Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(413)

Side by Side Diff: src/arm/builtins-arm.cc

Issue 12314155: Allow direct allocation in old pointer space. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « no previous file | src/arm/code-stubs-arm.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 106 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 const int initial_capacity = JSArray::kPreallocatedArrayElements; 117 const int initial_capacity = JSArray::kPreallocatedArrayElements;
118 STATIC_ASSERT(initial_capacity >= 0); 118 STATIC_ASSERT(initial_capacity >= 0);
119 __ LoadInitialArrayMap(array_function, scratch2, scratch1, false); 119 __ LoadInitialArrayMap(array_function, scratch2, scratch1, false);
120 120
121 // Allocate the JSArray object together with space for a fixed array with the 121 // Allocate the JSArray object together with space for a fixed array with the
122 // requested elements. 122 // requested elements.
123 int size = JSArray::kSize; 123 int size = JSArray::kSize;
124 if (initial_capacity > 0) { 124 if (initial_capacity > 0) {
125 size += FixedArray::SizeFor(initial_capacity); 125 size += FixedArray::SizeFor(initial_capacity);
126 } 126 }
127 __ AllocateInNewSpace(size, 127 __ Allocate(size, result, scratch2, scratch3, gc_required, TAG_OBJECT);
128 result,
129 scratch2,
130 scratch3,
131 gc_required,
132 TAG_OBJECT);
133 128
134 // Allocated the JSArray. Now initialize the fields except for the elements 129 // Allocated the JSArray. Now initialize the fields except for the elements
135 // array. 130 // array.
136 // result: JSObject 131 // result: JSObject
137 // scratch1: initial map 132 // scratch1: initial map
138 // scratch2: start of next object 133 // scratch2: start of next object
139 __ str(scratch1, FieldMemOperand(result, JSObject::kMapOffset)); 134 __ str(scratch1, FieldMemOperand(result, JSObject::kMapOffset));
140 __ LoadRoot(scratch1, Heap::kEmptyFixedArrayRootIndex); 135 __ LoadRoot(scratch1, Heap::kEmptyFixedArrayRootIndex);
141 __ str(scratch1, FieldMemOperand(result, JSArray::kPropertiesOffset)); 136 __ str(scratch1, FieldMemOperand(result, JSArray::kPropertiesOffset));
142 // Field JSArray::kElementsOffset is initialized later. 137 // Field JSArray::kElementsOffset is initialized later.
(...skipping 503 matching lines...) Expand 10 before | Expand all | Expand 10 after
646 __ IncrementCounter(counters->string_ctor_cached_number(), 1, r3, r4); 641 __ IncrementCounter(counters->string_ctor_cached_number(), 1, r3, r4);
647 __ bind(&argument_is_string); 642 __ bind(&argument_is_string);
648 643
649 // ----------- S t a t e ------------- 644 // ----------- S t a t e -------------
650 // -- r2 : argument converted to string 645 // -- r2 : argument converted to string
651 // -- r1 : constructor function 646 // -- r1 : constructor function
652 // -- lr : return address 647 // -- lr : return address
653 // ----------------------------------- 648 // -----------------------------------
654 649
655 Label gc_required; 650 Label gc_required;
656 __ AllocateInNewSpace(JSValue::kSize, 651 __ Allocate(JSValue::kSize,
657 r0, // Result. 652 r0, // Result.
658 r3, // Scratch. 653 r3, // Scratch.
659 r4, // Scratch. 654 r4, // Scratch.
660 &gc_required, 655 &gc_required,
661 TAG_OBJECT); 656 TAG_OBJECT);
662 657
663 // Initialising the String Object. 658 // Initialising the String Object.
664 Register map = r3; 659 Register map = r3;
665 __ LoadGlobalFunctionInitialMap(function, map, r4); 660 __ LoadGlobalFunctionInitialMap(function, map, r4);
666 if (FLAG_debug_code) { 661 if (FLAG_debug_code) {
667 __ ldrb(r4, FieldMemOperand(map, Map::kInstanceSizeOffset)); 662 __ ldrb(r4, FieldMemOperand(map, Map::kInstanceSizeOffset));
668 __ cmp(r4, Operand(JSValue::kSize >> kPointerSizeLog2)); 663 __ cmp(r4, Operand(JSValue::kSize >> kPointerSizeLog2));
669 __ Assert(eq, "Unexpected string wrapper instance size"); 664 __ Assert(eq, "Unexpected string wrapper instance size");
670 __ ldrb(r4, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset)); 665 __ ldrb(r4, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset));
671 __ cmp(r4, Operand::Zero()); 666 __ cmp(r4, Operand::Zero());
(...skipping 1214 matching lines...) Expand 10 before | Expand all | Expand 10 after
1886 __ bind(&dont_adapt_arguments); 1881 __ bind(&dont_adapt_arguments);
1887 __ Jump(r3); 1882 __ Jump(r3);
1888 } 1883 }
1889 1884
1890 1885
1891 #undef __ 1886 #undef __
1892 1887
1893 } } // namespace v8::internal 1888 } } // namespace v8::internal
1894 1889
1895 #endif // V8_TARGET_ARCH_ARM 1890 #endif // V8_TARGET_ARCH_ARM
OLDNEW
« no previous file with comments | « no previous file | src/arm/code-stubs-arm.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698