1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef V8_WASM_MACRO_GEN_H_
6 #define V8_WASM_MACRO_GEN_H_
7
8 #include "src/wasm/wasm-opcodes.h"
9
10 #include "src/zone-containers.h"
11
12 #define U32_LE(v) \
13 static_cast<byte>(v), static_cast<byte>((v) >> 8), \
14 static_cast<byte>((v) >> 16), static_cast<byte>((v) >> 24)
15
16 #define U16_LE(v) static_cast<byte>(v), static_cast<byte>((v) >> 8)
17
18 #define WASM_MODULE_HEADER U32_LE(kWasmMagic), U32_LE(kWasmVersion)
19
20 #define SIG_INDEX(v) U16_LE(v)
21 // TODO(binji): make SIG_INDEX match this.
22 #define IMPORT_SIG_INDEX(v) U32V_1(v)
23 #define FUNC_INDEX(v) U32V_1(v)
24 #define NO_NAME U32V_1(0)
25 #define NAME_LENGTH(v) U32V_1(v)
26
27 #define ZERO_ALIGNMENT 0
28 #define ZERO_OFFSET 0
29
30 #define BR_TARGET(v) U32_LE(v)
31
32 #define MASK_7 ((1 << 7) - 1)
33 #define MASK_14 ((1 << 14) - 1)
34 #define MASK_21 ((1 << 21) - 1)
35 #define MASK_28 ((1 << 28) - 1)
36
37 #define U32V_1(x) static_cast<byte>((x)&MASK_7)
38 #define U32V_2(x) \
39 static_cast<byte>(((x)&MASK_7) | 0x80), static_cast<byte>(((x) >> 7) & MASK_7)
40 #define U32V_3(x) \
41 static_cast<byte>((((x)) & MASK_7) | 0x80), \
42 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \
43 static_cast<byte>(((x) >> 14) & MASK_7)
44 #define U32V_4(x) \
45 static_cast<byte>(((x)&MASK_7) | 0x80), \
46 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \
47 static_cast<byte>((((x) >> 14) & MASK_7) | 0x80), \
48 static_cast<byte>(((x) >> 21) & MASK_7)
49 #define U32V_5(x) \
50 static_cast<byte>(((x)&MASK_7) | 0x80), \
51 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \
52 static_cast<byte>((((x) >> 14) & MASK_7) | 0x80), \
53 static_cast<byte>((((x) >> 21) & MASK_7) | 0x80), \
54 static_cast<byte>((((x) >> 28) & MASK_7))
55
56 // Convenience macros for building Wasm bytecode directly into a byte array.
57
58 //------------------------------------------------------------------------------
59 // Control.
60 //------------------------------------------------------------------------------
61 #define WASM_NOP kExprNop
62
63 #define ARITY_0 0
64 #define ARITY_1 1
65 #define DEPTH_0 0
66 #define DEPTH_1 1
67
68 #define WASM_BLOCK(count, ...) kExprBlock, __VA_ARGS__, kExprEnd
69 #define WASM_INFINITE_LOOP kExprLoop, kExprBr, ARITY_0, DEPTH_0, kExprEnd
70 #define WASM_LOOP(count, ...) kExprLoop, __VA_ARGS__, kExprEnd
71 #define WASM_IF(cond, tstmt) cond, kExprIf, tstmt, kExprEnd
72 #define WASM_IF_ELSE(cond, tstmt, fstmt) \
73 cond, kExprIf, tstmt, kExprElse, fstmt, kExprEnd
74 #define WASM_SELECT(tval, fval, cond) tval, fval, cond, kExprSelect
75 #define WASM_BR(depth) kExprBr, ARITY_0, static_cast<byte>(depth)
76 #define WASM_BR_IF(depth, cond) \
77 cond, kExprBrIf, ARITY_0, static_cast<byte>(depth)
78 #define WASM_BRV(depth, val) val, kExprBr, ARITY_1, static_cast<byte>(depth)
79 #define WASM_BRV_IF(depth, val, cond) \
80 val, cond, kExprBrIf, ARITY_1, static_cast<byte>(depth)
81 #define WASM_BREAK(depth) kExprBr, ARITY_0, static_cast<byte>(depth + 1)
82 #define WASM_CONTINUE(depth) kExprBr, ARITY_0, static_cast<byte>(depth)
83 #define WASM_BREAKV(depth, val) \
84 val, kExprBr, ARITY_1, static_cast<byte>(depth + 1)
85 #define WASM_RETURN0 kExprReturn, ARITY_0
86 #define WASM_RETURN1(val) val, kExprReturn, ARITY_1
87 #define WASM_RETURNN(count, ...) __VA_ARGS__, kExprReturn, count
88 #define WASM_UNREACHABLE kExprUnreachable
89
90 #define WASM_BR_TABLE(key, count, ...) \
91 key, kExprBrTable, ARITY_0, U32V_1(count), __VA_ARGS__
92
93 #define WASM_BR_TABLEV(val, key, count, ...) \
94 val, key, kExprBrTable, ARITY_1, U32V_1(count), __VA_ARGS__
95
96 #define WASM_CASE(x) static_cast<byte>(x), static_cast<byte>(x >> 8)
97 #define WASM_CASE_BR(x) static_cast<byte>(x), static_cast<byte>(0x80 | (x) >> 8)
98
99 //------------------------------------------------------------------------------
100 // Misc expressions.
