[llvm-commits] [llvm] r78563 - in /llvm/trunk: include/llvm/CodeGen/ScheduleHazardRecognizer.h include/llvm/Target/TargetInstrItineraries.h lib/CodeGen/CMakeLists.txt lib/CodeGen/ExactHazardRecognizer.cpp lib/CodeGen/ExactHazardRecognizer.h lib/CodeGen/PostRASchedulerList.cpp lib/CodeGen/ScheduleDAGInstrs.cpp lib/CodeGen/SimpleHazardRecognizer.h

[Bill Wendling]

Hi David,

> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/lib/CodeGen/ExactHazardRecognizer.cpp (added)
> +++ llvm/trunk/lib/CodeGen/ExactHazardRecognizer.cpp Mon Aug 10  
> 10:55:25 2009
> @@ -0,0 +1,149 @@
> +//===----- ExactHazardRecognizer.cpp - hazard recognizer --------  
> ---------===//
> +//
> +//                     The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open  
> Source
> +// License. See LICENSE.TXT for details.
> +//
> +// 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> +//
> +// This implements a a hazard recognizer using the instructions  
> itineraries
> +// defined for the current target.
> +//
> +// 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> +
> +

> +  Scoreboard = new unsigned[ScoreboardDepth];
> +  ScoreboardHead = 0;
> +
> +  DOUT << "Using exact hazard recognizer: ScoreboardDepth = "
> +       << ScoreboardDepth << '\n';
> +}

A general comment, the use of "DOUT" is deprecated. Please use  
"DEBUG(errs() << ...); instead.

-bw