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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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104 | 104 |
105 void FastCodeGenerator::Generate(FunctionLiteral* fun, CompilationInfo* info) { | 105 void FastCodeGenerator::Generate(FunctionLiteral* fun, CompilationInfo* info) { |
106 ASSERT(function_ == NULL); | 106 ASSERT(function_ == NULL); |
107 ASSERT(info_ == NULL); | 107 ASSERT(info_ == NULL); |
108 function_ = fun; | 108 function_ = fun; |
109 info_ = info; | 109 info_ = info; |
110 | 110 |
111 // Save the caller's frame pointer and set up our own. | 111 // Save the caller's frame pointer and set up our own. |
112 Comment prologue_cmnt(masm(), ";; Prologue"); | 112 Comment prologue_cmnt(masm(), ";; Prologue"); |
113 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); | 113 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); |
| 114 __ add(fp, sp, Operand(2 * kPointerSize)); |
114 // Note that we keep a live register reference to cp (context) at | 115 // Note that we keep a live register reference to cp (context) at |
115 // this point. | 116 // this point. |
116 | 117 |
117 // Receiver (this) is allocated to r1 if there are this properties. | 118 // Receiver (this) is allocated to r1 if there are this properties. |
118 if (has_this_properties()) EmitReceiverMapCheck(); | 119 if (has_this_properties()) EmitReceiverMapCheck(); |
119 | 120 |
120 VisitStatements(fun->body()); | 121 VisitStatements(fun->body()); |
121 | 122 |
122 Comment return_cmnt(masm(), ";; Return(<undefined>)"); | 123 Comment return_cmnt(masm(), ";; Return(<undefined>)"); |
123 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); | 124 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); |
124 | 125 |
125 Comment epilogue_cmnt(masm(), ";; Epilogue"); | 126 Comment epilogue_cmnt(masm(), ";; Epilogue"); |
126 __ mov(sp, fp); | 127 __ mov(sp, fp); |
127 __ ldm(ia_w, sp, fp.bit() | lr.bit()); | 128 __ ldm(ia_w, sp, fp.bit() | lr.bit()); |
128 int32_t sp_delta = (fun->scope()->num_parameters() + 1) * kPointerSize; | 129 int32_t sp_delta = (fun->scope()->num_parameters() + 1) * kPointerSize; |
129 __ add(sp, sp, Operand(sp_delta)); | 130 __ add(sp, sp, Operand(sp_delta)); |
130 __ Jump(lr); | 131 __ Jump(lr); |
131 | 132 |
132 __ bind(&bailout_); | 133 __ bind(&bailout_); |
133 } | 134 } |
134 | 135 |
135 | 136 |
136 #undef __ | 137 #undef __ |
137 | 138 |
138 | 139 |
139 } } // namespace v8::internal | 140 } } // namespace v8::internal |
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