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Issue 7036016: Reland 7917: (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixes to make re-land work Created 9 years, 7 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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279 Label* fail, 279 Label* fail,
280 SmiCheckType smi_check_type) { 280 SmiCheckType smi_check_type) {
281 if (smi_check_type == DONT_DO_SMI_CHECK) { 281 if (smi_check_type == DONT_DO_SMI_CHECK) {
282 JumpIfSmi(obj, fail); 282 JumpIfSmi(obj, fail);
283 } 283 }
284 cmp(FieldOperand(obj, HeapObject::kMapOffset), Immediate(map)); 284 cmp(FieldOperand(obj, HeapObject::kMapOffset), Immediate(map));
285 j(not_equal, fail); 285 j(not_equal, fail);
286 } 286 }
287 287
288 288
289 void MacroAssembler::DispatchMap(Register obj,
290 Handle<Map> map,
291 Handle<Code> success,
292 SmiCheckType smi_check_type) {
293 Label fail;
294 if (smi_check_type == DONT_DO_SMI_CHECK) {
295 JumpIfSmi(obj, &fail);
296 }
297 cmp(FieldOperand(obj, HeapObject::kMapOffset), Immediate(map));
298 j(equal, success);
299
300 bind(&fail);
301 }
302
303
289 Condition MacroAssembler::IsObjectStringType(Register heap_object, 304 Condition MacroAssembler::IsObjectStringType(Register heap_object,
290 Register map, 305 Register map,
291 Register instance_type) { 306 Register instance_type) {
292 mov(map, FieldOperand(heap_object, HeapObject::kMapOffset)); 307 mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
293 movzx_b(instance_type, FieldOperand(map, Map::kInstanceTypeOffset)); 308 movzx_b(instance_type, FieldOperand(map, Map::kInstanceTypeOffset));
294 ASSERT(kNotStringTag != 0); 309 ASSERT(kNotStringTag != 0);
295 test(instance_type, Immediate(kIsNotStringMask)); 310 test(instance_type, Immediate(kIsNotStringMask));
296 return zero; 311 return zero;
297 } 312 }
298 313
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2068 2083
2069 // Check that the code was patched as expected. 2084 // Check that the code was patched as expected.
2070 ASSERT(masm_.pc_ == address_ + size_); 2085 ASSERT(masm_.pc_ == address_ + size_);
2071 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); 2086 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
2072 } 2087 }
2073 2088
2074 2089
2075 } } // namespace v8::internal 2090 } } // namespace v8::internal
2076 2091
2077 #endif // V8_TARGET_ARCH_IA32 2092 #endif // V8_TARGET_ARCH_IA32
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