src/crankshaft/x64/lithium-codegen-x64.cc - Issue 2028633002: Provide a tagged allocation top pointer.

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Unified Diff: src/crankshaft/x64/lithium-codegen-x64.cc

Issue 2028633002: Provide a tagged allocation top pointer. Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Update Created 4 years, 7 months ago

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Index: src/crankshaft/x64/lithium-codegen-x64.cc

diff --git a/src/crankshaft/x64/lithium-codegen-x64.cc b/src/crankshaft/x64/lithium-codegen-x64.cc

index 2ec98126c949bd2aae6793a35bfc9622f21bc912..1c3188c03f643bb38e280126880a15a153d051ef 100644

--- a/src/crankshaft/x64/lithium-codegen-x64.cc

+++ b/src/crankshaft/x64/lithium-codegen-x64.cc

@@ -5249,9 +5249,7 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {

// undo the allocation.

ExternalReference allocation_top =

AllocationUtils::GetAllocationTopReference(isolate(), allocation_flags);

- __ subp(rax, Immediate(kHeapObjectTag));

__ Store(allocation_top, rax);

- __ addp(rax, Immediate(kHeapObjectTag));

}