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Side by Side Diff: src/arm/lithium-codegen-arm.cc

Issue 5862002: Version 3.0.2. (Closed)
Patch Set: Created 10 years ago
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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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129 129
130 // Reserve space for the stack slots needed by the code. 130 // Reserve space for the stack slots needed by the code.
131 int slots = StackSlotCount(); 131 int slots = StackSlotCount();
132 if (slots > 0) { 132 if (slots > 0) {
133 if (FLAG_debug_code) { 133 if (FLAG_debug_code) {
134 __ mov(r0, Operand(slots)); 134 __ mov(r0, Operand(slots));
135 __ mov(r2, Operand(kSlotsZapValue)); 135 __ mov(r2, Operand(kSlotsZapValue));
136 Label loop; 136 Label loop;
137 __ bind(&loop); 137 __ bind(&loop);
138 __ push(r2); 138 __ push(r2);
139 __ sub(r0, r0, Operand(1), SetCC); 139 __ sub(r0, r0, Operand(1));
140 __ b(ne, &loop); 140 __ b(ne, &loop);
141 } else { 141 } else {
142 __ sub(sp, sp, Operand(slots * kPointerSize)); 142 __ sub(sp, sp, Operand(slots * kPointerSize));
143 } 143 }
144 } 144 }
145 145
146 // Trace the call. 146 // Trace the call.
147 if (FLAG_trace) { 147 if (FLAG_trace) {
148 __ CallRuntime(Runtime::kTraceEnter, 0); 148 __ CallRuntime(Runtime::kTraceEnter, 0);
149 } 149 }
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1726 public: 1726 public:
1727 DeferredNumberTagD(LCodeGen* codegen, LNumberTagD* instr) 1727 DeferredNumberTagD(LCodeGen* codegen, LNumberTagD* instr)
1728 : LDeferredCode(codegen), instr_(instr) { } 1728 : LDeferredCode(codegen), instr_(instr) { }
1729 virtual void Generate() { codegen()->DoDeferredNumberTagD(instr_); } 1729 virtual void Generate() { codegen()->DoDeferredNumberTagD(instr_); }
1730 private: 1730 private:
1731 LNumberTagD* instr_; 1731 LNumberTagD* instr_;
1732 }; 1732 };
1733 1733
1734 DoubleRegister input_reg = ToDoubleRegister(instr->input()); 1734 DoubleRegister input_reg = ToDoubleRegister(instr->input());
1735 Register reg = ToRegister(instr->result()); 1735 Register reg = ToRegister(instr->result());
1736 Register temp1 = ToRegister(instr->temp1()); 1736 Register tmp = ToRegister(instr->temp());
1737 Register temp2 = ToRegister(instr->temp2());
1738 Register scratch = r9; 1737 Register scratch = r9;
1739 1738
1740 DeferredNumberTagD* deferred = new DeferredNumberTagD(this, instr); 1739 DeferredNumberTagD* deferred = new DeferredNumberTagD(this, instr);
1741 if (FLAG_inline_new) { 1740 if (FLAG_inline_new) {
1742 __ LoadRoot(scratch, Heap::kHeapNumberMapRootIndex); 1741 __ LoadRoot(scratch, Heap::kHeapNumberMapRootIndex);
1743 __ AllocateHeapNumber(reg, temp1, temp2, scratch, deferred->entry()); 1742 __ AllocateHeapNumber(reg, tmp, ip, scratch, deferred->entry());
1744 } else { 1743 } else {
1745 __ jmp(deferred->entry()); 1744 __ jmp(deferred->entry());
1746 } 1745 }
1747 __ bind(deferred->exit()); 1746 __ bind(deferred->exit());
1748 __ sub(ip, reg, Operand(kHeapObjectTag)); 1747 __ sub(ip, reg, Operand(kHeapObjectTag));
1749 __ vstr(input_reg, ip, HeapNumber::kValueOffset); 1748 __ vstr(input_reg, ip, HeapNumber::kValueOffset);
1750 } 1749 }
1751 1750
1752 1751
1753 void LCodeGen::DoDeferredNumberTagD(LNumberTagD* instr) { 1752 void LCodeGen::DoDeferredNumberTagD(LNumberTagD* instr) {
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2138 2137
2139 2138
2140 void LCodeGen::DoOsrEntry(LOsrEntry* instr) { 2139 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
2141 Abort("DoOsrEntry unimplemented."); 2140 Abort("DoOsrEntry unimplemented.");
2142 } 2141 }
2143 2142
2144 2143
2145 #undef __ 2144 #undef __
2146 2145
2147 } } // namespace v8::internal 2146 } } // namespace v8::internal
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