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Side by Side Diff: src/mips/code-stubs-mips.h

Issue 430503007: Rename ASSERT* to DCHECK*. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE and fixes Created 6 years, 4 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_MIPS_CODE_STUBS_ARM_H_ 5 #ifndef V8_MIPS_CODE_STUBS_ARM_H_
6 #define V8_MIPS_CODE_STUBS_ARM_H_ 6 #define V8_MIPS_CODE_STUBS_ARM_H_
7 7
8 #include "src/ic-inl.h" 8 #include "src/ic-inl.h"
9 9
10 10
(...skipping 137 matching lines...) Expand 10 before | Expand all | Expand 10 after
148 WriteInt32ToHeapNumberStub(Isolate* isolate, 148 WriteInt32ToHeapNumberStub(Isolate* isolate,
149 Register the_int, 149 Register the_int,
150 Register the_heap_number, 150 Register the_heap_number,
151 Register scratch, 151 Register scratch,
152 Register scratch2) 152 Register scratch2)
153 : PlatformCodeStub(isolate), 153 : PlatformCodeStub(isolate),
154 the_int_(the_int), 154 the_int_(the_int),
155 the_heap_number_(the_heap_number), 155 the_heap_number_(the_heap_number),
156 scratch_(scratch), 156 scratch_(scratch),
157 sign_(scratch2) { 157 sign_(scratch2) {
158 ASSERT(IntRegisterBits::is_valid(the_int_.code())); 158 DCHECK(IntRegisterBits::is_valid(the_int_.code()));
159 ASSERT(HeapNumberRegisterBits::is_valid(the_heap_number_.code())); 159 DCHECK(HeapNumberRegisterBits::is_valid(the_heap_number_.code()));
160 ASSERT(ScratchRegisterBits::is_valid(scratch_.code())); 160 DCHECK(ScratchRegisterBits::is_valid(scratch_.code()));
161 ASSERT(SignRegisterBits::is_valid(sign_.code())); 161 DCHECK(SignRegisterBits::is_valid(sign_.code()));
162 } 162 }
163 163
164 static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate); 164 static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
165 165
166 private: 166 private:
167 Register the_int_; 167 Register the_int_;
168 Register the_heap_number_; 168 Register the_heap_number_;
169 Register scratch_; 169 Register scratch_;
170 Register sign_; 170 Register sign_;
171 171
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
212 INCREMENTAL, 212 INCREMENTAL,
213 INCREMENTAL_COMPACTION 213 INCREMENTAL_COMPACTION
214 }; 214 };
215 215
216 virtual bool SometimesSetsUpAFrame() { return false; } 216 virtual bool SometimesSetsUpAFrame() { return false; }
217 217
218 static void PatchBranchIntoNop(MacroAssembler* masm, int pos) { 218 static void PatchBranchIntoNop(MacroAssembler* masm, int pos) {
219 const unsigned offset = masm->instr_at(pos) & kImm16Mask; 219 const unsigned offset = masm->instr_at(pos) & kImm16Mask;
220 masm->instr_at_put(pos, BNE | (zero_reg.code() << kRsShift) | 220 masm->instr_at_put(pos, BNE | (zero_reg.code() << kRsShift) |
221 (zero_reg.code() << kRtShift) | (offset & kImm16Mask)); 221 (zero_reg.code() << kRtShift) | (offset & kImm16Mask));
222 ASSERT(Assembler::IsBne(masm->instr_at(pos))); 222 DCHECK(Assembler::IsBne(masm->instr_at(pos)));
223 } 223 }
224 224
225 static void PatchNopIntoBranch(MacroAssembler* masm, int pos) { 225 static void PatchNopIntoBranch(MacroAssembler* masm, int pos) {
226 const unsigned offset = masm->instr_at(pos) & kImm16Mask; 226 const unsigned offset = masm->instr_at(pos) & kImm16Mask;
227 masm->instr_at_put(pos, BEQ | (zero_reg.code() << kRsShift) | 227 masm->instr_at_put(pos, BEQ | (zero_reg.code() << kRsShift) |
228 (zero_reg.code() << kRtShift) | (offset & kImm16Mask)); 228 (zero_reg.code() << kRtShift) | (offset & kImm16Mask));
229 ASSERT(Assembler::IsBeq(masm->instr_at(pos))); 229 DCHECK(Assembler::IsBeq(masm->instr_at(pos)));
230 } 230 }
231 231
232 static Mode GetMode(Code* stub) { 232 static Mode GetMode(Code* stub) {
233 Instr first_instruction = Assembler::instr_at(stub->instruction_start()); 233 Instr first_instruction = Assembler::instr_at(stub->instruction_start());
234 Instr second_instruction = Assembler::instr_at(stub->instruction_start() + 234 Instr second_instruction = Assembler::instr_at(stub->instruction_start() +
235 2 * Assembler::kInstrSize); 235 2 * Assembler::kInstrSize);
236 236
237 if (Assembler::IsBeq(first_instruction)) { 237 if (Assembler::IsBeq(first_instruction)) {
238 return INCREMENTAL; 238 return INCREMENTAL;
239 } 239 }
240 240
241 ASSERT(Assembler::IsBne(first_instruction)); 241 DCHECK(Assembler::IsBne(first_instruction));
