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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_PPC | 5 #if V8_TARGET_ARCH_PPC |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.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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996 __ bge(&done_convert); | 996 __ bge(&done_convert); |
997 __ bind(&convert); | 997 __ bind(&convert); |
998 ToObjectStub stub(isolate()); | 998 ToObjectStub stub(isolate()); |
999 __ CallStub(&stub); | 999 __ CallStub(&stub); |
1000 __ bind(&done_convert); | 1000 __ bind(&done_convert); |
1001 PrepareForBailoutForId(stmt->ToObjectId(), TOS_REG); | 1001 PrepareForBailoutForId(stmt->ToObjectId(), TOS_REG); |
1002 __ push(r3); | 1002 __ push(r3); |
1003 | 1003 |
1004 // Check for proxies. | 1004 // Check for proxies. |
1005 Label call_runtime; | 1005 Label call_runtime; |
1006 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); | 1006 __ CompareObjectType(r3, r4, r4, JS_PROXY_TYPE); |
1007 __ CompareObjectType(r3, r4, r4, LAST_JS_PROXY_TYPE); | 1007 __ beq(&call_runtime); |
1008 __ ble(&call_runtime); | |
1009 | 1008 |
1010 // Check cache validity in generated code. This is a fast case for | 1009 // Check cache validity in generated code. This is a fast case for |
1011 // the JSObject::IsSimpleEnum cache validity checks. If we cannot | 1010 // the JSObject::IsSimpleEnum cache validity checks. If we cannot |
1012 // guarantee cache validity, call the runtime system to check cache | 1011 // guarantee cache validity, call the runtime system to check cache |
1013 // validity or get the property names in a fixed array. | 1012 // validity or get the property names in a fixed array. |
1014 __ CheckEnumCache(null_value, &call_runtime); | 1013 __ CheckEnumCache(null_value, &call_runtime); |
1015 | 1014 |
1016 // The enum cache is valid. Load the map of the object being | 1015 // The enum cache is valid. Load the map of the object being |
1017 // iterated over and use the cache for the iteration. | 1016 // iterated over and use the cache for the iteration. |
1018 Label use_cache; | 1017 Label use_cache; |
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1063 __ bind(&fixed_array); | 1062 __ bind(&fixed_array); |
1064 | 1063 |
1065 __ EmitLoadTypeFeedbackVector(r4); | 1064 __ EmitLoadTypeFeedbackVector(r4); |
1066 __ mov(r5, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate()))); | 1065 __ mov(r5, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate()))); |
1067 int vector_index = SmiFromSlot(slot)->value(); | 1066 int vector_index = SmiFromSlot(slot)->value(); |
1068 __ StoreP( | 1067 __ StoreP( |
1069 r5, FieldMemOperand(r4, FixedArray::OffsetOfElementAt(vector_index)), r0); | 1068 r5, FieldMemOperand(r4, FixedArray::OffsetOfElementAt(vector_index)), r0); |
1070 | 1069 |
1071 __ LoadSmiLiteral(r4, Smi::FromInt(1)); // Smi indicates slow check | 1070 __ LoadSmiLiteral(r4, Smi::FromInt(1)); // Smi indicates slow check |
1072 __ LoadP(r5, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object | 1071 __ LoadP(r5, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object |
1073 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); | 1072 STATIC_ASSERT(JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); |
1074 __ CompareObjectType(r5, r6, r6, LAST_JS_PROXY_TYPE); | 1073 __ CompareObjectType(r5, r6, r6, JS_PROXY_TYPE); |
1075 __ bgt(&non_proxy); | 1074 __ bgt(&non_proxy); |
1076 __ LoadSmiLiteral(r4, Smi::FromInt(0)); // Zero indicates proxy | 1075 __ LoadSmiLiteral(r4, Smi::FromInt(0)); // Zero indicates proxy |
1077 __ bind(&non_proxy); | 1076 __ bind(&non_proxy); |
1078 __ Push(r4, r3); // Smi and array | 1077 __ Push(r4, r3); // Smi and array |
1079 __ LoadP(r4, FieldMemOperand(r3, FixedArray::kLengthOffset)); | 1078 __ LoadP(r4, FieldMemOperand(r3, FixedArray::kLengthOffset)); |
1080 __ LoadSmiLiteral(r3, Smi::FromInt(0)); | 1079 __ LoadSmiLiteral(r3, Smi::FromInt(0)); |
1081 __ Push(r4, r3); // Fixed array length (as smi) and initial index. | 1080 __ Push(r4, r3); // Fixed array length (as smi) and initial index. |
1082 | 1081 |
1083 // Generate code for doing the condition check. | 1082 // Generate code for doing the condition check. |
1084 __ bind(&loop); | 1083 __ bind(&loop); |
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3246 VisitForAccumulatorValue(args->at(0)); | 3245 VisitForAccumulatorValue(args->at(0)); |
3247 | 3246 |
3248 Label materialize_true, materialize_false; | 3247 Label materialize_true, materialize_false; |
3249 Label* if_true = NULL; | 3248 Label* if_true = NULL; |
3250 Label* if_false = NULL; | 3249 Label* if_false = NULL; |
3251 Label* fall_through = NULL; | 3250 Label* fall_through = NULL; |
3252 context()->PrepareTest(&materialize_true, &materialize_false, &if_true, | 3251 context()->PrepareTest(&materialize_true, &materialize_false, &if_true, |
3253 &if_false, &fall_through); | 3252 &if_false, &fall_through); |
3254 | 3253 |
3255 __ JumpIfSmi(r3, if_false); | 3254 __ JumpIfSmi(r3, if_false); |
3256 Register map = r4; | 3255 __ CompareObjectType(r3, r4, r4, JS_PROXY_TYPE); |
3257 Register type_reg = r5; | |
3258 __ LoadP(map, FieldMemOperand(r3, HeapObject::kMapOffset)); | |
3259 __ lbz(type_reg, FieldMemOperand(map, Map::kInstanceTypeOffset)); | |
3260 __ subi(type_reg, type_reg, Operand(FIRST_JS_PROXY_TYPE)); | |
3261 __ cmpli(type_reg, Operand(LAST_JS_PROXY_TYPE - FIRST_JS_PROXY_TYPE)); | |
3262 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 3256 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
3263 Split(le, if_true, if_false, fall_through); | 3257 Split(eq, if_true, if_false, fall_through); |
3264 | 3258 |
3265 context()->Plug(if_true, if_false); | 3259 context()->Plug(if_true, if_false); |
3266 } | 3260 } |
3267 | 3261 |
3268 | 3262 |
3269 void FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) { | 3263 void FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) { |
3270 ZoneList<Expression*>* args = expr->arguments(); | 3264 ZoneList<Expression*>* args = expr->arguments(); |
3271 DCHECK(args->length() == 2); | 3265 DCHECK(args->length() == 2); |
3272 | 3266 |
3273 // Load the two objects into registers and perform the comparison. | 3267 // Load the two objects into registers and perform the comparison. |
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4905 return ON_STACK_REPLACEMENT; | 4899 return ON_STACK_REPLACEMENT; |
4906 } | 4900 } |
4907 | 4901 |
4908 DCHECK(interrupt_address == | 4902 DCHECK(interrupt_address == |
4909 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4903 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4910 return OSR_AFTER_STACK_CHECK; | 4904 return OSR_AFTER_STACK_CHECK; |
4911 } | 4905 } |
4912 } // namespace internal | 4906 } // namespace internal |
4913 } // namespace v8 | 4907 } // namespace v8 |
4914 #endif // V8_TARGET_ARCH_PPC | 4908 #endif // V8_TARGET_ARCH_PPC |
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