1 //===- X86DisassemblerTables.cpp - Disassembler tables ----------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file is part of the X86 Disassembler Emitter.
10 // It contains the implementation of the disassembler tables.
11 // Documentation for the disassembler emitter in general can be found in
12 // X86DisassemblerEmitter.h.
14 //===----------------------------------------------------------------------===//
16 #include "X86DisassemblerTables.h"
17 #include "X86DisassemblerShared.h"
18 #include "llvm/ADT/STLExtras.h"
19 #include "llvm/Support/ErrorHandling.h"
20 #include "llvm/Support/Format.h"
24 using namespace X86Disassembler;
26 /// stringForContext - Returns a string containing the name of a particular
27 /// InstructionContext, usually for diagnostic purposes.
29 /// @param insnContext - The instruction class to transform to a string.
30 /// @return - A statically-allocated string constant that contains the
31 /// name of the instruction class.
32 static inline const char* stringForContext(InstructionContext insnContext) {
33 switch (insnContext) {
35 llvm_unreachable("Unhandled instruction class");
36 #define ENUM_ENTRY(n, r, d) case n: return #n; break;
37 #define ENUM_ENTRY_K_B(n, r, d) ENUM_ENTRY(n, r, d) ENUM_ENTRY(n##_K_B, r, d)\
38 ENUM_ENTRY(n##_KZ, r, d) ENUM_ENTRY(n##_K, r, d) ENUM_ENTRY(n##_B, r, d)\
39 ENUM_ENTRY(n##_KZ_B, r, d)
46 /// stringForOperandType - Like stringForContext, but for OperandTypes.
47 static inline const char* stringForOperandType(OperandType type) {
50 llvm_unreachable("Unhandled type");
51 #define ENUM_ENTRY(i, d) case i: return #i;
57 /// stringForOperandEncoding - like stringForContext, but for
59 static inline const char* stringForOperandEncoding(OperandEncoding encoding) {
62 llvm_unreachable("Unhandled encoding");
63 #define ENUM_ENTRY(i, d) case i: return #i;
69 /// inheritsFrom - Indicates whether all instructions in one class also belong
72 /// @param child - The class that may be the subset
73 /// @param parent - The class that may be the superset
74 /// @return - True if child is a subset of parent, false otherwise.
75 static inline bool inheritsFrom(InstructionContext child,
76 InstructionContext parent, bool noPrefix = true,
77 bool VEX_LIG = false, bool VEX_WIG = false,
78 bool AdSize64 = false) {
84 return(inheritsFrom(child, IC_64BIT, AdSize64) ||
85 (noPrefix && inheritsFrom(child, IC_OPSIZE, noPrefix)) ||
86 inheritsFrom(child, IC_ADSIZE) ||
87 (noPrefix && inheritsFrom(child, IC_XD, noPrefix)) ||
88 (noPrefix && inheritsFrom(child, IC_XS, noPrefix)));
90 return(inheritsFrom(child, IC_64BIT_REXW) ||
91 (noPrefix && inheritsFrom(child, IC_64BIT_OPSIZE, noPrefix)) ||
92 (!AdSize64 && inheritsFrom(child, IC_64BIT_ADSIZE)) ||
93 (noPrefix && inheritsFrom(child, IC_64BIT_XD, noPrefix)) ||
94 (noPrefix && inheritsFrom(child, IC_64BIT_XS, noPrefix)));
96 return inheritsFrom(child, IC_64BIT_OPSIZE) ||
97 inheritsFrom(child, IC_OPSIZE_ADSIZE);
99 return (noPrefix && inheritsFrom(child, IC_OPSIZE_ADSIZE, noPrefix));
100 case IC_OPSIZE_ADSIZE:
102 case IC_64BIT_ADSIZE:
103 return (noPrefix && inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE, noPrefix));
104 case IC_64BIT_OPSIZE_ADSIZE:
107 return inheritsFrom(child, IC_64BIT_XD);
109 return inheritsFrom(child, IC_64BIT_XS);
111 return inheritsFrom(child, IC_64BIT_XD_OPSIZE);
113 return inheritsFrom(child, IC_64BIT_XS_OPSIZE);
115 return inheritsFrom(child, IC_64BIT_XD_ADSIZE);
117 return inheritsFrom(child, IC_64BIT_XS_ADSIZE);
119 return((noPrefix && inheritsFrom(child, IC_64BIT_REXW_XS, noPrefix)) ||
120 (noPrefix && inheritsFrom(child, IC_64BIT_REXW_XD, noPrefix)) ||
121 (noPrefix && inheritsFrom(child, IC_64BIT_REXW_OPSIZE, noPrefix)) ||
122 (!AdSize64 && inheritsFrom(child, IC_64BIT_REXW_ADSIZE)));
123 case IC_64BIT_OPSIZE:
124 return inheritsFrom(child, IC_64BIT_REXW_OPSIZE) ||
125 (!AdSize64 && inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE)) ||
126 (!AdSize64 && inheritsFrom(child, IC_64BIT_REXW_ADSIZE));
128 return(inheritsFrom(child, IC_64BIT_REXW_XD) ||
129 (!AdSize64 && inheritsFrom(child, IC_64BIT_XD_ADSIZE)));
131 return(inheritsFrom(child, IC_64BIT_REXW_XS) ||
132 (!AdSize64 && inheritsFrom(child, IC_64BIT_XS_ADSIZE)));
133 case IC_64BIT_XD_OPSIZE:
134 case IC_64BIT_XS_OPSIZE:
136 case IC_64BIT_XD_ADSIZE:
137 case IC_64BIT_XS_ADSIZE:
139 case IC_64BIT_REXW_XD:
140 case IC_64BIT_REXW_XS:
141 case IC_64BIT_REXW_OPSIZE:
142 case IC_64BIT_REXW_ADSIZE:
145 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W)) ||
146 (VEX_WIG && inheritsFrom(child, IC_VEX_W)) ||
147 (VEX_LIG && inheritsFrom(child, IC_VEX_L));
149 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XS)) ||
150 (VEX_WIG && inheritsFrom(child, IC_VEX_W_XS)) ||
151 (VEX_LIG && inheritsFrom(child, IC_VEX_L_XS));
153 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XD)) ||
154 (VEX_WIG && inheritsFrom(child, IC_VEX_W_XD)) ||
155 (VEX_LIG && inheritsFrom(child, IC_VEX_L_XD));
157 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE)) ||
158 (VEX_WIG && inheritsFrom(child, IC_VEX_W_OPSIZE)) ||
159 (VEX_LIG && inheritsFrom(child, IC_VEX_L_OPSIZE));
161 return VEX_LIG && inheritsFrom(child, IC_VEX_L_W);
163 return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_XS);
165 return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_XD);
166 case IC_VEX_W_OPSIZE:
167 return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE);
169 return VEX_WIG && inheritsFrom(child, IC_VEX_L_W);
171 return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XS);
173 return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XD);
174 case IC_VEX_L_OPSIZE:
175 return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE);
179 case IC_VEX_L_W_OPSIZE:
182 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W)) ||
183 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W)) ||
184 (VEX_WIG && inheritsFrom(child, IC_EVEX_W)) ||
185 (VEX_LIG && inheritsFrom(child, IC_EVEX_L)) ||
186 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2));
188 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS)) ||
189 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS)) ||
190 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS)) ||
191 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS)) ||
192 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS));
194 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD)) ||
195 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD)) ||
196 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD)) ||
197 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD)) ||
198 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD));
200 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE)) ||
201 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE)) ||
202 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE)) ||
203 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE)) ||
204 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE));
206 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K)) ||
207 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K)) ||
208 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_K)) ||
209 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_K)) ||
210 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_K));
212 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K)) ||
213 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K)) ||
214 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_K)) ||
215 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_K)) ||
216 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_K));
218 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K)) ||
219 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K)) ||
220 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_K)) ||
221 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_K)) ||
222 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_K));
223 case IC_EVEX_OPSIZE_K:
224 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K)) ||
225 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K)) ||
226 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_K)) ||
227 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_K)) ||
228 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_K));
230 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ)) ||
231 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ)) ||
232 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_KZ)) ||
233 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_KZ)) ||
234 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_KZ));
236 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ)) ||
237 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ)) ||
238 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_KZ)) ||
239 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_KZ)) ||
240 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_KZ));
242 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ)) ||
243 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ)) ||
244 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_KZ)) ||
245 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_KZ)) ||
246 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_KZ));
247 case IC_EVEX_OPSIZE_KZ:
248 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ)) ||
249 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ)) ||
250 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_KZ)) ||
251 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_KZ)) ||
252 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_KZ));
254 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W)) ||
255 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W));
257 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS)) ||
258 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS));
260 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD)) ||
261 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD));
262 case IC_EVEX_W_OPSIZE:
263 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE)) ||
264 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE));
266 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_K)) ||
267 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_K));
269 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_K)) ||
270 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K));
272 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_K)) ||
273 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K));
274 case IC_EVEX_W_OPSIZE_K:
275 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K)) ||
276 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K));
278 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_KZ)) ||
279 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_KZ));
280 case IC_EVEX_W_XS_KZ:
281 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ)) ||
282 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ));
283 case IC_EVEX_W_XD_KZ:
284 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ)) ||
285 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ));
286 case IC_EVEX_W_OPSIZE_KZ:
287 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ)) ||
288 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ));
290 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W);
