V8 API Reference, 7.2.502.16 (for Deno 0.2.4)
wasm-opcodes.h
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_WASM_OPCODES_H_
6 #define V8_WASM_WASM_OPCODES_H_
7 
8 #include "src/globals.h"
9 #include "src/message-template.h"
10 #include "src/wasm/value-type.h"
11 #include "src/wasm/wasm-constants.h"
12 
13 namespace v8 {
14 namespace internal {
15 
16 namespace wasm {
17 
18 std::ostream& operator<<(std::ostream& os, const FunctionSig& function);
19 bool IsJSCompatibleSignature(const FunctionSig* sig);
20 
21 // Control expressions and blocks.
22 #define FOREACH_CONTROL_OPCODE(V) \
23  V(Unreachable, 0x00, _) \
24  V(Nop, 0x01, _) \
25  V(Block, 0x02, _) \
26  V(Loop, 0x03, _) \
27  V(If, 0x004, _) \
28  V(Else, 0x05, _) \
29  V(Try, 0x06, _ /* eh_prototype */) \
30  V(Catch, 0x07, _ /* eh_prototype */) \
31  V(Throw, 0x08, _ /* eh_prototype */) \
32  V(Rethrow, 0x09, _ /* eh_prototype */) \
33  V(CatchAll, 0x0a, _ /* eh prototype */) \
34  V(End, 0x0b, _) \
35  V(Br, 0x0c, _) \
36  V(BrIf, 0x0d, _) \
37  V(BrTable, 0x0e, _) \
38  V(Return, 0x0f, _)
39 
40 // Constants, locals, globals, and calls.
41 #define FOREACH_MISC_OPCODE(V) \
42  V(CallFunction, 0x10, _) \
43  V(CallIndirect, 0x11, _) \
44  V(Drop, 0x1a, _) \
45  V(Select, 0x1b, _) \
46  V(GetLocal, 0x20, _) \
47  V(SetLocal, 0x21, _) \
48  V(TeeLocal, 0x22, _) \
49  V(GetGlobal, 0x23, _) \
50  V(SetGlobal, 0x24, _) \
51  V(I32Const, 0x41, _) \
52  V(I64Const, 0x42, _) \
53  V(F32Const, 0x43, _) \
54  V(F64Const, 0x44, _) \
55  V(RefNull, 0xd0, _)
56 
57 // Load memory expressions.
58 #define FOREACH_LOAD_MEM_OPCODE(V) \
59  V(I32LoadMem, 0x28, i_i) \
60  V(I64LoadMem, 0x29, l_i) \
61  V(F32LoadMem, 0x2a, f_i) \
62  V(F64LoadMem, 0x2b, d_i) \
63  V(I32LoadMem8S, 0x2c, i_i) \
64  V(I32LoadMem8U, 0x2d, i_i) \
65  V(I32LoadMem16S, 0x2e, i_i) \
66  V(I32LoadMem16U, 0x2f, i_i) \
67  V(I64LoadMem8S, 0x30, l_i) \
68  V(I64LoadMem8U, 0x31, l_i) \
69  V(I64LoadMem16S, 0x32, l_i) \
70  V(I64LoadMem16U, 0x33, l_i) \
71  V(I64LoadMem32S, 0x34, l_i) \
72  V(I64LoadMem32U, 0x35, l_i)
73 
74 // Store memory expressions.
75 #define FOREACH_STORE_MEM_OPCODE(V) \
76  V(I32StoreMem, 0x36, v_ii) \
77  V(I64StoreMem, 0x37, v_il) \
78  V(F32StoreMem, 0x38, v_if) \
79  V(F64StoreMem, 0x39, v_id) \
80  V(I32StoreMem8, 0x3a, v_ii) \
81  V(I32StoreMem16, 0x3b, v_ii) \
82  V(I64StoreMem8, 0x3c, v_il) \
83  V(I64StoreMem16, 0x3d, v_il) \
84  V(I64StoreMem32, 0x3e, v_il)
85 
86 // Miscellaneous memory expressions
87 #define FOREACH_MISC_MEM_OPCODE(V) \
88  V(MemorySize, 0x3f, i_v) \
89  V(MemoryGrow, 0x40, i_i)
90 
91 // Expressions with signatures.
