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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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146 if (info->is_strict_mode() || info->is_native()) { | 146 if (info->is_strict_mode() || info->is_native()) { |
147 Label ok; | 147 Label ok; |
148 __ cmp(r5, Operand(0)); | 148 __ cmp(r5, Operand(0)); |
149 __ b(eq, &ok); | 149 __ b(eq, &ok); |
150 int receiver_offset = scope()->num_parameters() * kPointerSize; | 150 int receiver_offset = scope()->num_parameters() * kPointerSize; |
151 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); | 151 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); |
152 __ str(r2, MemOperand(sp, receiver_offset)); | 152 __ str(r2, MemOperand(sp, receiver_offset)); |
153 __ bind(&ok); | 153 __ bind(&ok); |
154 } | 154 } |
155 | 155 |
156 // Open a frame scope to indicate that there is a frame on the stack. The | |
157 // MANUAL indicates that the scope shouldn't actually generate code to set up | |
158 // the frame (that is done below). | |
159 FrameScope frame_scope(masm_, StackFrame::MANUAL); | |
160 | |
161 int locals_count = scope()->num_stack_slots(); | 156 int locals_count = scope()->num_stack_slots(); |
162 | 157 |
163 __ Push(lr, fp, cp, r1); | 158 __ Push(lr, fp, cp, r1); |
164 if (locals_count > 0) { | 159 if (locals_count > 0) { |
165 // Load undefined value here, so the value is ready for the loop | 160 // Load undefined value here, so the value is ready for the loop |
166 // below. | 161 // below. |
167 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); | 162 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
168 } | 163 } |
169 // Adjust fp to point to caller's fp. | 164 // Adjust fp to point to caller's fp. |
170 __ add(fp, sp, Operand(2 * kPointerSize)); | 165 __ add(fp, sp, Operand(2 * kPointerSize)); |
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4372 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. | 4367 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. |
4373 __ add(pc, r1, Operand(masm_->CodeObject())); | 4368 __ add(pc, r1, Operand(masm_->CodeObject())); |
4374 } | 4369 } |
4375 | 4370 |
4376 | 4371 |
4377 #undef __ | 4372 #undef __ |
4378 | 4373 |
4379 } } // namespace v8::internal | 4374 } } // namespace v8::internal |
4380 | 4375 |
4381 #endif // V8_TARGET_ARCH_ARM | 4376 #endif // V8_TARGET_ARCH_ARM |
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