1//==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=//
2//
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
6//
7//===----------------------------------------------------------------------===//
8///
9/// \file
10/// This file provides WebAssembly-specific target descriptions.
11///
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
15#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
16
17#include "llvm/BinaryFormat/Wasm.h"
18#include "llvm/MC/MCContext.h"
19#include "llvm/MC/MCInstrDesc.h"
20#include "llvm/Support/CommandLine.h"
21#include "llvm/Support/DataTypes.h"
22#include <memory>
23
24namespace llvm {
25
26class MCAsmBackend;
27class MCCodeEmitter;
28class MCInstrInfo;
29class MCObjectTargetWriter;
30class Triple;
31
32MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
33 MCContext &Ctx);
34
35MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
36
37std::unique_ptr<MCObjectTargetWriter>
38createWebAssemblyWasmObjectWriter(bool Is64Bit, bool IsEmscripten);
39
40namespace WebAssembly {
41
42enum OperandType {
43 /// Basic block label in a branch construct.
44 OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
45 /// Local index.
46 OPERAND_LOCAL,
47 /// Global index.
48 OPERAND_GLOBAL,
49 /// 32-bit integer immediates.
50 OPERAND_I32IMM,
51 /// 64-bit integer immediates.
52 OPERAND_I64IMM,
53 /// 32-bit floating-point immediates.
54 OPERAND_F32IMM,
55 /// 64-bit floating-point immediates.
56 OPERAND_F64IMM,
57 /// 8-bit vector lane immediate
58 OPERAND_VEC_I8IMM,
59 /// 16-bit vector lane immediate
60 OPERAND_VEC_I16IMM,
61 /// 32-bit vector lane immediate
62 OPERAND_VEC_I32IMM,
63 /// 64-bit vector lane immediate
64 OPERAND_VEC_I64IMM,
65 /// 32-bit unsigned function indices.
66 OPERAND_FUNCTION32,
67 /// 32-bit unsigned memory offsets.
68 OPERAND_OFFSET32,
69 /// 64-bit unsigned memory offsets.
70 OPERAND_OFFSET64,
71 /// p2align immediate for load and store address alignment.
72 OPERAND_P2ALIGN,
73 /// signature immediate for block/loop.
74 OPERAND_SIGNATURE,
75 /// type signature immediate for call_indirect.
76 OPERAND_TYPEINDEX,
77 /// Tag index.
78 OPERAND_TAG,
79 /// A list of branch targets for br_list.
80 OPERAND_BRLIST,
81 /// 32-bit unsigned table number.
82 OPERAND_TABLE,
83 /// A list of catch clauses for try_table.
84 OPERAND_CATCH_LIST,
85};
86} // end namespace WebAssembly
87
88namespace WebAssemblyII {
89
90/// Target Operand Flag enum.
91enum TOF {
92 MO_NO_FLAG = 0,
93
94 // On a symbol operand this indicates that the immediate is a wasm global
95 // index. The value of the wasm global will be set to the symbol address at
96 // runtime. This adds a level of indirection similar to the GOT on native
97 // platforms.
98 MO_GOT,
99
100 // Same as MO_GOT but the address stored in the global is a TLS address.
101 MO_GOT_TLS,
102
103 // On a symbol operand this indicates that the immediate is the symbol
104 // address relative the __memory_base wasm global.
105 // Only applicable to data symbols.
106 MO_MEMORY_BASE_REL,
107
108 // On a symbol operand this indicates that the immediate is the symbol
109 // address relative the __tls_base wasm global.
110 // Only applicable to data symbols.
111 MO_TLS_BASE_REL,
112
113 // On a symbol operand this indicates that the immediate is the symbol
114 // address relative the __table_base wasm global.
115 // Only applicable to function symbols.
116 MO_TABLE_BASE_REL,
117
118 // On a block signature operand this indicates that this is a destination
119 // block of a (catch_ref) clause in try_table.
120 MO_CATCH_BLOCK_SIG,
121};
122
123} // end namespace WebAssemblyII
124
125} // end namespace llvm
126
127// Defines symbolic names for WebAssembly registers. This defines a mapping from
128// register name to register number.