292 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS);
294 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD);
295 case IC_EVEX_L_OPSIZE:
296 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE);
298 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K);
300 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K);
302 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K);
303 case IC_EVEX_L_OPSIZE_K:
304 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K);
306 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ);
307 case IC_EVEX_L_XS_KZ:
308 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ);
309 case IC_EVEX_L_XD_KZ:
310 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ);
311 case IC_EVEX_L_OPSIZE_KZ:
312 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ);
316 case IC_EVEX_L_W_OPSIZE:
319 case IC_EVEX_L_W_XS_K:
320 case IC_EVEX_L_W_XD_K:
321 case IC_EVEX_L_W_OPSIZE_K:
324 case IC_EVEX_L_W_XS_KZ:
325 case IC_EVEX_L_W_XD_KZ:
326 case IC_EVEX_L_W_OPSIZE_KZ:
329 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W);
331 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS);
333 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD);
334 case IC_EVEX_L2_OPSIZE:
335 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE);
337 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K);
338 case IC_EVEX_L2_XS_K:
339 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K);
340 case IC_EVEX_L2_XD_K:
341 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K);
342 case IC_EVEX_L2_OPSIZE_K:
343 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K);
345 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ);
346 case IC_EVEX_L2_XS_KZ:
347 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ);
348 case IC_EVEX_L2_XD_KZ:
349 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ);
350 case IC_EVEX_L2_OPSIZE_KZ:
351 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ);
353 case IC_EVEX_L2_W_XS:
354 case IC_EVEX_L2_W_XD:
355 case IC_EVEX_L2_W_OPSIZE:
358 case IC_EVEX_L2_W_XS_K:
359 case IC_EVEX_L2_W_XD_K:
360 case IC_EVEX_L2_W_OPSIZE_K:
362 case IC_EVEX_L2_W_KZ:
363 case IC_EVEX_L2_W_XS_KZ:
364 case IC_EVEX_L2_W_XD_KZ:
365 case IC_EVEX_L2_W_OPSIZE_KZ:
368 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_B)) ||
369 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_B)) ||
370 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_B)) ||
371 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_B)) ||
372 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_B));
374 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_B)) ||
375 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B)) ||
376 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_B)) ||
377 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_B)) ||
378 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_B));
380 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_B)) ||
381 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B)) ||
382 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_B)) ||
383 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_B)) ||
384 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_B));
385 case IC_EVEX_OPSIZE_B:
386 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B)) ||
387 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B)) ||
388 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_B)) ||
389 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_B)) ||
390 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_B));
392 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K_B)) ||
393 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K_B)) ||
394 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_K_B)) ||
395 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_K_B)) ||
396 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_K_B));
398 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B)) ||
399 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B)) ||
400 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_K_B)) ||
401 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_K_B)) ||
402 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_K_B));
404 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B)) ||
405 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B)) ||
406 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_K_B)) ||
407 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_K_B)) ||
408 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_K_B));
409 case IC_EVEX_OPSIZE_K_B:
410 return (VEX_LIG && VEX_WIG &&
411 inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B)) ||
412 (VEX_LIG && VEX_WIG &&
413 inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B)) ||
414 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_K_B)) ||
415 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_K_B)) ||
416 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_K_B));
418 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B)) ||
419 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B)) ||
420 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_KZ_B)) ||
421 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_KZ_B)) ||
422 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_KZ_B));
423 case IC_EVEX_XS_KZ_B:
424 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B)) ||
425 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B)) ||
426 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_KZ_B)) ||
427 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_KZ_B)) ||
428 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_KZ_B));
429 case IC_EVEX_XD_KZ_B:
430 return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B)) ||
431 (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B)) ||
432 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_KZ_B)) ||
433 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_KZ_B)) ||
434 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_KZ_B));
435 case IC_EVEX_OPSIZE_KZ_B:
436 return (VEX_LIG && VEX_WIG &&
437 inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B)) ||
438 (VEX_LIG && VEX_WIG &&
439 inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B)) ||
440 (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_KZ_B)) ||
441 (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_KZ_B)) ||
442 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_KZ_B));
444 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_B)) ||
445 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_B));
447 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_B)) ||
448 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B));
450 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_B)) ||
451 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B));
452 case IC_EVEX_W_OPSIZE_B:
453 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B)) ||
454 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B));
456 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_K_B)) ||
457 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_K_B));
458 case IC_EVEX_W_XS_K_B:
459 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B)) ||
460 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B));
461 case IC_EVEX_W_XD_K_B:
462 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B)) ||
463 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B));
464 case IC_EVEX_W_OPSIZE_K_B:
465 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B)) ||
466 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B));
468 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B)) ||
469 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B));
470 case IC_EVEX_W_XS_KZ_B:
471 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B)) ||
472 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B));
473 case IC_EVEX_W_XD_KZ_B:
474 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B)) ||
475 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B));
476 case IC_EVEX_W_OPSIZE_KZ_B:
477 return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B)) ||
478 (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B));
480 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_B);
482 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_B);
484 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_B);
485 case IC_EVEX_L_OPSIZE_B:
486 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B);
488 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K_B);
489 case IC_EVEX_L_XS_K_B:
490 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B);
491 case IC_EVEX_L_XD_K_B:
492 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B);
493 case IC_EVEX_L_OPSIZE_K_B:
494 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B);
496 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B);
497 case IC_EVEX_L_XS_KZ_B:
498 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B);
499 case IC_EVEX_L_XD_KZ_B:
500 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B);
501 case IC_EVEX_L_OPSIZE_KZ_B:
502 return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B);
504 case IC_EVEX_L_W_XS_B:
505 case IC_EVEX_L_W_XD_B:
506 case IC_EVEX_L_W_OPSIZE_B:
508 case IC_EVEX_L_W_K_B:
509 case IC_EVEX_L_W_XS_K_B:
510 case IC_EVEX_L_W_XD_K_B:
511 case IC_EVEX_L_W_OPSIZE_K_B:
513 case IC_EVEX_L_W_KZ_B:
514 case IC_EVEX_L_W_XS_KZ_B:
515 case IC_EVEX_L_W_XD_KZ_B:
516 case IC_EVEX_L_W_OPSIZE_KZ_B:
519 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_B);
520 case IC_EVEX_L2_XS_B:
521 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B);
522 case IC_EVEX_L2_XD_B:
523 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B);
524 case IC_EVEX_L2_OPSIZE_B:
525 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B);
527 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K_B);
528 case IC_EVEX_L2_XS_K_B:
529 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B);
530 case IC_EVEX_L2_XD_K_B:
531 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B);
532 case IC_EVEX_L2_OPSIZE_K_B:
533 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B);
534 case IC_EVEX_L2_KZ_B:
535 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B);
536 case IC_EVEX_L2_XS_KZ_B:
537 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B);
538 case IC_EVEX_L2_XD_KZ_B:
539 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B);
540 case IC_EVEX_L2_OPSIZE_KZ_B:
541 return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B);
543 case IC_EVEX_L2_W_XS_B:
544 case IC_EVEX_L2_W_XD_B:
545 case IC_EVEX_L2_W_OPSIZE_B:
547 case IC_EVEX_L2_W_K_B:
548 case IC_EVEX_L2_W_XS_K_B:
549 case IC_EVEX_L2_W_XD_K_B:
550 case IC_EVEX_L2_W_OPSIZE_K_B:
552 case IC_EVEX_L2_W_KZ_B:
553 case IC_EVEX_L2_W_XS_KZ_B:
554 case IC_EVEX_L2_W_XD_KZ_B:
555 case IC_EVEX_L2_W_OPSIZE_KZ_B:
558 errs() << "Unknown instruction class: " <<
559 stringForContext((InstructionContext)parent) << "\n";
560 llvm_unreachable("Unknown instruction class");
564 /// outranks - Indicates whether, if an instruction has two different applicable
565 /// classes, which class should be preferred when performing decode. This
566 /// imposes a total ordering (ties are resolved toward "lower")
568 /// @param upper - The class that may be preferable
569 /// @param lower - The class that may be less preferable
570 /// @return - True if upper is to be preferred, false otherwise.
