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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>tfpt review "/shelveset:InstructionRefactoring;REDMOND\tomat"<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>DLR, Python Ruby:<o:p></o:p></b></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Makes all instruction classes internal except for the base Instruction class. Adds InstructionList class that represents incomplete instruction stream and provides Emit* instructions (like ILGenerator). The class is converted to InstructionArray when finished. Both implement a debug view so that it is easy to see what instructions are being emitted/interpreted.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Implements cache for LoadObject instruction – instead of allocating a new instruction per object constant we store the constants into an array and have specialized pre-generated instructions to load them. <o:p></o:p></p><p class=MsoNormal>Adds caching of branch instructions.<o:p></o:p></p><p class=MsoNormal>Adds debug cookies to instruction list in DEBUG builds – each instruction can be associates with one or more debug cookies. LocalAccess instructions use this to store the variable names. The cookies are used in debug view.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Groups related instructions into separate files.<o:p></o:p></p><p class=MsoNormal>Implements AddInstuction for all primitive arithmetic types.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Adds –X:CompilationThreshold option that sets the number of iterations before we start compiling code. <o:p></o:p></p><p class=MsoNormal>Obsoletes InterpretedMode, NoAdaptiveCompilation and PerfStats properties on LanguageSetup. The options can still be set via dictionary.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Reduces the number of instruction instances that are executed at least once during the run of “mspec ci core” from 1,274,454 to 280,684.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Tomas<o:p></o:p></p></div></body></html>