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Issue 7085034: Reapply change to Pass undefined to JS builtins when called with (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 6 months ago
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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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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 // Strict mode functions need to replace the receiver with undefined 142 // Strict mode functions and builtins need to replace the receiver
143 // when called as functions (without an explicit receiver 143 // with undefined when called as functions (without an explicit
144 // object). r5 is zero for method calls and non-zero for function 144 // receiver object). r5 is zero for method calls and non-zero for
145 // calls. 145 // function calls.
146 if (info->is_strict_mode()) { 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 int locals_count = scope()->num_stack_slots(); 156 int locals_count = scope()->num_stack_slots();
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4367 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. 4367 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value.
4368 __ add(pc, r1, Operand(masm_->CodeObject())); 4368 __ add(pc, r1, Operand(masm_->CodeObject()));
4369 } 4369 }
4370 4370
4371 4371
4372 #undef __ 4372 #undef __
4373 4373
4374 } } // namespace v8::internal 4374 } } // namespace v8::internal
4375 4375
4376 #endif // V8_TARGET_ARCH_ARM 4376 #endif // V8_TARGET_ARCH_ARM
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