571 static inline bool outranks(InstructionContext upper,
572 InstructionContext lower) {
573 assert(upper < IC_max);
574 assert(lower < IC_max);
576 #define ENUM_ENTRY(n, r, d) r,
577 #define ENUM_ENTRY_K_B(n, r, d) ENUM_ENTRY(n, r, d) \
578 ENUM_ENTRY(n##_K_B, r, d) ENUM_ENTRY(n##_KZ_B, r, d) \
579 ENUM_ENTRY(n##_KZ, r, d) ENUM_ENTRY(n##_K, r, d) ENUM_ENTRY(n##_B, r, d)
580 static int ranks[IC_max] = {
584 #undef ENUM_ENTRY_K_B
586 return (ranks[upper] > ranks[lower]);
589 /// getDecisionType - Determines whether a ModRM decision with 255 entries can
590 /// be compacted by eliminating redundant information.
592 /// @param decision - The decision to be compacted.
593 /// @return - The compactest available representation for the decision.
594 static ModRMDecisionType getDecisionType(ModRMDecision &decision) {
595 bool satisfiesOneEntry = true;
596 bool satisfiesSplitRM = true;
597 bool satisfiesSplitReg = true;
598 bool satisfiesSplitMisc = true;
600 for (unsigned index = 0; index < 256; ++index) {
601 if (decision.instructionIDs[index] != decision.instructionIDs[0])
602 satisfiesOneEntry = false;
604 if (((index & 0xc0) == 0xc0) &&
605 (decision.instructionIDs[index] != decision.instructionIDs[0xc0]))
606 satisfiesSplitRM = false;
608 if (((index & 0xc0) != 0xc0) &&
609 (decision.instructionIDs[index] != decision.instructionIDs[0x00]))
610 satisfiesSplitRM = false;
612 if (((index & 0xc0) == 0xc0) &&
613 (decision.instructionIDs[index] != decision.instructionIDs[index&0xf8]))
614 satisfiesSplitReg = false;
616 if (((index & 0xc0) != 0xc0) &&
617 (decision.instructionIDs[index] != decision.instructionIDs[index&0x38]))
618 satisfiesSplitMisc = false;
621 if (satisfiesOneEntry)
622 return MODRM_ONEENTRY;
624 if (satisfiesSplitRM)
625 return MODRM_SPLITRM;
627 if (satisfiesSplitReg && satisfiesSplitMisc)
628 return MODRM_SPLITREG;
630 if (satisfiesSplitMisc)
631 return MODRM_SPLITMISC;
636 /// stringForDecisionType - Returns a statically-allocated string corresponding
637 /// to a particular decision type.
639 /// @param dt - The decision type.
640 /// @return - A pointer to the statically-allocated string (e.g.,
641 /// "MODRM_ONEENTRY" for MODRM_ONEENTRY).
642 static const char* stringForDecisionType(ModRMDecisionType dt) {
643 #define ENUM_ENTRY(n) case n: return #n;
646 llvm_unreachable("Unknown decision type");
652 DisassemblerTables::DisassemblerTables() {
653 for (unsigned i = 0; i < array_lengthof(Tables); i++)
654 Tables[i] = llvm::make_unique<ContextDecision>();
656 HasConflicts = false;
659 DisassemblerTables::~DisassemblerTables() {
662 void DisassemblerTables::emitModRMDecision(raw_ostream &o1, raw_ostream &o2,
663 unsigned &i1, unsigned &i2,
664 unsigned &ModRMTableNum,
665 ModRMDecision &decision) const {
666 static uint32_t sTableNumber = 0;
667 static uint32_t sEntryNumber = 1;
668 ModRMDecisionType dt = getDecisionType(decision);
670 if (dt == MODRM_ONEENTRY && decision.instructionIDs[0] == 0)
672 o2.indent(i2) << "{ /* ModRMDecision */" << "\n";
675 o2.indent(i2) << stringForDecisionType(dt) << "," << "\n";
676 o2.indent(i2) << 0 << " /* EmptyTable */\n";
679 o2.indent(i2) << "}";
683 std::vector<unsigned> ModRMDecision;
687 llvm_unreachable("Unknown decision type");
689 ModRMDecision.push_back(decision.instructionIDs[0]);
692 ModRMDecision.push_back(decision.instructionIDs[0x00]);
693 ModRMDecision.push_back(decision.instructionIDs[0xc0]);
696 for (unsigned index = 0; index < 64; index += 8)
