src/crankshaft/mips64/lithium-codegen-mips64.cc - Issue 2031493002: Revert of Provide a tagged allocation top pointer.

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Unified Diff: src/crankshaft/mips64/lithium-codegen-mips64.cc

Issue 2031493002: Revert of Provide a tagged allocation top pointer. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 7 months ago

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Index: src/crankshaft/mips64/lithium-codegen-mips64.cc

diff --git a/src/crankshaft/mips64/lithium-codegen-mips64.cc b/src/crankshaft/mips64/lithium-codegen-mips64.cc

index d1ca99a5de7475abd5cec8aa6e544c394bb31edf..280b00cd840ff83b93704b384c1f4d5b5ff19b96 100644

--- a/src/crankshaft/mips64/lithium-codegen-mips64.cc

+++ b/src/crankshaft/mips64/lithium-codegen-mips64.cc

@@ -5345,8 +5345,10 @@

ExternalReference allocation_top =

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

+ __ Dsubu(v0, v0, Operand(kHeapObjectTag));

__ li(top_address, Operand(allocation_top));

__ sd(v0, MemOperand(top_address));

+ __ Daddu(v0, v0, Operand(kHeapObjectTag));

}