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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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1889 // Push arguments below the return address. | 1889 // Push arguments below the return address. |
1890 __ pop(ecx); | 1890 __ pop(ecx); |
1891 __ push(edx); | 1891 __ push(edx); |
1892 __ push(eax); | 1892 __ push(eax); |
1893 | 1893 |
1894 // Figure out which native to call and setup the arguments. | 1894 // Figure out which native to call and setup the arguments. |
1895 if (cc == equal && strict()) { | 1895 if (cc == equal && strict()) { |
1896 __ push(ecx); | 1896 __ push(ecx); |
1897 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); | 1897 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); |
1898 } else { | 1898 } else { |
1899 Builtins::JavaScript builtin; | 1899 int native_context_index; |
1900 if (cc == equal) { | 1900 if (cc == equal) { |
1901 builtin = Builtins::EQUALS; | 1901 native_context_index = Context::EQUALS_BUILTIN_INDEX; |
1902 } else { | 1902 } else { |
1903 builtin = | 1903 native_context_index = is_strong(strength()) |
1904 is_strong(strength()) ? Builtins::COMPARE_STRONG : Builtins::COMPARE; | 1904 ? Context::COMPARE_STRONG_BUILTIN_INDEX |
| 1905 : Context::COMPARE_BUILTIN_INDEX; |
1905 __ push(Immediate(Smi::FromInt(NegativeComparisonResult(cc)))); | 1906 __ push(Immediate(Smi::FromInt(NegativeComparisonResult(cc)))); |
1906 } | 1907 } |
1907 | 1908 |
1908 // Restore return address on the stack. | 1909 // Restore return address on the stack. |
1909 __ push(ecx); | 1910 __ push(ecx); |
1910 | 1911 |
1911 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) | 1912 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) |
1912 // tagged as a small integer. | 1913 // tagged as a small integer. |
1913 __ InvokeBuiltin(builtin, JUMP_FUNCTION); | 1914 __ InvokeBuiltin(native_context_index, JUMP_FUNCTION); |
1914 } | 1915 } |
1915 | 1916 |
1916 __ bind(&miss); | 1917 __ bind(&miss); |
1917 GenerateMiss(masm); | 1918 GenerateMiss(masm); |
1918 } | 1919 } |
1919 | 1920 |
1920 | 1921 |
1921 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub, | 1922 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub, |
1922 bool is_super) { | 1923 bool is_super) { |
1923 // eax : number of arguments to the construct function | 1924 // eax : number of arguments to the construct function |
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2068 int argc, | 2069 int argc, |
2069 Label* non_function) { | 2070 Label* non_function) { |
2070 // Check for function proxy. | 2071 // Check for function proxy. |
2071 __ CmpInstanceType(ecx, JS_FUNCTION_PROXY_TYPE); | 2072 __ CmpInstanceType(ecx, JS_FUNCTION_PROXY_TYPE); |
2072 __ j(not_equal, non_function); | 2073 __ j(not_equal, non_function); |
2073 __ pop(ecx); | 2074 __ pop(ecx); |
2074 __ push(edi); // put proxy as additional argument under return address | 2075 __ push(edi); // put proxy as additional argument under return address |
2075 __ push(ecx); | 2076 __ push(ecx); |
2076 __ Move(eax, Immediate(argc + 1)); | 2077 __ Move(eax, Immediate(argc + 1)); |
2077 __ Move(ebx, Immediate(0)); | 2078 __ Move(ebx, Immediate(0)); |
2078 __ GetBuiltinEntry(edx, Builtins::CALL_FUNCTION_PROXY); | 2079 __ GetBuiltinEntry(edx, Context::CALL_FUNCTION_PROXY_BUILTIN_INDEX); |
2079 { | 2080 { |
2080 Handle<Code> adaptor = isolate->builtins()->ArgumentsAdaptorTrampoline(); | 2081 Handle<Code> adaptor = isolate->builtins()->ArgumentsAdaptorTrampoline(); |
2081 __ jmp(adaptor, RelocInfo::CODE_TARGET); | 2082 __ jmp(adaptor, RelocInfo::CODE_TARGET); |
2082 } | 2083 } |
2083 | 2084 |
2084 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead | 2085 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead |
2085 // of the original receiver from the call site). | 2086 // of the original receiver from the call site). |
2086 __ bind(non_function); | 2087 __ bind(non_function); |
2087 __ mov(Operand(esp, (argc + 1) * kPointerSize), edi); | 2088 __ mov(Operand(esp, (argc + 1) * kPointerSize), edi); |
2088 __ Move(eax, Immediate(argc)); | 2089 __ Move(eax, Immediate(argc)); |
2089 __ Move(ebx, Immediate(0)); | 2090 __ Move(ebx, Immediate(0)); |
2090 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION); | 2091 __ GetBuiltinEntry(edx, Context::CALL_NON_FUNCTION_BUILTIN_INDEX); |
2091 Handle<Code> adaptor = isolate->builtins()->ArgumentsAdaptorTrampoline(); | 2092 Handle<Code> adaptor = isolate->builtins()->ArgumentsAdaptorTrampoline(); |