697 ModRMDecision.push_back(decision.instructionIDs[index]);
698 for (unsigned index = 0xc0; index < 256; index += 8)
699 ModRMDecision.push_back(decision.instructionIDs[index]);
701 case MODRM_SPLITMISC:
702 for (unsigned index = 0; index < 64; index += 8)
703 ModRMDecision.push_back(decision.instructionIDs[index]);
704 for (unsigned index = 0xc0; index < 256; ++index)
705 ModRMDecision.push_back(decision.instructionIDs[index]);
708 for (unsigned index = 0; index < 256; ++index)
709 ModRMDecision.push_back(decision.instructionIDs[index]);
713 unsigned &EntryNumber = ModRMTable[ModRMDecision];
714 if (EntryNumber == 0) {
715 EntryNumber = ModRMTableNum;
717 ModRMTableNum += ModRMDecision.size();
718 o1 << "/* Table" << EntryNumber << " */\n";
720 for (std::vector<unsigned>::const_iterator I = ModRMDecision.begin(),
721 E = ModRMDecision.end(); I != E; ++I) {
722 o1.indent(i1 * 2) << format("0x%hx", *I) << ", /* "
723 << InstructionSpecifiers[*I].name << " */\n";
728 o2.indent(i2) << "{ /* struct ModRMDecision */" << "\n";
731 o2.indent(i2) << stringForDecisionType(dt) << "," << "\n";
732 o2.indent(i2) << EntryNumber << " /* Table" << EntryNumber << " */\n";
735 o2.indent(i2) << "}";
739 llvm_unreachable("Unknown decision type");
749 case MODRM_SPLITMISC:
750 sEntryNumber += 8 + 64;
757 // We assume that the index can fit into uint16_t.
758 assert(sEntryNumber < 65536U &&
759 "Index into ModRMDecision is too large for uint16_t!");
764 void DisassemblerTables::emitOpcodeDecision(raw_ostream &o1, raw_ostream &o2,
765 unsigned &i1, unsigned &i2,
766 unsigned &ModRMTableNum,
767 OpcodeDecision &decision) const {
768 o2.indent(i2) << "{ /* struct OpcodeDecision */" << "\n";
770 o2.indent(i2) << "{" << "\n";
773 for (unsigned index = 0; index < 256; ++index) {
776 o2 << "/* 0x" << format("%02hhx", index) << " */" << "\n";
778 emitModRMDecision(o1, o2, i1, i2, ModRMTableNum,
779 decision.modRMDecisions[index]);
788 o2.indent(i2) << "}" << "\n";
790 o2.indent(i2) << "}" << "\n";
793 void DisassemblerTables::emitContextDecision(raw_ostream &o1, raw_ostream &o2,
794 unsigned &i1, unsigned &i2,
795 unsigned &ModRMTableNum,
796 ContextDecision &decision,
797 const char* name) const {
798 o2.indent(i2) << "static const struct ContextDecision " << name << " = {\n";
800 o2.indent(i2) << "{ /* opcodeDecisions */" << "\n";
803 for (unsigned index = 0; index < IC_max; ++index) {
804 o2.indent(i2) << "/* ";
805 o2 << stringForContext((InstructionContext)index);
809 emitOpcodeDecision(o1, o2, i1, i2, ModRMTableNum,
810 decision.opcodeDecisions[index]);
812 if (index + 1 < IC_max)
817 o2.indent(i2) << "}" << "\n";
819 o2.indent(i2) << "};" << "\n";
822 void DisassemblerTables::emitInstructionInfo(raw_ostream &o,
824 unsigned NumInstructions = InstructionSpecifiers.size();
826 o << "static const struct OperandSpecifier x86OperandSets[]["
827 << X86_MAX_OPERANDS << "] = {\n";
829 typedef SmallVector<std::pair<OperandEncoding, OperandType>,
830 X86_MAX_OPERANDS> OperandListTy;
831 std::map<OperandListTy, unsigned> OperandSets;
833 unsigned OperandSetNum = 0;
834 for (unsigned Index = 0; Index < NumInstructions; ++Index) {
835 OperandListTy OperandList;
837 for (unsigned OperandIndex = 0; OperandIndex < X86_MAX_OPERANDS;
839 OperandEncoding Encoding = (OperandEncoding)InstructionSpecifiers[Index]
840 .operands[OperandIndex].encoding;
841 OperandType Type = (OperandType)InstructionSpecifiers[Index]
842 .operands[OperandIndex].type;