92 #define FOREACH_SIMPLE_OPCODE(V) \
93  V(I32Eqz, 0x45, i_i) \
94  V(I32Eq, 0x46, i_ii) \
95  V(I32Ne, 0x47, i_ii) \
96  V(I32LtS, 0x48, i_ii) \
97  V(I32LtU, 0x49, i_ii) \
98  V(I32GtS, 0x4a, i_ii) \
99  V(I32GtU, 0x4b, i_ii) \
100  V(I32LeS, 0x4c, i_ii) \
101  V(I32LeU, 0x4d, i_ii) \
102  V(I32GeS, 0x4e, i_ii) \
103  V(I32GeU, 0x4f, i_ii) \
104  V(I64Eqz, 0x50, i_l) \
105  V(I64Eq, 0x51, i_ll) \
106  V(I64Ne, 0x52, i_ll) \
107  V(I64LtS, 0x53, i_ll) \
108  V(I64LtU, 0x54, i_ll) \
109  V(I64GtS, 0x55, i_ll) \
110  V(I64GtU, 0x56, i_ll) \
111  V(I64LeS, 0x57, i_ll) \
112  V(I64LeU, 0x58, i_ll) \
113  V(I64GeS, 0x59, i_ll) \
114  V(I64GeU, 0x5a, i_ll) \
115  V(F32Eq, 0x5b, i_ff) \
116  V(F32Ne, 0x5c, i_ff) \
117  V(F32Lt, 0x5d, i_ff) \
118  V(F32Gt, 0x5e, i_ff) \
119  V(F32Le, 0x5f, i_ff) \
120  V(F32Ge, 0x60, i_ff) \
121  V(F64Eq, 0x61, i_dd) \
122  V(F64Ne, 0x62, i_dd) \
123  V(F64Lt, 0x63, i_dd) \
124  V(F64Gt, 0x64, i_dd) \
125  V(F64Le, 0x65, i_dd) \
126  V(F64Ge, 0x66, i_dd) \
127  V(I32Clz, 0x67, i_i) \
128  V(I32Ctz, 0x68, i_i) \
129  V(I32Popcnt, 0x69, i_i) \
130  V(I32Add, 0x6a, i_ii) \
131  V(I32Sub, 0x6b, i_ii) \
132  V(I32Mul, 0x6c, i_ii) \
133  V(I32DivS, 0x6d, i_ii) \
134  V(I32DivU, 0x6e, i_ii) \
135  V(I32RemS, 0x6f, i_ii) \
136  V(I32RemU, 0x70, i_ii) \
137  V(I32And, 0x71, i_ii) \
138  V(I32Ior, 0x72, i_ii) \
139  V(I32Xor, 0x73, i_ii) \
140  V(I32Shl, 0x74, i_ii) \
141  V(I32ShrS, 0x75, i_ii) \
142  V(I32ShrU, 0x76, i_ii) \
143  V(I32Rol, 0x77, i_ii) \
144  V(I32Ror, 0x78, i_ii) \
145  V(I64Clz, 0x79, l_l) \
146  V(I64Ctz, 0x7a, l_l) \
147  V(I64Popcnt, 0x7b, l_l) \
148  V(I64Add, 0x7c, l_ll) \
149  V(I64Sub, 0x7d, l_ll) \
150  V(I64Mul, 0x7e, l_ll) \
151  V(I64DivS, 0x7f, l_ll) \
152  V(I64DivU, 0x80, l_ll) \
153  V(I64RemS, 0x81, l_ll) \
154  V(I64RemU, 0x82, l_ll) \
155  V(I64And, 0x83, l_ll) \
156  V(I64Ior, 0x84, l_ll) \
157  V(I64Xor, 0x85, l_ll) \
158  V(I64Shl, 0x86, l_ll) \
159  V(I64ShrS, 0x87, l_ll) \
160  V(I64ShrU, 0x88, l_ll) \
161  V(I64Rol, 0x89, l_ll) \
162  V(I64Ror, 0x8a, l_ll) \
163  V(F32Abs, 0x8b, f_f) \
164  V(F32Neg, 0x8c, f_f) \
165  V(F32Ceil, 0x8d, f_f) \
166  V(F32Floor, 0x8e, f_f) \
167  V(F32Trunc, 0x8f, f_f) \
168  V(F32NearestInt, 0x90, f_f) \
169  V(F32Sqrt, 0x91, f_f) \
170  V(F32Add, 0x92, f_ff) \
171  V(F32Sub, 0x93, f_ff) \
172  V(F32Mul, 0x94, f_ff) \
173  V(F32Div, 0x95, f_ff) \
174  V(F32Min, 0x96, f_ff) \
175  V(F32Max, 0x97, f_ff) \
176  V(F32CopySign, 0x98, f_ff) \
177  V(F64Abs, 0x99, d_d) \
178  V(F64Neg, 0x9a, d_d) \
179  V(F64Ceil, 0x9b, d_d) \
180  V(F64Floor, 0x9c, d_d) \
181  V(F64Trunc, 0x9d, d_d) \
182  V(F64NearestInt, 0x9e, d_d) \
183  V(F64Sqrt, 0x9f, d_d) \