2092 __ jmp(adaptor, RelocInfo::CODE_TARGET); | 2093 __ jmp(adaptor, RelocInfo::CODE_TARGET); |
2093 } | 2094 } |
2094 | 2095 |
2095 | 2096 |
2096 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { | 2097 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { |
2097 // Wrap the receiver and patch it back onto the stack. | 2098 // Wrap the receiver and patch it back onto the stack. |
2098 { FrameScope frame_scope(masm, StackFrame::INTERNAL); | 2099 { FrameScope frame_scope(masm, StackFrame::INTERNAL); |
2099 __ push(edi); | 2100 __ push(edi); |
2100 ToObjectStub stub(masm->isolate()); | 2101 ToObjectStub stub(masm->isolate()); |
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2224 __ jmp(jmp_reg); | 2225 __ jmp(jmp_reg); |
2225 | 2226 |
2226 // edi: called object | 2227 // edi: called object |
2227 // eax: number of arguments | 2228 // eax: number of arguments |
2228 // ecx: object map | 2229 // ecx: object map |
2229 // esp[0]: original receiver (for IsSuperConstructorCall) | 2230 // esp[0]: original receiver (for IsSuperConstructorCall) |
2230 Label do_call; | 2231 Label do_call; |
2231 __ bind(&slow); | 2232 __ bind(&slow); |
2232 __ CmpInstanceType(ecx, JS_FUNCTION_PROXY_TYPE); | 2233 __ CmpInstanceType(ecx, JS_FUNCTION_PROXY_TYPE); |
2233 __ j(not_equal, &non_function_call); | 2234 __ j(not_equal, &non_function_call); |
2234 __ GetBuiltinEntry(edx, Builtins::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR); | 2235 __ GetBuiltinEntry(edx, |
| 2236 Context::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR_BUILTIN_INDEX); |
2235 __ jmp(&do_call); | 2237 __ jmp(&do_call); |
2236 | 2238 |
2237 __ bind(&non_function_call); | 2239 __ bind(&non_function_call); |
2238 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 2240 __ GetBuiltinEntry(edx, |
| 2241 Context::CALL_NON_FUNCTION_AS_CONSTRUCTOR_BUILTIN_INDEX); |
2239 __ bind(&do_call); | 2242 __ bind(&do_call); |
2240 if (IsSuperConstructorCall()) { | 2243 if (IsSuperConstructorCall()) { |
2241 __ Drop(1); | 2244 __ Drop(1); |
2242 } | 2245 } |
2243 // Set expected number of arguments to zero (not changing eax). | 2246 // Set expected number of arguments to zero (not changing eax). |
2244 __ Move(ebx, Immediate(0)); | 2247 __ Move(ebx, Immediate(0)); |
2245 Handle<Code> arguments_adaptor = | 2248 Handle<Code> arguments_adaptor = |
2246 isolate()->builtins()->ArgumentsAdaptorTrampoline(); | 2249 isolate()->builtins()->ArgumentsAdaptorTrampoline(); |
2247 __ jmp(arguments_adaptor, RelocInfo::CODE_TARGET); | 2250 __ jmp(arguments_adaptor, RelocInfo::CODE_TARGET); |
2248 } | 2251 } |
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3261 Label not_oddball; | 3264 Label not_oddball; |
3262 __ CmpInstanceType(edi, ODDBALL_TYPE); | 3265 __ CmpInstanceType(edi, ODDBALL_TYPE); |
3263 __ j(not_equal, ¬_oddball, Label::kNear); | 3266 __ j(not_equal, ¬_oddball, Label::kNear); |
3264 __ mov(eax, FieldOperand(eax, Oddball::kToNumberOffset)); | 3267 __ mov(eax, FieldOperand(eax, Oddball::kToNumberOffset)); |
3265 __ Ret(); | 3268 __ Ret(); |
3266 __ bind(¬_oddball); | 3269 __ bind(¬_oddball); |
3267 | 3270 |
3268 __ pop(ecx); // Pop return address. | 3271 __ pop(ecx); // Pop return address. |
3269 __ push(eax); // Push argument. | 3272 __ push(eax); // Push argument. |
3270 __ push(ecx); // Push return address. | 3273 __ push(ecx); // Push return address. |
3271 __ InvokeBuiltin(Builtins::TO_NUMBER, JUMP_FUNCTION); | 3274 __ InvokeBuiltin(Context::TO_NUMBER_BUILTIN_INDEX, JUMP_FUNCTION); |
3272 } | 3275 } |
3273 | 3276 |
3274 | 3277 |
3275 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, | 3278 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, |
3276 Register left, | 3279 Register left, |
3277 Register right, | 3280 Register right, |
3278 Register scratch1, | 3281 Register scratch1, |
3279 Register scratch2) { | 3282 Register scratch2) { |
3280 Register length = scratch1; | 3283 Register length = scratch1; |
3281 | 3284 |
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5533 Operand(ebp, 7 * kPointerSize), NULL); | 5536 Operand(ebp, 7 * kPointerSize), NULL); |
5534 } | 5537 } |
5535 | 5538 |
5536 | 5539 |
5537 #undef __ | 5540 #undef __ |
5538 | 5541 |
5539 } // namespace internal | 5542 } // namespace internal |
5540 } // namespace v8 | 5543 } // namespace v8 |
5541 | 5544 |
5542 #endif // V8_TARGET_ARCH_IA32 | 5545 #endif // V8_TARGET_ARCH_IA32 |
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