OLD | NEW |
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 |
(...skipping 3306 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3317 Register global_object = rcx; | 3317 Register global_object = rcx; |
3318 #else | 3318 #else |
3319 ASSERT(ToRegister(instr->InputAt(0)).is(rdi)); | 3319 ASSERT(ToRegister(instr->InputAt(0)).is(rdi)); |
3320 Register global_object = rdi; | 3320 Register global_object = rdi; |
3321 #endif | 3321 #endif |
3322 | 3322 |
3323 static const int kSeedSize = sizeof(uint32_t); | 3323 static const int kSeedSize = sizeof(uint32_t); |
3324 STATIC_ASSERT(kPointerSize == 2 * kSeedSize); | 3324 STATIC_ASSERT(kPointerSize == 2 * kSeedSize); |
3325 | 3325 |
3326 __ movq(global_object, | 3326 __ movq(global_object, |
3327 FieldOperand(global_object, GlobalObject::kGlobalContextOffset)); | 3327 FieldOperand(global_object, GlobalObject::kNativeContextOffset)); |
3328 static const int kRandomSeedOffset = | 3328 static const int kRandomSeedOffset = |
3329 FixedArray::kHeaderSize + Context::RANDOM_SEED_INDEX * kPointerSize; | 3329 FixedArray::kHeaderSize + Context::RANDOM_SEED_INDEX * kPointerSize; |
3330 __ movq(rbx, FieldOperand(global_object, kRandomSeedOffset)); | 3330 __ movq(rbx, FieldOperand(global_object, kRandomSeedOffset)); |
3331 // rbx: FixedArray of the global context's random seeds | 3331 // rbx: FixedArray of the native context's random seeds |
3332 | 3332 |
3333 // Load state[0]. | 3333 // Load state[0]. |
3334 __ movl(rax, FieldOperand(rbx, ByteArray::kHeaderSize)); | 3334 __ movl(rax, FieldOperand(rbx, ByteArray::kHeaderSize)); |
3335 // If state[0] == 0, call runtime to initialize seeds. | 3335 // If state[0] == 0, call runtime to initialize seeds. |
3336 __ testl(rax, rax); | 3336 __ testl(rax, rax); |
3337 __ j(zero, deferred->entry()); | 3337 __ j(zero, deferred->entry()); |
3338 // Load state[1]. | 3338 // Load state[1]. |
3339 __ movl(rcx, FieldOperand(rbx, ByteArray::kHeaderSize + kSeedSize)); | 3339 __ movl(rcx, FieldOperand(rbx, ByteArray::kHeaderSize + kSeedSize)); |
3340 | 3340 |
3341 // state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16) | 3341 // state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16) |
(...skipping 1820 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5162 FixedArray::kHeaderSize - kPointerSize)); | 5162 FixedArray::kHeaderSize - kPointerSize)); |
5163 __ bind(&done); | 5163 __ bind(&done); |
5164 } | 5164 } |
5165 | 5165 |
5166 | 5166 |
5167 #undef __ | 5167 #undef __ |
5168 | 5168 |
5169 } } // namespace v8::internal | 5169 } } // namespace v8::internal |
5170 | 5170 |
5171 #endif // V8_TARGET_ARCH_X64 | 5171 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |