14bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey//===- SubtargetEmitter.cpp - Generate subtarget enumerations -------------===// 24bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 34bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// The LLVM Compiler Infrastructure 44bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 53060910e290949a9ac5eda8726d030790c4d60ffChris Lattner// This file is distributed under the University of Illinois Open Source 63060910e290949a9ac5eda8726d030790c4d60ffChris Lattner// License. See LICENSE.TXT for details. 74bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 84bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey//===----------------------------------------------------------------------===// 94bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 103d87811ce0381c3364ce10aed77de8231a03bc48Chris Lattner// This tablegen backend emits subtarget enumerations. 114bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 124bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey//===----------------------------------------------------------------------===// 134bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 14fe05d98c253676d1ae6e0f03efde6b75fdae105dAndrew Trick#define DEBUG_TYPE "subtarget-emitter" 15fe05d98c253676d1ae6e0f03efde6b75fdae105dAndrew Trick 164bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "CodeGenTarget.h" 172661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick#include "CodeGenSchedule.h" 1840096d26937cd47c865464bef7b28550bc20c631Andrew Trick#include "llvm/ADT/STLExtras.h" 194ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/ADT/StringExtras.h" 206f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/MC/MCInstrItineraries.h" 214ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/Support/Debug.h" 224ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/Support/Format.h" 2340096d26937cd47c865464bef7b28550bc20c631Andrew Trick#include "llvm/TableGen/Error.h" 246f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/TableGen/Record.h" 256f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/TableGen/TableGenBackend.h" 269489c04efc47a68af65e226e50f03d488094ffceJeff Cohen#include <algorithm> 276f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <map> 286f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <string> 296f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <vector> 304bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskeyusing namespace llvm; 314bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 326f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace { 336f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenclass SubtargetEmitter { 3452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Each processor has a SchedClassDesc table with an entry for each SchedClass. 3552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // The SchedClassDesc table indexes into a global write resource table, write 3652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // latency table, and read advance table. 3752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick struct SchedClassTables { 3852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<std::vector<MCSchedClassDesc> > ProcSchedClasses; 3952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry> WriteProcResources; 4052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry> WriteLatencies; 413b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::vector<std::string> WriterNames; 4252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry> ReadAdvanceEntries; 4352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 4452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Reserve an invalid entry at index 0 4552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables() { 4652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ProcSchedClasses.resize(1); 4752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.resize(1); 4852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.resize(1); 493b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.push_back("InvalidWrite"); 5052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.resize(1); 5152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 5252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick }; 5352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 5452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick struct LessWriteProcResources { 5552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick bool operator()(const MCWriteProcResEntry &LHS, 5652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const MCWriteProcResEntry &RHS) { 5752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick return LHS.ProcResourceIdx < RHS.ProcResourceIdx; 5852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 5952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick }; 606f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 616f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen RecordKeeper &Records; 622661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick CodeGenSchedModels &SchedModels; 636f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen std::string Target; 646f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits); 666f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned FeatureKeyValues(raw_ostream &OS); 676f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned CPUKeyValues(raw_ostream &OS); 686f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryStageString(const std::string &Names, 696f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen Record *ItinData, std::string &ItinString, 706f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned &NStages); 716f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryOperandCycleString(Record *ItinData, std::string &ItinString, 726f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned &NOperandCycles); 736f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryBypassString(const std::string &Names, 746f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen Record *ItinData, 756f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen std::string &ItinString, unsigned NOperandCycles); 762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitStageAndOperandCycleData(raw_ostream &OS, 772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists); 792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitItineraries(raw_ostream &OS, 802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 812661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists); 822661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitProcessorProp(raw_ostream &OS, const Record *R, const char *Name, 836f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen char Separator); 8440096d26937cd47c865464bef7b28550bc20c631Andrew Trick void EmitProcessorResources(const CodeGenProcModel &ProcModel, 8540096d26937cd47c865464bef7b28550bc20c631Andrew Trick raw_ostream &OS); 8692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *FindWriteResources(const CodeGenSchedRW &SchedWrite, 8752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const CodeGenProcModel &ProcModel); 8892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *FindReadAdvance(const CodeGenSchedRW &SchedRead, 8992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenProcModel &ProcModel); 901754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick void ExpandProcResources(RecVec &PRVec, std::vector<int64_t> &Cycles, 911754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick const CodeGenProcModel &ProcModel); 9252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick void GenSchedClassTables(const CodeGenProcModel &ProcModel, 9352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables &SchedTables); 94544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick void EmitSchedClassTables(SchedClassTables &SchedTables, raw_ostream &OS); 952661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitProcessorModels(raw_ostream &OS); 966f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void EmitProcessorLookup(raw_ostream &OS); 974d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick void EmitSchedModelHelpers(std::string ClassName, raw_ostream &OS); 982661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitSchedModel(raw_ostream &OS); 996f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void ParseFeaturesFunction(raw_ostream &OS, unsigned NumFeatures, 1006f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned NumProcs); 1016f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1026f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenpublic: 1032661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SubtargetEmitter(RecordKeeper &R, CodeGenTarget &TGT): 1042661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Records(R), SchedModels(TGT.getSchedModels()), Target(TGT.getName()) {} 1056f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1066f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void run(raw_ostream &o); 1076f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1086f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen}; 1096f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End anonymous namespace 1106f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1117dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 112581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// Enumeration - Emit the specified class as an enumeration. 113b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 1141a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::Enumeration(raw_ostream &OS, 115581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey const char *ClassName, 116581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey bool isBits) { 117908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get all records of class and sort 118f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> DefList = Records.getAllDerivedDefinitions(ClassName); 11942d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(DefList.begin(), DefList.end(), LessRecord()); 1204bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 121b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng unsigned N = DefList.size(); 12294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (N == 0) 12394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return; 124b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng if (N > 64) { 125b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng errs() << "Too many (> 64) subtarget features!\n"; 126b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng exit(1); 127b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng } 128b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng 12994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace " << Target << " {\n"; 13094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 131ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For bit flag enumerations with more than 32 items, emit constants. 132ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Emit an enum for everything else. 133ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (isBits && N > 32) { 134ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For each record 135ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen for (unsigned i = 0; i < N; i++) { 136ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Next record 137ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen Record *Def = DefList[i]; 13894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 139ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Get and emit name and expression (1 << i) 140ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << " const uint64_t " << Def->getName() << " = 1ULL << " << i << ";\n"; 141ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 142ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } else { 143ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Open enumeration 144ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "enum {\n"; 145da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 146ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For each record 147ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen for (unsigned i = 0; i < N;) { 148ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Next record 149ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen Record *Def = DefList[i]; 150da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 151ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Get and emit name 152ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << " " << Def->getName(); 153908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 154ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // If bit flags then emit expression (1 << i) 155ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (isBits) OS << " = " << " 1ULL << " << i; 156da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 157ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Depending on 'if more in the list' emit comma 158ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (++i < N) OS << ","; 159ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen 160ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "\n"; 161ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 162da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 163ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Close enumeration 164ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "};\n"; 165ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 16694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 16794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "}\n"; 168b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 169b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 170b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 1714222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// FeatureKeyValues - Emit data of all the subtarget features. Used by the 1724222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// command line. 173b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 17494214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengunsigned SubtargetEmitter::FeatureKeyValues(raw_ostream &OS) { 175908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort all the features 176f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> FeatureList = 177f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 17894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 17994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (FeatureList.empty()) 18094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return 0; 18194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 1827c9a7728d9dd248ebee8f2dd969d303711d487a9Jim Grosbach std::sort(FeatureList.begin(), FeatureList.end(), LessRecordFieldName()); 183b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 184908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin feature table 185581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU features.