129//
130#define GET_REGINFO_ENUM
131#include "WebAssemblyGenRegisterInfo.inc"
132
133// Defines symbolic names for the WebAssembly instructions.
134//
135#define GET_INSTRINFO_ENUM
136#define GET_INSTRINFO_MC_HELPER_DECLS
137#include "WebAssemblyGenInstrInfo.inc"
138
139namespace llvm {
140namespace WebAssembly {
141
142/// Instruction opcodes emitted via means other than CodeGen.
143static const unsigned Nop = 0x01;
144static const unsigned End = 0x0b;
145
146/// Return the default p2align value for a load or store with the given opcode.
147inline unsigned GetDefaultP2AlignAny(unsigned Opc) {
148 switch (Opc) {
149#define WASM_LOAD_STORE(NAME) \
150 case WebAssembly::NAME##_A32: \
151 case WebAssembly::NAME##_A64: \
152 case WebAssembly::NAME##_A32_S: \
153 case WebAssembly::NAME##_A64_S:
154 WASM_LOAD_STORE(LOAD8_S_I32)
155 WASM_LOAD_STORE(LOAD8_U_I32)
156 WASM_LOAD_STORE(LOAD8_S_I64)
157 WASM_LOAD_STORE(LOAD8_U_I64)
158 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I32)
159 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I64)
160 WASM_LOAD_STORE(STORE8_I32)
161 WASM_LOAD_STORE(STORE8_I64)
162 WASM_LOAD_STORE(ATOMIC_STORE8_I32)
163 WASM_LOAD_STORE(ATOMIC_STORE8_I64)
164 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I32)
165 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I64)
166 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I32)
167 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I64)
168 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I32)
169 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I64)
170 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I32)
171 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I64)
172 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I32)
173 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I64)
174 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I32)
175 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I64)
176 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I32)
177 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I64)
178 WASM_LOAD_STORE(LOAD8_SPLAT)
179 WASM_LOAD_STORE(LOAD_LANE_8)
180 WASM_LOAD_STORE(STORE_LANE_I8x16)
181 return 0;
182 WASM_LOAD_STORE(LOAD16_S_I32)
183 WASM_LOAD_STORE(LOAD16_U_I32)
184 WASM_LOAD_STORE(LOAD16_S_I64)
185 WASM_LOAD_STORE(LOAD16_U_I64)
186 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I32)
187 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I64)
188 WASM_LOAD_STORE(STORE16_I32)
189 WASM_LOAD_STORE(STORE16_I64)
190 WASM_LOAD_STORE(ATOMIC_STORE16_I32)
191 WASM_LOAD_STORE(ATOMIC_STORE16_I64)
192 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I32)
193 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I64)
194 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I32)
195 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I64)
196 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I32)
197 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I64)
198 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I32)
199 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I64)
200 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I32)
201 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I64)
