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Issue 175045: First step in allocating objects in generated code on ARM (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 3 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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4943 // Allocates a heap number or jumps to the label if the young space is full and 4943 // Allocates a heap number or jumps to the label if the young space is full and
4944 // a scavenge is needed. 4944 // a scavenge is needed.
4945 static void AllocateHeapNumber( 4945 static void AllocateHeapNumber(
4946 MacroAssembler* masm, 4946 MacroAssembler* masm,
4947 Label* need_gc, // Jump here if young space is full. 4947 Label* need_gc, // Jump here if young space is full.
4948 Register result, // The tagged address of the new heap number. 4948 Register result, // The tagged address of the new heap number.
4949 Register scratch1, // A scratch register. 4949 Register scratch1, // A scratch register.
4950 Register scratch2) { // Another scratch register. 4950 Register scratch2) { // Another scratch register.
4951 // Allocate an object in the heap for the heap number and tag it as a heap 4951 // Allocate an object in the heap for the heap number and tag it as a heap
4952 // object. 4952 // object.
4953 __ AllocateObjectInNewSpace(HeapNumber::kSize, 4953 __ AllocateObjectInNewSpace(HeapNumber::kSize / kPointerSize,
4954 result, 4954 result,
4955 scratch1, 4955 scratch1,
4956 scratch2, 4956 scratch2,
4957 need_gc, 4957 need_gc,
4958 true); 4958 true);
4959 4959
4960 // Get heap number map and store it in the allocated object. 4960 // Get heap number map and store it in the allocated object.
4961 __ LoadRoot(scratch1, Heap::kHeapNumberMapRootIndex); 4961 __ LoadRoot(scratch1, Heap::kHeapNumberMapRootIndex);
4962 __ str(scratch1, FieldMemOperand(result, HeapObject::kMapOffset)); 4962 __ str(scratch1, FieldMemOperand(result, HeapObject::kMapOffset));
4963 } 4963 }
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6251 int CompareStub::MinorKey() { 6251 int CompareStub::MinorKey() {
6252 // Encode the two parameters in a unique 16 bit value. 6252 // Encode the two parameters in a unique 16 bit value.
6253 ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15)); 6253 ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15));
6254 return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0); 6254 return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0);
6255 } 6255 }
6256 6256
6257 6257
6258 #undef __ 6258 #undef __
6259 6259
6260 } } // namespace v8::internal 6260 } } // namespace v8::internal
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