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Issue 240293002: Handlify number-related allocators. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 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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262 result = map_space_->AllocateRaw(size_in_bytes); 262 result = map_space_->AllocateRaw(size_in_bytes);
263 } 263 }
264 if (result->IsFailure()) old_gen_exhausted_ = true; 264 if (result->IsFailure()) old_gen_exhausted_ = true;
265 if (profiler->is_tracking_allocations() && result->To(&object)) { 265 if (profiler->is_tracking_allocations() && result->To(&object)) {
266 profiler->AllocationEvent(object->address(), size_in_bytes); 266 profiler->AllocationEvent(object->address(), size_in_bytes);
267 } 267 }
268 return result; 268 return result;
269 } 269 }
270 270
271 271
272 MaybeObject* Heap::NumberFromInt32(
273 int32_t value, PretenureFlag pretenure) {
274 if (Smi::IsValid(value)) return Smi::FromInt(value);
275 // Bypass NumberFromDouble to avoid various redundant checks.
276 return AllocateHeapNumber(FastI2D(value), pretenure);
277 }
278
279
280 MaybeObject* Heap::NumberFromUint32( 272 MaybeObject* Heap::NumberFromUint32(
281 uint32_t value, PretenureFlag pretenure) { 273 uint32_t value, PretenureFlag pretenure) {
282 if (static_cast<int32_t>(value) >= 0 && 274 if (static_cast<int32_t>(value) >= 0 &&
283 Smi::IsValid(static_cast<int32_t>(value))) { 275 Smi::IsValid(static_cast<int32_t>(value))) {
284 return Smi::FromInt(static_cast<int32_t>(value)); 276 return Smi::FromInt(static_cast<int32_t>(value));
285 } 277 }
286 // Bypass NumberFromDouble to avoid various redundant checks. 278 // Bypass NumberFromDouble to avoid various redundant checks.
287 return AllocateHeapNumber(FastUI2D(value), pretenure); 279 return AllocateHeapNumber(FastUI2D(value), pretenure);
288 } 280 }
289 281
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816 808
817 809
818 double GCTracer::SizeOfHeapObjects() { 810 double GCTracer::SizeOfHeapObjects() {
819 return (static_cast<double>(heap_->SizeOfObjects())) / MB; 811 return (static_cast<double>(heap_->SizeOfObjects())) / MB;
820 } 812 }
821 813
822 814
823 } } // namespace v8::internal 815 } } // namespace v8::internal
824 816
825 #endif // V8_HEAP_INL_H_ 817 #endif // V8_HEAP_INL_H_
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