t{$src2, $dst|$dst, $src2}",
193 [(set GR64:$dst, EFLAGS,
194 (X86smul_flag GR64:$src1, (load addr:$src2)))],
198 } // Constraints = "$src1 = $dst"
202 // Surprisingly enough, these are not two address instructions!
203 let Defs = [EFLAGS] in {
204 let SchedRW = [WriteIMul] in {
205 // Register-Integer Signed Integer Multiply
206 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
207 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
208 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
209 [(set GR16:$dst, EFLAGS,
210 (X86smul_flag GR16:$src1, imm:$src2))],
211 IIC_IMUL16_RRI>, OpSize;
212 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
213 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
214 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
215 [(set GR16:$dst, EFLAGS,
216 (X86smul_flag GR16:$src1, i16immSExt8:$src2))],
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))],
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))],
231 def IMUL64rri32 : RIi32<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))],
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))],
274 def IMUL64rmi32 : RIi32<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>, OpSize;
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>;
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>, OpSize,
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>;
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>, OpSize;
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>;
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>, OpSize,
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>,
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:$src1)),
384 (implicit EFLAGS)], IIC_UNARY_REG>, OpSize;
385 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
387 [(set GR32:$dst, (ineg GR32:$src1)),
388 (implicit EFLAGS)], IIC_UNARY_REG>;
389 def NEG64r : RI<0xF7, MRM3r, (outs GR64:$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:$dst),
403 (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize;
404 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
406 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
407 (implicit EFLAGS)], IIC_UNARY_MEM>;
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:$src1))], IIC_UNARY_REG>, OpSize;
426 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
428 [(set GR32:$dst, (not GR32:$src1))], IIC_UNARY_REG>;
429 def NOT64r : RI<0xF7, MRM2r, (outs GR64:$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>;
445 def NOT64m : RI<0xF7, MRM2m, (outs), (ins i64mem:$dst), "not{q}\t$dst",
446 [(store (not (loadi64 addr:$dst)), addr:$dst)], IIC_UNARY_MEM>;
450 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
451 let Defs = [EFLAGS] in {
452 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
454 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
456 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))],
459 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
460 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
462 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))], IIC_UNARY_REG>,
463 OpSize, Requires<[In32BitMode]>;
464 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
466 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))],
468 Requires<[In32BitMode]>;
469 def INC64r : RI<0xFF, MRM0r, (outs GR64:$dst), (ins GR64:$src1), "inc{q}\t$dst",
470 [(set GR64:$dst, EFLAGS, (X86inc_flag GR64:$src1))],
472 } // isConvertibleToThreeAddress = 1, CodeSize = 1
475 // In 64-bit mode, single byte INC and DEC cannot be encoded.
476 let isConvertibleToThreeAddress = 1, CodeSize = 2 in {
477 // Can transform into LEA.
478 def INC64_16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
480 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))],
482 OpSize, Requires<[In64BitMode]>;
483 def INC64_32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
485 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))],
487 Requires<[In64BitMode]>;
488 def DEC64_16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
490 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))],
492 OpSize, Requires<[In64BitMode]>;
493 def DEC64_32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
495 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))],
497 Requires<[In64BitMode]>;
498 } // isConvertibleToThreeAddress = 1, CodeSize = 2
500 } // Constraints = "$src1 = $dst", SchedRW
502 let CodeSize = 2, SchedRW = [WriteALULd, WriteRMW] in {
503 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
504 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
505 (implicit EFLAGS)], IIC_UNARY_MEM>;
506 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
507 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
508 (implicit EFLAGS)], IIC_UNARY_MEM>,
509 OpSize, Requires<[In32BitMode]>;
510 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
511 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
512 (implicit EFLAGS)], IIC_UNARY_MEM>,
513 Requires<[In32BitMode]>;
514 def INC64m : RI<0xFF, MRM0m, (outs), (ins i64mem:$dst), "inc{q}\t$dst",
515 [(store (add (loadi64 addr:$dst), 1), addr:$dst),
516 (implicit EFLAGS)], IIC_UNARY_MEM>;
518 // These are duplicates of their 32-bit counterparts. Only needed so X86 knows
519 // how to unfold them.
520 // FIXME: What is this for??
521 def INC64_16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
522 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
523 (implicit EFLAGS)], IIC_UNARY_MEM>,
524 OpSize, Requires<[In64BitMode]>;
525 def INC64_32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
526 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
527 (implicit EFLAGS)], IIC_UNARY_MEM>,
528 Requires<[In64BitMode]>;
529 def DEC64_16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
530 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
531 (implicit EFLAGS)], IIC_UNARY_MEM>,
532 OpSize, Requires<[In64BitMode]>;
533 def DEC64_32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
534 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
535 (implicit EFLAGS)], IIC_UNARY_MEM>,
536 Requires<[In64BitMode]>;
537 } // CodeSize = 2, SchedRW
539 let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
541 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
543 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))],
545 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
546 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
548 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))],
550 OpSize, Requires<[In32BitMode]>;
551 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
553 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))],
555 Requires<[In32BitMode]>;
556 def DEC64r : RI<0xFF, MRM1r, (outs GR64:$dst), (ins GR64:$src1), "dec{q}\t$dst",
557 [(set GR64:$dst, EFLAGS, (X86dec_flag GR64:$src1))],
560 } // Constraints = "$src1 = $dst", SchedRW
563 let CodeSize = 2, SchedRW = [WriteALULd, WriteRMW] in {
564 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
565 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
566 (implicit EFLAGS)], IIC_UNARY_MEM>;
567 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
568 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
569 (implicit EFLAGS)], IIC_UNARY_MEM>,
570 OpSize, Requires<[In32BitMode]>;
571 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
572 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
573 (implicit EFLAGS)], IIC_UNARY_MEM>,
574 Requires<[In32BitMode]>;
575 def DEC64m : RI<0xFF, MRM1m, (outs), (ins i64mem:$dst), "dec{q}\t$dst",
576 [(store (add (loadi64 addr:$dst), -1), addr:$dst),
577 (implicit EFLAGS)], IIC_UNARY_MEM>;
578 } // CodeSize = 2, SchedRW
582 /// X86TypeInfo - This is a bunch of information that describes relevant X86
583 /// information about value types. For example, it can tell you what the
584 /// register class and preferred load to use.