101 //------------------------------------------------------------------------------
102 #define WASM_ID(...) __VA_ARGS__
103 #define WASM_ZERO kExprI8Const, 0
104 #define WASM_ONE kExprI8Const, 1
105 #define WASM_I8(val) kExprI8Const, static_cast<byte>(val)
106
107 #define I32V_MIN(length) -(1 << (6 + (7 * ((length) - 1))))
108 #define I32V_MAX(length) ((1 << (6 + (7 * ((length) - 1)))) - 1)
109 #define I64V_MIN(length) -(1LL << (6 + (7 * ((length) - 1))))
110 #define I64V_MAX(length) ((1LL << (6 + 7 * ((length) - 1))) - 1)
111
112 #define I32V_IN_RANGE(value, length) \
113 ((value) >= I32V_MIN(length) && (value) <= I32V_MAX(length))
114 #define I64V_IN_RANGE(value, length) \
115 ((value) >= I64V_MIN(length) && (value) <= I64V_MAX(length))
116
117 #define WASM_NO_LOCALS 0
118
119 namespace v8 {
120 namespace internal {
121 namespace wasm {
122
CheckI32v(int32_t value,int length)123 inline void CheckI32v(int32_t value, int length) {
124 DCHECK(length >= 1 && length <= 5);
125 DCHECK(length == 5 || I32V_IN_RANGE(value, length));
126 }
127
CheckI64v(int64_t value,int length)128 inline void CheckI64v(int64_t value, int length) {
129 DCHECK(length >= 1 && length <= 10);
130 DCHECK(length == 10 || I64V_IN_RANGE(value, length));
131 }
132
133 // A helper for encoding local declarations prepended to the body of a
134 // function.
135 // TODO(titzer): move this to an appropriate header.
136 class LocalDeclEncoder {
137 public:
138 explicit LocalDeclEncoder(Zone* zone, FunctionSig* s = nullptr)
sig(s)139 : sig(s), local_decls(zone), total(0) {}
140
141 // Prepend local declarations by creating a new buffer and copying data
142 // over. The new buffer must be delete[]'d by the caller.
Prepend(Zone * zone,const byte ** start,const byte ** end)143 void Prepend(Zone* zone, const byte** start, const byte** end) const {
144 size_t size = (*end - *start);
145 byte* buffer = reinterpret_cast<byte*>(zone->New(Size() + size));
146 size_t pos = Emit(buffer);
147 memcpy(buffer + pos, *start, size);
148 pos += size;
149 *start = buffer;
150 *end = buffer + pos;
151 }
152
Emit(byte * buffer)153 size_t Emit(byte* buffer) const {
154 size_t pos = 0;
155 pos = WriteUint32v(buffer, pos, static_cast<uint32_t>(local_decls.size()));
156 for (size_t i = 0; i < local_decls.size(); ++i) {
157 pos = WriteUint32v(buffer, pos, local_decls[i].first);
158 buffer[pos++] = WasmOpcodes::LocalTypeCodeFor(local_decls[i].second);
159 }
160 DCHECK_EQ(Size(), pos);
161 return pos;
162 }
163
164 // Add locals declarations to this helper. Return the index of the newly added
165 // local(s), with an optional adjustment for the parameters.
