SubtargetEmitter.cpp revision 92649883119aaa8edd9ccf612eaaff5ccc8fcc77
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 144bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "CodeGenTarget.h" 152661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick#include "CodeGenSchedule.h" 164bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "llvm/ADT/StringExtras.h" 1740096d26937cd47c865464bef7b28550bc20c631Andrew Trick#include "llvm/ADT/STLExtras.h" 186f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/MC/MCInstrItineraries.h" 1940096d26937cd47c865464bef7b28550bc20c631Andrew Trick#include "llvm/TableGen/Error.h" 206f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/TableGen/Record.h" 216f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/TableGen/TableGenBackend.h" 2240096d26937cd47c865464bef7b28550bc20c631Andrew Trick#include "llvm/Support/Debug.h" 23544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick#include "llvm/Support/Format.h" 249489c04efc47a68af65e226e50f03d488094ffceJeff Cohen#include <algorithm> 256f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <map> 266f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <string> 276f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <vector> 284bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskeyusing namespace llvm; 294bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 306f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace { 316f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenclass SubtargetEmitter { 3252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Each processor has a SchedClassDesc table with an entry for each SchedClass. 3352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // The SchedClassDesc table indexes into a global write resource table, write 3452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // latency table, and read advance table. 3552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick struct SchedClassTables { 3652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<std::vector<MCSchedClassDesc> > ProcSchedClasses; 3752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry> WriteProcResources; 3852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry> WriteLatencies; 393b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::vector<std::string> WriterNames; 4052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry> ReadAdvanceEntries; 4152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 4252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Reserve an invalid entry at index 0 4352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables() { 4452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ProcSchedClasses.resize(1); 4552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.resize(1); 4652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.resize(1); 473b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.push_back("InvalidWrite"); 4852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.resize(1); 4952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 5052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick }; 5152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 5252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick struct LessWriteProcResources { 5352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick bool operator()(const MCWriteProcResEntry &LHS, 5452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const MCWriteProcResEntry &RHS) { 5552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick return LHS.ProcResourceIdx < RHS.ProcResourceIdx; 5652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 5752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick }; 586f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 596f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen RecordKeeper &Records; 602661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick CodeGenSchedModels &SchedModels; 616f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen std::string Target; 626f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 636f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits); 646f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned FeatureKeyValues(raw_ostream &OS); 656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned CPUKeyValues(raw_ostream &OS); 666f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryStageString(const std::string &Names, 676f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen Record *ItinData, std::string &ItinString, 686f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned &NStages); 696f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryOperandCycleString(Record *ItinData, std::string &ItinString, 706f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned &NOperandCycles); 716f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void FormItineraryBypassString(const std::string &Names, 726f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen Record *ItinData, 736f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen std::string &ItinString, unsigned NOperandCycles); 742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitStageAndOperandCycleData(raw_ostream &OS, 752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists); 772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitItineraries(raw_ostream &OS, 782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists); 802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitProcessorProp(raw_ostream &OS, const Record *R, const char *Name, 816f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen char Separator); 8240096d26937cd47c865464bef7b28550bc20c631Andrew Trick void EmitProcessorResources(const CodeGenProcModel &ProcModel, 8340096d26937cd47c865464bef7b28550bc20c631Andrew Trick raw_ostream &OS); 8492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *FindWriteResources(const CodeGenSchedRW &SchedWrite, 8552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const CodeGenProcModel &ProcModel); 8692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *FindReadAdvance(const CodeGenSchedRW &SchedRead, 8792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenProcModel &ProcModel); 8852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick void GenSchedClassTables(const CodeGenProcModel &ProcModel, 8952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables &SchedTables); 90544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick void EmitSchedClassTables(SchedClassTables &SchedTables, raw_ostream &OS); 912661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitProcessorModels(raw_ostream &OS); 926f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void EmitProcessorLookup(raw_ostream &OS); 934d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick void EmitSchedModelHelpers(std::string ClassName, raw_ostream &OS); 942661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick void EmitSchedModel(raw_ostream &OS); 956f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void ParseFeaturesFunction(raw_ostream &OS, unsigned NumFeatures, 966f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen unsigned NumProcs); 976f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 986f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenpublic: 992661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SubtargetEmitter(RecordKeeper &R, CodeGenTarget &TGT): 1002661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Records(R), SchedModels(TGT.getSchedModels()), Target(TGT.getName()) {} 1016f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1026f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void run(raw_ostream &o); 1036f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1046f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen}; 1056f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End anonymous namespace 1066f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1077dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 108581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// Enumeration - Emit the specified class as an enumeration. 