184  V(F64Add, 0xa0, d_dd) \
185  V(F64Sub, 0xa1, d_dd) \
186  V(F64Mul, 0xa2, d_dd) \
187  V(F64Div, 0xa3, d_dd) \
188  V(F64Min, 0xa4, d_dd) \
189  V(F64Max, 0xa5, d_dd) \
190  V(F64CopySign, 0xa6, d_dd) \
191  V(I32ConvertI64, 0xa7, i_l) \
192  V(I32SConvertF32, 0xa8, i_f) \
193  V(I32UConvertF32, 0xa9, i_f) \
194  V(I32SConvertF64, 0xaa, i_d) \
195  V(I32UConvertF64, 0xab, i_d) \
196  V(I64SConvertI32, 0xac, l_i) \
197  V(I64UConvertI32, 0xad, l_i) \
198  V(I64SConvertF32, 0xae, l_f) \
199  V(I64UConvertF32, 0xaf, l_f) \
200  V(I64SConvertF64, 0xb0, l_d) \
201  V(I64UConvertF64, 0xb1, l_d) \
202  V(F32SConvertI32, 0xb2, f_i) \
203  V(F32UConvertI32, 0xb3, f_i) \
204  V(F32SConvertI64, 0xb4, f_l) \
205  V(F32UConvertI64, 0xb5, f_l) \
206  V(F32ConvertF64, 0xb6, f_d) \
207  V(F64SConvertI32, 0xb7, d_i) \
208  V(F64UConvertI32, 0xb8, d_i) \
209  V(F64SConvertI64, 0xb9, d_l) \
210  V(F64UConvertI64, 0xba, d_l) \
211  V(F64ConvertF32, 0xbb, d_f) \
212  V(I32ReinterpretF32, 0xbc, i_f) \
213  V(I64ReinterpretF64, 0xbd, l_d) \
214  V(F32ReinterpretI32, 0xbe, f_i) \
215  V(F64ReinterpretI64, 0xbf, d_l)
216 
217 #define FOREACH_SIMPLE_PROTOTYPE_OPCODE(V) \
218  V(I32SExtendI8, 0xc0, i_i) \
219  V(I32SExtendI16, 0xc1, i_i) \
220  V(I64SExtendI8, 0xc2, l_l) \
221  V(I64SExtendI16, 0xc3, l_l) \
222  V(I64SExtendI32, 0xc4, l_l) \
223  V(RefIsNull, 0xd1, i_r)
224 
225 // For compatibility with Asm.js.
226 #define FOREACH_ASMJS_COMPAT_OPCODE(V) \
227  V(F64Acos, 0xc5, d_d) \
228  V(F64Asin, 0xc6, d_d) \
229  V(F64Atan, 0xc7, d_d) \
230  V(F64Cos, 0xc8, d_d) \
231  V(F64Sin, 0xc9, d_d) \
232  V(F64Tan, 0xca, d_d) \
233  V(F64Exp, 0xcb, d_d) \
234  V(F64Log, 0xcc, d_d) \
235  V(F64Atan2, 0xcd, d_dd) \
236  V(F64Pow, 0xce, d_dd) \
237  V(F64Mod, 0xcf, d_dd) \
238  V(I32AsmjsDivS, 0xd3, i_ii) \
239  V(I32AsmjsDivU, 0xd4, i_ii) \
240  V(I32AsmjsRemS, 0xd5, i_ii) \
241  V(I32AsmjsRemU, 0xd6, i_ii) \
242  V(I32AsmjsLoadMem8S, 0xd7, i_i) \
243  V(I32AsmjsLoadMem8U, 0xd8, i_i) \
244  V(I32AsmjsLoadMem16S, 0xd9, i_i) \
245  V(I32AsmjsLoadMem16U, 0xda, i_i) \
246  V(I32AsmjsLoadMem, 0xdb, i_i) \
247  V(F32AsmjsLoadMem, 0xdc, f_i) \
248  V(F64AsmjsLoadMem, 0xdd, d_i) \
249  V(I32AsmjsStoreMem8, 0xde, i_ii) \
250  V(I32AsmjsStoreMem16, 0xdf, i_ii) \
251  V(I32AsmjsStoreMem, 0xe0, i_ii) \
252  V(F32AsmjsStoreMem, 0xe1, f_if) \
253  V(F64AsmjsStoreMem, 0xe2, d_id) \
254  V(I32AsmjsSConvertF32, 0xe3, i_f) \
255  V(I32AsmjsUConvertF32, 0xe4, i_f) \
256  V(I32AsmjsSConvertF64, 0xe5, i_d) \
257  V(I32AsmjsUConvertF64, 0xe6, i_d)
258 
259 #define FOREACH_SIMD_MEM_OPCODE(V) \
260  V(S128LoadMem, 0xfd00, s_i) \
261  V(S128StoreMem, 0xfd01, v_is)