AddLocals(uint32_t count,LocalType type)166 uint32_t AddLocals(uint32_t count, LocalType type) {
167 uint32_t result =
168 static_cast<uint32_t>(total + (sig ? sig->parameter_count() : 0));
169 total += count;
170 if (local_decls.size() > 0 && local_decls.back().second == type) {
171 count += local_decls.back().first;
172 local_decls.pop_back();
173 }
174 local_decls.push_back(std::pair<uint32_t, LocalType>(count, type));
175 return result;
176 }
177
Size()178 size_t Size() const {
179 size_t size = SizeofUint32v(static_cast<uint32_t>(local_decls.size()));
180 for (auto p : local_decls) size += 1 + SizeofUint32v(p.first);
181 return size;
182 }
183
has_sig()184 bool has_sig() const { return sig != nullptr; }
get_sig()185 FunctionSig* get_sig() const { return sig; }
set_sig(FunctionSig * s)186 void set_sig(FunctionSig* s) { sig = s; }
187
188 private:
189 FunctionSig* sig;
190 ZoneVector<std::pair<uint32_t, LocalType>> local_decls;
191 size_t total;
192
SizeofUint32v(uint32_t val)193 size_t SizeofUint32v(uint32_t val) const {
194 size_t size = 1;
195 while (true) {
196 byte b = val & MASK_7;
197 if (b == val) return size;
198 size++;
199 val = val >> 7;
200 }
201 }
202
203 // TODO(titzer): lift encoding of u32v to a common place.
WriteUint32v(byte * buffer,size_t pos,uint32_t val)204 size_t WriteUint32v(byte* buffer, size_t pos, uint32_t val) const {
205 while (true) {
206 byte b = val & MASK_7;
207 if (b == val) {
208 buffer[pos++] = b;
209 break;
210 }
211 buffer[pos++] = 0x80 | b;
212 val = val >> 7;
213 }
214 return pos;
215 }
216 };
217 } // namespace wasm
218 } // namespace internal
219 } // namespace v8
220
221 //------------------------------------------------------------------------------
222 // Int32 Const operations
223 //------------------------------------------------------------------------------
224 #define WASM_I32V(val) kExprI32Const, U32V_5(val)
225
226 #define WASM_I32V_1(val) \
227 static_cast<byte>(CheckI32v((val), 1), kExprI32Const), U32V_1(val)
228 #define WASM_I32V_2(val) \
229 static_cast<byte>(CheckI32v((val), 2), kExprI32Const), U32V_2(val)
230 #define WASM_I32V_3(val) \
231 static_cast<byte>(CheckI32v((val), 3), kExprI32Const), U32V_3(val)
232 #define WASM_I32V_4(val) \
233 static_cast<byte>(CheckI32v((val), 4), kExprI32Const), U32V_4(val)
234 #define WASM_I32V_5(val) \
235 static_cast<byte>(CheckI32v((val), 5), kExprI32Const), U32V_5(val)
236
237 //------------------------------------------------------------------------------
238 // Int64 Const operations
239 //------------------------------------------------------------------------------
240 #define WASM_I64V(val) \
241 kExprI64Const, \
242 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
243 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
244 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
245 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
246 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
247 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \
248 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \
249 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \
250 static_cast<byte>(((static_cast<int64_t>(val) >> 56) & MASK_7) | 0x80), \
251 static_cast<byte>((static_cast<int64_t>(val) >> 63) & MASK_7)
252
253 #define WASM_I64V_1(val) \
254 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 1), kExprI64Const), \
255 static_cast<byte>(static_cast<int64_t>(val) & MASK_7)
256 #define WASM_I64V_2(val) \
257 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 2), kExprI64Const), \
258 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
259 static_cast<byte>((static_cast<int64_t>(val) >> 7) & MASK_7)
260 #define WASM_I64V_3(val) \
261 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 3), kExprI64Const), \
262 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
263 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
264 static_cast<byte>((static_cast<int64_t>(val) >> 14) & MASK_7)
265 #define WASM_I64V_4(val) \
266 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 4), kExprI64Const), \
267 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
268 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
269 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
270 static_cast<byte>((static_cast<int64_t>(val) >> 21) & MASK_7)
271 #define WASM_I64V_5(val) \
272 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 5), kExprI64Const), \
273 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
274 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
275 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
276 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
277 static_cast<byte>((static_cast<int64_t>(val) >> 28) & MASK_7)
278 #define WASM_I64V_6(val) \
279 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 6), kExprI64Const), \
280 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
281 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
282 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
283 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
284 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
285 static_cast<byte>((static_cast<int64_t>(val) >> 35) & MASK_7)
286 #define WASM_I64V_7(val) \
287 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 7), kExprI64Const), \
288 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
289 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
290 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
291 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
292 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
293 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \
294 static_cast<byte>((static_cast<int64_t>(val) >> 42) & MASK_7)
295 #define WASM_I64V_8(val) \
296 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 8), kExprI64Const), \
297 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
298 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
299 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
300 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
301 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
302 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \
303 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \
304 static_cast<byte>((static_cast<int64_t>(val) >> 49) & MASK_7)
305 #define WASM_I64V_9(val) \
306 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 9), kExprI64Const), \
307 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
308 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
309 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
310 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
311 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
312 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \
313 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \
314 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \
315 static_cast<byte>((static_cast<int64_t>(val) >> 56) & MASK_7)
316 #define WASM_I64V_10(val) \
317 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 10), kExprI64Const), \
318 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \
319 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \
320 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \
321 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \
322 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \
323 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \
324 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \
325 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \
326 static_cast<byte>(((static_cast<int64_t>(val) >> 56) & MASK_7) | 0x80), \
327 static_cast<byte>((static_cast<int64_t>(val) >> 63) & MASK_7)
328
329 #define WASM_F32(val) \
330 kExprF32Const, \
331 static_cast<byte>(bit_cast<int32_t>(static_cast<float>(val))), \
332 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 8), \
333 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 16), \
334 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 24)
335 #define WASM_F64(val) \
336 kExprF64Const, static_cast<byte>(bit_cast<uint64_t>(val)), \
337 static_cast<byte>(bit_cast<uint64_t>(val) >> 8), \
338 static_cast<byte>(bit_cast<uint64_t>(val) >> 16), \
339 static_cast<byte>(bit_cast<uint64_t>(val) >> 24), \
340 static_cast<byte>(bit_cast<uint64_t>(val) >> 32), \
341 static_cast<byte>(bit_cast<uint64_t>(val) >> 40), \