585 class X86TypeInfo<ValueType vt, string instrsuffix, RegisterClass regclass,
586 PatFrag loadnode, X86MemOperand memoperand, ImmType immkind,
587 Operand immoperand, SDPatternOperator immoperator,
588 Operand imm8operand, SDPatternOperator imm8operator,
589 bit hasOddOpcode, bit hasOpSizePrefix, bit hasREX_WPrefix> {
590 /// VT - This is the value type itself.
593 /// InstrSuffix - This is the suffix used on instructions with this type. For
594 /// example, i8 -> "b", i16 -> "w", i32 -> "l", i64 -> "q".
595 string InstrSuffix = instrsuffix;
597 /// RegClass - This is the register class associated with this type. For
598 /// example, i8 -> GR8, i16 -> GR16, i32 -> GR32, i64 -> GR64.
599 RegisterClass RegClass = regclass;
601 /// LoadNode - This is the load node associated with this type. For
602 /// example, i8 -> loadi8, i16 -> loadi16, i32 -> loadi32, i64 -> loadi64.
603 PatFrag LoadNode = loadnode;
605 /// MemOperand - This is the memory operand associated with this type. For
606 /// example, i8 -> i8mem, i16 -> i16mem, i32 -> i32mem, i64 -> i64mem.
607 X86MemOperand MemOperand = memoperand;
609 /// ImmEncoding - This is the encoding of an immediate of this type. For
610 /// example, i8 -> Imm8, i16 -> Imm16, i32 -> Imm32. Note that i64 -> Imm32
611 /// since the immediate fields of i64 instructions is a 32-bit sign extended
613 ImmType ImmEncoding = immkind;
615 /// ImmOperand - This is the operand kind of an immediate of this type. For
616 /// example, i8 -> i8imm, i16 -> i16imm, i32 -> i32imm. Note that i64 ->
617 /// i64i32imm since the immediate fields of i64 instructions is a 32-bit sign
619 Operand ImmOperand = immoperand;
621 /// ImmOperator - This is the operator that should be used to match an
622 /// immediate of this kind in a pattern (e.g. imm, or i64immSExt32).
623 SDPatternOperator ImmOperator = immoperator;
625 /// Imm8Operand - This is the operand kind to use for an imm8 of this type.
626 /// For example, i8 -> <invalid>, i16 -> i16i8imm, i32 -> i32i8imm. This is
627 /// only used for instructions that have a sign-extended imm8 field form.
628 Operand Imm8Operand = imm8operand;
630 /// Imm8Operator - This is the operator that should be used to match an 8-bit
631 /// sign extended immediate of this kind in a pattern (e.g. imm16immSExt8).
632 SDPatternOperator Imm8Operator = imm8operator;
634 /// HasOddOpcode - This bit is true if the instruction should have an odd (as
635 /// opposed to even) opcode. Operations on i8 are usually even, operations on
636 /// other datatypes are odd.
637 bit HasOddOpcode = hasOddOpcode;
639 /// HasOpSizePrefix - This bit is set to true if the instruction should have
640 /// the 0x66 operand size prefix. This is set for i16 types.
641 bit HasOpSizePrefix = hasOpSizePrefix;
643 /// HasREX_WPrefix - This bit is set to true if the instruction should have
644 /// the 0x40 REX prefix. This is set for i64 types.
645 bit HasREX_WPrefix = hasREX_WPrefix;
648 def invalid_node : SDNode<"<<invalid_node>>", SDTIntLeaf,[],"<<invalid_node>>">;
651 def Xi8 : X86TypeInfo<i8 , "b", GR8 , loadi8 , i8mem ,
652 Imm8 , i8imm , imm, i8imm , invalid_node,
654 def Xi16 : X86TypeInfo<i16, "w", GR16, loadi16, i16mem,
655 Imm16, i16imm, imm, i16i8imm, i16immSExt8,
657 def Xi32 : X86TypeInfo<i32, "l", GR32, loadi32, i32mem,
658 Imm32, i32imm, imm, i32i8imm, i32immSExt8,
660 def Xi64 : X86TypeInfo<i64, "q", GR64, loadi64, i64mem,
661 Imm32, i64i32imm, i64immSExt32, i64i8imm, i64immSExt8,
664 /// ITy - This instruction base class takes the type info for the instruction.
666 /// 1. Concatenates together the instruction mnemonic with the appropriate
667 /// suffix letter, a tab, and the arguments.
668 /// 2. Infers whether the instruction should have a 0x66 prefix byte.
669 /// 3. Infers whether the instruction should have a 0x40 REX_W prefix.
670 /// 4. Infers whether the low bit of the opcode should be 0 (for i8 operations)
671 /// or 1 (for i16,i32,i64 operations).
672 class ITy<bits<8> opcode, Format f, X86TypeInfo typeinfo, dag outs, dag ins,
673 string mnemonic, string args, list<dag> pattern,
674 InstrItinClass itin = IIC_BIN_NONMEM>
675 : I<{opcode{7}, opcode{6}, opcode{5}, opcode{4},
676 opcode{3}, opcode{2}, opcode{1}, typeinfo.HasOddOpcode },
678 !strconcat(mnemonic, "{", typeinfo.InstrSuffix, "}\t", args), pattern,
681 // Infer instruction prefixes from type info.
