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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@611 91177308-0d34-0410-b5e6-96231b3b80d8
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Vikram S. Adve 2001-09-18 12:52:03 +00:00
parent f0ba28045f
commit fe30f1f664
2 changed files with 38 additions and 38 deletions
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38
lib/CodeGen/InstrSched/SchedPriorities.cpp
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@ -1,22 +1,22 @@
/* -*-C++-*-
****************************************************************************
* File:
* SchedPriorities.h
*
* Purpose:
* Encapsulate heuristics for instruction scheduling.
*
* Strategy:
* Priority ordering rules:
* (1) Max delay, which is the order of the heap S.candsAsHeap.
* (2) Instruction that frees up a register.
* (3) Instruction that has the maximum number of dependent instructions.
* Note that rules 2 and 3 are only used if issue conflicts prevent
* choosing a higher priority instruction by rule 1.
*
* History:
* 7/30/01 - Vikram Adve - Created
***************************************************************************/
// $Id$ -*-C++-*-
//***************************************************************************
// File:
// SchedPriorities.h
//
// Purpose:
// Encapsulate heuristics for instruction scheduling.
//
// Strategy:
// Priority ordering rules:
// (1) Max delay, which is the order of the heap S.candsAsHeap.
// (2) Instruction that frees up a register.
// (3) Instruction that has the maximum number of dependent instructions.
// Note that rules 2 and 3 are only used if issue conflicts prevent
// choosing a higher priority instruction by rule 1.
//
// History:
// 7/30/01 - Vikram Adve - Created
//**************************************************************************/
#include "SchedPriorities.h"

38
lib/Target/SparcV9/InstrSched/SchedPriorities.cpp
View File

@ -1,22 +1,22 @@
/* -*-C++-*-
****************************************************************************
* File:
* SchedPriorities.h
*
* Purpose:
* Encapsulate heuristics for instruction scheduling.
*
* Strategy:
* Priority ordering rules:
* (1) Max delay, which is the order of the heap S.candsAsHeap.
* (2) Instruction that frees up a register.
* (3) Instruction that has the maximum number of dependent instructions.
* Note that rules 2 and 3 are only used if issue conflicts prevent
* choosing a higher priority instruction by rule 1.
*
* History:
* 7/30/01 - Vikram Adve - Created
***************************************************************************/
// $Id$ -*-C++-*-
//***************************************************************************
// File:
// SchedPriorities.h
//
// Purpose:
// Encapsulate heuristics for instruction scheduling.
//
// Strategy:
// Priority ordering rules:
// (1) Max delay, which is the order of the heap S.candsAsHeap.
// (2) Instruction that frees up a register.
// (3) Instruction that has the maximum number of dependent instructions.
// Note that rules 2 and 3 are only used if issue conflicts prevent
// choosing a higher priority instruction by rule 1.
//
// History:
// 7/30/01 - Vikram Adve - Created
//**************************************************************************/
#include "SchedPriorities.h"