342 static_cast<byte>(bit_cast<uint64_t>(val) >> 48), \
343 static_cast<byte>(bit_cast<uint64_t>(val) >> 56)
344 #define WASM_GET_LOCAL(index) kExprGetLocal, static_cast<byte>(index)
345 #define WASM_SET_LOCAL(index, val) val, kExprSetLocal, static_cast<byte>(index)
346 #define WASM_LOAD_GLOBAL(index) kExprLoadGlobal, static_cast<byte>(index)
347 #define WASM_STORE_GLOBAL(index, val) \
348 val, kExprStoreGlobal, static_cast<byte>(index)
349 #define WASM_LOAD_MEM(type, index) \
350 index, static_cast<byte>( \
351 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \
352 ZERO_ALIGNMENT, ZERO_OFFSET
353 #define WASM_STORE_MEM(type, index, val) \
354 index, val, \
355 static_cast<byte>( \
356 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \
357 ZERO_ALIGNMENT, ZERO_OFFSET
358 #define WASM_LOAD_MEM_OFFSET(type, offset, index) \
359 index, static_cast<byte>( \
360 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \
361 ZERO_ALIGNMENT, static_cast<byte>(offset)
362 #define WASM_STORE_MEM_OFFSET(type, offset, index, val) \
363 index, val, \
364 static_cast<byte>( \
365 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \
366 ZERO_ALIGNMENT, static_cast<byte>(offset)
367 #define WASM_LOAD_MEM_ALIGNMENT(type, index, alignment) \
368 index, static_cast<byte>( \
369 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \
370 alignment, ZERO_OFFSET
371 #define WASM_STORE_MEM_ALIGNMENT(type, index, alignment, val) \
372 index, val, \
373 static_cast<byte>( \
374 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \
375 alignment, ZERO_OFFSET
376
377 #define WASM_CALL_FUNCTION0(index) \
378 kExprCallFunction, 0, static_cast<byte>(index)
379 #define WASM_CALL_FUNCTION1(index, a) \
380 a, kExprCallFunction, 1, static_cast<byte>(index)
381 #define WASM_CALL_FUNCTION2(index, a, b) \
382 a, b, kExprCallFunction, 2, static_cast<byte>(index)
383 #define WASM_CALL_FUNCTION3(index, a, b, c) \
384 a, b, c, kExprCallFunction, 3, static_cast<byte>(index)
385 #define WASM_CALL_FUNCTION4(index, a, b, c, d) \
386 a, b, c, d, kExprCallFunction, 4, static_cast<byte>(index)
387 #define WASM_CALL_FUNCTION5(index, a, b, c, d, e) \
388 kExprCallFunction, 5, static_cast<byte>(index)
389 #define WASM_CALL_FUNCTIONN(arity, index, ...) \
390 __VA_ARGS__, kExprCallFunction, arity, static_cast<byte>(index)
391
392 #define WASM_CALL_IMPORT0(index) kExprCallImport, 0, static_cast<byte>(index)
393 #define WASM_CALL_IMPORT1(index, a) \
394 a, kExprCallImport, 1, static_cast<byte>(index)
395 #define WASM_CALL_IMPORT2(index, a, b) \
396 a, b, kExprCallImport, 2, static_cast<byte>(index)
397 #define WASM_CALL_IMPORT3(index, a, b, c) \
398 a, b, c, kExprCallImport, 3, static_cast<byte>(index)
399 #define WASM_CALL_IMPORT4(index, a, b, c, d) \
400 a, b, c, d, kExprCallImport, 4, static_cast<byte>(index)
401 #define WASM_CALL_IMPORT5(index, a, b, c, d, e) \
402 a, b, c, d, e, kExprCallImport, 5, static_cast<byte>(index)
403 #define WASM_CALL_IMPORTN(arity, index, ...) \
404 __VA_ARGS__, kExprCallImport, U32V_1(arity), static_cast<byte>(index),
405
406 #define WASM_CALL_INDIRECT0(index, func) \
407 func, kExprCallIndirect, 0, static_cast<byte>(index)
408 #define WASM_CALL_INDIRECT1(index, func, a) \
409 func, a, kExprCallIndirect, 1, static_cast<byte>(index)
410 #define WASM_CALL_INDIRECT2(index, func, a, b) \
411 func, a, b, kExprCallIndirect, 2, static_cast<byte>(index)
412 #define WASM_CALL_INDIRECT3(index, func, a, b, c) \
413 func, a, b, c, kExprCallIndirect, 3, static_cast<byte>(index)
414 #define WASM_CALL_INDIRECT4(index, func, a, b, c, d) \
415 func, a, b, c, d, kExprCallIndirect, 4, static_cast<byte>(index)
416 #define WASM_CALL_INDIRECT5(index, func, a, b, c, d, e) \
417 func, a, b, c, d, e, kExprCallIndirect, 5, static_cast<byte>(index)
418 #define WASM_CALL_INDIRECTN(arity, index, func, ...) \
419 func, __VA_ARGS__, kExprCallIndirect, U32V_1(arity), static_cast<byte>(index)
420
421 #define WASM_NOT(x) x, kExprI32Eqz
422 #define WASM_SEQ(...) __VA_ARGS__
423
424 //------------------------------------------------------------------------------
425 // Constructs that are composed of multiple bytecodes.