\n" 1861a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetFeatureKV " << Target 1871a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "FeatureKV[] = {\n"; 188da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 189908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each feature 19094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures = 0; 191dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey for (unsigned i = 0, N = FeatureList.size(); i < N; ++i) { 192f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next feature 193f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Feature = FeatureList[i]; 194f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 1954222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Feature->getName(); 1964222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &CommandLineName = Feature->getValueAsString("Name"); 1974222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Desc = Feature->getValueAsString("Desc"); 198da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 199dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if (CommandLineName.empty()) continue; 200da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 201da4231f134989af7dc6bd3408821ba573def27b2Jim Grosbach // Emit as { "feature", "description", featureEnum, i1 | i2 | ... | in } 202b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 203f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey << "\"" << CommandLineName << "\", " 204b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Desc << "\", " 20594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "::" << Name << ", "; 2064222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 207da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick const std::vector<Record*> &ImpliesList = 2084222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling Feature->getValueAsListOfDefs("Implies"); 209da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 2104222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (ImpliesList.empty()) { 211b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << "0ULL"; 2124222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } else { 2134222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling for (unsigned j = 0, M = ImpliesList.size(); j < M;) { 21494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "::" << ImpliesList[j]->getName(); 2154222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (++j < M) OS << " | "; 2164222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 2174222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 2184222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 2194222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << " }"; 22094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng ++NumFeatures; 221da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 22210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 223dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if ((i + 1) < N) OS << ","; 224da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 225f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 226b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } 227da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 228908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End feature table 229b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 230b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 23194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return NumFeatures; 232b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 233b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 234b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 235b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// CPUKeyValues - Emit data of all the subtarget processors. Used by command 236b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// line. 237b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 23894214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengunsigned SubtargetEmitter::CPUKeyValues(raw_ostream &OS) { 239908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort processor information 240f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> ProcessorList = 241f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("Processor"); 24242d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 243b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 244908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin processor table 245581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU subtype.\n" 2461a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetFeatureKV " << Target 2471a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "SubTypeKV[] = {\n"; 248da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 249908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each processor 250f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 251f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next processor 252f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Processor = ProcessorList[i]; 253f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 2544222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 255da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick const std::vector<Record*> &FeatureList = 256b0e103d46bf8799ac5523157a6ed4a78d1751a89Chris Lattner Processor->getValueAsListOfDefs("Features"); 257da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 258908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit as { "cpu", "description", f1 | f2 | ... fn }, 259b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 260b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Name << "\", " 261b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"Select the " << Name << " processor\", "; 262da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 263f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (FeatureList.empty()) { 264b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << "0ULL"; 265b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } else { 266f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = FeatureList.size(); j < M;) { 26794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "::" << FeatureList[j]->getName(); 268f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) OS << " | "; 2694bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 2704bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 271da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 2724222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling // The "0" is for the "implies" section of this data structure. 273b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << ", 0ULL }"; 274da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 27510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 276f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++i < N) OS << ","; 277da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 278f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 2794bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 280da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 281908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End processor table 282b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 283b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 28494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return ProcessorList.size(); 2854bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey} 286b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 287581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 288fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// FormItineraryStageString - Compose a string containing the stage 289fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// data initialization for the specified itinerary. N is the number 290fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// of stages. 2910d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 292928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikovvoid SubtargetEmitter::FormItineraryStageString(const std::string &Name, 293928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov Record *ItinData, 294fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string &ItinString, 295fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned &NStages) { 296f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get states list 2974222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &StageList = 2984222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling ItinData->getValueAsListOfDefs("Stages"); 299908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 300908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each stage 301f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned N = NStages = StageList.size(); 3028dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb for (unsigned i = 0; i < N;) { 303f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next stage 3044222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const Record *Stage = StageList[i]; 305da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 30696085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov // Form string as ,{ cycles, u1 | u2 | ... | un, timeinc, kind } 3070d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey int Cycles = Stage->getValueAsInt("Cycles"); 3087f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey ItinString += " { " + itostr(Cycles) + ", "; 309da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 310f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get unit list 3114222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &UnitList = Stage->getValueAsListOfDefs("Units"); 312da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 313908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each unit 314f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = UnitList.size(); j < M;) { 315f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Add name and bitwise or 316928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov ItinString += Name + "FU::" + UnitList[j]->getName(); 317f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) ItinString += " | "; 3180d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 319da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 3201a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin int TimeInc = Stage->getValueAsInt("TimeInc"); 3211a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin ItinString += ", " + itostr(TimeInc); 3221a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin 32396085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov int Kind = Stage->getValueAsInt("Kind"); 32496085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov ItinString += ", (llvm::InstrStage::ReservationKinds)" + itostr(Kind); 32596085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov 326908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Close off stage 327908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey ItinString += " }"; 3288dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb if (++i < N) ItinString += ", "; 3290d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3300d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 3310d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 3320d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 333fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// FormItineraryOperandCycleString - Compose a string containing the 334fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// operand cycle initialization for the specified itinerary. N is the 335fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// number of operands that has cycles specified. 3360d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 337fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwinvoid SubtargetEmitter::FormItineraryOperandCycleString(Record *ItinData, 338fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string &ItinString, unsigned &NOperandCycles) { 339fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Get operand cycle list 340fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin const std::vector<int64_t> &OperandCycleList = 341fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinData->getValueAsListOfInts("OperandCycles"); 342fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 343fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // For each operand cycle 344fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned N = NOperandCycles = OperandCycleList.size(); 345fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin for (unsigned i = 0; i < N;) { 346fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Next operand cycle 347fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin const int OCycle = OperandCycleList[i]; 348da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 349fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinString += " " + itostr(OCycle); 350fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (++i < N) ItinString += ", "; 351fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 352fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin} 353fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 35463d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Chengvoid SubtargetEmitter::FormItineraryBypassString(const std::string &Name, 35563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng Record *ItinData, 35663d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng std::string &ItinString, 35763d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng unsigned NOperandCycles) { 35863d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng const std::vector<Record*> &BypassList = 35963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinData->getValueAsListOfDefs("Bypasses"); 36063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng unsigned N = BypassList.size(); 3613881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng unsigned i = 0; 3623881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (; i < N;) { 36363d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinString += Name + "Bypass::" + BypassList[i]->getName(); 3643881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (++i < NOperandCycles) ItinString += ", "; 36563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng } 3663881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (; i < NOperandCycles;) { 36763d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinString += " 0"; 3683881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (++i < NOperandCycles) ItinString += ", "; 36963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng } 37063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng} 37163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 372fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// 3732661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitStageAndOperandCycleData - Generate unique itinerary stages and operand 3742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// cycle tables. Create a list of InstrItinerary objects (ProcItinLists) indexed 3752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// by CodeGenSchedClass::Index. 376fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// 3772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter:: 3782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew TrickEmitStageAndOperandCycleData(raw_ostream &OS, 3792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 3802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists) { 381908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 382cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick // Multiple processor models may share an itinerary record. Emit it once. 383cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick SmallPtrSet<Record*, 8> ItinsDefSet; 384cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 385928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov // Emit functional units for all the itineraries. 3862661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 3872661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 388928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 389cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick if (!ItinsDefSet.insert(PI->ItinsDef)) 390cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick continue; 391cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 3922661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<Record*> FUs = PI->ItinsDef->getValueAsListOfDefs("FU"); 393928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov if (FUs.empty()) 394928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov continue; 395928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 3962661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = PI->ItinsDef->getName(); 3972661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n// Functional units for \"" << Name << "\"\n" 398928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov << "namespace " << Name << "FU {\n"; 399928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 400928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov for (unsigned j = 0, FUN = FUs.size(); j < FUN; ++j) 401b460a3382961c5be9952a75d46228f624edbd39fHal Finkel OS << " const unsigned " << FUs[j]->getName() 402b460a3382961c5be9952a75d46228f624edbd39fHal Finkel << " = 1 << " << j << ";\n"; 403928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 404928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov OS << "}\n"; 40563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4062661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<Record*> BPs = PI->ItinsDef->getValueAsListOfDefs("BP"); 4073881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (BPs.size()) { 4083881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng OS << "\n// Pipeline forwarding pathes for itineraries \"" << Name 4093881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng << "\"\n" << "namespace " << Name << "Bypass {\n"; 41063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4111a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << " const unsigned NoBypass = 0;\n"; 4123881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (unsigned j = 0, BPN = BPs.size(); j < BPN; ++j) 4131a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << " const unsigned " << BPs[j]->getName() 4143881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng << " = 1 << " << j << ";\n"; 41563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4163881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng OS << "}\n"; 4173881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng } 418928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov } 419928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 420908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin stages table 4211a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string StageTable = "\nextern const llvm::InstrStage " + Target + 4221a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer "Stages[] = {\n"; 42396085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov StageTable += " { 0, 0, 0, llvm::InstrStage::Required }, // No itinerary\n"; 424da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 425fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Begin operand cycle table 4261a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string OperandCycleTable = "extern const unsigned " + Target + 42794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng "OperandCycles[] = {\n"; 428fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleTable += " 0, // No itinerary\n"; 42963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 43063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng // Begin pipeline bypass table 4311a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string BypassTable = "extern const unsigned " + Target + 432a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick "ForwardingPaths[] = {\n"; 4332661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick BypassTable += " 0, // No itinerary\n"; 434da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 4352661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each Itinerary across all processors, add a unique entry to the stages, 4362661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // operand cycles, and pipepine bypess tables. Then add the new Itinerary 4372661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // object with computed offsets to the ProcItinLists result. 438fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned StageCount = 1, OperandCycleCount = 1; 4393881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng std::map<std::string, unsigned> ItinStageMap, ItinOperandMap; 4402661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 4412661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 4422661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const CodeGenProcModel &ProcModel = *PI; 443da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 4442661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Add process itinerary to the list. 4452661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ProcItinLists.resize(ProcItinLists.size()+1); 446d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick 4472661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // If this processor defines no itineraries, then leave the itinerary list 4482661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // empty. 4492661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<InstrItinerary> &ItinList = ProcItinLists.back(); 4501ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (!ProcModel.hasItineraries()) 451d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick continue; 452d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick 4532661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = ProcModel.ItinsDef->getName(); 454da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 4551ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick ItinList.resize(SchedModels.numInstrSchedClasses()); 4561ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick assert(ProcModel.ItinDefList.size() == ItinList.size() && "bad Itins"); 4571ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick 4581ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick for (unsigned SchedClassIdx = 0, SchedClassEnd = ItinList.size(); 4592661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SchedClassIdx < SchedClassEnd; ++SchedClassIdx) { 4602661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 461f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next itinerary data 4622661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Record *ItinData = ProcModel.ItinDefList[SchedClassIdx]; 463da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 464908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get string and stage count 465fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string ItinStageString; 4662661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick unsigned NStages = 0; 4672661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinData) 4682661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryStageString(Name, ItinData, ItinStageString, NStages); 469fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 470fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Get string and operand cycle count 471fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string ItinOperandCycleString; 4722661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick unsigned NOperandCycles = 0; 47363d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng std::string ItinBypassString; 4742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinData) { 4752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryOperandCycleString(ItinData, ItinOperandCycleString, 4762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick NOperandCycles); 4772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 4782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryBypassString(Name, ItinData, ItinBypassString, 4792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick NOperandCycles); 4802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 48163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 482fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Check to see if stage already exists and create if it doesn't 483fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned FindStage = 0; 484fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (NStages > 0) { 485fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin FindStage = ItinStageMap[ItinStageString]; 486fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (FindStage == 0) { 487234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick // Emit as { cycles, u1 | u2 | ... | un, timeinc }, // indices 488234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += ItinStageString + ", // " + itostr(StageCount); 489234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick if (NStages > 1) 490234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += "-" + itostr(StageCount + NStages - 1); 491234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += "\n"; 492fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Record Itin class number. 493fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinStageMap[ItinStageString] = FindStage = StageCount; 494fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin StageCount += NStages; 495fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 496fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 497da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 498fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Check to see if operand cycle already exists and create if it doesn't 499fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned FindOperandCycle = 0; 500fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (NOperandCycles > 0) { 5013881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng std::string ItinOperandString = ItinOperandCycleString+ItinBypassString; 5023881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng FindOperandCycle = ItinOperandMap[ItinOperandString]; 503fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (FindOperandCycle == 0) { 504fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Emit as cycle, // index 505234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandCycleTable += ItinOperandCycleString + ", // "; 506234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick std::string OperandIdxComment = itostr(OperandCycleCount); 507234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick if (NOperandCycles > 1) 508234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandIdxComment += "-" 509234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick + itostr(OperandCycleCount + NOperandCycles - 1); 510234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandCycleTable += OperandIdxComment + "\n"; 511fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Record Itin class number. 512da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick ItinOperandMap[ItinOperandCycleString] = 513fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin FindOperandCycle = OperandCycleCount; 51463d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng // Emit as bypass, // index 515234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick BypassTable += ItinBypassString + ", // " + OperandIdxComment + "\n"; 516fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleCount += NOperandCycles; 517fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 5180d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 519da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5205f54ce347368105260be2cec497b6a4199dc5789Evan Cheng // Set up itinerary as location and location + stage count 5212661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick int NumUOps = ItinData ? ItinData->getValueAsInt("NumMicroOps") : 0; 5225f54ce347368105260be2cec497b6a4199dc5789Evan Cheng InstrItinerary Intinerary = { NumUOps, FindStage, FindStage + NStages, 5235f54ce347368105260be2cec497b6a4199dc5789Evan Cheng FindOperandCycle, 5245f54ce347368105260be2cec497b6a4199dc5789Evan Cheng FindOperandCycle + NOperandCycles}; 5255f54ce347368105260be2cec497b6a4199dc5789Evan Cheng 526908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Inject - empty slots will be 0, 0 5272661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ItinList[SchedClassIdx] = Intinerary; 5280d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 5290d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 53063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 5317f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey // Closing stage 5322661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick StageTable += " { 0, 0, 0, llvm::InstrStage::Required } // End stages\n"; 533fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin StageTable += "};\n"; 534fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 535fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Closing operand cycles 5362661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OperandCycleTable += " 0 // End operand cycles\n"; 537fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleTable += "};\n"; 538fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 5392661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick BypassTable += " 0 // End bypass tables\n"; 54063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng BypassTable += "};\n"; 54163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 542fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Emit tables. 543fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OS << StageTable; 544fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OS << OperandCycleTable; 54563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng OS << BypassTable; 5460d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 5470d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 5480d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 5492661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitProcessorData - Generate data for processor itineraries that were 5502661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// computed during EmitStageAndOperandCycleData(). ProcItinLists lists all 5512661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// Itineraries for each processor. The Itinerary lists are indexed on 5522661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// CodeGenSchedClass::Index. 5530d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 554234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trickvoid SubtargetEmitter:: 5552661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew TrickEmitItineraries(raw_ostream &OS, 5562661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > &ProcItinLists) { 557fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick 558cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick // Multiple processor models may share an itinerary record. Emit it once. 559cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick SmallPtrSet<Record*, 8> ItinsDefSet; 560cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 5612661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each processor's machine model 562f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> >::iterator 5632661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ProcItinListsIter = ProcItinLists.begin(); 5642661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 56548605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI, ++ProcItinListsIter) { 566cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 5672661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Record *ItinsDef = PI->ItinsDef; 568cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick if (!ItinsDefSet.insert(ItinsDef)) 569cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick continue; 570f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 571908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get processor itinerary name 5722661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = ItinsDef->getName(); 573da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Get the itinerary list for the processor. 5752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick assert(ProcItinListsIter != ProcItinLists.end() && "bad iterator"); 57648605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick std::vector<InstrItinerary> &ItinList = *ProcItinListsIter; 577fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick 5782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n"; 5792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "static const llvm::InstrItinerary "; 5802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinList.empty()) { 5812661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << '*' << Name << " = 0;\n"; 5822661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick continue; 5832661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 584da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5852661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Begin processor itinerary table 5862661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << Name << "[] = {\n"; 5872661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 5882661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each itinerary class in CodeGenSchedClass::Index order. 5892661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (unsigned j = 0, M = ItinList.size(); j < M; ++j) { 5902661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick InstrItinerary &Intinerary = ItinList[j]; 5912661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 5922661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Emit Itinerary in the form of 5932661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // { firstStage, lastStage, firstCycle, lastCycle } // index 5942661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " { " << 5952661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.NumMicroOps << ", " << 5962661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.FirstStage << ", " << 5972661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.LastStage << ", " << 5982661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.FirstOperandCycle << ", " << 5992661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.LastOperandCycle << " }" << 6002661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ", // " << j << " " << SchedModels.getSchedClass(j).Name << "\n"; 6010d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 6022661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // End processor itinerary table 6032661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " { 0, ~0U, ~0U, ~0U, ~0U } // end marker\n"; 604fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick OS << "};\n"; 6050d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 60610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey} 60710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 608c8e41c591741b3da1077f7000274ad040bef8002Sylvestre Ledru// Emit either the value defined in the TableGen Record, or the default 6092661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// value defined in the C++ header. The Record is null if the processor does not 6102661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// define a model. 