262 
263 #define FOREACH_SIMD_MASK_OPERAND_OPCODE(V) V(S8x16Shuffle, 0xfd03, s_ss)
264 
265 #define FOREACH_SIMD_0_OPERAND_OPCODE(V) \
266  V(I8x16Splat, 0xfd04, s_i) \
267  V(I16x8Splat, 0xfd08, s_i) \
268  V(I32x4Splat, 0xfd0c, s_i) \
269  V(F32x4Splat, 0xfd12, s_f) \
270  V(I8x16Eq, 0xfd18, s_ss) \
271  V(I8x16Ne, 0xfd19, s_ss) \
272  V(I8x16LtS, 0xfd1a, s_ss) \
273  V(I8x16LtU, 0xfd1b, s_ss) \
274  V(I8x16GtS, 0xfd1c, s_ss) \
275  V(I8x16GtU, 0xfd1d, s_ss) \
276  V(I8x16LeS, 0xfd1e, s_ss) \
277  V(I8x16LeU, 0xfd1f, s_ss) \
278  V(I8x16GeS, 0xfd20, s_ss) \
279  V(I8x16GeU, 0xfd21, s_ss) \
280  V(I16x8Eq, 0xfd22, s_ss) \
281  V(I16x8Ne, 0xfd23, s_ss) \
282  V(I16x8LtS, 0xfd24, s_ss) \
283  V(I16x8LtU, 0xfd25, s_ss) \
284  V(I16x8GtS, 0xfd26, s_ss) \
285  V(I16x8GtU, 0xfd27, s_ss) \
286  V(I16x8LeS, 0xfd28, s_ss) \
287  V(I16x8LeU, 0xfd29, s_ss) \
288  V(I16x8GeS, 0xfd2a, s_ss) \
289  V(I16x8GeU, 0xfd2b, s_ss) \
290  V(I32x4Eq, 0xfd2c, s_ss) \
291  V(I32x4Ne, 0xfd2d, s_ss) \
292  V(I32x4LtS, 0xfd2e, s_ss) \
293  V(I32x4LtU, 0xfd2f, s_ss) \
294  V(I32x4GtS, 0xfd30, s_ss) \
295  V(I32x4GtU, 0xfd31, s_ss) \
296  V(I32x4LeS, 0xfd32, s_ss) \
297  V(I32x4LeU, 0xfd33, s_ss) \
298  V(I32x4GeS, 0xfd34, s_ss) \
299  V(I32x4GeU, 0xfd35, s_ss) \
300  V(F32x4Eq, 0xfd40, s_ss) \
301  V(F32x4Ne, 0xfd41, s_ss) \
302  V(F32x4Lt, 0xfd42, s_ss) \
303  V(F32x4Gt, 0xfd43, s_ss) \
304  V(F32x4Le, 0xfd44, s_ss) \
305  V(F32x4Ge, 0xfd45, s_ss) \
306  V(S128Not, 0xfd4c, s_s) \
307  V(S128And, 0xfd4d, s_ss) \
308  V(S128Or, 0xfd4e, s_ss) \
309  V(S128Xor, 0xfd4f, s_ss) \
310  V(S128Select, 0xfd50, s_sss) \
311  V(I8x16Neg, 0xfd51, s_s) \
312  V(S1x16AnyTrue, 0xfd52, i_s) \
313  V(S1x16AllTrue, 0xfd53, i_s) \
314  V(I8x16Add, 0xfd57, s_ss) \
315  V(I8x16AddSaturateS, 0xfd58, s_ss) \
316  V(I8x16AddSaturateU, 0xfd59, s_ss) \
317  V(I8x16Sub, 0xfd5a, s_ss) \
318  V(I8x16SubSaturateS, 0xfd5b, s_ss) \
319  V(I8x16SubSaturateU, 0xfd5c, s_ss) \
320  V(I8x16Mul, 0xfd5d, s_ss) \
321  V(I8x16MinS, 0xfd5e, s_ss) \
322  V(I8x16MinU, 0xfd5f, s_ss) \
323  V(I8x16MaxS, 0xfd60, s_ss) \
324  V(I8x16MaxU, 0xfd61, s_ss) \
325  V(I16x8Neg, 0xfd62, s_s) \
326  V(S1x8AnyTrue, 0xfd63, i_s) \
327  V(S1x8AllTrue, 0xfd64, i_s) \
328  V(I16x8Add, 0xfd68, s_ss) \
329  V(I16x8AddSaturateS, 0xfd69, s_ss) \
330  V(I16x8AddSaturateU, 0xfd6a, s_ss) \
331  V(I16x8Sub, 0xfd6b, s_ss) \
332  V(I16x8SubSaturateS, 0xfd6c, s_ss) \
333  V(I16x8SubSaturateU, 0xfd6d, s_ss) \
334  V(I16x8Mul, 0xfd6e, s_ss) \
335  V(I16x8MinS, 0xfd6f, s_ss) \
336  V(I16x8MinU, 0xfd70, s_ss) \
337  V(I16x8MaxS, 0xfd71, s_ss) \
338  V(I16x8MaxU, 0xfd72, s_ss) \
339  V(I32x4Neg, 0xfd73, s_s) \
