Mercurial > hg > CbC > CbC_llvm

comparison lib/Target/PowerPC/PPCScheduleA2.td @ 120:1172e4bd9c6f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents 60c9769439b8
children c2174574ed3a
comparison
equal deleted inserted replaced
101:34baf5011add 120:1172e4bd9c6f
1 //===- PPCScheduleA2.td - PPC A2 Scheduling Definitions --*- tablegen -*-===// 1 //===- PPCScheduleA2.td - PPC A2 Scheduling Definitions --*- tablegen -*-===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // The LLVM Compiler Infrastructure
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 9
10 // Primary reference: 10 // Primary reference:
11 // A2 Processor User's Manual. 11 // A2 Processor User's Manual.
12 // IBM (as updated in) 2010. 12 // IBM (as updated in) 2010.
158 // ===---------------------------------------------------------------------===// 158 // ===---------------------------------------------------------------------===//
159 // A2 machine model for scheduling and other instruction cost heuristics. 159 // A2 machine model for scheduling and other instruction cost heuristics.
160 160
161 def PPCA2Model : SchedMachineModel { 161 def PPCA2Model : SchedMachineModel {
162 let IssueWidth = 1; // 1 instruction is dispatched per cycle. 162 let IssueWidth = 1; // 1 instruction is dispatched per cycle.
163 let MinLatency = -1; // OperandCycles are interpreted as MinLatency.
164 let LoadLatency = 6; // Optimistic load latency assuming bypass. 163 let LoadLatency = 6; // Optimistic load latency assuming bypass.
165 // This is overriden by OperandCycles if the 164 // This is overriden by OperandCycles if the
166 // Itineraries are queried instead. 165 // Itineraries are queried instead.
167 let MispredictPenalty = 13; 166 let MispredictPenalty = 13;
168 167
168 let CompleteModel = 0;
169
169 let Itineraries = PPCA2Itineraries; 170 let Itineraries = PPCA2Itineraries;
170 } 171 }
171 172