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Issue 151022: X64: Remove temporary compiler and assembler tests, fix typeof x == 'object' test. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 5 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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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72 Label* then_label) { 72 Label* then_label) {
73 Label ok; 73 Label ok;
74 testq(result, result); 74 testq(result, result);
75 j(not_zero, &ok); 75 j(not_zero, &ok);
76 testq(op, op); 76 testq(op, op);
77 j(sign, then_label); 77 j(sign, then_label);
78 bind(&ok); 78 bind(&ok);
79 } 79 }
80 80
81 81
82 void MacroAssembler::ConstructAndTestJSFunction() {
83 const int initial_buffer_size = 4 * KB;
84 char* buffer = new char[initial_buffer_size];
85 MacroAssembler masm(buffer, initial_buffer_size);
86
87 const uint64_t secret = V8_INT64_C(0xdeadbeefcafebabe);
88 Handle<String> constant =
89 Factory::NewStringFromAscii(Vector<const char>("451", 3), TENURED);
90 #define __ ACCESS_MASM((&masm))
91 // Construct a simple JSfunction here, using Assembler and MacroAssembler
92 // commands.
93 __ movq(rax, constant, RelocInfo::EMBEDDED_OBJECT);
94 __ push(rax);
95 __ CallRuntime(Runtime::kStringParseFloat, 1);
96 __ movq(kScratchRegister, secret, RelocInfo::NONE);
97 __ addq(rax, kScratchRegister);
98 __ ret(0);
99 #undef __
100 CodeDesc desc;
101 masm.GetCode(&desc);
102 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION);
103 Object* code = Heap::CreateCode(desc, NULL, flags, Handle<Object>::null());
104 if (!code->IsFailure()) {
105 Handle<Code> code_handle(Code::cast(code));
106 Handle<String> name =
107 Factory::NewStringFromAscii(Vector<const char>("foo", 3), NOT_TENURED);
108 Handle<JSFunction> function =
109 Factory::NewFunction(name,
110 JS_FUNCTION_TYPE,
111 JSObject::kHeaderSize,
112 code_handle,
113 true);
114 bool pending_exceptions;
115 Handle<Object> result =
116 Execution::Call(function,
117 Handle<Object>::cast(function),
118 0,
119 NULL,
120 &pending_exceptions);
121 CHECK(result->IsSmi());
122 CHECK(secret + (451 << kSmiTagSize) == reinterpret_cast<uint64_t>(*result));
123 }
124 }
125
126
127 void MacroAssembler::Abort(const char* msg) { 82 void MacroAssembler::Abort(const char* msg) {
128 // We want to pass the msg string like a smi to avoid GC 83 // We want to pass the msg string like a smi to avoid GC
129 // problems, however msg is not guaranteed to be aligned 84 // problems, however msg is not guaranteed to be aligned
130 // properly. Instead, we pass an aligned pointer that is 85 // properly. Instead, we pass an aligned pointer that is
131 // a proper v8 smi, but also pass the alignment difference 86 // a proper v8 smi, but also pass the alignment difference
132 // from the real pointer as a smi. 87 // from the real pointer as a smi.
133 intptr_t p1 = reinterpret_cast<intptr_t>(msg); 88 intptr_t p1 = reinterpret_cast<intptr_t>(msg);
134 intptr_t p0 = (p1 & ~kSmiTagMask) + kSmiTag; 89 intptr_t p0 = (p1 & ~kSmiTagMask) + kSmiTag;
135 // Note: p0 might not be a valid Smi *value*, but it has a valid Smi tag. 90 // Note: p0 might not be a valid Smi *value*, but it has a valid Smi tag.
136 ASSERT(reinterpret_cast<Object*>(p0)->IsSmi()); 91 ASSERT(reinterpret_cast<Object*>(p0)->IsSmi());
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840 push(rcx); 795 push(rcx);
841 796
842 // Clear the top frame. 797 // Clear the top frame.
843 ExternalReference c_entry_fp_address(Top::k_c_entry_fp_address); 798 ExternalReference c_entry_fp_address(Top::k_c_entry_fp_address);
844 movq(kScratchRegister, c_entry_fp_address); 799 movq(kScratchRegister, c_entry_fp_address);
845 movq(Operand(kScratchRegister, 0), Immediate(0)); 800 movq(Operand(kScratchRegister, 0), Immediate(0));
846 } 801 }
847 802
848 803
849 } } // namespace v8::internal 804 } } // namespace v8::internal
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