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Issue 9903015: Fix offset computation for EmitProfilingCounterReset in x64. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address comments Created 8 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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308 int reset_value = FLAG_interrupt_budget; 308 int reset_value = FLAG_interrupt_budget;
309 if (info_->ShouldSelfOptimize() && !FLAG_retry_self_opt) { 309 if (info_->ShouldSelfOptimize() && !FLAG_retry_self_opt) {
310 // Self-optimization is a one-off thing; if it fails, don't try again. 310 // Self-optimization is a one-off thing; if it fails, don't try again.
311 reset_value = Smi::kMaxValue; 311 reset_value = Smi::kMaxValue;
312 } 312 }
313 if (isolate()->IsDebuggerActive()) { 313 if (isolate()->IsDebuggerActive()) {
314 // Detect debug break requests as soon as possible. 314 // Detect debug break requests as soon as possible.
315 reset_value = 10; 315 reset_value = 10;
316 } 316 }
317 __ movq(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT); 317 __ movq(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT);
318 __ Move(FieldOperand(rbx, JSGlobalPropertyCell::kValueOffset), 318 __ movq(kScratchRegister,
319 Smi::FromInt(reset_value)); 319 reinterpret_cast<uint64_t>(Smi::FromInt(reset_value)),
320 RelocInfo::NONE);
321 __ movq(FieldOperand(rbx, JSGlobalPropertyCell::kValueOffset),
322 kScratchRegister);
320 } 323 }
321 324
322 325
323 static const int kMaxBackEdgeWeight = 127; 326 static const int kMaxBackEdgeWeight = 127;
324 static const int kBackEdgeDistanceDivisor = 162; 327 static const int kBackEdgeDistanceDivisor = 162;
325 328
326 329
327 void FullCodeGenerator::EmitStackCheck(IterationStatement* stmt, 330 void FullCodeGenerator::EmitStackCheck(IterationStatement* stmt,
328 Label* back_edge_target) { 331 Label* back_edge_target) {
329 Comment cmnt(masm_, "[ Stack check"); 332 Comment cmnt(masm_, "[ Stack check");
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4484 *context_length = 0; 4487 *context_length = 0;
4485 return previous_; 4488 return previous_;
4486 } 4489 }
4487 4490
4488 4491
4489 #undef __ 4492 #undef __
4490 4493
4491 } } // namespace v8::internal 4494 } } // namespace v8::internal
4492 4495
4493 #endif // V8_TARGET_ARCH_X64 4496 #endif // V8_TARGET_ARCH_X64
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