242 242
243 if (Assembler::IsBeq(second_instruction)) { 243 if (Assembler::IsBeq(second_instruction)) {
244 return INCREMENTAL_COMPACTION; 244 return INCREMENTAL_COMPACTION;
245 } 245 }
246 246
247 ASSERT(Assembler::IsBne(second_instruction)); 247 DCHECK(Assembler::IsBne(second_instruction));
248 248
249 return STORE_BUFFER_ONLY; 249 return STORE_BUFFER_ONLY;
250 } 250 }
251 251
252 static void Patch(Code* stub, Mode mode) { 252 static void Patch(Code* stub, Mode mode) {
253 MacroAssembler masm(NULL, 253 MacroAssembler masm(NULL,
254 stub->instruction_start(), 254 stub->instruction_start(),
255 stub->instruction_size()); 255 stub->instruction_size());
256 switch (mode) { 256 switch (mode) {
257 case STORE_BUFFER_ONLY: 257 case STORE_BUFFER_ONLY:
258 ASSERT(GetMode(stub) == INCREMENTAL || 258 DCHECK(GetMode(stub) == INCREMENTAL ||
259 GetMode(stub) == INCREMENTAL_COMPACTION); 259 GetMode(stub) == INCREMENTAL_COMPACTION);
260 PatchBranchIntoNop(&masm, 0); 260 PatchBranchIntoNop(&masm, 0);
261 PatchBranchIntoNop(&masm, 2 * Assembler::kInstrSize); 261 PatchBranchIntoNop(&masm, 2 * Assembler::kInstrSize);
262 break; 262 break;
263 case INCREMENTAL: 263 case INCREMENTAL:
264 ASSERT(GetMode(stub) == STORE_BUFFER_ONLY); 264 DCHECK(GetMode(stub) == STORE_BUFFER_ONLY);
265 PatchNopIntoBranch(&masm, 0); 265 PatchNopIntoBranch(&masm, 0);
266 break; 266 break;
267 case INCREMENTAL_COMPACTION: 267 case INCREMENTAL_COMPACTION:
268 ASSERT(GetMode(stub) == STORE_BUFFER_ONLY); 268 DCHECK(GetMode(stub) == STORE_BUFFER_ONLY);
269 PatchNopIntoBranch(&masm, 2 * Assembler::kInstrSize); 269 PatchNopIntoBranch(&masm, 2 * Assembler::kInstrSize);
270 break; 270 break;
271 } 271 }
272 ASSERT(GetMode(stub) == mode); 272 DCHECK(GetMode(stub) == mode);
273 CpuFeatures::FlushICache(stub->instruction_start(), 273 CpuFeatures::FlushICache(stub->instruction_start(),
274 4 * Assembler::kInstrSize); 274 4 * Assembler::kInstrSize);
275 } 275 }
276 276
277 private: 277 private:
278 // This is a helper class for freeing up 3 scratch registers. The input is 278 // This is a helper class for freeing up 3 scratch registers. The input is
279 // two registers that must be preserved and one scratch register provided by 279 // two registers that must be preserved and one scratch register provided by
280 // the caller. 280 // the caller.
281 class RegisterAllocation { 281 class RegisterAllocation {
282 public: 282 public:
283 RegisterAllocation(Register object, 283 RegisterAllocation(Register object,
284 Register address, 284 Register address,
285 Register scratch0) 285 Register scratch0)
286 : object_(object), 286 : object_(object),
287 address_(address), 287 address_(address),
288 scratch0_(scratch0) { 288 scratch0_(scratch0) {
289 ASSERT(!AreAliased(scratch0, object, address, no_reg)); 289 DCHECK(!AreAliased(scratch0, object, address, no_reg));
290 scratch1_ = GetRegisterThatIsNotOneOf(object_, address_, scratch0_); 290 scratch1_ = GetRegisterThatIsNotOneOf(object_, address_, scratch0_);
291 } 291 }
292 292
293 void Save(MacroAssembler* masm) { 293 void Save(MacroAssembler* masm) {
294 ASSERT(!AreAliased(object_, address_, scratch1_, scratch0_)); 294 DCHECK(!AreAliased(object_, address_, scratch1_, scratch0_));
295 // We don't have to save scratch0_ because it was given to us as 295 // We don't have to save scratch0_ because it was given to us as
296 // a scratch register. 296 // a scratch register.
297 masm->push(scratch1_); 297 masm->push(scratch1_);
298 } 298 }
299 299
300 void Restore(MacroAssembler* masm) { 300 void Restore(MacroAssembler* masm) {
301 masm->pop(scratch1_); 301 masm->pop(scratch1_);
302 } 302 }
303 303
304 // If we have to call into C then we need to save and restore all caller- 304 // If we have to call into C then we need to save and restore all caller-
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440 440
441 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; 441 class LookupModeBits: public BitField<LookupMode, 0, 1> {};
442 442
443 LookupMode mode_; 443 LookupMode mode_;
444 }; 444 };
445 445
446 446
447 } } // namespace v8::internal 447 } } // namespace v8::internal
448 448
449 #endif // V8_MIPS_CODE_STUBS_ARM_H_ 449 #endif // V8_MIPS_CODE_STUBS_ARM_H_
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