202 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I32)
203 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I64)
204 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I32)
205 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I64)
206 WASM_LOAD_STORE(LOAD16_SPLAT)
207 WASM_LOAD_STORE(LOAD_LANE_16)
208 WASM_LOAD_STORE(STORE_LANE_I16x8)
209 WASM_LOAD_STORE(LOAD_F16_F32)
210 WASM_LOAD_STORE(STORE_F16_F32)
211 return 1;
212 WASM_LOAD_STORE(LOAD_I32)
213 WASM_LOAD_STORE(LOAD_F32)
214 WASM_LOAD_STORE(STORE_I32)
215 WASM_LOAD_STORE(STORE_F32)
216 WASM_LOAD_STORE(LOAD32_S_I64)
217 WASM_LOAD_STORE(LOAD32_U_I64)
218 WASM_LOAD_STORE(STORE32_I64)
219 WASM_LOAD_STORE(ATOMIC_LOAD_I32)
220 WASM_LOAD_STORE(ATOMIC_LOAD32_U_I64)
221 WASM_LOAD_STORE(ATOMIC_STORE_I32)
222 WASM_LOAD_STORE(ATOMIC_STORE32_I64)
223 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I32)
224 WASM_LOAD_STORE(ATOMIC_RMW32_U_ADD_I64)
225 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I32)
226 WASM_LOAD_STORE(ATOMIC_RMW32_U_SUB_I64)
227 WASM_LOAD_STORE(ATOMIC_RMW_AND_I32)
228 WASM_LOAD_STORE(ATOMIC_RMW32_U_AND_I64)
229 WASM_LOAD_STORE(ATOMIC_RMW_OR_I32)
230 WASM_LOAD_STORE(ATOMIC_RMW32_U_OR_I64)
231 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I32)
232 WASM_LOAD_STORE(ATOMIC_RMW32_U_XOR_I64)
233 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I32)
234 WASM_LOAD_STORE(ATOMIC_RMW32_U_XCHG_I64)
235 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I32)
236 WASM_LOAD_STORE(ATOMIC_RMW32_U_CMPXCHG_I64)
237 WASM_LOAD_STORE(MEMORY_ATOMIC_NOTIFY)
238 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT32)
239 WASM_LOAD_STORE(LOAD32_SPLAT)
240 WASM_LOAD_STORE(LOAD_ZERO_32)
241 WASM_LOAD_STORE(LOAD_LANE_32)
242 WASM_LOAD_STORE(STORE_LANE_I32x4)
243 return 2;
244 WASM_LOAD_STORE(LOAD_I64)
245 WASM_LOAD_STORE(LOAD_F64)
246 WASM_LOAD_STORE(STORE_I64)
247 WASM_LOAD_STORE(STORE_F64)
248 WASM_LOAD_STORE(ATOMIC_LOAD_I64)
249 WASM_LOAD_STORE(ATOMIC_STORE_I64)
250 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I64)
251 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I64)
252 WASM_LOAD_STORE(ATOMIC_RMW_AND_I64)
253 WASM_LOAD_STORE(ATOMIC_RMW_OR_I64)
254 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I64)
255 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I64)
256 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I64)
257 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT64)
258 WASM_LOAD_STORE(LOAD64_SPLAT)
259 WASM_LOAD_STORE(LOAD_EXTEND_S_I16x8)
260 WASM_LOAD_STORE(LOAD_EXTEND_U_I16x8)
261 WASM_LOAD_STORE(LOAD_EXTEND_S_I32x4)
262 WASM_LOAD_STORE(LOAD_EXTEND_U_I32x4)
263 WASM_LOAD_STORE(LOAD_EXTEND_S_I64x2)
264 WASM_LOAD_STORE(LOAD_EXTEND_U_I64x2)
265 WASM_LOAD_STORE(LOAD_ZERO_64)
266 WASM_LOAD_STORE(LOAD_LANE_64)
267 WASM_LOAD_STORE(STORE_LANE_I64x2)
268 return 3;
269 WASM_LOAD_STORE(LOAD_V128)
270 WASM_LOAD_STORE(STORE_V128)
271 return 4;
272 default:
273 return -1;
274 }
275#undef WASM_LOAD_STORE
276}
277
278inline unsigned GetDefaultP2Align(unsigned Opc) {
279 auto Align = GetDefaultP2AlignAny(Opc);
280 if (Align == -1U) {
281 llvm_unreachable("Only loads and stores have p2align values");
