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Issue 799006: Math.abs rewrited to not use Runtime. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 9 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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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4840 else if (d > 0) return Smi::FromInt(GREATER); 4840 else if (d > 0) return Smi::FromInt(GREATER);
4841 4841
4842 x->TryFlatten(); 4842 x->TryFlatten();
4843 y->TryFlatten(); 4843 y->TryFlatten();
4844 4844
4845 return (x->IsFlat() && y->IsFlat()) ? FlatStringCompare(x, y) 4845 return (x->IsFlat() && y->IsFlat()) ? FlatStringCompare(x, y)
4846 : StringInputBufferCompare(x, y); 4846 : StringInputBufferCompare(x, y);
4847 } 4847 }
4848 4848
4849 4849
4850 static Object* Runtime_Math_abs(Arguments args) {
4851 NoHandleAllocation ha;
4852 ASSERT(args.length() == 1);
4853 Counters::math_abs.Increment();
4854
4855 CONVERT_DOUBLE_CHECKED(x, args[0]);
4856 return Heap::AllocateHeapNumber(fabs(x));
4857 }
4858
4859
4860 static Object* Runtime_Math_acos(Arguments args) { 4850 static Object* Runtime_Math_acos(Arguments args) {
4861 NoHandleAllocation ha; 4851 NoHandleAllocation ha;
4862 ASSERT(args.length() == 1); 4852 ASSERT(args.length() == 1);
4863 Counters::math_acos.Increment(); 4853 Counters::math_acos.Increment();
4864 4854
4865 CONVERT_DOUBLE_CHECKED(x, args[0]); 4855 CONVERT_DOUBLE_CHECKED(x, args[0]);
4866 return TranscendentalCache::Get(TranscendentalCache::ACOS, x); 4856 return TranscendentalCache::Get(TranscendentalCache::ACOS, x);
4867 } 4857 }
4868 4858
4869 4859
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8749 } else { 8739 } else {
8750 // Handle last resort GC and make sure to allow future allocations 8740 // Handle last resort GC and make sure to allow future allocations
8751 // to grow the heap without causing GCs (if possible). 8741 // to grow the heap without causing GCs (if possible).
8752 Counters::gc_last_resort_from_js.Increment(); 8742 Counters::gc_last_resort_from_js.Increment();
8753 Heap::CollectAllGarbage(false); 8743 Heap::CollectAllGarbage(false);
8754 } 8744 }
8755 } 8745 }
8756 8746
8757 8747
8758 } } // namespace v8::internal 8748 } } // namespace v8::internal
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