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Issue 660175: Make another small virtual frame function inlined.... (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 2009 the V8 project authors. All rights reserved. 1 // Copyright 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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28 #include "v8.h" 28 #include "v8.h"
29 29
30 #include "codegen-inl.h" 30 #include "codegen-inl.h"
31 #include "register-allocator-inl.h" 31 #include "register-allocator-inl.h"
32 #include "scopes.h" 32 #include "scopes.h"
33 #include "virtual-frame-inl.h" 33 #include "virtual-frame-inl.h"
34 34
35 namespace v8 { 35 namespace v8 {
36 namespace internal { 36 namespace internal {
37 37
38 // -------------------------------------------------------------------------
39 // VirtualFrame implementation.
40
41 #define __ ACCESS_MASM(masm()) 38 #define __ ACCESS_MASM(masm())
42 39
43
44 // On entry to a function, the virtual frame already contains the
45 // receiver and the parameters. All initial frame elements are in
46 // memory.
47 VirtualFrame::VirtualFrame()
48 : elements_(parameter_count() + local_count() + kPreallocatedElements),
49 stack_pointer_(parameter_count()) { // 0-based index of TOS.
50 for (int i = 0; i <= stack_pointer_; i++) {
51 elements_.Add(FrameElement::MemoryElement(NumberInfo::kUnknown));
52 }
53 for (int i = 0; i < RegisterAllocator::kNumRegisters; i++) {
54 register_locations_[i] = kIllegalIndex;
55 }
56 }
57
58
59 void VirtualFrame::SyncElementBelowStackPointer(int index) { 40 void VirtualFrame::SyncElementBelowStackPointer(int index) {
60 UNREACHABLE(); 41 UNREACHABLE();
61 } 42 }
62 43
63 44
64 void VirtualFrame::SyncElementByPushing(int index) { 45 void VirtualFrame::SyncElementByPushing(int index) {
65 UNREACHABLE(); 46 UNREACHABLE();
66 } 47 }
67 48
68 49
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323 void VirtualFrame::EmitPushMultiple(int count, int src_regs) { 304 void VirtualFrame::EmitPushMultiple(int count, int src_regs) {
324 ASSERT(stack_pointer_ == element_count() - 1); 305 ASSERT(stack_pointer_ == element_count() - 1);
325 Adjust(count); 306 Adjust(count);
326 __ stm(db_w, sp, src_regs); 307 __ stm(db_w, sp, src_regs);
327 } 308 }
328 309
329 310
330 #undef __ 311 #undef __
331 312
332 } } // namespace v8::internal 313 } } // namespace v8::internal
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