340  V(S1x4AnyTrue, 0xfd74, i_s) \
341  V(S1x4AllTrue, 0xfd75, i_s) \
342  V(I32x4Add, 0xfd79, s_ss) \
343  V(I32x4Sub, 0xfd7c, s_ss) \
344  V(I32x4Mul, 0xfd7f, s_ss) \
345  V(I32x4MinS, 0xfd80, s_ss) \
346  V(I32x4MinU, 0xfd81, s_ss) \
347  V(I32x4MaxS, 0xfd82, s_ss) \
348  V(I32x4MaxU, 0xfd83, s_ss) \
349  V(F32x4Abs, 0xfd95, s_s) \
350  V(F32x4Neg, 0xfd96, s_s) \
351  V(F32x4RecipApprox, 0xfd98, s_s) \
352  V(F32x4RecipSqrtApprox, 0xfd99, s_s) \
353  V(F32x4Add, 0xfd9a, s_ss) \
354  V(F32x4Sub, 0xfd9b, s_ss) \
355  V(F32x4Mul, 0xfd9c, s_ss) \
356  V(F32x4Min, 0xfd9e, s_ss) \
357  V(F32x4Max, 0xfd9f, s_ss) \
358  V(I32x4SConvertF32x4, 0xfdab, s_s) \
359  V(I32x4UConvertF32x4, 0xfdac, s_s) \
360  V(F32x4SConvertI32x4, 0xfdaf, s_s) \
361  V(F32x4UConvertI32x4, 0xfdb0, s_s) \
362  V(I8x16SConvertI16x8, 0xfdb1, s_ss) \
363  V(I8x16UConvertI16x8, 0xfdb2, s_ss) \
364  V(I16x8SConvertI32x4, 0xfdb3, s_ss) \
365  V(I16x8UConvertI32x4, 0xfdb4, s_ss) \
366  V(I16x8SConvertI8x16Low, 0xfdb5, s_s) \
367  V(I16x8SConvertI8x16High, 0xfdb6, s_s) \
368  V(I16x8UConvertI8x16Low, 0xfdb7, s_s) \
369  V(I16x8UConvertI8x16High, 0xfdb8, s_s) \
370  V(I32x4SConvertI16x8Low, 0xfdb9, s_s) \
371  V(I32x4SConvertI16x8High, 0xfdba, s_s) \
372  V(I32x4UConvertI16x8Low, 0xfdbb, s_s) \
373  V(I32x4UConvertI16x8High, 0xfdbc, s_s) \
374  V(I16x8AddHoriz, 0xfdbd, s_ss) \
375  V(I32x4AddHoriz, 0xfdbe, s_ss) \
376  V(F32x4AddHoriz, 0xfdbf, s_ss)
377 
378 #define FOREACH_SIMD_1_OPERAND_1_PARAM_OPCODE(V) \
379  V(I8x16ExtractLane, 0xfd05, _) \
380  V(I16x8ExtractLane, 0xfd09, _) \
381  V(I32x4ExtractLane, 0xfd0d, _) \
382  V(F32x4ExtractLane, 0xfd13, _) \
383  V(I8x16Shl, 0xfd54, _) \
384  V(I8x16ShrS, 0xfd55, _) \
385  V(I8x16ShrU, 0xfd56, _) \
386  V(I16x8Shl, 0xfd65, _) \
387  V(I16x8ShrS, 0xfd66, _) \
388  V(I16x8ShrU, 0xfd67, _) \
389  V(I32x4Shl, 0xfd76, _) \
390  V(I32x4ShrS, 0xfd77, _) \
391  V(I32x4ShrU, 0xfd78, _)
392 
393 #define FOREACH_SIMD_1_OPERAND_2_PARAM_OPCODE(V) \
394  V(I8x16ReplaceLane, 0xfd07, _) \
395  V(I16x8ReplaceLane, 0xfd0b, _) \
396  V(I32x4ReplaceLane, 0xfd0e, _) \
397  V(F32x4ReplaceLane, 0xfd14, _)
398 
399 #define FOREACH_SIMD_1_OPERAND_OPCODE(V) \
400  FOREACH_SIMD_1_OPERAND_1_PARAM_OPCODE(V) \
401  FOREACH_SIMD_1_OPERAND_2_PARAM_OPCODE(V)
402 
403 #define FOREACH_NUMERIC_OPCODE(V) \
404  V(I32SConvertSatF32, 0xfc00, i_f) \
405  V(I32UConvertSatF32, 0xfc01, i_f) \
406  V(I32SConvertSatF64, 0xfc02, i_d) \
407  V(I32UConvertSatF64, 0xfc03, i_d) \
408  V(I64SConvertSatF32, 0xfc04, l_f) \
409  V(I64UConvertSatF32, 0xfc05, l_f) \
410  V(I64SConvertSatF64, 0xfc06, l_d) \
411  V(I64UConvertSatF64, 0xfc07, l_d) \
412  V(MemoryInit, 0xfc08, v_iii) \
