OLD | NEW |
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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
8 | 8 |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
(...skipping 2148 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2159 int argc = state_.arg_count(); | 2159 int argc = state_.arg_count(); |
2160 ParameterCount actual(argc); | 2160 ParameterCount actual(argc); |
2161 | 2161 |
2162 EmitLoadTypeFeedbackVector(masm, ebx); | 2162 EmitLoadTypeFeedbackVector(masm, ebx); |
2163 | 2163 |
2164 __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx); | 2164 __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx); |
2165 __ cmp(edi, ecx); | 2165 __ cmp(edi, ecx); |
2166 __ j(not_equal, &miss); | 2166 __ j(not_equal, &miss); |
2167 | 2167 |
2168 __ mov(eax, arg_count()); | 2168 __ mov(eax, arg_count()); |
2169 __ mov(ebx, FieldOperand(ebx, edx, times_half_pointer_size, | 2169 __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size, |
2170 FixedArray::kHeaderSize)); | 2170 FixedArray::kHeaderSize)); |
| 2171 |
2171 // Verify that ecx contains an AllocationSite | 2172 // Verify that ecx contains an AllocationSite |
2172 __ AssertUndefinedOrAllocationSite(ebx); | 2173 Factory* factory = masm->isolate()->factory(); |
| 2174 __ cmp(FieldOperand(ecx, HeapObject::kMapOffset), |
| 2175 factory->allocation_site_map()); |
| 2176 __ j(not_equal, &miss); |
| 2177 |
| 2178 __ mov(ebx, ecx); |
2173 ArrayConstructorStub stub(masm->isolate(), arg_count()); | 2179 ArrayConstructorStub stub(masm->isolate(), arg_count()); |
2174 __ TailCallStub(&stub); | 2180 __ TailCallStub(&stub); |
2175 | 2181 |
2176 __ bind(&miss); | 2182 __ bind(&miss); |
2177 GenerateMiss(masm, IC::kCallIC_Customization_Miss); | 2183 GenerateMiss(masm, IC::kCallIC_Customization_Miss); |
2178 | 2184 |
2179 // The slow case, we need this no matter what to complete a call after a miss. | 2185 // The slow case, we need this no matter what to complete a call after a miss. |
2180 CallFunctionNoFeedback(masm, | 2186 CallFunctionNoFeedback(masm, |
2181 arg_count(), | 2187 arg_count(), |
2182 true, | 2188 true, |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2233 Label miss; | 2239 Label miss; |
2234 | 2240 |
2235 __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size, | 2241 __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size, |
2236 FixedArray::kHeaderSize)); | 2242 FixedArray::kHeaderSize)); |
2237 __ cmp(ecx, Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate))); | 2243 __ cmp(ecx, Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate))); |
2238 __ j(equal, &slow_start); | 2244 __ j(equal, &slow_start); |
2239 __ cmp(ecx, Immediate(TypeFeedbackInfo::UninitializedSentinel(isolate))); | 2245 __ cmp(ecx, Immediate(TypeFeedbackInfo::UninitializedSentinel(isolate))); |
2240 __ j(equal, &miss); | 2246 __ j(equal, &miss); |
2241 | 2247 |
2242 if (!FLAG_trace_ic) { | 2248 if (!FLAG_trace_ic) { |
2243 // We are going megamorphic, and we don't want to visit the runtime. | 2249 // We are going megamorphic. If the feedback is a JSFunction, it is fine |
| 2250 // to handle it here. More complex cases are dealt with in the runtime. |
| 2251 __ AssertNotSmi(ecx); |
| 2252 __ CmpObjectType(ecx, JS_FUNCTION_TYPE, ecx); |
| 2253 __ j(not_equal, &miss); |
2244 __ mov(FieldOperand(ebx, edx, times_half_pointer_size, | 2254 __ mov(FieldOperand(ebx, edx, times_half_pointer_size, |
2245 FixedArray::kHeaderSize), | 2255 FixedArray::kHeaderSize), |
2246 Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate))); | 2256 Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate))); |
2247 __ jmp(&slow_start); | 2257 __ jmp(&slow_start); |
2248 } | 2258 } |
2249 | 2259 |
2250 // We are here because tracing is on or we are going monomorphic. | 2260 // We are here because tracing is on or we are going monomorphic. |
2251 __ bind(&miss); | 2261 __ bind(&miss); |
2252 GenerateMiss(masm, IC::kCallIC_Miss); | 2262 GenerateMiss(masm, IC::kCallIC_Miss); |
2253 | 2263 |
(...skipping 2471 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4725 Operand(ebp, 7 * kPointerSize), | 4735 Operand(ebp, 7 * kPointerSize), |
4726 NULL); | 4736 NULL); |
4727 } | 4737 } |
4728 | 4738 |
4729 | 4739 |
4730 #undef __ | 4740 #undef __ |
4731 | 4741 |
4732 } } // namespace v8::internal | 4742 } } // namespace v8::internal |
4733 | 4743 |
4734 #endif // V8_TARGET_ARCH_X87 | 4744 #endif // V8_TARGET_ARCH_X87 |
OLD | NEW |