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Unified Diff: src/a64/full-codegen-a64.cc

Issue 199973004: Continued fix for 351257. Reusing the feedback vector is too complex. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE. Created 6 years, 9 months ago
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Index: src/a64/full-codegen-a64.cc
diff --git a/src/a64/full-codegen-a64.cc b/src/a64/full-codegen-a64.cc
index dcab182e6770f3b6999302cdd0d9e250c6a559f6..a5f7311717971745a17d9899d51f3f286dda5fa0 100644
--- a/src/a64/full-codegen-a64.cc
+++ b/src/a64/full-codegen-a64.cc
@@ -129,8 +129,6 @@ void FullCodeGenerator::Generate() {
handler_table_ =
isolate()->factory()->NewFixedArray(function()->handler_count(), TENURED);
- InitializeFeedbackVector();
-
profiling_counter_ = isolate()->factory()->NewCell(
Handle<Smi>(Smi::FromInt(FLAG_interrupt_budget), isolate()));
SetFunctionPosition(function());
@@ -1162,12 +1160,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
// We got a fixed array in register x0. Iterate through that.
__ Bind(&fixed_array);
- Handle<Object> feedback = Handle<Object>(
- Smi::FromInt(TypeFeedbackInfo::kForInFastCaseMarker),
- isolate());
- StoreFeedbackVectorSlot(slot, feedback);
__ LoadObject(x1, FeedbackVector());
- __ Mov(x10, Operand(Smi::FromInt(TypeFeedbackInfo::kForInSlowCaseMarker)));
+ __ Mov(x10, Operand(TypeFeedbackInfo::MegamorphicSentinel(isolate())));
__ Str(x10, FieldMemOperand(x1, FixedArray::OffsetOfElementAt(slot)));
__ Mov(x1, Operand(Smi::FromInt(1))); // Smi indicates slow check.
@@ -2414,9 +2408,6 @@ void FullCodeGenerator::EmitCallWithStub(Call* expr) {
// Record source position for debugger.
SetSourcePosition(expr->position());
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallFeedbackSlot(), uninitialized);
__ LoadObject(x2, FeedbackVector());
__ Mov(x3, Operand(Smi::FromInt(expr->CallFeedbackSlot())));
@@ -2613,9 +2604,6 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
__ Peek(x1, arg_count * kXRegSize);
// Record call targets in unoptimized code.
- Handle<Object> uninitialized =
- TypeFeedbackInfo::UninitializedSentinel(isolate());
- StoreFeedbackVectorSlot(expr->CallNewFeedbackSlot(), uninitialized);
__ LoadObject(x2, FeedbackVector());
__ Mov(x3, Operand(Smi::FromInt(expr->CallNewFeedbackSlot())));
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