682 let hasOpSizePrefix = typeinfo.HasOpSizePrefix;
683 let hasREX_WPrefix = typeinfo.HasREX_WPrefix;
686 // BinOpRR - Instructions like "add reg, reg, reg".
687 class BinOpRR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
688 dag outlist, list<dag> pattern, InstrItinClass itin,
689 Format f = MRMDestReg>
690 : ITy<opcode, f, typeinfo, outlist,
691 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
692 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
695 // BinOpRR_R - Instructions like "add reg, reg, reg", where the pattern has
696 // just a regclass (no eflags) as a result.
697 class BinOpRR_R<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
699 : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
700 [(set typeinfo.RegClass:$dst,
701 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))],
704 // BinOpRR_F - Instructions like "cmp reg, Reg", where the pattern has
705 // just a EFLAGS as a result.
706 class BinOpRR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
707 SDPatternOperator opnode, Format f = MRMDestReg>
708 : BinOpRR<opcode, mnemonic, typeinfo, (outs),
710 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))],
713 // BinOpRR_RF - Instructions like "add reg, reg, reg", where the pattern has
714 // both a regclass and EFLAGS as a result.
715 class BinOpRR_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
717 : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
718 [(set typeinfo.RegClass:$dst, EFLAGS,
719 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))],
722 // BinOpRR_RFF - Instructions like "adc reg, reg, reg", where the pattern has
723 // both a regclass and EFLAGS as a result, and has EFLAGS as input.
724 class BinOpRR_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
726 : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
727 [(set typeinfo.RegClass:$dst, EFLAGS,
728 (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2,
729 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
731 // BinOpRR_Rev - Instructions like "add reg, reg, reg" (reversed encoding).
732 class BinOpRR_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
733 InstrItinClass itin = IIC_BIN_NONMEM>
734 : ITy<opcode, MRMSrcReg, typeinfo,
735 (outs typeinfo.RegClass:$dst),
736 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
737 mnemonic, "{$src2, $dst|$dst, $src2}", [], itin>,
739 // The disassembler should know about this, but not the asmparser.
740 let isCodeGenOnly = 1;
741 let hasSideEffects = 0;
744 // BinOpRR_RDD_Rev - Instructions like "adc reg, reg, reg" (reversed encoding).
745 class BinOpRR_RFF_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
746 : BinOpRR_Rev<opcode, mnemonic, typeinfo, IIC_BIN_CARRY_NONMEM>;
748 // BinOpRR_F_Rev - Instructions like "cmp reg, reg" (reversed encoding).
749 class BinOpRR_F_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
750 : ITy<opcode, MRMSrcReg, typeinfo, (outs),
751 (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
752 mnemonic, "{$src2, $src1|$src1, $src2}", [], IIC_BIN_NONMEM>,
754 // The disassembler should know about this, but not the asmparser.
755 let isCodeGenOnly = 1;
756 let hasSideEffects = 0;
759 // BinOpRM - Instructions like "add reg, reg, [mem]".
760 class BinOpRM<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
761 dag outlist, list<dag> pattern,
762 InstrItinClass itin = IIC_BIN_MEM>
763 : ITy<opcode, MRMSrcMem, typeinfo, outlist,
764 (ins typeinfo.RegClass:$src1, typeinfo.MemOperand:$src2),
765 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
766 Sched<[WriteALULd, ReadAfterLd]>;
768 // BinOpRM_R - Instructions like "add reg, reg, [mem]".
769 class BinOpRM_R<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
771 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
772 [(set typeinfo.RegClass:$dst,
773 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
775 // BinOpRM_F - Instructions like "cmp reg, [mem]".
776 class BinOpRM_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
777 SDPatternOperator opnode>
778 : BinOpRM<opcode, mnemonic, typeinfo, (outs),
780 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
782 // BinOpRM_RF - Instructions like "add reg, reg, [mem]".
783 class BinOpRM_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
785 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
786 [(set typeinfo.RegClass:$dst, EFLAGS,
787 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
789 // BinOpRM_RFF - Instructions like "adc reg, reg, [mem]".
790 class BinOpRM_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
792 : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst),
793 [(set typeinfo.RegClass:$dst, EFLAGS,
794 (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2),
795 EFLAGS))], IIC_BIN_CARRY_MEM>;
797 // BinOpRI - Instructions like "add reg, reg, imm".
798 class BinOpRI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
799 Format f, dag outlist, list<dag> pattern,
800 InstrItinClass itin = IIC_BIN_NONMEM>
801 : ITy<opcode, f, typeinfo, outlist,
802 (ins typeinfo.RegClass:$src1, typeinfo.ImmOperand:$src2),
803 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
805 let ImmT = typeinfo.ImmEncoding;
808 // BinOpRI_R - Instructions like "add reg, reg, imm".
809 class BinOpRI_R<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
810 SDNode opnode, Format f>
811 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
812 [(set typeinfo.RegClass:$dst,
813 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
815 // BinOpRI_F - Instructions like "cmp reg, imm".
816 class BinOpRI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
817 SDPatternOperator opnode, Format f>
818 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs),
820 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
822 // BinOpRI_RF - Instructions like "add reg, reg, imm".
823 class BinOpRI_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
824 SDNode opnode, Format f>
825 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
826 [(set typeinfo.RegClass:$dst, EFLAGS,
827 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
828 // BinOpRI_RFF - Instructions like "adc reg, reg, imm".
829 class BinOpRI_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
830 SDNode opnode, Format f>
831 : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
832 [(set typeinfo.RegClass:$dst, EFLAGS,
833 (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2,
834 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
836 // BinOpRI8 - Instructions like "add reg, reg, imm8".
837 class BinOpRI8<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
838 Format f, dag outlist, list<dag> pattern,
839 InstrItinClass itin = IIC_BIN_NONMEM>
840 : ITy<opcode, f, typeinfo, outlist,
841 (ins typeinfo.RegClass:$src1, typeinfo.Imm8Operand:$src2),
842 mnemonic, "{$src2, $src1|$src1, $src2}", pattern, itin>,
844 let ImmT = Imm8; // Always 8-bit immediate.