413  V(MemoryDrop, 0xfc09, v_v) \
414  V(MemoryCopy, 0xfc0a, v_iii) \
415  V(MemoryFill, 0xfc0b, v_iii) \
416  V(TableInit, 0xfc0c, v_iii) \
417  V(TableDrop, 0xfc0d, v_v) \
418  V(TableCopy, 0xfc0e, v_iii)
419 
420 #define FOREACH_ATOMIC_OPCODE(V) \
421  V(AtomicWake, 0xfe00, i_ii) \
422  V(I32AtomicWait, 0xfe01, i_iil) \
423  V(I32AtomicLoad, 0xfe10, i_i) \
424  V(I64AtomicLoad, 0xfe11, l_i) \
425  V(I32AtomicLoad8U, 0xfe12, i_i) \
426  V(I32AtomicLoad16U, 0xfe13, i_i) \
427  V(I64AtomicLoad8U, 0xfe14, l_i) \
428  V(I64AtomicLoad16U, 0xfe15, l_i) \
429  V(I64AtomicLoad32U, 0xfe16, l_i) \
430  V(I32AtomicStore, 0xfe17, v_ii) \
431  V(I64AtomicStore, 0xfe18, v_il) \
432  V(I32AtomicStore8U, 0xfe19, v_ii) \
433  V(I32AtomicStore16U, 0xfe1a, v_ii) \
434  V(I64AtomicStore8U, 0xfe1b, v_il) \
435  V(I64AtomicStore16U, 0xfe1c, v_il) \
436  V(I64AtomicStore32U, 0xfe1d, v_il) \
437  V(I32AtomicAdd, 0xfe1e, i_ii) \
438  V(I64AtomicAdd, 0xfe1f, l_il) \
439  V(I32AtomicAdd8U, 0xfe20, i_ii) \
440  V(I32AtomicAdd16U, 0xfe21, i_ii) \
441  V(I64AtomicAdd8U, 0xfe22, l_il) \
442  V(I64AtomicAdd16U, 0xfe23, l_il) \
443  V(I64AtomicAdd32U, 0xfe24, l_il) \
444  V(I32AtomicSub, 0xfe25, i_ii) \
445  V(I64AtomicSub, 0xfe26, l_il) \
446  V(I32AtomicSub8U, 0xfe27, i_ii) \
447  V(I32AtomicSub16U, 0xfe28, i_ii) \
448  V(I64AtomicSub8U, 0xfe29, l_il) \
449  V(I64AtomicSub16U, 0xfe2a, l_il) \
450  V(I64AtomicSub32U, 0xfe2b, l_il) \
451  V(I32AtomicAnd, 0xfe2c, i_ii) \
452  V(I64AtomicAnd, 0xfe2d, l_il) \
453  V(I32AtomicAnd8U, 0xfe2e, i_ii) \
454  V(I32AtomicAnd16U, 0xfe2f, i_ii) \
455  V(I64AtomicAnd8U, 0xfe30, l_il) \
456  V(I64AtomicAnd16U, 0xfe31, l_il) \
457  V(I64AtomicAnd32U, 0xfe32, l_il) \
458  V(I32AtomicOr, 0xfe33, i_ii) \
459  V(I64AtomicOr, 0xfe34, l_il) \
460  V(I32AtomicOr8U, 0xfe35, i_ii) \
461  V(I32AtomicOr16U, 0xfe36, i_ii) \
462  V(I64AtomicOr8U, 0xfe37, l_il) \
463  V(I64AtomicOr16U, 0xfe38, l_il) \
464  V(I64AtomicOr32U, 0xfe39, l_il) \
465  V(I32AtomicXor, 0xfe3a, i_ii) \
466  V(I64AtomicXor, 0xfe3b, l_il) \
467  V(I32AtomicXor8U, 0xfe3c, i_ii) \
468  V(I32AtomicXor16U, 0xfe3d, i_ii) \
469  V(I64AtomicXor8U, 0xfe3e, l_il) \
470  V(I64AtomicXor16U, 0xfe3f, l_il) \
471  V(I64AtomicXor32U, 0xfe40, l_il) \
472  V(I32AtomicExchange, 0xfe41, i_ii) \
473  V(I64AtomicExchange, 0xfe42, l_il) \
474  V(I32AtomicExchange8U, 0xfe43, i_ii) \
475  V(I32AtomicExchange16U, 0xfe44, i_ii) \
476  V(I64AtomicExchange8U, 0xfe45, l_il) \
477  V(I64AtomicExchange16U, 0xfe46, l_il) \
478  V(I64AtomicExchange32U, 0xfe47, l_il) \
479  V(I32AtomicCompareExchange, 0xfe48, i_iii) \
480  V(I64AtomicCompareExchange, 0xfe49, l_ill) \
