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Unified Diff: src/arm/full-codegen-arm.cc

Issue 686063002: EmitCreateIteratorResult loads map from function's context (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 2 months ago
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Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 76e6738c5b0f3d4d5cebe429300e4068fdeb142c..463478956f5e585cea79c26469ad6ecdb730e227 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -2330,23 +2330,26 @@ void FullCodeGenerator::EmitCreateIteratorResult(bool done) {
Label gc_required;
Label allocated;
- Handle<Map> map(isolate()->native_context()->iterator_result_map());
+ const int instance_size = 5 * kPointerSize;
+ DCHECK_EQ(isolate()->native_context()->iterator_result_map()->instance_size(),
+ instance_size);
- __ Allocate(map->instance_size(), r0, r2, r3, &gc_required, TAG_OBJECT);
+ __ Allocate(instance_size, r0, r2, r3, &gc_required, TAG_OBJECT);
__ jmp(&allocated);
__ bind(&gc_required);
- __ Push(Smi::FromInt(map->instance_size()));
+ __ Push(Smi::FromInt(instance_size));
__ CallRuntime(Runtime::kAllocateInNewSpace, 1);
__ ldr(context_register(),
MemOperand(fp, StandardFrameConstants::kContextOffset));
__ bind(&allocated);
- __ mov(r1, Operand(map));
+ __ ldr(r1, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
+ __ ldr(r1, FieldMemOperand(r1, GlobalObject::kNativeContextOffset));
+ __ ldr(r1, ContextOperand(r1, Context::ITERATOR_RESULT_MAP_INDEX));
__ pop(r2);
__ mov(r3, Operand(isolate()->factory()->ToBoolean(done)));
__ mov(r4, Operand(isolate()->factory()->empty_fixed_array()));
- DCHECK_EQ(map->instance_size(), 5 * kPointerSize);
__ str(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
__ str(r4, FieldMemOperand(r0, JSObject::kPropertiesOffset));
__ str(r4, FieldMemOperand(r0, JSObject::kElementsOffset));
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