109b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 1101a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::Enumeration(raw_ostream &OS, 111581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey const char *ClassName, 112581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey bool isBits) { 113908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get all records of class and sort 114f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> DefList = Records.getAllDerivedDefinitions(ClassName); 11542d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(DefList.begin(), DefList.end(), LessRecord()); 1164bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 117b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng unsigned N = DefList.size(); 11894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (N == 0) 11994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return; 120b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng if (N > 64) { 121b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng errs() << "Too many (> 64) subtarget features!\n"; 122b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng exit(1); 123b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng } 124b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng 12594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace " << Target << " {\n"; 12694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 127ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For bit flag enumerations with more than 32 items, emit constants. 128ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Emit an enum for everything else. 129ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (isBits && N > 32) { 130ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For each record 131ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen for (unsigned i = 0; i < N; i++) { 132ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Next record 133ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen Record *Def = DefList[i]; 13494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 135ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Get and emit name and expression (1 << i) 136ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << " const uint64_t " << Def->getName() << " = 1ULL << " << i << ";\n"; 137ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 138ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } else { 139ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Open enumeration 140ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "enum {\n"; 141da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 142ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // For each record 143ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen for (unsigned i = 0; i < N;) { 144ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Next record 145ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen Record *Def = DefList[i]; 146da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 147ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Get and emit name 148ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << " " << Def->getName(); 149908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 150ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // If bit flags then emit expression (1 << i) 151ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (isBits) OS << " = " << " 1ULL << " << i; 152da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 153ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Depending on 'if more in the list' emit comma 154ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen if (++i < N) OS << ","; 155ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen 156ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "\n"; 157ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 158da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 159ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen // Close enumeration 160ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen OS << "};\n"; 161ac1ed44d95789400edc334fab6680b7bcf7d61a9Jakob Stoklund Olesen } 16294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 16394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "}\n"; 164b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 165b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 166b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 1674222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// FeatureKeyValues - Emit data of all the subtarget features. Used by the 1684222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// command line. 169b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 17094214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengunsigned SubtargetEmitter::FeatureKeyValues(raw_ostream &OS) { 171908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort all the features 172f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> FeatureList = 173f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 17494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 17594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (FeatureList.empty()) 17694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return 0; 17794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 1787c9a7728d9dd248ebee8f2dd969d303711d487a9Jim Grosbach std::sort(FeatureList.begin(), FeatureList.end(), LessRecordFieldName()); 179b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 180908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin feature table 181581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU features.\n" 1821a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetFeatureKV " << Target 1831a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "FeatureKV[] = {\n"; 184da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 185908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each feature 18694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures = 0; 187dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey for (unsigned i = 0, N = FeatureList.size(); i < N; ++i) { 188f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next feature 189f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Feature = FeatureList[i]; 190f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 1914222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Feature->getName(); 1924222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &CommandLineName = Feature->getValueAsString("Name"); 1934222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Desc = Feature->getValueAsString("Desc"); 194da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 195dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if (CommandLineName.empty()) continue; 196da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 197da4231f134989af7dc6bd3408821ba573def27b2Jim Grosbach // Emit as { "feature", "description", featureEnum, i1 | i2 | ... | in } 198b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 199f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey << "\"" << CommandLineName << "\", " 200b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Desc << "\", " 20194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "::" << Name << ", "; 2024222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 203da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick const std::vector<Record*> &ImpliesList = 2044222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling Feature->getValueAsListOfDefs("Implies"); 205da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 2064222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (ImpliesList.empty()) { 207b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << "0ULL"; 2084222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } else { 2094222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling for (unsigned j = 0, M = ImpliesList.size(); j < M;) { 21094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "::" << ImpliesList[j]->getName(); 2114222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (++j < M) OS << " | "; 2124222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 2134222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 2144222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 2154222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << " }"; 21694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng ++NumFeatures; 217da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 21810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 219dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if ((i + 1) < N) OS << ","; 