847 // BinOpRI8_R - Instructions like "add reg, reg, imm8".
848 class BinOpRI8_R<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
849 SDNode opnode, Format f>
850 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
851 [(set typeinfo.RegClass:$dst,
852 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
854 // BinOpRI8_F - Instructions like "cmp reg, imm8".
855 class BinOpRI8_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
856 SDNode opnode, Format f>
857 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs),
859 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
861 // BinOpRI8_RF - Instructions like "add reg, reg, imm8".
862 class BinOpRI8_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
863 SDNode opnode, Format f>
864 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
865 [(set typeinfo.RegClass:$dst, EFLAGS,
866 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
868 // BinOpRI8_RFF - Instructions like "adc reg, reg, imm8".
869 class BinOpRI8_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
870 SDNode opnode, Format f>
871 : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst),
872 [(set typeinfo.RegClass:$dst, EFLAGS,
873 (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2,
874 EFLAGS))], IIC_BIN_CARRY_NONMEM>;
876 // BinOpMR - Instructions like "add [mem], reg".
877 class BinOpMR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
878 list<dag> pattern, InstrItinClass itin = IIC_BIN_MEM>
879 : ITy<opcode, MRMDestMem, typeinfo,
880 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.RegClass:$src),
881 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
882 Sched<[WriteALULd, WriteRMW]>;
884 // BinOpMR_RMW - Instructions like "add [mem], reg".
885 class BinOpMR_RMW<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
887 : BinOpMR<opcode, mnemonic, typeinfo,
888 [(store (opnode (load addr:$dst), typeinfo.RegClass:$src), addr:$dst),
891 // BinOpMR_RMW_FF - Instructions like "adc [mem], reg".
892 class BinOpMR_RMW_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
894 : BinOpMR<opcode, mnemonic, typeinfo,
895 [(store (opnode (load addr:$dst), typeinfo.RegClass:$src, EFLAGS),
897 (implicit EFLAGS)], IIC_BIN_CARRY_MEM>;
899 // BinOpMR_F - Instructions like "cmp [mem], reg".
900 class BinOpMR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
902 : BinOpMR<opcode, mnemonic, typeinfo,
903 [(set EFLAGS, (opnode (load addr:$dst), typeinfo.RegClass:$src))]>;
905 // BinOpMI - Instructions like "add [mem], imm".
906 class BinOpMI<string mnemonic, X86TypeInfo typeinfo,
907 Format f, list<dag> pattern, bits<8> opcode = 0x80,
908 InstrItinClass itin = IIC_BIN_MEM>
909 : ITy<opcode, f, typeinfo,
910 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.ImmOperand:$src),
911 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
912 Sched<[WriteALULd, WriteRMW]> {
913 let ImmT = typeinfo.ImmEncoding;
916 // BinOpMI_RMW - Instructions like "add [mem], imm".
917 class BinOpMI_RMW<string mnemonic, X86TypeInfo typeinfo,
918 SDNode opnode, Format f>
919 : BinOpMI<mnemonic, typeinfo, f,
920 [(store (opnode (typeinfo.VT (load addr:$dst)),
921 typeinfo.ImmOperator:$src), addr:$dst),
923 // BinOpMI_RMW_FF - Instructions like "adc [mem], imm".
924 class BinOpMI_RMW_FF<string mnemonic, X86TypeInfo typeinfo,
925 SDNode opnode, Format f>
926 : BinOpMI<mnemonic, typeinfo, f,
927 [(store (opnode (typeinfo.VT (load addr:$dst)),
928 typeinfo.ImmOperator:$src, EFLAGS), addr:$dst),
929 (implicit EFLAGS)], 0x80, IIC_BIN_CARRY_MEM>;
931 // BinOpMI_F - Instructions like "cmp [mem], imm".
932 class BinOpMI_F<string mnemonic, X86TypeInfo typeinfo,
933 SDPatternOperator opnode, Format f, bits<8> opcode = 0x80>
934 : BinOpMI<mnemonic, typeinfo, f,
935 [(set EFLAGS, (opnode (typeinfo.VT (load addr:$dst)),
936 typeinfo.ImmOperator:$src))],
939 // BinOpMI8 - Instructions like "add [mem], imm8".
940 class BinOpMI8<string mnemonic, X86TypeInfo typeinfo,
941 Format f, list<dag> pattern,
942 InstrItinClass itin = IIC_BIN_MEM>
943 : ITy<0x82, f, typeinfo,
944 (outs), (ins typeinfo.MemOperand:$dst, typeinfo.Imm8Operand:$src),
945 mnemonic, "{$src, $dst|$dst, $src}", pattern, itin>,
946 Sched<[WriteALULd, WriteRMW]> {
947 let ImmT = Imm8; // Always 8-bit immediate.
950 // BinOpMI8_RMW - Instructions like "add [mem], imm8".
951 class BinOpMI8_RMW<string mnemonic, X86TypeInfo typeinfo,
952 SDNode opnode, Format f>
953 : BinOpMI8<mnemonic, typeinfo, f,
954 [(store (opnode (load addr:$dst),
955 typeinfo.Imm8Operator:$src), addr:$dst),
958 // BinOpMI8_RMW_FF - Instructions like "adc [mem], imm8".
959 class BinOpMI8_RMW_FF<string mnemonic, X86TypeInfo typeinfo,
960 SDNode opnode, Format f>
961 : BinOpMI8<mnemonic, typeinfo, f,
962 [(store (opnode (load addr:$dst),
963 typeinfo.Imm8Operator:$src, EFLAGS), addr:$dst),
964 (implicit EFLAGS)], IIC_BIN_CARRY_MEM>;
966 // BinOpMI8_F - Instructions like "cmp [mem], imm8".