481  V(I32AtomicCompareExchange8U, 0xfe4a, i_iii) \
482  V(I32AtomicCompareExchange16U, 0xfe4b, i_iii) \
483  V(I64AtomicCompareExchange8U, 0xfe4c, l_ill) \
484  V(I64AtomicCompareExchange16U, 0xfe4d, l_ill) \
485  V(I64AtomicCompareExchange32U, 0xfe4e, l_ill)
486 
487 // All opcodes.
488 #define FOREACH_OPCODE(V) \
489  FOREACH_CONTROL_OPCODE(V) \
490  FOREACH_MISC_OPCODE(V) \
491  FOREACH_SIMPLE_OPCODE(V) \
492  FOREACH_SIMPLE_PROTOTYPE_OPCODE(V) \
493  FOREACH_STORE_MEM_OPCODE(V) \
494  FOREACH_LOAD_MEM_OPCODE(V) \
495  FOREACH_MISC_MEM_OPCODE(V) \
496  FOREACH_ASMJS_COMPAT_OPCODE(V) \
497  FOREACH_SIMD_0_OPERAND_OPCODE(V) \
498  FOREACH_SIMD_1_OPERAND_OPCODE(V) \
499  FOREACH_SIMD_MASK_OPERAND_OPCODE(V) \
500  FOREACH_SIMD_MEM_OPCODE(V) \
501  FOREACH_ATOMIC_OPCODE(V) \
502  FOREACH_NUMERIC_OPCODE(V)
503 
504 // All signatures.
505 #define FOREACH_SIGNATURE(V) \
506  FOREACH_SIMD_SIGNATURE(V) \
507  V(v_v, kWasmStmt) \
508  V(i_ii, kWasmI32, kWasmI32, kWasmI32) \
509  V(i_i, kWasmI32, kWasmI32) \
510  V(i_v, kWasmI32) \
511  V(i_ff, kWasmI32, kWasmF32, kWasmF32) \
512  V(i_f, kWasmI32, kWasmF32) \
513  V(i_dd, kWasmI32, kWasmF64, kWasmF64) \
514  V(i_d, kWasmI32, kWasmF64) \
515  V(i_l, kWasmI32, kWasmI64) \
516  V(l_ll, kWasmI64, kWasmI64, kWasmI64) \
517  V(i_ll, kWasmI32, kWasmI64, kWasmI64) \
518  V(l_l, kWasmI64, kWasmI64) \
519  V(l_i, kWasmI64, kWasmI32) \
520  V(l_f, kWasmI64, kWasmF32) \
521  V(l_d, kWasmI64, kWasmF64) \
522  V(f_ff, kWasmF32, kWasmF32, kWasmF32) \
523  V(f_f, kWasmF32, kWasmF32) \
524  V(f_d, kWasmF32, kWasmF64) \
525  V(f_i, kWasmF32, kWasmI32) \
526  V(f_l, kWasmF32, kWasmI64) \
527  V(d_dd, kWasmF64, kWasmF64, kWasmF64) \
528  V(d_d, kWasmF64, kWasmF64) \
529  V(d_f, kWasmF64, kWasmF32) \
530  V(d_i, kWasmF64, kWasmI32) \
531  V(d_l, kWasmF64, kWasmI64) \
532  V(v_ii, kWasmStmt, kWasmI32, kWasmI32) \
533  V(v_id, kWasmStmt, kWasmI32, kWasmF64) \
534  V(d_id, kWasmF64, kWasmI32, kWasmF64) \
535  V(v_if, kWasmStmt, kWasmI32, kWasmF32) \
536  V(f_if, kWasmF32, kWasmI32, kWasmF32) \
537  V(v_il, kWasmStmt, kWasmI32, kWasmI64) \
538  V(l_il, kWasmI64, kWasmI32, kWasmI64) \
539  V(v_iii, kWasmStmt, kWasmI32, kWasmI32, kWasmI32) \
540  V(i_iii, kWasmI32, kWasmI32, kWasmI32, kWasmI32) \
541  V(l_ill, kWasmI64, kWasmI32, kWasmI64, kWasmI64) \
542  V(i_iil, kWasmI32, kWasmI32, kWasmI32, kWasmI64) \
543  V(i_r, kWasmI32, kWasmAnyRef)
544 
545 #define FOREACH_SIMD_SIGNATURE(V) \
546  V(s_s, kWasmS128, kWasmS128) \
547  V(s_f, kWasmS128, kWasmF32) \
548  V(s_ss, kWasmS128, kWasmS128, kWasmS128) \
549  V(s_i, kWasmS128, kWasmI32) \
550  V(s_si, kWasmS128, kWasmS128, kWasmI32) \
551  V(i_s, kWasmI32, kWasmS128) \
552  V(v_is, kWasmStmt, kWasmI32, kWasmS128) \
553  V(s_sss, kWasmS128, kWasmS128, kWasmS128, kWasmS128)
554 
555 #define FOREACH_PREFIX(V) \
556  V(Numeric, 0xfc) \
557  V(Simd, 0xfd) \
558  V(Atomic, 0xfe)
559 
560 enum WasmOpcode {
561 // Declare expression opcodes.
562 #define DECLARE_NAMED_ENUM(name, opcode, sig) kExpr##name = opcode,
563  FOREACH_OPCODE(DECLARE_NAMED_ENUM)
564 #undef DECLARE_NAMED_ENUM
565 #define DECLARE_PREFIX(name, opcode) k##name##Prefix = opcode,
566  FOREACH_PREFIX(DECLARE_PREFIX)
567 #undef DECLARE_PREFIX
568 };
569 
570 enum TrapReason {
571 #define DECLARE_ENUM(name) k##name,
572  FOREACH_WASM_TRAPREASON(DECLARE_ENUM)
573  kTrapCount
574 #undef DECLARE_ENUM
575 };
576 
577 extern const std::array<const FunctionSig*, 256> kSimpleOpcodeSigs;
578 
579 // A collection of opcode-related static methods.
580 class V8_EXPORT_PRIVATE WasmOpcodes {
581  public:
582  static const char* OpcodeName(WasmOpcode opcode);
583  static FunctionSig* Signature(WasmOpcode opcode);
584  static FunctionSig* AsmjsSignature(WasmOpcode opcode);
585  static bool IsPrefixOpcode(WasmOpcode opcode);
586  static bool IsControlOpcode(WasmOpcode opcode);
587  static bool IsSignExtensionOpcode(WasmOpcode opcode);
588  static bool IsAnyRefOpcode(WasmOpcode opcode);
589  // Check whether the given opcode always jumps, i.e. all instructions after
590  // this one in the current block are dead. Returns false for |end|.
591  static bool IsUnconditionalJump(WasmOpcode opcode);
592 
593  static MessageTemplate TrapReasonToMessageId(TrapReason reason);
594  static const char* TrapReasonMessage(TrapReason reason);
595 };
596 
597 // Representation of an initializer expression.
598 struct WasmInitExpr {
599  enum WasmInitKind {
600  kNone,
601  kGlobalIndex,
602  kI32Const,
603  kI64Const,
604  kF32Const,
605  kF64Const,
606  kAnyRefConst,
607  } kind;
608 
609  union {
610  int32_t i32_const;
611  int64_t i64_const;
612  float f32_const;
613  double f64_const;
614  uint32_t global_index;
615  } val;
616 
617  WasmInitExpr() : kind(kNone) {}
618  explicit WasmInitExpr(int32_t v) : kind(kI32Const) { val.i32_const = v; }
619  explicit WasmInitExpr(int64_t v) : kind(kI64Const) { val.i64_const = v; }
620  explicit WasmInitExpr(float v) : kind(kF32Const) { val.f32_const = v; }
621  explicit WasmInitExpr(double v) : kind(kF64Const) { val.f64_const = v; }
622  WasmInitExpr(WasmInitKind kind, uint32_t global_index) : kind(kGlobalIndex) {
623  val.global_index = global_index;
624  }
625 };
626 
627 } // namespace wasm
628 } // namespace internal
629 } // namespace v8
630 
631 #endif // V8_WASM_WASM_OPCODES_H_
int64_t
v8
Definition: libplatform.h:13
uint32_t