6112661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitProcessorProp(raw_ostream &OS, const Record *R, 6122661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const char *Name, char Separator) { 6132661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " "; 6142661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick int V = R ? R->getValueAsInt(Name) : -1; 6152661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (V >= 0) 6162661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << V << Separator << " // " << Name; 6172661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick else 6182661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "MCSchedModel::Default" << Name << Separator; 6192661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << '\n'; 6202661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick} 6212661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 62240096d26937cd47c865464bef7b28550bc20c631Andrew Trickvoid SubtargetEmitter::EmitProcessorResources(const CodeGenProcModel &ProcModel, 62340096d26937cd47c865464bef7b28550bc20c631Andrew Trick raw_ostream &OS) { 62440096d26937cd47c865464bef7b28550bc20c631Andrew Trick char Sep = ProcModel.ProcResourceDefs.empty() ? ' ' : ','; 62540096d26937cd47c865464bef7b28550bc20c631Andrew Trick 6266312cb099734263f348f36a31b8892b1373a7076Andrew Trick OS << "\n// {Name, NumUnits, SuperIdx, IsBuffered}\n"; 62740096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "static const llvm::MCProcResourceDesc " 62840096d26937cd47c865464bef7b28550bc20c631Andrew Trick << ProcModel.ModelName << "ProcResources" << "[] = {\n" 6296312cb099734263f348f36a31b8892b1373a7076Andrew Trick << " {DBGFIELD(\"InvalidUnit\") 0, 0, 0}" << Sep << "\n"; 63040096d26937cd47c865464bef7b28550bc20c631Andrew Trick 63140096d26937cd47c865464bef7b28550bc20c631Andrew Trick for (unsigned i = 0, e = ProcModel.ProcResourceDefs.size(); i < e; ++i) { 63240096d26937cd47c865464bef7b28550bc20c631Andrew Trick Record *PRDef = ProcModel.ProcResourceDefs[i]; 63340096d26937cd47c865464bef7b28550bc20c631Andrew Trick 63440096d26937cd47c865464bef7b28550bc20c631Andrew Trick Record *SuperDef = 0; 6351754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick unsigned SuperIdx = 0; 6361754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick unsigned NumUnits = 0; 637a3d82ce19fd825cbf3bf85b5969424217fc40b45Andrew Trick int BufferSize = PRDef->getValueAsInt("BufferSize"); 6381754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick if (PRDef->isSubClassOf("ProcResGroup")) { 6391754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick RecVec ResUnits = PRDef->getValueAsListOfDefs("Resources"); 6401754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick for (RecIter RUI = ResUnits.begin(), RUE = ResUnits.end(); 6411754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick RUI != RUE; ++RUI) { 6421754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick NumUnits += (*RUI)->getValueAsInt("NumUnits"); 6431754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 6441754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 6451754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick else { 6461754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick // Find the SuperIdx 6471754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick if (PRDef->getValueInit("Super")->isComplete()) { 6481754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick SuperDef = SchedModels.findProcResUnits( 6491754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick PRDef->getValueAsDef("Super"), ProcModel); 6501754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick SuperIdx = ProcModel.getProcResourceIdx(SuperDef); 6511754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 652157c6c4e8e0b4f5f83289d32f7b67b1ae2e3c357Andrew Trick NumUnits = PRDef->getValueAsInt("NumUnits"); 65340096d26937cd47c865464bef7b28550bc20c631Andrew Trick } 65440096d26937cd47c865464bef7b28550bc20c631Andrew Trick // Emit the ProcResourceDesc 65540096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (i+1 == e) 65640096d26937cd47c865464bef7b28550bc20c631Andrew Trick Sep = ' '; 65740096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " {DBGFIELD(\"" << PRDef->getName() << "\") "; 65840096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (PRDef->getName().size() < 15) 65940096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS.indent(15 - PRDef->getName().size()); 6601754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick OS << NumUnits << ", " << SuperIdx << ", " 661b86a0cdb674549d8493043331cecd9cbf53b80daAndrew Trick << BufferSize << "}" << Sep << " // #" << i+1; 66240096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (SuperDef) 66340096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << ", Super=" << SuperDef->getName(); 66440096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "\n"; 66540096d26937cd47c865464bef7b28550bc20c631Andrew Trick } 66640096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "};\n"; 66740096d26937cd47c865464bef7b28550bc20c631Andrew Trick} 66840096d26937cd47c865464bef7b28550bc20c631Andrew Trick 66952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// Find the WriteRes Record that defines processor resources for this 67052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// SchedWrite. 67152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew TrickRecord *SubtargetEmitter::FindWriteResources( 67292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &SchedWrite, const CodeGenProcModel &ProcModel) { 67352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 67452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check if the SchedWrite is already subtarget-specific and directly 67552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // specifies a set of processor resources. 67692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (SchedWrite.TheDef->isSubClassOf("SchedWriteRes")) 67792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return SchedWrite.TheDef; 67892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick 67992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *AliasDef = 0; 68092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick for (RecIter AI = SchedWrite.Aliases.begin(), AE = SchedWrite.Aliases.end(); 68192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AI != AE; ++AI) { 68292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &AliasRW = 68392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick SchedModels.getSchedRW((*AI)->getValueAsDef("AliasRW")); 6842062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick if (AliasRW.TheDef->getValueInit("SchedModel")->isComplete()) { 6852062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick Record *ModelDef = AliasRW.TheDef->getValueAsDef("SchedModel"); 6862062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick if (&SchedModels.getProcModel(ModelDef) != &ProcModel) 6872062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick continue; 6882062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick } 68992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef) 69061131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(AliasRW.TheDef->getLoc(), "Multiple aliases " 69192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "defined for processor " + ProcModel.ModelName + 69292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick " Ensure only one SchedAlias exists per RW."); 69392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AliasDef = AliasRW.TheDef; 69492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 69592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef && AliasDef->isSubClassOf("SchedWriteRes")) 69692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return AliasDef; 69752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 69852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check this processor's list of write resources. 69992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ResDef = 0; 70052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter WRI = ProcModel.WriteResDefs.begin(), 70152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WRE = ProcModel.WriteResDefs.end(); WRI != WRE; ++WRI) { 70252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!(*WRI)->isSubClassOf("WriteRes")) 70352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 70492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef == (*WRI)->getValueAsDef("WriteType") 70592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick || SchedWrite.TheDef == (*WRI)->getValueAsDef("WriteType")) { 70692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (ResDef) { 70761131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError((*WRI)->getLoc(), "Resources are defined for both " 70892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "SchedWrite and its alias on processor " + 70992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ProcModel.ModelName); 71092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 71192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ResDef = *WRI; 71292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 71352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 71492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // TODO: If ProcModel has a base model (previous generation processor), 71592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // then call FindWriteResources recursively with that model here. 71692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (!ResDef) { 71761131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(ProcModel.ModelDef->getLoc(), 71892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick std::string("Processor does not define resources for ") 71992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick + SchedWrite.TheDef->getName()); 72092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 72192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return ResDef; 72252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 72352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 72452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick/// Find the ReadAdvance record for the given SchedRead on this processor or 72552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick/// return NULL. 72692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew TrickRecord *SubtargetEmitter::FindReadAdvance(const CodeGenSchedRW &SchedRead, 72752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const CodeGenProcModel &ProcModel) { 72852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check for SchedReads that directly specify a ReadAdvance. 72992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (SchedRead.TheDef->isSubClassOf("SchedReadAdvance")) 73092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return SchedRead.TheDef; 73192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick 73292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // Check this processor's list of aliases for SchedRead. 73392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *AliasDef = 0; 73492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick for (RecIter AI = SchedRead.Aliases.begin(), AE = SchedRead.Aliases.end(); 73592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AI != AE; ++AI) { 73692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &AliasRW = 73792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick SchedModels.getSchedRW((*AI)->getValueAsDef("AliasRW")); 7382062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick if (AliasRW.TheDef->getValueInit("SchedModel")->isComplete()) { 7392062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick Record *ModelDef = AliasRW.TheDef->getValueAsDef("SchedModel"); 7402062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick if (&SchedModels.getProcModel(ModelDef) != &ProcModel) 7412062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick continue; 7422062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick } 74392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef) 74461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(AliasRW.TheDef->getLoc(), "Multiple aliases " 74592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "defined for processor " + ProcModel.ModelName + 74692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick " Ensure only one SchedAlias exists per RW."); 74792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AliasDef = AliasRW.TheDef; 74892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 74992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef && AliasDef->isSubClassOf("SchedReadAdvance")) 75092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return AliasDef; 75152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 75252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check this processor's ReadAdvanceList. 75392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ResDef = 0; 75452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter RAI = ProcModel.ReadAdvanceDefs.begin(), 75552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAE = ProcModel.ReadAdvanceDefs.end(); RAI != RAE; ++RAI) { 75652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!(*RAI)->isSubClassOf("ReadAdvance")) 75752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 75892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef == (*RAI)->getValueAsDef("ReadType") 75992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick || SchedRead.TheDef == (*RAI)->getValueAsDef("ReadType")) { 76092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (ResDef) { 76161131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError((*RAI)->getLoc(), "Resources are defined for both " 76292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "SchedRead and its alias on processor " + 76392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ProcModel.ModelName); 76492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 76592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ResDef = *RAI; 76692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 76752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 76892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // TODO: If ProcModel has a base model (previous generation processor), 76992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // then call FindReadAdvance recursively with that model here. 77092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (!ResDef && SchedRead.TheDef->getName() != "ReadDefault") { 77161131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(ProcModel.ModelDef->getLoc(), 77252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::string("Processor does not define resources for ") 77392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick + SchedRead.TheDef->getName()); 77452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 77592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return ResDef; 77652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 77752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 7781754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick// Expand an explicit list of processor resources into a full list of implied 779a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick// resource groups and super resources that cover them. 7801754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trickvoid SubtargetEmitter::ExpandProcResources(RecVec &PRVec, 7811754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick std::vector<int64_t> &Cycles, 782a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick const CodeGenProcModel &PM) { 7831754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick // Default to 1 resource cycle. 