220da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 221f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 222b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } 223da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 224908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End feature table 225b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 226b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 22794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return NumFeatures; 228b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 229b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 230b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 231b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// CPUKeyValues - Emit data of all the subtarget processors. Used by command 232b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// line. 233b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 23494214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengunsigned SubtargetEmitter::CPUKeyValues(raw_ostream &OS) { 235908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort processor information 236f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> ProcessorList = 237f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("Processor"); 23842d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 239b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 240908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin processor table 241581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU subtype.\n" 2421a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetFeatureKV " << Target 2431a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "SubTypeKV[] = {\n"; 244da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 245908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each processor 246f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 247f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next processor 248f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Processor = ProcessorList[i]; 249f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 2504222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 251da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick const std::vector<Record*> &FeatureList = 252b0e103d46bf8799ac5523157a6ed4a78d1751a89Chris Lattner Processor->getValueAsListOfDefs("Features"); 253da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 254908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit as { "cpu", "description", f1 | f2 | ... fn }, 255b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 256b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Name << "\", " 257b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"Select the " << Name << " processor\", "; 258da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 259f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (FeatureList.empty()) { 260b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << "0ULL"; 261b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } else { 262f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = FeatureList.size(); j < M;) { 26394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "::" << FeatureList[j]->getName(); 264f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) OS << " | "; 2654bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 2664bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 267da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 2684222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling // The "0" is for the "implies" section of this data structure. 269b6a638898a92d5cd782209fbeb673fe7846a29ebEvan Cheng OS << ", 0ULL }"; 270da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 27110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 272f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++i < N) OS << ","; 273da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 274f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 2754bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 276da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 277908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End processor table 278b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 279b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 28094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return ProcessorList.size(); 2814bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey} 282b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 283581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 284fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// FormItineraryStageString - Compose a string containing the stage 285fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// data initialization for the specified itinerary. N is the number 286fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// of stages. 2870d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 288928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikovvoid SubtargetEmitter::FormItineraryStageString(const std::string &Name, 289928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov Record *ItinData, 290fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string &ItinString, 291fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned &NStages) { 292f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get states list 2934222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &StageList = 2944222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling ItinData->getValueAsListOfDefs("Stages"); 295908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 296908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each stage 297f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned N = NStages = StageList.size(); 2988dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb for (unsigned i = 0; i < N;) { 299f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next stage 3004222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const Record *Stage = StageList[i]; 301da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 30296085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov // Form string as ,{ cycles, u1 | u2 | ... | un, timeinc, kind } 3030d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey int Cycles = Stage->getValueAsInt("Cycles"); 3047f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey ItinString += " { " + itostr(Cycles) + ", "; 305da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 306f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get unit list 3074222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &UnitList = Stage->getValueAsListOfDefs("Units"); 308da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 309908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each unit 310f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = UnitList.size(); j < M;) { 311f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Add name and bitwise or 312928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov ItinString += Name + "FU::" + UnitList[j]->getName(); 313f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) ItinString += " | "; 3140d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 315da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 3161a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin int TimeInc = Stage->getValueAsInt("TimeInc"); 3171a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin ItinString += ", " + itostr(TimeInc); 3181a8f36e3ce5b9c230781b66600c81536128abfb5David Goodwin 31996085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov int Kind = Stage->getValueAsInt("Kind"); 32096085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov ItinString += ", (llvm::InstrStage::ReservationKinds)" + itostr(Kind); 32196085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov 322908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Close off stage 323908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey ItinString += " }"; 3248dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb if (++i < N) ItinString += ", "; 3250d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3260d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 3270d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 3280d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 329fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// FormItineraryOperandCycleString - Compose a string containing the 330fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// operand cycle initialization for the specified itinerary. N is the 331fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// number of operands that has cycles specified. 