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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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106 __ CallRuntime(Runtime::kTraceExit, 1); | 106 __ CallRuntime(Runtime::kTraceExit, 1); |
107 } | 107 } |
108 __ RecordJSReturn(); | 108 __ RecordJSReturn(); |
109 __ mov(esp, ebp); | 109 __ mov(esp, ebp); |
110 __ pop(ebp); | 110 __ pop(ebp); |
111 int count = CfgGlobals::current()->fun()->scope()->num_parameters(); | 111 int count = CfgGlobals::current()->fun()->scope()->num_parameters(); |
112 __ ret((count + 1) * kPointerSize); | 112 __ ret((count + 1) * kPointerSize); |
113 } | 113 } |
114 | 114 |
115 | 115 |
116 void PositionInstr::Compile(MacroAssembler* masm) { | |
117 if (FLAG_debug_info && pos_ != RelocInfo::kNoPosition) { | |
118 __ RecordStatementPosition(pos_); | |
119 __ RecordPosition(pos_); | |
120 } | |
121 } | |
122 | |
123 | |
124 void MoveInstr::Compile(MacroAssembler* masm) { | |
125 location()->Move(masm, value()); | |
126 } | |
127 | |
128 | |
129 void BinaryOpInstr::Compile(MacroAssembler* masm) { | 116 void BinaryOpInstr::Compile(MacroAssembler* masm) { |
130 // The right-hand value should not be on the stack---if it is a | 117 // The right-hand value should not be on the stack---if it is a |
131 // compiler-generated temporary it is in the accumulator. | 118 // compiler-generated temporary it is in the accumulator. |
132 ASSERT(!value1()->is_on_stack()); | 119 ASSERT(!value1()->is_on_stack()); |
133 | 120 |
134 Comment cmnt(masm, "[ BinaryOpInstr"); | 121 Comment cmnt(masm, "[ BinaryOpInstr"); |
135 // We can overwrite one of the operands if it is a temporary. | 122 // We can overwrite one of the operands if it is a temporary. |
136 OverwriteMode mode = NO_OVERWRITE; | 123 OverwriteMode mode = NO_OVERWRITE; |
137 if (value0()->is_temporary()) { | 124 if (value0()->is_temporary()) { |
138 mode = OVERWRITE_LEFT; | 125 mode = OVERWRITE_LEFT; |
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205 __ push(ToOperand(this)); | 192 __ push(ToOperand(this)); |
206 } | 193 } |
207 | 194 |
208 | 195 |
209 void SlotLocation::Move(MacroAssembler* masm, Value* value) { | 196 void SlotLocation::Move(MacroAssembler* masm, Value* value) { |
210 // We dispatch to the value because in some cases (temp or constant) | 197 // We dispatch to the value because in some cases (temp or constant) |
211 // we can use a single instruction. | 198 // we can use a single instruction. |
212 value->MoveToSlot(masm, this); | 199 value->MoveToSlot(masm, this); |
213 } | 200 } |
214 | 201 |
| 202 |
215 void SlotLocation::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) { | 203 void SlotLocation::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) { |
216 // The accumulator is not live across a MoveInstr. | 204 // The accumulator is not live across a MoveInstr. |
217 __ mov(eax, ToOperand(this)); | 205 __ mov(eax, ToOperand(this)); |
218 __ mov(ToOperand(loc), eax); | 206 __ mov(ToOperand(loc), eax); |
219 } | 207 } |
220 | 208 |
221 | 209 |
222 void TempLocation::Get(MacroAssembler* masm, Register reg) { | 210 void TempLocation::Get(MacroAssembler* masm, Register reg) { |
223 switch (where_) { | 211 switch (where_) { |
224 case ACCUMULATOR: | 212 case ACCUMULATOR: |
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283 break; | 271 break; |
284 case NOT_ALLOCATED: | 272 case NOT_ALLOCATED: |
285 UNREACHABLE(); | 273 UNREACHABLE(); |
286 } | 274 } |
287 } | 275 } |
288 | 276 |
289 | 277 |
290 #undef __ | 278 #undef __ |
291 | 279 |
292 } } // namespace v8::internal | 280 } } // namespace v8::internal |
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