967 class BinOpMI8_F<string mnemonic, X86TypeInfo typeinfo,
968 SDNode opnode, Format f>
969 : BinOpMI8<mnemonic, typeinfo, f,
970 [(set EFLAGS, (opnode (load addr:$dst),
971 typeinfo.Imm8Operator:$src))]>;
973 // BinOpAI - Instructions like "add %eax, %eax, imm", that imp-def EFLAGS.
974 class BinOpAI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
975 Register areg, string operands,
976 InstrItinClass itin = IIC_BIN_NONMEM>
977 : ITy<opcode, RawFrm, typeinfo,
978 (outs), (ins typeinfo.ImmOperand:$src),
979 mnemonic, operands, [], itin>, Sched<[WriteALU]> {
980 let ImmT = typeinfo.ImmEncoding;
982 let Defs = [areg, EFLAGS];
983 let hasSideEffects = 0;
986 // BinOpAI_FF - Instructions like "adc %eax, %eax, imm", that implicitly define
988 class BinOpAI_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
989 Register areg, string operands>
990 : BinOpAI<opcode, mnemonic, typeinfo, areg, operands,
991 IIC_BIN_CARRY_NONMEM> {
992 let Uses = [areg, EFLAGS];
995 /// ArithBinOp_RF - This is an arithmetic binary operator where the pattern is
996 /// defined with "(set GPR:$dst, EFLAGS, (...".
998 /// It would be nice to get rid of the second and third argument here, but
999 /// tblgen can't handle dependent type references aggressively enough: PR8330
1000 multiclass ArithBinOp_RF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
1001 string mnemonic, Format RegMRM, Format MemMRM,
1002 SDNode opnodeflag, SDNode opnode,
1003 bit CommutableRR, bit ConvertibleToThreeAddress> {
1004 let Defs = [EFLAGS] in {
1005 let Constraints = "$src1 = $dst" in {
1006 let isCommutable = CommutableRR,
1007 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1008 def NAME#8rr : BinOpRR_RF<BaseOpc, mnemonic, Xi8 , opnodeflag>;
1009 def NAME#16rr : BinOpRR_RF<BaseOpc, mnemonic, Xi16, opnodeflag>;
1010 def NAME#32rr : BinOpRR_RF<BaseOpc, mnemonic, Xi32, opnodeflag>;
1011 def NAME#64rr : BinOpRR_RF<BaseOpc, mnemonic, Xi64, opnodeflag>;
1014 def NAME#8rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi8>;
1015 def NAME#16rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi16>;
1016 def NAME#32rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi32>;
1017 def NAME#64rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi64>;
1019 def NAME#8rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi8 , opnodeflag>;
1020 def NAME#16rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi16, opnodeflag>;
1021 def NAME#32rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi32, opnodeflag>;
1022 def NAME#64rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi64, opnodeflag>;
1024 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1025 // NOTE: These are order specific, we want the ri8 forms to be listed
1026 // first so that they are slightly preferred to the ri forms.
1027 def NAME#16ri8 : BinOpRI8_RF<0x82, mnemonic, Xi16, opnodeflag, RegMRM>;
1028 def NAME#32ri8 : BinOpRI8_RF<0x82, mnemonic, Xi32, opnodeflag, RegMRM>;
1029 def NAME#64ri8 : BinOpRI8_RF<0x82, mnemonic, Xi64, opnodeflag, RegMRM>;
1031 def NAME#8ri : BinOpRI_RF<0x80, mnemonic, Xi8 , opnodeflag, RegMRM>;
1032 def NAME#16ri : BinOpRI_RF<0x80, mnemonic, Xi16, opnodeflag, RegMRM>;
1033 def NAME#32ri : BinOpRI_RF<0x80, mnemonic, Xi32, opnodeflag, RegMRM>;
1034 def NAME#64ri32: BinOpRI_RF<0x80, mnemonic, Xi64, opnodeflag, RegMRM>;
1036 } // Constraints = "$src1 = $dst"
1038 def NAME#8mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi8 , opnode>;
1039 def NAME#16mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi16, opnode>;
1040 def NAME#32mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi32, opnode>;
1041 def NAME#64mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi64, opnode>;
1043 // NOTE: These are order specific, we want the mi8 forms to be listed
1044 // first so that they are slightly preferred to the mi forms.
1045 def NAME#16mi8 : BinOpMI8_RMW<mnemonic, Xi16, opnode, MemMRM>;
1046 def NAME#32mi8 : BinOpMI8_RMW<mnemonic, Xi32, opnode, MemMRM>;
1047 def NAME#64mi8 : BinOpMI8_RMW<mnemonic, Xi64, opnode, MemMRM>;
1049 def NAME#8mi : BinOpMI_RMW<mnemonic, Xi8 , opnode, MemMRM>;
1050 def NAME#16mi : BinOpMI_RMW<mnemonic, Xi16, opnode, MemMRM>;
1051 def NAME#32mi : BinOpMI_RMW<mnemonic, Xi32, opnode, MemMRM>;
1052 def NAME#64mi32 : BinOpMI_RMW<mnemonic, Xi64, opnode, MemMRM>;
1053 } // Defs = [EFLAGS]
1055 def NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
1056 "{$src, %al|al, $src}">;
1057 def NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
1058 "{$src, %ax|ax, $src}">;
1059 def NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
1060 "{$src, %eax|eax, $src}">;
1061 def NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
1062 "{$src, %rax|rax, $src}">;
1065 /// ArithBinOp_RFF - This is an arithmetic binary operator where the pattern is
1066 /// defined with "(set GPR:$dst, EFLAGS, (node LHS, RHS, EFLAGS))" like ADC and
1069 /// It would be nice to get rid of the second and third argument here, but
1070 /// tblgen can't handle dependent type references aggressively enough: PR8330
1071 multiclass ArithBinOp_RFF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
1072 string mnemonic, Format RegMRM, Format MemMRM,
1073 SDNode opnode, bit CommutableRR,
1074 bit ConvertibleToThreeAddress> {
1075 let Uses = [EFLAGS], Defs = [EFLAGS] in {
1076 let Constraints = "$src1 = $dst" in {
1077 let isCommutable = CommutableRR,
1078 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1079 def NAME#8rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi8 , opnode>;
1080 def NAME#16rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi16, opnode>;
1081 def NAME#32rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi32, opnode>;
1082 def NAME#64rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi64, opnode>;
1085 def NAME#8rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi8>;
1086 def NAME#16rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi16>;
1087 def NAME#32rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi32>;
1088 def NAME#64rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi64>;
1090 def NAME#8rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi8 , opnode>;
1091 def NAME#16rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi16, opnode>;
1092 def NAME#32rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi32, opnode>;
1093 def NAME#64rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi64, opnode>;
1095 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1096 // NOTE: These are order specific, we want the ri8 forms to be listed
1097 // first so that they are slightly preferred to the ri forms.
