From 470286ecfe79d59df14944e5b5d34630fc739391 Mon Sep 17 00:00:00 2001 From: Simon Hausmann Date: Thu, 22 Nov 2012 09:09:45 +0100 Subject: Imported WebKit commit e89504fa9195b2063b2530961d4b73dd08de3242 (http://svn.webkit.org/repository/webkit/trunk@135485) Change-Id: I03774e5ac79721c13ffa30d152537a74d0b12e66 Reviewed-by: Simon Hausmann --- Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp') diff --git a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp index 85da1f4eb..71b6c7cac 100644 --- a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp +++ b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp @@ -1035,6 +1035,16 @@ RegisterID* BinaryOpNode::emitBytecode(BytecodeGenerator& generator, RegisterID* RefPtr src1 = generator.emitNodeForLeftHandSide(m_expr1, m_rightHasAssignments, m_expr2->isPure(generator)); RegisterID* src2 = generator.emitNode(m_expr2); + if (generator.m_lastOpcodeID == op_typeof && (opcodeID == op_neq || opcodeID == op_nstricteq)) { + RefPtr tmp = generator.tempDestination(dst); + if (opcodeID == op_neq) + generator.emitEqualityOp(op_eq, generator.finalDestination(tmp.get(), src1.get()), src1.get(), src2); + else if (opcodeID == op_nstricteq) + generator.emitEqualityOp(op_stricteq, generator.finalDestination(tmp.get(), src1.get()), src1.get(), src2); + else + ASSERT_NOT_REACHED(); + return generator.emitUnaryOp(op_not, generator.finalDestination(dst, tmp.get()), tmp.get()); + } return generator.emitBinaryOp(opcodeID, generator.finalDestination(dst, src1.get()), src1.get(), src2, OperandTypes(m_expr1->resultDescriptor(), m_expr2->resultDescriptor())); } -- cgit v1.2.1