7841754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick Cycles.resize(PRVec.size(), 1); 7851754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick for (unsigned i = 0, e = PRVec.size(); i != e; ++i) { 786a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick Record *PRDef = PRVec[i]; 7871754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick RecVec SubResources; 788a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick if (PRDef->isSubClassOf("ProcResGroup")) 789a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick SubResources = PRDef->getValueAsListOfDefs("Resources"); 7901754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick else { 791a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick SubResources.push_back(PRDef); 792a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick PRDef = SchedModels.findProcResUnits(PRVec[i], PM); 793a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick for (Record *SubDef = PRDef; 794a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick SubDef->getValueInit("Super")->isComplete();) { 795a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick if (SubDef->isSubClassOf("ProcResGroup")) { 796a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick // Disallow this for simplicitly. 797a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick PrintFatalError(SubDef->getLoc(), "Processor resource group " 798a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick " cannot be a super resources."); 799a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick } 800a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick Record *SuperDef = 801a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick SchedModels.findProcResUnits(SubDef->getValueAsDef("Super"), PM); 802a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick PRVec.push_back(SuperDef); 803a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick Cycles.push_back(Cycles[i]); 804a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick SubDef = SuperDef; 805a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick } 8061754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 807a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick for (RecIter PRI = PM.ProcResourceDefs.begin(), 808a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick PRE = PM.ProcResourceDefs.end(); 8091754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick PRI != PRE; ++PRI) { 810a809c8db3d052e9b7dfaf8665ab3ce1a0b0dc859Andrew Trick if (*PRI == PRDef || !(*PRI)->isSubClassOf("ProcResGroup")) 8111754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick continue; 8121754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick RecVec SuperResources = (*PRI)->getValueAsListOfDefs("Resources"); 8131754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick RecIter SubI = SubResources.begin(), SubE = SubResources.end(); 8146982bdd1193551e65effa3737f2a29d55e7901a5Andrew Trick for( ; SubI != SubE; ++SubI) { 8156982bdd1193551e65effa3737f2a29d55e7901a5Andrew Trick if (std::find(SuperResources.begin(), SuperResources.end(), *SubI) 8166982bdd1193551e65effa3737f2a29d55e7901a5Andrew Trick == SuperResources.end()) { 8171754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick break; 8186982bdd1193551e65effa3737f2a29d55e7901a5Andrew Trick } 8191754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 8201754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick if (SubI == SubE) { 8211754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick PRVec.push_back(*PRI); 8221754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick Cycles.push_back(Cycles[i]); 8231754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 8241754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 8251754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick } 8261754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick} 8271754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick 82852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// Generate the SchedClass table for this processor and update global 82952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// tables. Must be called for each processor in order. 83052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trickvoid SubtargetEmitter::GenSchedClassTables(const CodeGenProcModel &ProcModel, 83152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables &SchedTables) { 83252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ProcSchedClasses.resize(SchedTables.ProcSchedClasses.size() + 1); 83352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!ProcModel.hasInstrSchedModel()) 83452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick return; 83552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 83652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCSchedClassDesc> &SCTab = SchedTables.ProcSchedClasses.back(); 83752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (CodeGenSchedModels::SchedClassIter SCI = SchedModels.schedClassBegin(), 83852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCE = SchedModels.schedClassEnd(); SCI != SCE; ++SCI) { 839fe05d98c253676d1ae6e0f03efde6b75fdae105dAndrew Trick DEBUG(SCI->dump(&SchedModels)); 840fe05d98c253676d1ae6e0f03efde6b75fdae105dAndrew Trick 84152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCTab.resize(SCTab.size() + 1); 84252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCSchedClassDesc &SCDesc = SCTab.back(); 843e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick // SCDesc.Name is guarded by NDEBUG 84452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = 0; 84552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.BeginGroup = false; 84652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.EndGroup = false; 84752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = 0; 84852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteLatencyIdx = 0; 84952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = 0; 85052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 85152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // A Variant SchedClass has no resources of its own. 85282e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick bool HasVariants = false; 85382e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick for (std::vector<CodeGenSchedTransition>::const_iterator 85482e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick TI = SCI->Transitions.begin(), TE = SCI->Transitions.end(); 85582e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick TI != TE; ++TI) { 85682e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick if (TI->ProcIndices[0] == 0) { 85782e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick HasVariants = true; 85882e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick break; 85982e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick } 86082e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick IdxIter PIPos = std::find(TI->ProcIndices.begin(), 86182e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick TI->ProcIndices.end(), ProcModel.Index); 86282e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick if (PIPos != TI->ProcIndices.end()) { 86382e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick HasVariants = true; 86482e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick break; 86582e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick } 86682e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick } 86782e7c4f533a98a16b0cadd5209c1d3dc8ce33d87Andrew Trick if (HasVariants) { 86852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::VariantNumMicroOps; 86952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 87052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 87152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 87252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Determine if the SchedClass is actually reachable on this processor. If 87352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // not don't try to locate the processor resources, it will fail. 87452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // If ProcIndices contains 0, this class applies to all processors. 87552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(!SCI->ProcIndices.empty() && "expect at least one procidx"); 87652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (SCI->ProcIndices[0] != 0) { 87752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxIter PIPos = std::find(SCI->ProcIndices.begin(), 87852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCI->ProcIndices.end(), ProcModel.Index); 87952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (PIPos == SCI->ProcIndices.end()) 88052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 88152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 88252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec Writes = SCI->Writes; 88352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec Reads = SCI->Reads; 8841ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (!SCI->InstRWs.empty()) { 8851ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick // This class has a default ReadWrite list which can be overriden by 886fe05d98c253676d1ae6e0f03efde6b75fdae105dAndrew Trick // InstRW definitions. 88752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Record *RWDef = 0; 88852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter RWI = SCI->InstRWs.begin(), RWE = SCI->InstRWs.end(); 88952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RWI != RWE; ++RWI) { 89052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Record *RWModelDef = (*RWI)->getValueAsDef("SchedModel"); 89152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (&ProcModel == &SchedModels.getProcModel(RWModelDef)) { 89252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RWDef = *RWI; 89352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 89452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 89552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 89652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (RWDef) { 8972062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick Writes.clear(); 8982062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick Reads.clear(); 89952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedModels.findRWs(RWDef->getValueAsListOfDefs("OperandReadWrites"), 90052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Writes, Reads); 90152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 90252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 9031ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (Writes.empty()) { 9041ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick // Check this processor's itinerary class resources. 9051ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick for (RecIter II = ProcModel.ItinRWDefs.begin(), 9061ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick IE = ProcModel.ItinRWDefs.end(); II != IE; ++II) { 9071ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick RecVec Matched = (*II)->getValueAsListOfDefs("MatchedItinClasses"); 9081ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (std::find(Matched.begin(), Matched.end(), SCI->ItinClassDef) 9091ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick != Matched.end()) { 9101ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick SchedModels.findRWs((*II)->getValueAsListOfDefs("OperandReadWrites"), 9111ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick Writes, Reads); 9121ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick break; 9131ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick } 9141ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick } 9151ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (Writes.empty()) { 9161ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick DEBUG(dbgs() << ProcModel.ModelName 9171ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick << " does not have resources for class " << SCI->Name << '\n'); 9181ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick } 9191ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick } 92052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Sum resources across all operand writes. 92152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry> WriteProcResources; 92252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry> WriteLatencies; 9233b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::vector<std::string> WriterNames; 92452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry> ReadAdvanceEntries; 92552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (IdxIter WI = Writes.begin(), WE = Writes.end(); WI != WE; ++WI) { 92652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec WriteSeq; 9272062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick SchedModels.expandRWSeqForProc(*WI, WriteSeq, /*IsRead=*/false, 9282062b1260fa9df3e69e7b4d24a657a0ebb7f8710Andrew Trick ProcModel); 92952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 93052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // For each operand, create a latency entry. 93152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCWriteLatencyEntry WLEntry; 93252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WLEntry.Cycles = 0; 9333b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick unsigned WriteID = WriteSeq.back(); 9343b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.push_back(SchedModels.getSchedWrite(WriteID).Name); 9353b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick // If this Write is not referenced by a ReadAdvance, don't distinguish it 9363b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick // from other WriteLatency entries. 9371ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (!SchedModels.hasReadOfWrite( 9381ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick SchedModels.getSchedWrite(WriteID).TheDef)) { 9393b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteID = 0; 9403b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 9413b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WLEntry.WriteResourceID = WriteID; 94252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 94352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (IdxIter WSI = WriteSeq.begin(), WSE = WriteSeq.end(); 94452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WSI != WSE; ++WSI) { 94552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 94692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *WriteRes = 94792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick FindWriteResources(SchedModels.getSchedWrite(*WSI), ProcModel); 94852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 94952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Mark the parent class as invalid for unsupported write types. 95052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (WriteRes->getValueAsBit("Unsupported")) { 95152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::InvalidNumMicroOps; 95252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 95352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 95452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WLEntry.Cycles += WriteRes->getValueAsInt("Latency"); 95552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps += WriteRes->getValueAsInt("NumMicroOps"); 95652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.BeginGroup |= WriteRes->getValueAsBit("BeginGroup"); 95752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.EndGroup |= WriteRes->getValueAsBit("EndGroup"); 95852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 95952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Create an entry for each ProcResource listed in WriteRes. 96052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RecVec PRVec = WriteRes->getValueAsListOfDefs("ProcResources"); 96152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<int64_t> Cycles = 96252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteRes->getValueAsListOfInts("ResourceCycles"); 9631754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick 9641754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick ExpandProcResources(PRVec, Cycles, ProcModel); 9651754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick 96652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (unsigned PRIdx = 0, PREnd = PRVec.size(); 96752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick PRIdx != PREnd; ++PRIdx) { 96852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCWriteProcResEntry WPREntry; 96952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WPREntry.ProcResourceIdx = ProcModel.getProcResourceIdx(PRVec[PRIdx]); 97052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(WPREntry.ProcResourceIdx && "Bad ProcResourceIdx"); 9711754aca83af1658c832706889c0e2933f8dfa8eeAndrew Trick WPREntry.Cycles = Cycles[PRIdx]; 972c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick // If this resource is already used in this sequence, add the current 973c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick // entry's cycles so that the same resource appears to be used 974c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick // serially, rather than multiple parallel uses. This is important for 975c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick // in-order machine where the resource consumption is a hazard. 