1098 def NAME#16ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi16, opnode, RegMRM>;
1099 def NAME#32ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi32, opnode, RegMRM>;
1100 def NAME#64ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi64, opnode, RegMRM>;
1102 def NAME#8ri : BinOpRI_RFF<0x80, mnemonic, Xi8 , opnode, RegMRM>;
1103 def NAME#16ri : BinOpRI_RFF<0x80, mnemonic, Xi16, opnode, RegMRM>;
1104 def NAME#32ri : BinOpRI_RFF<0x80, mnemonic, Xi32, opnode, RegMRM>;
1105 def NAME#64ri32: BinOpRI_RFF<0x80, mnemonic, Xi64, opnode, RegMRM>;
1107 } // Constraints = "$src1 = $dst"
1109 def NAME#8mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi8 , opnode>;
1110 def NAME#16mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi16, opnode>;
1111 def NAME#32mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi32, opnode>;
1112 def NAME#64mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi64, opnode>;
1114 // NOTE: These are order specific, we want the mi8 forms to be listed
1115 // first so that they are slightly preferred to the mi forms.
1116 def NAME#16mi8 : BinOpMI8_RMW_FF<mnemonic, Xi16, opnode, MemMRM>;
1117 def NAME#32mi8 : BinOpMI8_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
1118 def NAME#64mi8 : BinOpMI8_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
1120 def NAME#8mi : BinOpMI_RMW_FF<mnemonic, Xi8 , opnode, MemMRM>;
1121 def NAME#16mi : BinOpMI_RMW_FF<mnemonic, Xi16, opnode, MemMRM>;
1122 def NAME#32mi : BinOpMI_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
1123 def NAME#64mi32 : BinOpMI_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
1124 } // Uses = [EFLAGS], Defs = [EFLAGS]
1126 def NAME#8i8 : BinOpAI_FF<BaseOpc4, mnemonic, Xi8 , AL,
1127 "{$src, %al|al, $src}">;
1128 def NAME#16i16 : BinOpAI_FF<BaseOpc4, mnemonic, Xi16, AX,
1129 "{$src, %ax|ax, $src}">;
1130 def NAME#32i32 : BinOpAI_FF<BaseOpc4, mnemonic, Xi32, EAX,
1131 "{$src, %eax|eax, $src}">;
1132 def NAME#64i32 : BinOpAI_FF<BaseOpc4, mnemonic, Xi64, RAX,
1133 "{$src, %rax|rax, $src}">;
1136 /// ArithBinOp_F - This is an arithmetic binary operator where the pattern is
1137 /// defined with "(set EFLAGS, (...". It would be really nice to find a way
1138 /// to factor this with the other ArithBinOp_*.
1140 multiclass ArithBinOp_F<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
1141 string mnemonic, Format RegMRM, Format MemMRM,
1143 bit CommutableRR, bit ConvertibleToThreeAddress> {
1144 let Defs = [EFLAGS] in {
1145 let isCommutable = CommutableRR,
1146 isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1147 def NAME#8rr : BinOpRR_F<BaseOpc, mnemonic, Xi8 , opnode>;
1148 def NAME#16rr : BinOpRR_F<BaseOpc, mnemonic, Xi16, opnode>;
1149 def NAME#32rr : BinOpRR_F<BaseOpc, mnemonic, Xi32, opnode>;
1150 def NAME#64rr : BinOpRR_F<BaseOpc, mnemonic, Xi64, opnode>;
1153 def NAME#8rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi8>;
1154 def NAME#16rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi16>;
1155 def NAME#32rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi32>;
1156 def NAME#64rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi64>;
1158 def NAME#8rm : BinOpRM_F<BaseOpc2, mnemonic, Xi8 , opnode>;
1159 def NAME#16rm : BinOpRM_F<BaseOpc2, mnemonic, Xi16, opnode>;
1160 def NAME#32rm : BinOpRM_F<BaseOpc2, mnemonic, Xi32, opnode>;
1161 def NAME#64rm : BinOpRM_F<BaseOpc2, mnemonic, Xi64, opnode>;
1163 let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
1164 // NOTE: These are order specific, we want the ri8 forms to be listed
1165 // first so that they are slightly preferred to the ri forms.
1166 def NAME#16ri8 : BinOpRI8_F<0x82, mnemonic, Xi16, opnode, RegMRM>;
1167 def NAME#32ri8 : BinOpRI8_F<0x82, mnemonic, Xi32, opnode, RegMRM>;
1168 def NAME#64ri8 : BinOpRI8_F<0x82, mnemonic, Xi64, opnode, RegMRM>;
1170 def NAME#8ri : BinOpRI_F<0x80, mnemonic, Xi8 , opnode, RegMRM>;
1171 def NAME#16ri : BinOpRI_F<0x80, mnemonic, Xi16, opnode, RegMRM>;
1172 def NAME#32ri : BinOpRI_F<0x80, mnemonic, Xi32, opnode, RegMRM>;
1173 def NAME#64ri32: BinOpRI_F<0x80, mnemonic, Xi64, opnode, RegMRM>;
1176 def NAME#8mr : BinOpMR_F<BaseOpc, mnemonic, Xi8 , opnode>;
1177 def NAME#16mr : BinOpMR_F<BaseOpc, mnemonic, Xi16, opnode>;
1178 def NAME#32mr : BinOpMR_F<BaseOpc, mnemonic, Xi32, opnode>;
1179 def NAME#64mr : BinOpMR_F<BaseOpc, mnemonic, Xi64, opnode>;
1181 // NOTE: These are order specific, we want the mi8 forms to be listed
1182 // first so that they are slightly preferred to the mi forms.
1183 def NAME#16mi8 : BinOpMI8_F<mnemonic, Xi16, opnode, MemMRM>;
1184 def NAME#32mi8 : BinOpMI8_F<mnemonic, Xi32, opnode, MemMRM>;
1185 def NAME#64mi8 : BinOpMI8_F<mnemonic, Xi64, opnode, MemMRM>;
1187 def NAME#8mi : BinOpMI_F<mnemonic, Xi8 , opnode, MemMRM>;
1188 def NAME#16mi : BinOpMI_F<mnemonic, Xi16, opnode, MemMRM>;
1189 def NAME#32mi : BinOpMI_F<mnemonic, Xi32, opnode, MemMRM>;
1190 def NAME#64mi32 : BinOpMI_F<mnemonic, Xi64, opnode, MemMRM>;
1191 } // Defs = [EFLAGS]
1193 def NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
1194 "{$src, %al|al, $src}">;
1195 def NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
1196 "{$src, %ax|ax, $src}">;
1197 def NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
1198 "{$src, %eax|eax, $src}">;
1199 def NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
1200 "{$src, %rax|rax, $src}">;
1204 defm AND : ArithBinOp_RF<0x20, 0x22, 0x24, "and", MRM4r, MRM4m,
1205 X86and_flag, and, 1, 0>;
1206 defm OR : ArithBinOp_RF<0x08, 0x0A, 0x0C, "or", MRM1r, MRM1m,
1207 X86or_flag, or, 1, 0>;
1208 defm XOR : ArithBinOp_RF<0x30, 0x32, 0x34, "xor", MRM6r, MRM6m,
1209 X86xor_flag, xor, 1, 0>;
1210 defm ADD : ArithBinOp_RF<0x00, 0x02, 0x04, "add", MRM0r, MRM0m,
1211 X86add_flag, add, 1, 1>;
1212 let isCompare = 1 in {
1213 defm SUB : ArithBinOp_RF<0x28, 0x2A, 0x2C, "sub", MRM5r, MRM5m,
1214 X86sub_flag, sub, 0, 0>;
1218 defm ADC : ArithBinOp_RFF<0x10, 0x12, 0x14, "adc", MRM2r, MRM2m, X86adc_flag,
1220 defm SBB : ArithBinOp_RFF<0x18, 0x1A, 0x1C, "sbb", MRM3r, MRM3m, X86sbb_flag,
1223 let isCompare = 1 in {
1224 defm CMP : ArithBinOp_F<0x38, 0x3A, 0x3C, "cmp", MRM7r, MRM7m, X86cmp, 0, 0>;
1228 //===----------------------------------------------------------------------===//
1229 // Semantically, test instructions are similar like AND, except they don't
1230 // generate a result. From an encoding perspective, they are very different:
1231 // they don't have all the usual imm8 and REV forms, and are encoded into a
1233 def X86testpat : PatFrag<(ops node:$lhs, node:$rhs),
1234 (X86cmp (and_su node:$lhs, node:$rhs), 0)>;
1236 let isCompare = 1 in {
1237 let Defs = [EFLAGS] in {
1238 let isCommutable = 1 in {
1239 def TEST8rr : BinOpRR_F<0x84, "test", Xi8 , X86testpat, MRMSrcReg>;
1240 def TEST16rr : BinOpRR_F<0x84, "test", Xi16, X86testpat, MRMSrcReg>;
1241 def TEST32rr : BinOpRR_F<0x84, "test", Xi32, X86testpat, MRMSrcReg>;
1242 def TEST64rr : BinOpRR_F<0x84, "test", Xi64, X86testpat, MRMSrcReg>;
1245 def TEST8rm : BinOpRM_F<0x84, "test", Xi8 , X86testpat>;
1246 def TEST16rm : BinOpRM_F<0x84, "test", Xi16, X86testpat>;
1247 def TEST32rm : BinOpRM_F<0x84, "test", Xi32, X86testpat>;
1248 def TEST64rm : BinOpRM_F<0x84, "test", Xi64, X86testpat>;
1250 def TEST8ri : BinOpRI_F<0xF6, "test", Xi8 , X86testpat, MRM0r>;
1251 def TEST16ri : BinOpRI_F<0xF6, "test", Xi16, X86testpat, MRM0r>;
1252 def TEST32ri : BinOpRI_F<0xF6, "test", Xi32, X86testpat, MRM0r>;
1253 def TEST64ri32 : BinOpRI_F<0xF6, "test", Xi64, X86testpat, MRM0r>;
1255 def TEST8mi : BinOpMI_F<"test", Xi8 , X86testpat, MRM0m, 0xF6>;
1256 def TEST16mi : BinOpMI_F<"test", Xi16, X86testpat, MRM0m, 0xF6>;
1257 def TEST32mi : BinOpMI_F<"test", Xi32, X86testpat, MRM0m, 0xF6>;
1258 def TEST64mi32 : BinOpMI_F<"test", Xi64, X86testpat, MRM0m, 0xF6>;
1260 // When testing the result of EXTRACT_SUBREG sub_8bit_hi, make sure the
1261 // register class is constrained to GR8_NOREX.
