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Issue 1232583002: Update V8 DEPS. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Newer clang Created 5 years, 5 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 "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
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3019 } 3019 }
3020 3020
3021 3021
3022 // ------------------------------------------------------------------------- 3022 // -------------------------------------------------------------------------
3023 // StringCharFromCodeGenerator 3023 // StringCharFromCodeGenerator
3024 3024
3025 void StringCharFromCodeGenerator::GenerateFast(MacroAssembler* masm) { 3025 void StringCharFromCodeGenerator::GenerateFast(MacroAssembler* masm) {
3026 // Fast case of Heap::LookupSingleCharacterStringFromCode. 3026 // Fast case of Heap::LookupSingleCharacterStringFromCode.
3027 STATIC_ASSERT(kSmiTag == 0); 3027 STATIC_ASSERT(kSmiTag == 0);
3028 STATIC_ASSERT(kSmiShiftSize == 0); 3028 STATIC_ASSERT(kSmiShiftSize == 0);
3029 DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCode + 1)); 3029 DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCodeU + 1));
3030 __ test(code_, 3030 __ test(code_, Immediate(kSmiTagMask |
3031 Immediate(kSmiTagMask | 3031 ((~String::kMaxOneByteCharCodeU) << kSmiTagSize)));
3032 ((~String::kMaxOneByteCharCode) << kSmiTagSize)));
3033 __ j(not_zero, &slow_case_); 3032 __ j(not_zero, &slow_case_);
3034 3033
3035 Factory* factory = masm->isolate()->factory(); 3034 Factory* factory = masm->isolate()->factory();
3036 __ Move(result_, Immediate(factory->single_character_string_cache())); 3035 __ Move(result_, Immediate(factory->single_character_string_cache()));
3037 STATIC_ASSERT(kSmiTag == 0); 3036 STATIC_ASSERT(kSmiTag == 0);
3038 STATIC_ASSERT(kSmiTagSize == 1); 3037 STATIC_ASSERT(kSmiTagSize == 1);
3039 STATIC_ASSERT(kSmiShiftSize == 0); 3038 STATIC_ASSERT(kSmiShiftSize == 0);
3040 // At this point code register contains smi tagged one byte char code. 3039 // At this point code register contains smi tagged one byte char code.
3041 __ mov(result_, FieldOperand(result_, 3040 __ mov(result_, FieldOperand(result_,
3042 code_, times_half_pointer_size, 3041 code_, times_half_pointer_size,
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5475 Operand(ebp, 7 * kPointerSize), NULL); 5474 Operand(ebp, 7 * kPointerSize), NULL);
5476 } 5475 }
5477 5476
5478 5477
5479 #undef __ 5478 #undef __
5480 5479
5481 } // namespace internal 5480 } // namespace internal
5482 } // namespace v8 5481 } // namespace v8
5483 5482
5484 #endif // V8_TARGET_ARCH_IA32 5483 #endif // V8_TARGET_ARCH_IA32
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