976c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick unsigned WPRIdx = 0, WPREnd = WriteProcResources.size(); 977c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick for( ; WPRIdx != WPREnd; ++WPRIdx) { 978c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick if (WriteProcResources[WPRIdx].ProcResourceIdx 979c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick == WPREntry.ProcResourceIdx) { 980c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick WriteProcResources[WPRIdx].Cycles += WPREntry.Cycles; 981c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick break; 982c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick } 983c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick } 984c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick if (WPRIdx == WPREnd) 985c812110023c714f773cd176f4e4d63b4e9fbdbefAndrew Trick WriteProcResources.push_back(WPREntry); 98652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 98752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 98852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.push_back(WLEntry); 98952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 99052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Create an entry for each operand Read in this SchedClass. 99152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Entries must be sorted first by UseIdx then by WriteResourceID. 99252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (unsigned UseIdx = 0, EndIdx = Reads.size(); 99352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick UseIdx != EndIdx; ++UseIdx) { 99492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ReadAdvance = 99592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick FindReadAdvance(SchedModels.getSchedRead(Reads[UseIdx]), ProcModel); 99652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!ReadAdvance) 99752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 99852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 99952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Mark the parent class as invalid for unsupported write types. 100052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (ReadAdvance->getValueAsBit("Unsupported")) { 100152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::InvalidNumMicroOps; 100252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 100352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 100452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RecVec ValidWrites = ReadAdvance->getValueAsListOfDefs("ValidWrites"); 100552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec WriteIDs; 100652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (ValidWrites.empty()) 100752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteIDs.push_back(0); 100852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 100952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter VWI = ValidWrites.begin(), VWE = ValidWrites.end(); 101052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick VWI != VWE; ++VWI) { 101152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteIDs.push_back(SchedModels.getSchedRWIdx(*VWI, /*IsRead=*/false)); 101252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 101352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 101452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::sort(WriteIDs.begin(), WriteIDs.end()); 101552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for(IdxIter WI = WriteIDs.begin(), WE = WriteIDs.end(); WI != WE; ++WI) { 101652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCReadAdvanceEntry RAEntry; 101752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.UseIdx = UseIdx; 101852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.WriteResourceID = *WI; 101952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.Cycles = ReadAdvance->getValueAsInt("Cycles"); 102052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.push_back(RAEntry); 102152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 102252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 102352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (SCDesc.NumMicroOps == MCSchedClassDesc::InvalidNumMicroOps) { 102452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.clear(); 102552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.clear(); 102652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.clear(); 102752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 102852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Add the information for this SchedClass to the global tables using basic 102952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // compression. 103052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // 103152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // WritePrecRes entries are sorted by ProcResIdx. 103252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::sort(WriteProcResources.begin(), WriteProcResources.end(), 103352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick LessWriteProcResources()); 103452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 103552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumWriteProcResEntries = WriteProcResources.size(); 103652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry>::iterator WPRPos = 103752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.WriteProcResources.begin(), 103852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteProcResources.end(), 103952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.begin(), WriteProcResources.end()); 104052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (WPRPos != SchedTables.WriteProcResources.end()) 104152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = WPRPos - SchedTables.WriteProcResources.begin(); 104252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 104352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = SchedTables.WriteProcResources.size(); 104452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteProcResources.insert(WPRPos, WriteProcResources.begin(), 104552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.end()); 104652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 104752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Latency entries must remain in operand order. 104852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumWriteLatencyEntries = WriteLatencies.size(); 104952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry>::iterator WLPos = 105052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.WriteLatencies.begin(), 105152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteLatencies.end(), 105252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.begin(), WriteLatencies.end()); 10533b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick if (WLPos != SchedTables.WriteLatencies.end()) { 10543b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick unsigned idx = WLPos - SchedTables.WriteLatencies.begin(); 10553b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SCDesc.WriteLatencyIdx = idx; 10563b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick for (unsigned i = 0, e = WriteLatencies.size(); i < e; ++i) 10573b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick if (SchedTables.WriterNames[idx + i].find(WriterNames[i]) == 10583b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::string::npos) { 10593b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriterNames[idx + i] += std::string("_") + WriterNames[i]; 10603b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 10613b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 106252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 106352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteLatencyIdx = SchedTables.WriteLatencies.size(); 10643b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriteLatencies.insert(SchedTables.WriteLatencies.end(), 10653b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteLatencies.begin(), 10663b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteLatencies.end()); 10673b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriterNames.insert(SchedTables.WriterNames.end(), 10683b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.begin(), WriterNames.end()); 106952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 107052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // ReadAdvanceEntries must remain in operand order. 107152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumReadAdvanceEntries = ReadAdvanceEntries.size(); 107252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry>::iterator RAPos = 107352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.ReadAdvanceEntries.begin(), 107452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ReadAdvanceEntries.end(), 107552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.begin(), ReadAdvanceEntries.end()); 107652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (RAPos != SchedTables.ReadAdvanceEntries.end()) 107752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = RAPos - SchedTables.ReadAdvanceEntries.begin(); 107852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 107952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = SchedTables.ReadAdvanceEntries.size(); 108052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ReadAdvanceEntries.insert(RAPos, ReadAdvanceEntries.begin(), 108152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.end()); 108252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 108352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 108452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 108552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 1086544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick// Emit SchedClass tables for all processors and associated global tables. 1087544c88039f16706d6764c65fda276a11f2c586d6Andrew Trickvoid SubtargetEmitter::EmitSchedClassTables(SchedClassTables &SchedTables, 1088544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick raw_ostream &OS) { 1089544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global WriteProcResTable. 1090544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {ProcResourceIdx, Cycles}\n" 1091544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCWriteProcResEntry " 1092544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteProcResTable[] = {\n" 1093544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " { 0, 0}, // Invalid\n"; 1094544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned WPRIdx = 1, WPREnd = SchedTables.WriteProcResources.size(); 1095544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick WPRIdx != WPREnd; ++WPRIdx) { 1096544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCWriteProcResEntry &WPREntry = SchedTables.WriteProcResources[WPRIdx]; 1097544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << format("%2d", WPREntry.ProcResourceIdx) << ", " 1098544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", WPREntry.Cycles) << "}"; 1099544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (WPRIdx + 1 < WPREnd) 1100544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1101544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << WPRIdx << '\n'; 1102544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1103544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "WriteProcResTable\n"; 1104544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1105544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global WriteLatencyTable. 1106544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {Cycles, WriteResourceID}\n" 1107544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCWriteLatencyEntry " 1108544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteLatencyTable[] = {\n" 1109544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " { 0, 0}, // Invalid\n"; 1110544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned WLIdx = 1, WLEnd = SchedTables.WriteLatencies.size(); 1111544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick WLIdx != WLEnd; ++WLIdx) { 1112544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCWriteLatencyEntry &WLEntry = SchedTables.WriteLatencies[WLIdx]; 1113544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << format("%2d", WLEntry.Cycles) << ", " 1114544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", WLEntry.WriteResourceID) << "}"; 1115544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (WLIdx + 1 < WLEnd) 1116544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 11173b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick OS << " // #" << WLIdx << " " << SchedTables.WriterNames[WLIdx] << '\n'; 1118544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1119544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "WriteLatencyTable\n"; 1120544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1121544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global ReadAdvanceTable. 1122544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {UseIdx, WriteResourceID, Cycles}\n" 1123544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCReadAdvanceEntry " 1124544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "ReadAdvanceTable[] = {\n" 1125544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " {0, 0, 0}, // Invalid\n"; 1126544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned RAIdx = 1, RAEnd = SchedTables.ReadAdvanceEntries.size(); 1127544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick RAIdx != RAEnd; ++RAIdx) { 1128544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCReadAdvanceEntry &RAEntry = SchedTables.ReadAdvanceEntries[RAIdx]; 1129544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << RAEntry.UseIdx << ", " 1130544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", RAEntry.WriteResourceID) << ", " 1131544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", RAEntry.Cycles) << "}"; 1132544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (RAIdx + 1 < RAEnd) 1133544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1134544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << RAIdx << '\n'; 1135544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1136544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "ReadAdvanceTable\n"; 1137544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1138544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit a SchedClass table for each processor. 1139544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 1140544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 1141544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (!PI->hasInstrSchedModel()) 1142544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick continue; 1143544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1144544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick std::vector<MCSchedClassDesc> &SCTab = 1145322ff8834532915a4de0210a083672008d6499b6Rafael Espindola SchedTables.ProcSchedClasses[1 + (PI - SchedModels.procModelBegin())]; 1146544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1147544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {Name, NumMicroOps, BeginGroup, EndGroup," 1148544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " WriteProcResIdx,#, WriteLatencyIdx,#, ReadAdvanceIdx,#}\n"; 1149544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "static const llvm::MCSchedClassDesc " 1150544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << PI->ModelName << "SchedClasses[] = {\n"; 1151544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1152544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // The first class is always invalid. We no way to distinguish it except by 1153544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // name and position. 