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Issue 277913002: Presubmit checks recover. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebasing Created 6 years, 7 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 // 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 #include <stdarg.h> 5 #include <stdarg.h>
6 #include <stdlib.h> 6 #include <stdlib.h>
7 #include <cmath> 7 #include <cmath>
8 8
9 #include "v8.h" 9 #include "v8.h"
10 10
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687 intptr_t address = reinterpret_cast<intptr_t>(instr); 687 intptr_t address = reinterpret_cast<intptr_t>(instr);
688 void* page = reinterpret_cast<void*>(address & (~CachePage::kPageMask)); 688 void* page = reinterpret_cast<void*>(address & (~CachePage::kPageMask));
689 void* line = reinterpret_cast<void*>(address & (~CachePage::kLineMask)); 689 void* line = reinterpret_cast<void*>(address & (~CachePage::kLineMask));
690 int offset = (address & CachePage::kPageMask); 690 int offset = (address & CachePage::kPageMask);
691 CachePage* cache_page = GetCachePage(i_cache, page); 691 CachePage* cache_page = GetCachePage(i_cache, page);
692 char* cache_valid_byte = cache_page->ValidityByte(offset); 692 char* cache_valid_byte = cache_page->ValidityByte(offset);
693 bool cache_hit = (*cache_valid_byte == CachePage::LINE_VALID); 693 bool cache_hit = (*cache_valid_byte == CachePage::LINE_VALID);
694 char* cached_line = cache_page->CachedData(offset & ~CachePage::kLineMask); 694 char* cached_line = cache_page->CachedData(offset & ~CachePage::kLineMask);
695 if (cache_hit) { 695 if (cache_hit) {
696 // Check that the data in memory matches the contents of the I-cache. 696 // Check that the data in memory matches the contents of the I-cache.
697 CHECK(memcmp(reinterpret_cast<void*>(instr), 697 CHECK_EQ(0, memcmp(reinterpret_cast<void*>(instr),
698 cache_page->CachedData(offset), 698 cache_page->CachedData(offset),
699 Instruction::kInstrSize) == 0); 699 Instruction::kInstrSize));
700 } else { 700 } else {
701 // Cache miss. Load memory into the cache. 701 // Cache miss. Load memory into the cache.
702 OS::MemCopy(cached_line, line, CachePage::kLineLength); 702 OS::MemCopy(cached_line, line, CachePage::kLineLength);
703 *cache_valid_byte = CachePage::LINE_VALID; 703 *cache_valid_byte = CachePage::LINE_VALID;
704 } 704 }
705 } 705 }
706 706
707 707
708 void Simulator::Initialize(Isolate* isolate) { 708 void Simulator::Initialize(Isolate* isolate) {
709 if (isolate->simulator_initialized()) return; 709 if (isolate->simulator_initialized()) return;
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3829 uintptr_t address = *stack_slot; 3829 uintptr_t address = *stack_slot;
3830 set_register(sp, current_sp + sizeof(uintptr_t)); 3830 set_register(sp, current_sp + sizeof(uintptr_t));
3831 return address; 3831 return address;
3832 } 3832 }
3833 3833
3834 } } // namespace v8::internal 3834 } } // namespace v8::internal
3835 3835
3836 #endif // USE_SIMULATOR 3836 #endif // USE_SIMULATOR
3837 3837
3838 #endif // V8_TARGET_ARCH_ARM 3838 #endif // V8_TARGET_ARCH_ARM
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