426 //------------------------------------------------------------------------------
427 #define WASM_WHILE(x, y) \
428 kExprLoop, x, kExprIf, y, kExprBr, ARITY_1, DEPTH_1, kExprEnd, kExprEnd
429 #define WASM_INC_LOCAL(index) \
430 kExprGetLocal, static_cast<byte>(index), kExprI8Const, 1, kExprI32Add, \
431 kExprSetLocal, static_cast<byte>(index)
432 #define WASM_INC_LOCAL_BY(index, count) \
433 kExprGetLocal, static_cast<byte>(index), kExprI8Const, \
434 static_cast<byte>(count), kExprI32Add, kExprSetLocal, \
435 static_cast<byte>(index)
436 #define WASM_UNOP(opcode, x) x, static_cast<byte>(opcode)
437 #define WASM_BINOP(opcode, x, y) x, y, static_cast<byte>(opcode)
438
439 //------------------------------------------------------------------------------
440 // Int32 operations
441 //------------------------------------------------------------------------------
442 #define WASM_I32_ADD(x, y) x, y, kExprI32Add
443 #define WASM_I32_SUB(x, y) x, y, kExprI32Sub
444 #define WASM_I32_MUL(x, y) x, y, kExprI32Mul
445 #define WASM_I32_DIVS(x, y) x, y, kExprI32DivS
446 #define WASM_I32_DIVU(x, y) x, y, kExprI32DivU
447 #define WASM_I32_REMS(x, y) x, y, kExprI32RemS
448 #define WASM_I32_REMU(x, y) x, y, kExprI32RemU
449 #define WASM_I32_AND(x, y) x, y, kExprI32And
450 #define WASM_I32_IOR(x, y) x, y, kExprI32Ior
451 #define WASM_I32_XOR(x, y) x, y, kExprI32Xor
452 #define WASM_I32_SHL(x, y) x, y, kExprI32Shl
453 #define WASM_I32_SHR(x, y) x, y, kExprI32ShrU
454 #define WASM_I32_SAR(x, y) x, y, kExprI32ShrS
455 #define WASM_I32_ROR(x, y) x, y, kExprI32Ror
456 #define WASM_I32_ROL(x, y) x, y, kExprI32Rol
457 #define WASM_I32_EQ(x, y) x, y, kExprI32Eq
458 #define WASM_I32_NE(x, y) x, y, kExprI32Ne
459 #define WASM_I32_LTS(x, y) x, y, kExprI32LtS
460 #define WASM_I32_LES(x, y) x, y, kExprI32LeS
461 #define WASM_I32_LTU(x, y) x, y, kExprI32LtU
462 #define WASM_I32_LEU(x, y) x, y, kExprI32LeU
463 #define WASM_I32_GTS(x, y) x, y, kExprI32GtS
464 #define WASM_I32_GES(x, y) x, y, kExprI32GeS
465 #define WASM_I32_GTU(x, y) x, y, kExprI32GtU
466 #define WASM_I32_GEU(x, y) x, y, kExprI32GeU
467 #define WASM_I32_CLZ(x) x, kExprI32Clz
468 #define WASM_I32_CTZ(x) x, kExprI32Ctz
469 #define WASM_I32_POPCNT(x) x, kExprI32Popcnt
470 #define WASM_I32_EQZ(x) x, kExprI32Eqz
471
472 //------------------------------------------------------------------------------
473 // Int64 operations
474 //------------------------------------------------------------------------------
475 #define WASM_I64_ADD(x, y) x, y, kExprI64Add
476 #define WASM_I64_SUB(x, y) x, y, kExprI64Sub
477 #define WASM_I64_MUL(x, y) x, y, kExprI64Mul
478 #define WASM_I64_DIVS(x, y) x, y, kExprI64DivS
479 #define WASM_I64_DIVU(x, y) x, y, kExprI64DivU
480 #define WASM_I64_REMS(x, y) x, y, kExprI64RemS
481 #define WASM_I64_REMU(x, y) x, y, kExprI64RemU
482 #define WASM_I64_AND(x, y) x, y, kExprI64And
483 #define WASM_I64_IOR(x, y) x, y, kExprI64Ior
484 #define WASM_I64_XOR(x, y) x, y, kExprI64Xor
485 #define WASM_I64_SHL(x, y) x, y, kExprI64Shl
486 #define WASM_I64_SHR(x, y) x, y, kExprI64ShrU
487 #define WASM_I64_SAR(x, y) x, y, kExprI64ShrS
488 #define WASM_I64_ROR(x, y) x, y, kExprI64Ror
