src/ia32/lithium-codegen-ia32.cc - Issue 21357003: Stores to external references don't need write barriers.

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Unified Diff: src/ia32/lithium-codegen-ia32.cc

Issue 21357003: Stores to external references don't need write barriers. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 7 years, 5 months ago

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Index: src/ia32/lithium-codegen-ia32.cc

diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc

index 0d20dea90ae793223117aaea6e680ba38ce22b29..013a921c5f9f75662fe78c8ba7209dab5160bb66 100644

--- a/src/ia32/lithium-codegen-ia32.cc

+++ b/src/ia32/lithium-codegen-ia32.cc

@@ -4342,6 +4342,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {

int offset = access.offset();

if (access.IsExternalMemory()) {

+ ASSERT(!instr->hydrogen()->NeedsWriteBarrier());

MemOperand operand = instr->object()->IsConstantOperand()

? MemOperand::StaticVariable(

ToExternalReference(LConstantOperand::cast(instr->object())))

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