1263 def TEST8ri_NOREX : I<0, Pseudo, (outs), (ins GR8_NOREX:$src, i8imm:$mask),
1264 "", [], IIC_BIN_NONMEM>, Sched<[WriteALU]>;
1265 } // Defs = [EFLAGS]
1267 def TEST8i8 : BinOpAI<0xA8, "test", Xi8 , AL,
1268 "{$src, %al|al, $src}">;
1269 def TEST16i16 : BinOpAI<0xA8, "test", Xi16, AX,
1270 "{$src, %ax|ax, $src}">;
1271 def TEST32i32 : BinOpAI<0xA8, "test", Xi32, EAX,
1272 "{$src, %eax|eax, $src}">;
1273 def TEST64i32 : BinOpAI<0xA8, "test", Xi64, RAX,
1274 "{$src, %rax|rax, $src}">;
1277 //===----------------------------------------------------------------------===//
1280 multiclass bmi_andn<string mnemonic, RegisterClass RC, X86MemOperand x86memop,
1282 def rr : I<0xF2, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
1283 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
1284 [(set RC:$dst, EFLAGS, (X86and_flag (not RC:$src1), RC:$src2))],
1285 IIC_BIN_NONMEM>, Sched<[WriteALU]>;
1286 def rm : I<0xF2, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
1287 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
1288 [(set RC:$dst, EFLAGS,
1289 (X86and_flag (not RC:$src1), (ld_frag addr:$src2)))], IIC_BIN_MEM>,
1290 Sched<[WriteALULd, ReadAfterLd]>;
1293 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1294 defm ANDN32 : bmi_andn<"andn{l}", GR32, i32mem, loadi32>, T8, VEX_4V;
1295 defm ANDN64 : bmi_andn<"andn{q}", GR64, i64mem, loadi64>, T8, VEX_4V, VEX_W;
1298 let Predicates = [HasBMI] in {
1299 def : Pat<(and (not GR32:$src1), GR32:$src2),
1300 (ANDN32rr GR32:$src1, GR32:$src2)>;
1301 def : Pat<(and (not GR64:$src1), GR64:$src2),
1302 (ANDN64rr GR64:$src1, GR64:$src2)>;
1303 def : Pat<(and (not GR32:$src1), (loadi32 addr:$src2)),
1304 (ANDN32rm GR32:$src1, addr:$src2)>;
1305 def : Pat<(and (not GR64:$src1), (loadi64 addr:$src2)),
1306 (ANDN64rm GR64:$src1, addr:$src2)>;
1309 //===----------------------------------------------------------------------===//
1312 multiclass bmi_mulx<string mnemonic, RegisterClass RC, X86MemOperand x86memop> {
1313 let neverHasSideEffects = 1 in {
1314 let isCommutable = 1 in
1315 def rr : I<0xF6, MRMSrcReg, (outs RC:$dst1, RC:$dst2), (ins RC:$src),
1316 !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
1317 [], IIC_MUL8>, T8XD, VEX_4V, Sched<[WriteIMul, WriteIMulH]>;
1320 def rm : I<0xF6, MRMSrcMem, (outs RC:$dst1, RC:$dst2), (ins x86memop:$src),
1321 !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
1322 [], IIC_MUL8>, T8XD, VEX_4V, Sched<[WriteIMulLd, WriteIMulH]>;
1326 let Predicates = [HasBMI2] in {
1328 defm MULX32 : bmi_mulx<"mulx{l}", GR32, i32mem>;
1330 defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem>, VEX_W;
1333 //===----------------------------------------------------------------------===//
1336 let hasSideEffects = 0, Predicates = [HasADX], Defs = [EFLAGS] in {
1337 let SchedRW = [WriteALU] in {
1338 def ADCX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1339 "adcx{l}\t{$src, $dst|$dst, $src}",
1340 [], IIC_BIN_NONMEM>, T8, OpSize;
1342 def ADCX64rr : I<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1343 "adcx{q}\t{$src, $dst|$dst, $src}",
1344 [], IIC_BIN_NONMEM>, T8, OpSize, REX_W, Requires<[In64BitMode]>;
1347 let mayLoad = 1, SchedRW = [WriteALULd] in {
1348 def ADCX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1349 "adcx{l}\t{$src, $dst|$dst, $src}",
1350 [], IIC_BIN_MEM>, T8, OpSize;
1352 def ADCX64rm : I<0xF6, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1353 "adcx{q}\t{$src, $dst|$dst, $src}",
1354 [], IIC_BIN_MEM>, T8, OpSize, REX_W, Requires<[In64BitMode]>;
1358 //===----------------------------------------------------------------------===//
1361 let hasSideEffects = 0, Predicates = [HasADX], Defs = [EFLAGS] in {
1362 let SchedRW = [WriteALU] in {
1363 def ADOX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1364 "adox{l}\t{$src, $dst|$dst, $src}",
1365 [], IIC_BIN_NONMEM>, T8XS;
1367 def ADOX64rr : I<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1368 "adox{q}\t{$src, $dst|$dst, $src}",
1369 [], IIC_BIN_NONMEM>, T8XS, REX_W, Requires<[In64BitMode]>;
1372 let mayLoad = 1, SchedRW = [WriteALULd] in {
1373 def ADOX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1374 "adox{l}\t{$src, $dst|$dst, $src}",
1375 [], IIC_BIN_MEM>, T8XS;
1377 def ADOX64rm : I<0xF6, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1378 "adox{q}\t{$src, $dst|$dst, $src}",
1379 [], IIC_BIN_MEM>, T8XS, REX_W, Requires<[In64BitMode]>;