843 OperandList.push_back(std::make_pair(Encoding, Type));
845 unsigned &N = OperandSets[OperandList];
846 if (N != 0) continue;
850 o << " { /* " << (OperandSetNum - 1) << " */\n";
851 for (unsigned i = 0, e = OperandList.size(); i != e; ++i) {
852 const char *Encoding = stringForOperandEncoding(OperandList[i].first);
853 const char *Type = stringForOperandType(OperandList[i].second);
854 o << " { " << Encoding << ", " << Type << " },\n";
860 o.indent(i * 2) << "static const struct InstructionSpecifier ";
861 o << INSTRUCTIONS_STR "[" << InstructionSpecifiers.size() << "] = {\n";
865 for (unsigned index = 0; index < NumInstructions; ++index) {
866 o.indent(i * 2) << "{ /* " << index << " */\n";
869 OperandListTy OperandList;
870 for (unsigned OperandIndex = 0; OperandIndex < X86_MAX_OPERANDS;
872 OperandEncoding Encoding = (OperandEncoding)InstructionSpecifiers[index]
873 .operands[OperandIndex].encoding;
874 OperandType Type = (OperandType)InstructionSpecifiers[index]
875 .operands[OperandIndex].type;
876 OperandList.push_back(std::make_pair(Encoding, Type));
878 o.indent(i * 2) << (OperandSets[OperandList] - 1) << ",\n";
880 o.indent(i * 2) << "/* " << InstructionSpecifiers[index].name << " */\n";
883 o.indent(i * 2) << "},\n";
887 o.indent(i * 2) << "};" << "\n";
890 void DisassemblerTables::emitContextTable(raw_ostream &o, unsigned &i) const {
891 o.indent(i * 2) << "static const uint8_t " CONTEXTS_STR
892 "[" << ATTR_max << "] = {\n";
895 for (unsigned index = 0; index < ATTR_max; ++index) {
898 if ((index & ATTR_EVEX) || (index & ATTR_VEX) || (index & ATTR_VEXL)) {
899 if (index & ATTR_EVEX)
904 if ((index & ATTR_EVEX) && (index & ATTR_EVEXL2))
906 else if (index & ATTR_VEXL)
909 if (index & ATTR_REXW)
912 if (index & ATTR_OPSIZE)
914 else if (index & ATTR_XD)
916 else if (index & ATTR_XS)
919 if ((index & ATTR_EVEX)) {
920 if (index & ATTR_EVEXKZ)
922 else if (index & ATTR_EVEXK)
925 if (index & ATTR_EVEXB)
929 else if ((index & ATTR_64BIT) && (index & ATTR_REXW) && (index & ATTR_XS))
930 o << "IC_64BIT_REXW_XS";
931 else if ((index & ATTR_64BIT) && (index & ATTR_REXW) && (index & ATTR_XD))
932 o << "IC_64BIT_REXW_XD";
933 else if ((index & ATTR_64BIT) && (index & ATTR_REXW) &&
934 (index & ATTR_OPSIZE))
935 o << "IC_64BIT_REXW_OPSIZE";
936 else if ((index & ATTR_64BIT) && (index & ATTR_REXW) &&
937 (index & ATTR_ADSIZE))
938 o << "IC_64BIT_REXW_ADSIZE";
939 else if ((index & ATTR_64BIT) && (index & ATTR_XD) && (index & ATTR_OPSIZE))
940 o << "IC_64BIT_XD_OPSIZE";
941 else if ((index & ATTR_64BIT) && (index & ATTR_XD) && (index & ATTR_ADSIZE))
942 o << "IC_64BIT_XD_ADSIZE";
943 else if ((index & ATTR_64BIT) && (index & ATTR_XS) && (index & ATTR_OPSIZE))
944 o << "IC_64BIT_XS_OPSIZE";
945 else if ((index & ATTR_64BIT) && (index & ATTR_XS) && (index & ATTR_ADSIZE))
946 o << "IC_64BIT_XS_ADSIZE";
947 else if ((index & ATTR_64BIT) && (index & ATTR_XS))
949 else if ((index & ATTR_64BIT) && (index & ATTR_XD))
951 else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE) &&
952 (index & ATTR_ADSIZE))
953 o << "IC_64BIT_OPSIZE_ADSIZE";
954 else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE))
955 o << "IC_64BIT_OPSIZE";
956 else if ((index & ATTR_64BIT) && (index & ATTR_ADSIZE))
957 o << "IC_64BIT_ADSIZE";
958 else if ((index & ATTR_64BIT) && (index & ATTR_REXW))
959 o << "IC_64BIT_REXW";
960 else if ((index & ATTR_64BIT))
962 else if ((index & ATTR_XS) && (index & ATTR_OPSIZE))
964 else if ((index & ATTR_XD) && (index & ATTR_OPSIZE))