282 }
283 return Align;
284}
285
286inline bool isConst(unsigned Opc) {
287 switch (Opc) {
288 case WebAssembly::CONST_I32:
289 case WebAssembly::CONST_I32_S:
290 case WebAssembly::CONST_I64:
291 case WebAssembly::CONST_I64_S:
292 case WebAssembly::CONST_F32:
293 case WebAssembly::CONST_F32_S:
294 case WebAssembly::CONST_F64:
295 case WebAssembly::CONST_F64_S:
296 case WebAssembly::CONST_V128_I8x16:
297 case WebAssembly::CONST_V128_I8x16_S:
298 case WebAssembly::CONST_V128_I16x8:
299 case WebAssembly::CONST_V128_I16x8_S:
300 case WebAssembly::CONST_V128_I32x4:
301 case WebAssembly::CONST_V128_I32x4_S:
302 case WebAssembly::CONST_V128_I64x2:
303 case WebAssembly::CONST_V128_I64x2_S:
304 case WebAssembly::CONST_V128_F32x4:
305 case WebAssembly::CONST_V128_F32x4_S:
306 case WebAssembly::CONST_V128_F64x2:
307 case WebAssembly::CONST_V128_F64x2_S:
308 return true;
309 default:
310 return false;
311 }
312}
313
314inline bool isScalarConst(unsigned Opc) {
315 switch (Opc) {
316 case WebAssembly::CONST_I32:
317 case WebAssembly::CONST_I32_S:
318 case WebAssembly::CONST_I64:
319 case WebAssembly::CONST_I64_S:
320 case WebAssembly::CONST_F32:
321 case WebAssembly::CONST_F32_S:
322 case WebAssembly::CONST_F64:
323 case WebAssembly::CONST_F64_S:
324 return true;
325 default:
326 return false;
327 }
328}
329
330inline bool isArgument(unsigned Opc) {
331 switch (Opc) {
332 case WebAssembly::ARGUMENT_i32:
333 case WebAssembly::ARGUMENT_i32_S:
334 case WebAssembly::ARGUMENT_i64:
335 case WebAssembly::ARGUMENT_i64_S:
336 case WebAssembly::ARGUMENT_f32:
337 case WebAssembly::ARGUMENT_f32_S:
338 case WebAssembly::ARGUMENT_f64:
339 case WebAssembly::ARGUMENT_f64_S:
340 case WebAssembly::ARGUMENT_v16i8:
341 case WebAssembly::ARGUMENT_v16i8_S:
342 case WebAssembly::ARGUMENT_v8i16:
343 case WebAssembly::ARGUMENT_v8i16_S:
344 case WebAssembly::ARGUMENT_v4i32:
345 case WebAssembly::ARGUMENT_v4i32_S:
346 case WebAssembly::ARGUMENT_v2i64:
347 case WebAssembly::ARGUMENT_v2i64_S:
348 case WebAssembly::ARGUMENT_v8f16:
349 case WebAssembly::ARGUMENT_v8f16_S:
350 case WebAssembly::ARGUMENT_v4f32:
351 case WebAssembly::ARGUMENT_v4f32_S:
352 case WebAssembly::ARGUMENT_v2f64:
353 case WebAssembly::ARGUMENT_v2f64_S:
354 case WebAssembly::ARGUMENT_funcref:
355 case WebAssembly::ARGUMENT_funcref_S:
356 case WebAssembly::ARGUMENT_externref:
357 case WebAssembly::ARGUMENT_externref_S:
358 case WebAssembly::ARGUMENT_exnref:
359 case WebAssembly::ARGUMENT_exnref_S:
360 return true;
361 default:
362 return false;
363 }
364}
365
366inline bool isCopy(unsigned Opc) {
367 switch (Opc) {
368 case WebAssembly::COPY_I32:
369 case WebAssembly::COPY_I32_S:
370 case WebAssembly::COPY_I64:
371 case WebAssembly::COPY_I64_S:
372 case WebAssembly::COPY_F32:
373 case WebAssembly::COPY_F32_S:
374 case WebAssembly::COPY_F64:
375 case WebAssembly::COPY_F64_S:
376 case WebAssembly::COPY_V128:
377 case WebAssembly::COPY_V128_S:
378 case WebAssembly::COPY_FUNCREF:
379 case WebAssembly::COPY_FUNCREF_S:
380 case WebAssembly::COPY_EXTERNREF:
381 case WebAssembly::COPY_EXTERNREF_S:
382 case WebAssembly::COPY_EXNREF:
383 case WebAssembly::COPY_EXNREF_S:
384 return true;
385 default:
386 return false;