489 #define WASM_I64_ROL(x, y) x, y, kExprI64Rol
490 #define WASM_I64_EQ(x, y) x, y, kExprI64Eq
491 #define WASM_I64_NE(x, y) x, y, kExprI64Ne
492 #define WASM_I64_LTS(x, y) x, y, kExprI64LtS
493 #define WASM_I64_LES(x, y) x, y, kExprI64LeS
494 #define WASM_I64_LTU(x, y) x, y, kExprI64LtU
495 #define WASM_I64_LEU(x, y) x, y, kExprI64LeU
496 #define WASM_I64_GTS(x, y) x, y, kExprI64GtS
497 #define WASM_I64_GES(x, y) x, y, kExprI64GeS
498 #define WASM_I64_GTU(x, y) x, y, kExprI64GtU
499 #define WASM_I64_GEU(x, y) x, y, kExprI64GeU
500 #define WASM_I64_CLZ(x) x, kExprI64Clz
501 #define WASM_I64_CTZ(x) x, kExprI64Ctz
502 #define WASM_I64_POPCNT(x) x, kExprI64Popcnt
503 #define WASM_I64_EQZ(x) x, kExprI64Eqz
504
505 //------------------------------------------------------------------------------
506 // Float32 operations
507 //------------------------------------------------------------------------------
508 #define WASM_F32_ADD(x, y) x, y, kExprF32Add
509 #define WASM_F32_SUB(x, y) x, y, kExprF32Sub
510 #define WASM_F32_MUL(x, y) x, y, kExprF32Mul
511 #define WASM_F32_DIV(x, y) x, y, kExprF32Div
512 #define WASM_F32_MIN(x, y) x, y, kExprF32Min
513 #define WASM_F32_MAX(x, y) x, y, kExprF32Max
514 #define WASM_F32_ABS(x) x, kExprF32Abs
515 #define WASM_F32_NEG(x) x, kExprF32Neg
516 #define WASM_F32_COPYSIGN(x, y) x, y, kExprF32CopySign
517 #define WASM_F32_CEIL(x) x, kExprF32Ceil
518 #define WASM_F32_FLOOR(x) x, kExprF32Floor
519 #define WASM_F32_TRUNC(x) x, kExprF32Trunc
520 #define WASM_F32_NEARESTINT(x) x, kExprF32NearestInt
521 #define WASM_F32_SQRT(x) x, kExprF32Sqrt
522 #define WASM_F32_EQ(x, y) x, y, kExprF32Eq
523 #define WASM_F32_NE(x, y) x, y, kExprF32Ne
524 #define WASM_F32_LT(x, y) x, y, kExprF32Lt
525 #define WASM_F32_LE(x, y) x, y, kExprF32Le
526 #define WASM_F32_GT(x, y) x, y, kExprF32Gt
527 #define WASM_F32_GE(x, y) x, y, kExprF32Ge
528
529 //------------------------------------------------------------------------------
530 // Float64 operations
531 //------------------------------------------------------------------------------
532 #define WASM_F64_ADD(x, y) x, y, kExprF64Add
533 #define WASM_F64_SUB(x, y) x, y, kExprF64Sub
534 #define WASM_F64_MUL(x, y) x, y, kExprF64Mul
535 #define WASM_F64_DIV(x, y) x, y, kExprF64Div
536 #define WASM_F64_MIN(x, y) x, y, kExprF64Min
537 #define WASM_F64_MAX(x, y) x, y, kExprF64Max
538 #define WASM_F64_ABS(x) x, kExprF64Abs
539 #define WASM_F64_NEG(x) x, kExprF64Neg
540 #define WASM_F64_COPYSIGN(x, y) x, y, kExprF64CopySign
541 #define WASM_F64_CEIL(x) x, kExprF64Ceil
542 #define WASM_F64_FLOOR(x) x, kExprF64Floor
543 #define WASM_F64_TRUNC(x) x, kExprF64Trunc
544 #define WASM_F64_NEARESTINT(x) x, kExprF64NearestInt
545 #define WASM_F64_SQRT(x) x, kExprF64Sqrt
546 #define WASM_F64_EQ(x, y) x, y, kExprF64Eq
547 #define WASM_F64_NE(x, y) x, y, kExprF64Ne
548 #define WASM_F64_LT(x, y) x, y, kExprF64Lt
549 #define WASM_F64_LE(x, y) x, y, kExprF64Le
550 #define WASM_F64_GT(x, y) x, y, kExprF64Gt
551 #define WASM_F64_GE(x, y) x, y, kExprF64Ge
552
553 //------------------------------------------------------------------------------
554 // Type conversions.
