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Issue 133443009: A64: Synchronize with r17441. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2012 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
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141 info->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { 141 info->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) {
142 __ stop("stop-at"); 142 __ stop("stop-at");
143 } 143 }
144 #endif 144 #endif
145 145
146 // Strict mode functions and builtins need to replace the receiver 146 // Strict mode functions and builtins need to replace the receiver
147 // with undefined when called as functions (without an explicit 147 // with undefined when called as functions (without an explicit
148 // receiver object). r5 is zero for method calls and non-zero for 148 // receiver object). r5 is zero for method calls and non-zero for
149 // function calls. 149 // function calls.
150 if (!info->is_classic_mode() || info->is_native()) { 150 if (!info->is_classic_mode() || info->is_native()) {
151 Label ok;
152 __ cmp(r5, Operand::Zero()); 151 __ cmp(r5, Operand::Zero());
153 __ b(eq, &ok);
154 int receiver_offset = info->scope()->num_parameters() * kPointerSize; 152 int receiver_offset = info->scope()->num_parameters() * kPointerSize;
155 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); 153 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
156 __ str(r2, MemOperand(sp, receiver_offset)); 154 __ str(r2, MemOperand(sp, receiver_offset), ne);
157 __ bind(&ok);
158 } 155 }
159 156
160 // Open a frame scope to indicate that there is a frame on the stack. The 157 // Open a frame scope to indicate that there is a frame on the stack. The
161 // MANUAL indicates that the scope shouldn't actually generate code to set up 158 // MANUAL indicates that the scope shouldn't actually generate code to set up
162 // the frame (that is done below). 159 // the frame (that is done below).
163 FrameScope frame_scope(masm_, StackFrame::MANUAL); 160 FrameScope frame_scope(masm_, StackFrame::MANUAL);
164 161
165 info->set_prologue_offset(masm_->pc_offset()); 162 info->set_prologue_offset(masm_->pc_offset());
166 { 163 __ Prologue(BUILD_FUNCTION_FRAME);
167 PredictableCodeSizeScope predictible_code_size_scope(
168 masm_, kNoCodeAgeSequenceLength * Assembler::kInstrSize);
169 // The following three instructions must remain together and unmodified
170 // for code aging to work properly.
171 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
172 __ nop(ip.code());
173 // Adjust FP to point to saved FP.
174 __ add(fp, sp, Operand(2 * kPointerSize));
175 }
176 info->AddNoFrameRange(0, masm_->pc_offset()); 164 info->AddNoFrameRange(0, masm_->pc_offset());
177 165
178 { Comment cmnt(masm_, "[ Allocate locals"); 166 { Comment cmnt(masm_, "[ Allocate locals");
179 int locals_count = info->scope()->num_stack_slots(); 167 int locals_count = info->scope()->num_stack_slots();
180 // Generators allocate locals, if any, in context slots. 168 // Generators allocate locals, if any, in context slots.
181 ASSERT(!info->function()->is_generator() || locals_count == 0); 169 ASSERT(!info->function()->is_generator() || locals_count == 0);
182 if (locals_count > 0) { 170 if (locals_count > 0) {
183 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); 171 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
184 for (int i = 0; i < locals_count; i++) { 172 for (int i = 0; i < locals_count; i++) {
185 __ push(ip); 173 __ push(ip);
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1160 __ jmp(&exit); 1148 __ jmp(&exit);
1161 1149
1162 // We got a fixed array in register r0. Iterate through that. 1150 // We got a fixed array in register r0. Iterate through that.
1163 Label non_proxy; 1151 Label non_proxy;
1164 __ bind(&fixed_array); 1152 __ bind(&fixed_array);
1165 1153
1166 Handle<Cell> cell = isolate()->factory()->NewCell( 1154 Handle<Cell> cell = isolate()->factory()->NewCell(
1167 Handle<Object>(Smi::FromInt(TypeFeedbackCells::kForInFastCaseMarker), 1155 Handle<Object>(Smi::FromInt(TypeFeedbackCells::kForInFastCaseMarker),
1168 isolate())); 1156 isolate()));
1169 RecordTypeFeedbackCell(stmt->ForInFeedbackId(), cell); 1157 RecordTypeFeedbackCell(stmt->ForInFeedbackId(), cell);
1170 __ LoadHeapObject(r1, cell); 1158 __ Move(r1, cell);
1171 __ mov(r2, Operand(Smi::FromInt(TypeFeedbackCells::kForInSlowCaseMarker))); 1159 __ mov(r2, Operand(Smi::FromInt(TypeFeedbackCells::kForInSlowCaseMarker)));
1172 __ str(r2, FieldMemOperand(r1, Cell::kValueOffset)); 1160 __ str(r2, FieldMemOperand(r1, Cell::kValueOffset));
1173 1161
1174 __ mov(r1, Operand(Smi::FromInt(1))); // Smi indicates slow check 1162 __ mov(r1, Operand(Smi::FromInt(1))); // Smi indicates slow check
1175 __ ldr(r2, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object 1163 __ ldr(r2, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object
1176 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE); 1164 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);
1177 __ CompareObjectType(r2, r3, r3, LAST_JS_PROXY_TYPE); 1165 __ CompareObjectType(r2, r3, r3, LAST_JS_PROXY_TYPE);
1178 __ b(gt, &non_proxy); 1166 __ b(gt, &non_proxy);
1179 __ mov(r1, Operand(Smi::FromInt(0))); // Zero indicates proxy 1167 __ mov(r1, Operand(Smi::FromInt(0))); // Zero indicates proxy
1180 __ bind(&non_proxy); 1168 __ bind(&non_proxy);
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4971 ASSERT(Memory::uint32_at(interrupt_address_pointer) == 4959 ASSERT(Memory::uint32_at(interrupt_address_pointer) ==
4972 reinterpret_cast<uint32_t>( 4960 reinterpret_cast<uint32_t>(
4973 isolate->builtins()->OsrAfterStackCheck()->entry())); 4961 isolate->builtins()->OsrAfterStackCheck()->entry()));
4974 return OSR_AFTER_STACK_CHECK; 4962 return OSR_AFTER_STACK_CHECK;
4975 } 4963 }
4976 4964
4977 4965
4978 } } // namespace v8::internal 4966 } } // namespace v8::internal
4979 4967
4980 #endif // V8_TARGET_ARCH_ARM 4968 #endif // V8_TARGET_ARCH_ARM
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