966 else if ((index & ATTR_XS) && (index & ATTR_ADSIZE))
968 else if ((index & ATTR_XD) && (index & ATTR_ADSIZE))
970 else if (index & ATTR_XS)
972 else if (index & ATTR_XD)
974 else if ((index & ATTR_OPSIZE) && (index & ATTR_ADSIZE))
975 o << "IC_OPSIZE_ADSIZE";
976 else if (index & ATTR_OPSIZE)
978 else if (index & ATTR_ADSIZE)
983 o << ", /* " << index << " */";
989 o.indent(i * 2) << "};" << "\n";
992 void DisassemblerTables::emitContextDecisions(raw_ostream &o1, raw_ostream &o2,
993 unsigned &i1, unsigned &i2,
994 unsigned &ModRMTableNum) const {
995 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[0], ONEBYTE_STR);
996 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[1], TWOBYTE_STR);
997 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[2], THREEBYTE38_STR);
998 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[3], THREEBYTE3A_STR);
999 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[4], XOP8_MAP_STR);
1000 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[5], XOP9_MAP_STR);
1001 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[6], XOPA_MAP_STR);
1002 emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[7], THREEDNOW_MAP_STR);
1005 void DisassemblerTables::emit(raw_ostream &o) const {
1012 raw_string_ostream o1(s1);
1013 raw_string_ostream o2(s2);
1015 emitInstructionInfo(o, i2);
1018 emitContextTable(o, i2);
1021 unsigned ModRMTableNum = 0;
1023 o << "static const InstrUID modRMTable[] = {\n";
1025 std::vector<unsigned> EmptyTable(1, 0);
1026 ModRMTable[EmptyTable] = ModRMTableNum;
1027 ModRMTableNum += EmptyTable.size();
1028 o1 << "/* EmptyTable */\n";
1029 o1.indent(i1 * 2) << "0x0,\n";
1031 emitContextDecisions(o1, o2, i1, i2, ModRMTableNum);
1042 void DisassemblerTables::setTableFields(ModRMDecision &decision,
1043 const ModRMFilter &filter,
1046 for (unsigned index = 0; index < 256; ++index) {
1047 if (filter.accepts(index)) {
1048 if (decision.instructionIDs[index] == uid)
1051 if (decision.instructionIDs[index] != 0) {
1052 InstructionSpecifier &newInfo =
1053 InstructionSpecifiers[uid];
1054 InstructionSpecifier &previousInfo =
1055 InstructionSpecifiers[decision.instructionIDs[index]];
1057 if(previousInfo.name == "NOOP" && (newInfo.name == "XCHG16ar" ||
1058 newInfo.name == "XCHG32ar" ||
1059 newInfo.name == "XCHG64ar"))
1060 continue; // special case for XCHG*ar and NOOP
1062 if (outranks(previousInfo.insnContext, newInfo.insnContext))
1065 if (previousInfo.insnContext == newInfo.insnContext) {
1066 errs() << "Error: Primary decode conflict: ";
1067 errs() << newInfo.name << " would overwrite " << previousInfo.name;
1069 errs() << "ModRM " << index << "\n";
1070 errs() << "Opcode " << (uint16_t)opcode << "\n";
1071 errs() << "Context " << stringForContext(newInfo.insnContext) << "\n";
1072 HasConflicts = true;
1076 decision.instructionIDs[index] = uid;
1081 void DisassemblerTables::setTableFields(OpcodeType type,
1082 InstructionContext insnContext,
1084 const ModRMFilter &filter,
1090 unsigned addressSize) {
1091 ContextDecision &decision = *Tables[type];
1093 for (unsigned index = 0; index < IC_max; ++index) {
1094 if ((is32bit || addressSize == 16) &&
1095 inheritsFrom((InstructionContext)index, IC_64BIT))
1098 bool adSize64 = addressSize == 64;
1099 if (inheritsFrom((InstructionContext)index,
1100 InstructionSpecifiers[uid].insnContext, noPrefix,
1101 ignoresVEX_L, ignoresVEX_W, adSize64))
1102 setTableFields(decision.opcodeDecisions[index].modRMDecisions[opcode],