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1 // Copyright 2011 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 |
11 // with the distribution. | 11 // with the distribution. |
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132 SetFunctionPosition(function()); | 132 SetFunctionPosition(function()); |
133 Comment cmnt(masm_, "[ function compiled by full code generator"); | 133 Comment cmnt(masm_, "[ function compiled by full code generator"); |
134 | 134 |
135 #ifdef DEBUG | 135 #ifdef DEBUG |
136 if (strlen(FLAG_stop_at) > 0 && | 136 if (strlen(FLAG_stop_at) > 0 && |
137 info->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { | 137 info->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { |
138 __ stop("stop-at"); | 138 __ stop("stop-at"); |
139 } | 139 } |
140 #endif | 140 #endif |
141 | 141 |
| 142 // We can optionally optimize based on counters rather than statistical |
| 143 // sampling. |
| 144 if (info->ShouldSelfOptimize()) { |
| 145 if (FLAG_trace_opt) { |
| 146 PrintF("[adding self-optimization header to %s]\n", |
| 147 *info->function()->debug_name()->ToCString()); |
| 148 } |
| 149 MaybeObject* maybe_cell = isolate()->heap()->AllocateJSGlobalPropertyCell( |
| 150 Smi::FromInt(Compiler::kCallsUntilPrimitiveOpt)); |
| 151 JSGlobalPropertyCell* cell; |
| 152 if (maybe_cell->To(&cell)) { |
| 153 __ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 154 __ ldr(r3, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); |
| 155 __ sub(r3, r3, Operand(Smi::FromInt(1)), SetCC); |
| 156 __ str(r3, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); |
| 157 Handle<Code> compile_stub( |
| 158 isolate()->builtins()->builtin(Builtins::kLazyRecompile)); |
| 159 __ Jump(compile_stub, RelocInfo::CODE_TARGET, eq); |
| 160 } |
| 161 } |
| 162 |
142 // Strict mode functions and builtins need to replace the receiver | 163 // Strict mode functions and builtins need to replace the receiver |
143 // with undefined when called as functions (without an explicit | 164 // with undefined when called as functions (without an explicit |
144 // receiver object). r5 is zero for method calls and non-zero for | 165 // receiver object). r5 is zero for method calls and non-zero for |
145 // function calls. | 166 // function calls. |
146 if (!info->is_classic_mode() || info->is_native()) { | 167 if (!info->is_classic_mode() || info->is_native()) { |
147 Label ok; | 168 Label ok; |
148 __ cmp(r5, Operand(0)); | 169 __ cmp(r5, Operand(0)); |
149 __ b(eq, &ok); | 170 __ b(eq, &ok); |
150 int receiver_offset = info->scope()->num_parameters() * kPointerSize; | 171 int receiver_offset = info->scope()->num_parameters() * kPointerSize; |
151 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); | 172 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); |
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4403 *context_length = 0; | 4424 *context_length = 0; |
4404 return previous_; | 4425 return previous_; |
4405 } | 4426 } |
4406 | 4427 |
4407 | 4428 |
4408 #undef __ | 4429 #undef __ |
4409 | 4430 |
4410 } } // namespace v8::internal | 4431 } } // namespace v8::internal |
4411 | 4432 |
4412 #endif // V8_TARGET_ARCH_ARM | 4433 #endif // V8_TARGET_ARCH_ARM |
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