src/ia32/ic-ia32.cc - Issue 7207006: Add missing write barrier for arguments store ICs.

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Unified Diff: src/ia32/ic-ia32.cc

Issue 7207006: Add missing write barrier for arguments store ICs. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 9 years, 6 months ago

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Index: src/ia32/ic-ia32.cc

===================================================================

--- src/ia32/ic-ia32.cc (revision 8365)

+++ src/ia32/ic-ia32.cc (working copy)

@@ -801,12 +801,18 @@

Operand mapped_location =

GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, edi, &notin, &slow);

__ mov(mapped_location, eax);

+ __ lea(ecx, mapped_location);

+ __ mov(edx, eax);

+ __ RecordWrite(ebx, ecx, edx);

__ Ret();

__ bind(&notin);

// The unmapped lookup expects that the parameter map is in ebx.

Operand unmapped_location =

GenerateUnmappedArgumentsLookup(masm, ecx, ebx, edi, &slow);

__ mov(unmapped_location, eax);

+ __ lea(edi, unmapped_location);

+ __ mov(edx, eax);

+ __ RecordWrite(ebx, edi, edx);

__ Ret();

__ bind(&slow);

GenerateMiss(masm, false);

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