387 }
388}
389
390inline bool isTee(unsigned Opc) {
391 switch (Opc) {
392 case WebAssembly::TEE_I32:
393 case WebAssembly::TEE_I32_S:
394 case WebAssembly::TEE_I64:
395 case WebAssembly::TEE_I64_S:
396 case WebAssembly::TEE_F32:
397 case WebAssembly::TEE_F32_S:
398 case WebAssembly::TEE_F64:
399 case WebAssembly::TEE_F64_S:
400 case WebAssembly::TEE_V128:
401 case WebAssembly::TEE_V128_S:
402 case WebAssembly::TEE_FUNCREF:
403 case WebAssembly::TEE_FUNCREF_S:
404 case WebAssembly::TEE_EXTERNREF:
405 case WebAssembly::TEE_EXTERNREF_S:
406 case WebAssembly::TEE_EXNREF:
407 case WebAssembly::TEE_EXNREF_S:
408 return true;
409 default:
410 return false;
411 }
412}
413
414inline bool isCallDirect(unsigned Opc) {
415 switch (Opc) {
416 case WebAssembly::CALL:
417 case WebAssembly::CALL_S:
418 case WebAssembly::RET_CALL:
419 case WebAssembly::RET_CALL_S:
420 return true;
421 default:
422 return false;
423 }
424}
425
426inline bool isCallIndirect(unsigned Opc) {
427 switch (Opc) {
428 case WebAssembly::CALL_INDIRECT:
429 case WebAssembly::CALL_INDIRECT_S:
430 case WebAssembly::RET_CALL_INDIRECT:
431 case WebAssembly::RET_CALL_INDIRECT_S:
432 return true;
433 default:
434 return false;
435 }
436}
437
438inline bool isBrTable(unsigned Opc) {
439 switch (Opc) {
440 case WebAssembly::BR_TABLE_I32:
441 case WebAssembly::BR_TABLE_I32_S:
442 case WebAssembly::BR_TABLE_I64:
443 case WebAssembly::BR_TABLE_I64_S:
444 return true;
445 default:
446 return false;
447 }
448}
449
450inline bool isMarker(unsigned Opc) {
451 switch (Opc) {
452 case WebAssembly::BLOCK:
453 case WebAssembly::BLOCK_S:
454 case WebAssembly::END_BLOCK:
455 case WebAssembly::END_BLOCK_S:
456 case WebAssembly::LOOP:
457 case WebAssembly::LOOP_S:
458 case WebAssembly::END_LOOP:
459 case WebAssembly::END_LOOP_S:
460 case WebAssembly::TRY:
461 case WebAssembly::TRY_S:
462 case WebAssembly::END_TRY:
463 case WebAssembly::END_TRY_S:
464 case WebAssembly::TRY_TABLE:
465 case WebAssembly::TRY_TABLE_S:
466 case WebAssembly::END_TRY_TABLE:
467 case WebAssembly::END_TRY_TABLE_S:
468 return true;
469 default:
470 return false;
471 }
472}
473
474inline bool isEndMarker(unsigned Opc) {
475 switch (Opc) {
476 case WebAssembly::END_BLOCK:
477 case WebAssembly::END_BLOCK_S:
478 case WebAssembly::END_LOOP:
479 case WebAssembly::END_LOOP_S:
480 case WebAssembly::END_TRY:
481 case WebAssembly::END_TRY_S:
482 case WebAssembly::END_TRY_TABLE:
483 case WebAssembly::END_TRY_TABLE_S:
484 return true;
485 default:
486 return false;
487 }
488}
489
490inline bool isTry(unsigned Opc) {
491 switch (Opc) {
492 case WebAssembly::TRY:
493 case WebAssembly::TRY_S:
494 case WebAssembly::TRY_TABLE:
495 case WebAssembly::TRY_TABLE_S:
496 return true;
497 default:
498 return false;
499 }
500}
501
502inline bool isCatch(unsigned Opc) {
503 switch (Opc) {
504 case WebAssembly::CATCH_LEGACY:
505 case WebAssembly::CATCH_LEGACY_S:
506 case WebAssembly::CATCH_ALL_LEGACY:
507 case WebAssembly::CATCH_ALL_LEGACY_S:
508 case WebAssembly::CATCH:
509 case WebAssembly::CATCH_S:
510 case WebAssembly::CATCH_REF:
511 case WebAssembly::CATCH_REF_S:
512 case WebAssembly::CATCH_ALL:
513 case WebAssembly::CATCH_ALL_S:
514 case WebAssembly::CATCH_ALL_REF:
515 case WebAssembly::CATCH_ALL_REF_S:
516 return true;
517 default:
518 return false;
519 }
520}
521
522inline bool isCatchAll(unsigned Opc) {
523 switch (Opc) {
524 case WebAssembly::CATCH_ALL_LEGACY:
525 case WebAssembly::CATCH_ALL_LEGACY_S:
526 case WebAssembly::CATCH_ALL:
527 case WebAssembly::CATCH_ALL_S:
528 case WebAssembly::CATCH_ALL_REF:
529 case WebAssembly::CATCH_ALL_REF_S:
530 return true;
531 default:
532 return false;
533 }
534}
535
536inline bool isLocalGet(unsigned Opc) {
537 switch (Opc) {
538 case WebAssembly::LOCAL_GET_I32:
539 case WebAssembly::LOCAL_GET_I32_S:
540 case WebAssembly::LOCAL_GET_I64:
541 case WebAssembly::LOCAL_GET_I64_S:
542 case WebAssembly::LOCAL_GET_F32:
543 case WebAssembly::LOCAL_GET_F32_S:
544 case WebAssembly::LOCAL_GET_F64:
545 case WebAssembly::LOCAL_GET_F64_S:
546 case WebAssembly::LOCAL_GET_V128:
547 case WebAssembly::LOCAL_GET_V128_S:
548 case WebAssembly::LOCAL_GET_FUNCREF:
549 case WebAssembly::LOCAL_GET_FUNCREF_S:
550 case WebAssembly::LOCAL_GET_EXTERNREF:
551 case WebAssembly::LOCAL_GET_EXTERNREF_S:
552 case WebAssembly::LOCAL_GET_EXNREF:
553 case WebAssembly::LOCAL_GET_EXNREF_S:
554 return true;
555 default:
556 return false;
557 }
558}
559
560inline bool isLocalSet(unsigned Opc) {
561 switch (Opc) {
562 case WebAssembly::LOCAL_SET_I32:
563 case WebAssembly::LOCAL_SET_I32_S:
564 case WebAssembly::LOCAL_SET_I64:
565 case WebAssembly::LOCAL_SET_I64_S:
566 case WebAssembly::LOCAL_SET_F32:
567 case WebAssembly::LOCAL_SET_F32_S:
568 case WebAssembly::LOCAL_SET_F64:
569 case WebAssembly::LOCAL_SET_F64_S:
570 case WebAssembly::LOCAL_SET_V128:
571 case WebAssembly::LOCAL_SET_V128_S:
572 case WebAssembly::LOCAL_SET_FUNCREF:
573 case WebAssembly::LOCAL_SET_FUNCREF_S:
574 case WebAssembly::LOCAL_SET_EXTERNREF:
575 case WebAssembly::LOCAL_SET_EXTERNREF_S:
576 case WebAssembly::LOCAL_SET_EXNREF:
577 case WebAssembly::LOCAL_SET_EXNREF_S:
578 return true;
579 default:
580 return false;
581 }
582}
583
584inline bool isLocalTee(unsigned Opc) {
585 switch (Opc) {
586 case WebAssembly::LOCAL_TEE_I32:
587 case WebAssembly::LOCAL_TEE_I32_S:
588 case WebAssembly::LOCAL_TEE_I64:
589 case WebAssembly::LOCAL_TEE_I64_S:
590 case WebAssembly::LOCAL_TEE_F32:
591 case WebAssembly::LOCAL_TEE_F32_S:
592 case WebAssembly::LOCAL_TEE_F64:
593 case WebAssembly::LOCAL_TEE_F64_S:
594 case WebAssembly::LOCAL_TEE_V128:
595 case WebAssembly::LOCAL_TEE_V128_S:
596 case WebAssembly::LOCAL_TEE_FUNCREF:
597 case WebAssembly::LOCAL_TEE_FUNCREF_S:
598 case WebAssembly::LOCAL_TEE_EXTERNREF:
599 case WebAssembly::LOCAL_TEE_EXTERNREF_S:
600 case WebAssembly::LOCAL_TEE_EXNREF:
601 case WebAssembly::LOCAL_TEE_EXNREF_S:
602 return true;
603 default:
604 return false;
605 }
606}
607
608static const unsigned UnusedReg = -1u;
609
610// For a given stackified WAReg, return the id number to print with push/pop.
611unsigned inline getWARegStackId(MCRegister Reg) {
612 assert(Reg.id() & INT32_MIN);
613 return Reg.id() & INT32_MAX;
614}
615
616} // end namespace WebAssembly
617} // end namespace llvm
618
619#define GET_SUBTARGETINFO_ENUM
620#include "WebAssemblyGenSubtargetInfo.inc"
621
622#endif
623