11541ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick assert(SchedModels.getSchedClass(0).Name == "NoInstrModel" 1155544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick && "invalid class not first"); 1156544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {DBGFIELD(\"InvalidSchedClass\") " 1157544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << MCSchedClassDesc::InvalidNumMicroOps 1158544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", 0, 0, 0, 0, 0, 0, 0, 0},\n"; 1159544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1160544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned SCIdx = 1, SCEnd = SCTab.size(); SCIdx != SCEnd; ++SCIdx) { 1161544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCSchedClassDesc &MCDesc = SCTab[SCIdx]; 1162544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick const CodeGenSchedClass &SchedClass = SchedModels.getSchedClass(SCIdx); 1163544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {DBGFIELD(\"" << SchedClass.Name << "\") "; 1164544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (SchedClass.Name.size() < 18) 1165544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS.indent(18 - SchedClass.Name.size()); 1166544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << MCDesc.NumMicroOps 1167544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.BeginGroup << ", " << MCDesc.EndGroup 1168544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.WriteProcResIdx) 1169544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumWriteProcResEntries 1170544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.WriteLatencyIdx) 1171544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumWriteLatencyEntries 1172544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.ReadAdvanceIdx) 1173544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumReadAdvanceEntries << "}"; 1174544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (SCIdx + 1 < SCEnd) 1175544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1176544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << SCIdx << '\n'; 1177544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1178544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << PI->ModelName << "SchedClasses\n"; 1179544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1180544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick} 1181544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 11822661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitProcessorModels(raw_ostream &OS) { 11832661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each processor model. 11842661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 11852661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 118640096d26937cd47c865464bef7b28550bc20c631Andrew Trick // Emit processor resource table. 118740096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (PI->hasInstrSchedModel()) 118840096d26937cd47c865464bef7b28550bc20c631Andrew Trick EmitProcessorResources(*PI, OS); 118940096d26937cd47c865464bef7b28550bc20c631Andrew Trick else if(!PI->ProcResourceDefs.empty()) 119061131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(PI->ModelDef->getLoc(), "SchedMachineModel defines " 119152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick "ProcResources without defining WriteRes SchedWriteRes"); 119240096d26937cd47c865464bef7b28550bc20c631Andrew Trick 11932661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Begin processor itinerary properties 11942661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n"; 11952661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "static const llvm::MCSchedModel " << PI->ModelName << "(\n"; 11962661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "IssueWidth", ','); 1197b86a0cdb674549d8493043331cecd9cbf53b80daAndrew Trick EmitProcessorProp(OS, PI->ModelDef, "MicroOpBufferSize", ','); 11982661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "LoadLatency", ','); 11992661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "HighLatency", ','); 1200d43b5c97cff06d7840b974ca84fa0639d2567968Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "MispredictPenalty", ','); 1201e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " " << PI->Index << ", // Processor ID\n"; 1202e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick if (PI->hasInstrSchedModel()) 1203e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " " << PI->ModelName << "ProcResources" << ",\n" 1204e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << PI->ModelName << "SchedClasses" << ",\n" 1205e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << PI->ProcResourceDefs.size()+1 << ",\n" 1206e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << (SchedModels.schedClassEnd() 1207e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick - SchedModels.schedClassBegin()) << ",\n"; 1208e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick else 1209e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " 0, 0, 0, 0, // No instruction-level machine model.\n"; 12101ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SchedModels.hasItineraries()) 121140096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " " << PI->ItinsDef->getName() << ");\n"; 12122661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick else 121340096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " 0); // No Itinerary\n"; 12142661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 12152661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick} 12162661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 121710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 121810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// EmitProcessorLookup - generate cpu name to itinerary lookup table. 121910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 12201a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::EmitProcessorLookup(raw_ostream &OS) { 122110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Gather and sort processor information 122210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey std::vector<Record*> ProcessorList = 122310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Records.getAllDerivedDefinitions("Processor"); 122442d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 122510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 122610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Begin processor table 122710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 122810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "// Sorted (by key) array of itineraries for CPU subtype.\n" 12291a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetInfoKV " 12302661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick << Target << "ProcSchedKV[] = {\n"; 1231da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 123210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // For each processor 123310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 123410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Next processor 123510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Record *Processor = ProcessorList[i]; 123610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 12374222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 12382661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &ProcModelName = 123948605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick SchedModels.getModelForProc(Processor).ModelName; 1240da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 124110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Emit as { "cpu", procinit }, 124240096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " { \"" << Name << "\", (const void *)&" << ProcModelName << " }"; 1243da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 124410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on ''if more in the list'' emit comma 124510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey if (++i < N) OS << ","; 1246da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 124710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 124810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey } 1249da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 125010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // End processor table 125110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "};\n"; 12520d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 12530d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 12540d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 12552661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitSchedModel - Emits all scheduling model tables, folding common patterns. 12560d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 12572661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitSchedModel(raw_ostream &OS) { 125840096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "#ifdef DBGFIELD\n" 125940096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#error \"<target>GenSubtargetInfo.inc requires a DBGFIELD macro\"\n" 126040096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#endif\n" 126140096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#ifndef NDEBUG\n" 126240096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#define DBGFIELD(x) x,\n" 126340096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#else\n" 126440096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#define DBGFIELD(x)\n" 126540096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#endif\n"; 126640096d26937cd47c865464bef7b28550bc20c631Andrew Trick 12671ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SchedModels.hasItineraries()) { 12682661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > ProcItinLists; 12696cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit the stage data 12702661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitStageAndOperandCycleData(OS, ProcItinLists); 12712661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitItineraries(OS, ProcItinLists); 12726cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 1273544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// ===============================================================\n" 1274544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "// Data tables for the new per-operand machine model.\n"; 127540096d26937cd47c865464bef7b28550bc20c631Andrew Trick 127652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables SchedTables; 127752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 127852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 127952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick GenSchedClassTables(*PI, SchedTables); 128052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 1281544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitSchedClassTables(SchedTables, OS); 1282544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1283544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit the processor machine model 1284544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitProcessorModels(OS); 1285544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit the processor lookup data 1286544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitProcessorLookup(OS); 128752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 128840096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "#undef DBGFIELD"; 12890d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 12900d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 12914d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trickvoid SubtargetEmitter::EmitSchedModelHelpers(std::string ClassName, 12924d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick raw_ostream &OS) { 12934d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "unsigned " << ClassName 12944d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << "\n::resolveSchedClass(unsigned SchedClass, const MachineInstr *MI," 12954d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " const TargetSchedModel *SchedModel) const {\n"; 12964d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 12974d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::vector<Record*> Prologs = Records.getAllDerivedDefinitions("PredicateProlog"); 12984d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::sort(Prologs.begin(), Prologs.end(), LessRecord()); 12994d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<Record*>::const_iterator 13004d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick PI = Prologs.begin(), PE = Prologs.end(); PI != PE; ++PI) { 13014d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << (*PI)->getValueAsString("Code") << '\n'; 13024d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13034d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec VariantClasses; 13044d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (CodeGenSchedModels::SchedClassIter SCI = SchedModels.schedClassBegin(), 13054d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick SCE = SchedModels.schedClassEnd(); SCI != SCE; ++SCI) { 13064d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (SCI->Transitions.empty()) 13074d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick continue; 13081ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick VariantClasses.push_back(SCI->Index); 13094d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13104d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (!VariantClasses.empty()) { 13114d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " switch (SchedClass) {\n"; 13124d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (IdxIter VCI = VariantClasses.begin(), VCE = VariantClasses.end(); 13134d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick VCI != VCE; ++VCI) { 13144d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick const CodeGenSchedClass &SC = SchedModels.getSchedClass(*VCI); 13154d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " case " << *VCI << ": // " << SC.Name << '\n'; 13164d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec ProcIndices; 13174d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<CodeGenSchedTransition>::const_iterator 13184d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI = SC.Transitions.begin(), TE = SC.Transitions.end(); 13194d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI != TE; ++TI) { 13204d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec PI; 13214d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::set_union(TI->ProcIndices.begin(), TI->ProcIndices.end(), 13224d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick ProcIndices.begin(), ProcIndices.end(), 13234d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::back_inserter(PI)); 13244d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick ProcIndices.swap(PI); 13254d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13264d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (IdxIter PI = ProcIndices.begin(), PE = ProcIndices.end(); 13274d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick PI != PE; ++PI) { 13284d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " "; 13294d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI != 0) 13304d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "if (SchedModel->getProcessorID() == " << *PI << ") "; 13314d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "{ // " << (SchedModels.procModelBegin() + *PI)->ModelName 13324d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << '\n'; 13334d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<CodeGenSchedTransition>::const_iterator 13344d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI = SC.Transitions.begin(), TE = SC.Transitions.end(); 13354d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI != TE; ++TI) { 13364d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI != 0 && !std::count(TI->ProcIndices.begin(), 13374d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI->ProcIndices.end(), *PI)) { 13384d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick continue; 13394d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 1340fcce70ad527cec1fc10b855ee072efb562a2521eArnold Schwaighofer OS << " if ("; 13414d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (RecIter RI = TI->PredTerm.begin(), RE = TI->PredTerm.end(); 13424d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick RI != RE; ++RI) { 13434d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (RI != TI->PredTerm.begin()) 13444d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "\n && "; 13454d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "(" << (*RI)->getValueAsString("Predicate") << ")"; 13464d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13474d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << ")\n" 13484d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " return " << TI->ToClassIdx << "; // " 13494d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << SchedModels.getSchedClass(TI->ToClassIdx).Name << '\n'; 13504d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13514d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " }\n"; 13524d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI == 0) 13534d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick break; 13544d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13551ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SC.isInferred()) 13561ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick OS << " return " << SC.Index << ";\n"; 13574d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " break;\n"; 13584d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13594d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " };\n"; 13604d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 13614d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " report_fatal_error(\"Expected a variant SchedClass\");\n" 13624d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << "} // " << ClassName << "::resolveSchedClass\n"; 13634d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick} 13644d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 13650d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 1366581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// ParseFeaturesFunction - Produces a subtarget specific function for parsing 1367581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// the subtarget features string. 