555 //------------------------------------------------------------------------------
556 #define WASM_I32_SCONVERT_F32(x) x, kExprI32SConvertF32
557 #define WASM_I32_SCONVERT_F64(x) x, kExprI32SConvertF64
558 #define WASM_I32_UCONVERT_F32(x) x, kExprI32UConvertF32
559 #define WASM_I32_UCONVERT_F64(x) x, kExprI32UConvertF64
560 #define WASM_I32_CONVERT_I64(x) x, kExprI32ConvertI64
561 #define WASM_I64_SCONVERT_F32(x) x, kExprI64SConvertF32
562 #define WASM_I64_SCONVERT_F64(x) x, kExprI64SConvertF64
563 #define WASM_I64_UCONVERT_F32(x) x, kExprI64UConvertF32
564 #define WASM_I64_UCONVERT_F64(x) x, kExprI64UConvertF64
565 #define WASM_I64_SCONVERT_I32(x) x, kExprI64SConvertI32
566 #define WASM_I64_UCONVERT_I32(x) x, kExprI64UConvertI32
567 #define WASM_F32_SCONVERT_I32(x) x, kExprF32SConvertI32
568 #define WASM_F32_UCONVERT_I32(x) x, kExprF32UConvertI32
569 #define WASM_F32_SCONVERT_I64(x) x, kExprF32SConvertI64
570 #define WASM_F32_UCONVERT_I64(x) x, kExprF32UConvertI64
571 #define WASM_F32_CONVERT_F64(x) x, kExprF32ConvertF64
572 #define WASM_F32_REINTERPRET_I32(x) x, kExprF32ReinterpretI32
573 #define WASM_F64_SCONVERT_I32(x) x, kExprF64SConvertI32
574 #define WASM_F64_UCONVERT_I32(x) x, kExprF64UConvertI32
575 #define WASM_F64_SCONVERT_I64(x) x, kExprF64SConvertI64
576 #define WASM_F64_UCONVERT_I64(x) x, kExprF64UConvertI64
577 #define WASM_F64_CONVERT_F32(x) x, kExprF64ConvertF32
578 #define WASM_F64_REINTERPRET_I64(x) x, kExprF64ReinterpretI64
579 #define WASM_I32_REINTERPRET_F32(x) x, kExprI32ReinterpretF32
580 #define WASM_I64_REINTERPRET_F64(x) x, kExprI64ReinterpretF64
581
582 #define SIG_ENTRY_v_v kWasmFunctionTypeForm, 0, 0
583 #define SIZEOF_SIG_ENTRY_v_v 3
584
585 #define SIG_ENTRY_v_x(a) kWasmFunctionTypeForm, 1, a, 0
586 #define SIG_ENTRY_v_xx(a, b) kWasmFunctionTypeForm, 2, a, b, 0
587 #define SIG_ENTRY_v_xxx(a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 0
588 #define SIZEOF_SIG_ENTRY_v_x 4
589 #define SIZEOF_SIG_ENTRY_v_xx 5
590 #define SIZEOF_SIG_ENTRY_v_xxx 6
591
592 #define SIG_ENTRY_x(r) kWasmFunctionTypeForm, 0, 1, r
593 #define SIG_ENTRY_x_x(r, a) kWasmFunctionTypeForm, 1, a, 1, r
594 #define SIG_ENTRY_x_xx(r, a, b) kWasmFunctionTypeForm, 2, a, b, 1, r
595 #define SIG_ENTRY_x_xxx(r, a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 1, r
596 #define SIZEOF_SIG_ENTRY_x 4
597 #define SIZEOF_SIG_ENTRY_x_x 5
598 #define SIZEOF_SIG_ENTRY_x_xx 6
599 #define SIZEOF_SIG_ENTRY_x_xxx 7
600
601 #endif // V8_WASM_MACRO_GEN_H_
602