Reviewed by Oliver.
        
        - speed up === operator by generating inline machine code for the fast paths
        https://bugs.webkit.org/show_bug.cgi?id=20820

        * VM/CTI.cpp:
        (JSC::CTI::emitJumpSlowCaseIfNotImmediateNumber):
        (JSC::CTI::emitJumpSlowCaseIfNotImmediateNumbers):
        (JSC::CTI::emitJumpSlowCaseIfNotImmediates):
        (JSC::CTI::emitTagAsBoolImmediate):
        (JSC::CTI::privateCompileMainPass):
        (JSC::CTI::privateCompileSlowCases):
        * VM/CTI.h:
        * VM/Machine.cpp:
        (JSC::Machine::cti_op_stricteq):
        * masm/X86Assembler.h:
        (JSC::X86Assembler::):
        (JSC::X86Assembler::sete_r):
        (JSC::X86Assembler::setz_r):
        (JSC::X86Assembler::movzbl_rr):
        (JSC::X86Assembler::emitUnlinkedJnz):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@36738 268f45cc-cd09-0410-ab3c-d52691b4dbfc