1368581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 136994214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengvoid SubtargetEmitter::ParseFeaturesFunction(raw_ostream &OS, 137094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures, 137194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumProcs) { 1372f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> Features = 1373f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 137442d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(Features.begin(), Features.end(), LessRecord()); 1375581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 1376da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick OS << "// ParseSubtargetFeatures - Parses features string setting specified\n" 1377da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick << "// subtarget options.\n" 1378276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng << "void llvm::"; 1379581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << Target; 13800ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << "Subtarget::ParseSubtargetFeatures(StringRef CPU, StringRef FS) {\n" 1381f0fd3afeffcb41202147f755bf770061f189a42bDavid Greene << " DEBUG(dbgs() << \"\\nFeatures:\" << FS);\n" 13823f696e568bae8afa5986e7af48156c2bac041ba7Hal Finkel << " DEBUG(dbgs() << \"\\nCPU:\" << CPU << \"\\n\\n\");\n"; 138394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 138494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (Features.empty()) { 138594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "}\n"; 138694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return; 138794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } 138894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 138934aadd63346b5f9b98749a306b71fcb00ee6996fAndrew Trick OS << " InitMCProcessorInfo(CPU, FS);\n" 139034aadd63346b5f9b98749a306b71fcb00ee6996fAndrew Trick << " uint64_t Bits = getFeatureBits();\n"; 13914222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 1392f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0; i < Features.size(); i++) { 1393f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 1394f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *R = Features[i]; 13954222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Instance = R->getName(); 13964222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Value = R->getValueAsString("Value"); 13974222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Attribute = R->getValueAsString("Attribute"); 139819c95507443ebd4f1cee80917d540c8bd27f8fe1Evan Cheng 1399db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen if (Value=="true" || Value=="false") 14000ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << " if ((Bits & " << Target << "::" 14010ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << Instance << ") != 0) " 1402db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen << Attribute << " = " << Value << ";\n"; 1403db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen else 14040ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << " if ((Bits & " << Target << "::" 14050ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << Instance << ") != 0 && " 140694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Attribute << " < " << Value << ") " 140794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Attribute << " = " << Value << ";\n"; 14086cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 140941a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov 1410276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng OS << "}\n"; 1411581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey} 1412581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 141341a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov// 1414b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// SubtargetEmitter::run - Main subtarget enumeration emitter. 1415b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 14161a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::run(raw_ostream &OS) { 14176f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen emitSourceFileHeader("Subtarget Enumeration Source Fragment", OS); 1418b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 1419ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_ENUM\n"; 1420ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "#undef GET_SUBTARGETINFO_ENUM\n"; 1421ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 1422ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "namespace llvm {\n"; 1423ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Enumeration(OS, "SubtargetFeature", true); 1424ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "} // End llvm namespace \n"; 1425ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "#endif // GET_SUBTARGETINFO_ENUM\n\n"; 1426ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 142794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_MC_DESC\n"; 142894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_MC_DESC\n"; 1429928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 143094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 1431c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#if 0 1432c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "namespace {\n"; 1433c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#endif 143494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures = FeatureKeyValues(OS); 1435c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 143694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumProcs = CPUKeyValues(OS); 1437c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 14382661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitSchedModel(OS); 1439c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 1440c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#if 0 1441c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "}\n"; 1442c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#endif 144394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 144494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng // MCInstrInfo initialization routine. 144594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "static inline void Init" << Target 144659ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << "MCSubtargetInfo(MCSubtargetInfo *II, " 144759ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << "StringRef TT, StringRef CPU, StringRef FS) {\n"; 144859ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng OS << " II->InitMCSubtargetInfo(TT, CPU, FS, "; 144994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumFeatures) 145094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "FeatureKV, "; 145194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 145294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 145394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumProcs) 145494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "SubTypeKV, "; 145594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 145694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 1457544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << '\n'; OS.indent(22); 1458e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "ProcSchedKV, " 1459e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteProcResTable, " 1460e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteLatencyTable, " 1461e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "ReadAdvanceTable, "; 14621ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SchedModels.hasItineraries()) { 1463e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 1464e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "Stages, " 146594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "OperandCycles, " 1466a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick << Target << "ForwardingPaths, "; 146794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } else 1468e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << "0, 0, 0, "; 146994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << NumFeatures << ", " << NumProcs << ");\n}\n\n"; 147094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 147194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 147294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 147394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_MC_DESC\n\n"; 147494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 147594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_TARGET_DESC\n"; 147694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_TARGET_DESC\n"; 147794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 147894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#include \"llvm/Support/Debug.h\"\n"; 147994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#include \"llvm/Support/raw_ostream.h\"\n"; 148094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng ParseFeaturesFunction(OS, NumFeatures, NumProcs); 148194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 148294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_TARGET_DESC\n\n"; 148394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 14845b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng // Create a TargetSubtargetInfo subclass to hide the MC layer initialization. 148594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_HEADER\n"; 148694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_HEADER\n"; 148794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 148894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng std::string ClassName = Target + "GenSubtargetInfo"; 148994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 1490dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta OS << "class DFAPacketizer;\n"; 14915b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng OS << "struct " << ClassName << " : public TargetSubtargetInfo {\n" 14920ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << " explicit " << ClassName << "(StringRef TT, StringRef CPU, " 14930ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << "StringRef FS);\n" 1494dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta << "public:\n" 14954d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " unsigned resolveSchedClass(unsigned SchedClass, const MachineInstr *DefMI," 14964d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " const TargetSchedModel *SchedModel) const;\n" 1497464f3a332f81364ee09794f9502f0b25671149c6Sebastian Pop << " DFAPacketizer *createDFAPacketizer(const InstrItineraryData *IID)" 1498dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta << " const;\n" 149994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << "};\n"; 150094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 150194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 150294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_HEADER\n\n"; 150394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 150494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_CTOR\n"; 150594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_CTOR\n"; 150694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 1507ee290ba35af88393ba18dd19e6e39d50c7872534Andrew Trick OS << "#include \"llvm/CodeGen/TargetSchedule.h\"\n"; 150894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 15091a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::SubtargetFeatureKV " << Target << "FeatureKV[];\n"; 15101a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::SubtargetFeatureKV " << Target << "SubTypeKV[];\n"; 1511544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::SubtargetInfoKV " << Target << "ProcSchedKV[];\n"; 1512544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCWriteProcResEntry " 1513544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteProcResTable[];\n"; 1514544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCWriteLatencyEntry " 1515544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteLatencyTable[];\n"; 1516544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCReadAdvanceEntry " 1517544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "ReadAdvanceTable[];\n"; 1518544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 15191ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SchedModels.hasItineraries()) { 15201a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::InstrStage " << Target << "Stages[];\n"; 15211a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const unsigned " << Target << "OperandCycles[];\n"; 1522a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick OS << "extern const unsigned " << Target << "ForwardingPaths[];\n"; 1523c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng } 1524c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng 15250ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << ClassName << "::" << ClassName << "(StringRef TT, StringRef CPU, " 15260ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << "StringRef FS)\n" 15275b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng << " : TargetSubtargetInfo() {\n" 152859ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << " InitMCSubtargetInfo(TT, CPU, FS, "; 152994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumFeatures) 153094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "FeatureKV, "; 153194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 153294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 153394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumProcs) 153494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "SubTypeKV, "; 153594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 153694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 1537e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 1538e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "ProcSchedKV, " 1539e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteProcResTable, " 1540e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteLatencyTable, " 1541e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "ReadAdvanceTable, "; 1542e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 15431ab961f6d3cdd284f5d6c696f3e26eb3627e2c8bAndrew Trick if (SchedModels.hasItineraries()) { 1544e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "Stages, " 154594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "OperandCycles, " 1546a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick << Target << "ForwardingPaths, "; 154794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } else 1548e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << "0, 0, 0, "; 154994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << NumFeatures << ", " << NumProcs << ");\n}\n\n"; 1550544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 15514d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick EmitSchedModelHelpers(ClassName, OS); 15524d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 155394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 155494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 155594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_CTOR\n\n"; 1556b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 15576f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 15586f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace llvm { 15596f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 15606f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenvoid EmitSubtarget(RecordKeeper &RK, raw_ostream &OS) { 15612661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick CodeGenTarget CGTarget(RK); 15622661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SubtargetEmitter(RK, CGTarget).run(OS); 15636f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} 15646f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 15656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End llvm namespace 1566