3320d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 333fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwinvoid SubtargetEmitter::FormItineraryOperandCycleString(Record *ItinData, 334fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string &ItinString, unsigned &NOperandCycles) { 335fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Get operand cycle list 336fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin const std::vector<int64_t> &OperandCycleList = 337fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinData->getValueAsListOfInts("OperandCycles"); 338fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 339fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // For each operand cycle 340fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned N = NOperandCycles = OperandCycleList.size(); 341fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin for (unsigned i = 0; i < N;) { 342fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Next operand cycle 343fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin const int OCycle = OperandCycleList[i]; 344da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 345fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinString += " " + itostr(OCycle); 346fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (++i < N) ItinString += ", "; 347fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 348fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin} 349fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 35063d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Chengvoid SubtargetEmitter::FormItineraryBypassString(const std::string &Name, 35163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng Record *ItinData, 35263d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng std::string &ItinString, 35363d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng unsigned NOperandCycles) { 35463d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng const std::vector<Record*> &BypassList = 35563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinData->getValueAsListOfDefs("Bypasses"); 35663d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng unsigned N = BypassList.size(); 3573881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng unsigned i = 0; 3583881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (; i < N;) { 35963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinString += Name + "Bypass::" + BypassList[i]->getName(); 3603881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (++i < NOperandCycles) ItinString += ", "; 36163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng } 3623881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (; i < NOperandCycles;) { 36363d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng ItinString += " 0"; 3643881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (++i < NOperandCycles) ItinString += ", "; 36563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng } 36663d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng} 36763d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 368fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// 3692661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitStageAndOperandCycleData - Generate unique itinerary stages and operand 3702661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// cycle tables. Create a list of InstrItinerary objects (ProcItinLists) indexed 3712661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// by CodeGenSchedClass::Index. 372fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin// 3732661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter:: 3742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew TrickEmitStageAndOperandCycleData(raw_ostream &OS, 3752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > 3762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick &ProcItinLists) { 377908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 378cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick // Multiple processor models may share an itinerary record. Emit it once. 379cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick SmallPtrSet<Record*, 8> ItinsDefSet; 380cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 381928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov // Emit functional units for all the itineraries. 3822661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 3832661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 384928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 385cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick if (!ItinsDefSet.insert(PI->ItinsDef)) 386cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick continue; 387cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 3882661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<Record*> FUs = PI->ItinsDef->getValueAsListOfDefs("FU"); 389928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov if (FUs.empty()) 390928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov continue; 391928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 3922661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = PI->ItinsDef->getName(); 3932661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n// Functional units for \"" << Name << "\"\n" 394928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov << "namespace " << Name << "FU {\n"; 395928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 396928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov for (unsigned j = 0, FUN = FUs.size(); j < FUN; ++j) 397b460a3382961c5be9952a75d46228f624edbd39fHal Finkel OS << " const unsigned " << FUs[j]->getName() 398b460a3382961c5be9952a75d46228f624edbd39fHal Finkel << " = 1 << " << j << ";\n"; 399928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 400928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov OS << "}\n"; 40163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4022661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<Record*> BPs = PI->ItinsDef->getValueAsListOfDefs("BP"); 4033881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng if (BPs.size()) { 4043881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng OS << "\n// Pipeline forwarding pathes for itineraries \"" << Name 4053881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng << "\"\n" << "namespace " << Name << "Bypass {\n"; 40663d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4071a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << " const unsigned NoBypass = 0;\n"; 4083881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng for (unsigned j = 0, BPN = BPs.size(); j < BPN; ++j) 4091a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << " const unsigned " << BPs[j]->getName() 4103881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng << " = 1 << " << j << ";\n"; 41163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 4123881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng OS << "}\n"; 4133881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng } 414928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov } 415928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 416908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin stages table 4171a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string StageTable = "\nextern const llvm::InstrStage " + Target + 4181a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer "Stages[] = {\n"; 41996085a36dbb9cf251c81bc150e41ea9c952c99c0Anton Korobeynikov StageTable += " { 0, 0, 0, llvm::InstrStage::Required }, // No itinerary\n"; 420da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 421fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Begin operand cycle table 4221a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string OperandCycleTable = "extern const unsigned " + Target + 42394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng "OperandCycles[] = {\n"; 424fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleTable += " 0, // No itinerary\n"; 42563d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 42663d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng // Begin pipeline bypass table 4271a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer std::string BypassTable = "extern const unsigned " + Target + 428a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick "ForwardingPaths[] = {\n"; 4292661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick BypassTable += " 0, // No itinerary\n"; 430da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 4312661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each Itinerary across all processors, add a unique entry to the stages, 4322661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // operand cycles, and pipepine bypess tables. Then add the new Itinerary 4332661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // object with computed offsets to the ProcItinLists result. 434fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned StageCount = 1, OperandCycleCount = 1; 4353881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng std::map<std::string, unsigned> ItinStageMap, ItinOperandMap; 4362661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 4372661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 4382661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const CodeGenProcModel &ProcModel = *PI; 439da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 4402661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Add process itinerary to the list. 4412661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ProcItinLists.resize(ProcItinLists.size()+1); 442d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick 4432661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // If this processor defines no itineraries, then leave the itinerary list 4442661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // empty. 4452661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<InstrItinerary> &ItinList = ProcItinLists.back(); 4462661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ProcModel.ItinDefList.empty()) 447d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick continue; 448d85934b3e5a96040e199e1b098705eb56cde584aAndrew Trick 4492661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Reserve index==0 for NoItinerary. 4502661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ItinList.resize(SchedModels.numItineraryClasses()+1); 4512661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 4522661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = ProcModel.ItinsDef->getName(); 453da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 454f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // For each itinerary data 4552661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (unsigned SchedClassIdx = 0, 4562661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SchedClassEnd = ProcModel.ItinDefList.size(); 4572661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SchedClassIdx < SchedClassEnd; ++SchedClassIdx) { 4582661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 459f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next itinerary data 4602661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Record *ItinData = ProcModel.ItinDefList[SchedClassIdx]; 461da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 462908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get string and stage count 463fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string ItinStageString; 4642661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick unsigned NStages = 0; 4652661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinData) 4662661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryStageString(Name, ItinData, ItinStageString, NStages); 467fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 468fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Get string and operand cycle count 469fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin std::string ItinOperandCycleString; 4702661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick unsigned NOperandCycles = 0; 47163d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng std::string ItinBypassString; 4722661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinData) { 4732661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryOperandCycleString(ItinData, ItinOperandCycleString, 4742661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick NOperandCycles); 4752661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 4762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick FormItineraryBypassString(Name, ItinData, ItinBypassString, 4772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick NOperandCycles); 4782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 47963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 480fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Check to see if stage already exists and create if it doesn't 481fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned FindStage = 0; 482fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (NStages > 0) { 483fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin FindStage = ItinStageMap[ItinStageString]; 484fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (FindStage == 0) { 485234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick // Emit as { cycles, u1 | u2 | ... | un, timeinc }, // indices 486234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += ItinStageString + ", // " + itostr(StageCount); 487234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick if (NStages > 1) 488234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += "-" + itostr(StageCount + NStages - 1); 489234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick StageTable += "\n"; 490fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Record Itin class number. 491fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin ItinStageMap[ItinStageString] = FindStage = StageCount; 492fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin StageCount += NStages; 493fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 494fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 495da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 496fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Check to see if operand cycle already exists and create if it doesn't 497fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin unsigned FindOperandCycle = 0; 498fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (NOperandCycles > 0) { 4993881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng std::string ItinOperandString = ItinOperandCycleString+ItinBypassString; 5003881cb7a5d54c0011b40997adcd742e1c7b91abdEvan Cheng FindOperandCycle = ItinOperandMap[ItinOperandString]; 501fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin if (FindOperandCycle == 0) { 502fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Emit as cycle, // index 503234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandCycleTable += ItinOperandCycleString + ", // "; 504234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick std::string OperandIdxComment = itostr(OperandCycleCount); 505234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick if (NOperandCycles > 1) 506234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandIdxComment += "-" 507234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick + itostr(OperandCycleCount + NOperandCycles - 1); 508234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick OperandCycleTable += OperandIdxComment + "\n"; 509fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Record Itin class number. 510da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick ItinOperandMap[ItinOperandCycleString] = 511fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin FindOperandCycle = OperandCycleCount; 51263d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng // Emit as bypass, // index 513234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trick BypassTable += ItinBypassString + ", // " + OperandIdxComment + "\n"; 514fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleCount += NOperandCycles; 515fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin } 5160d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 517da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5185f54ce347368105260be2cec497b6a4199dc5789Evan Cheng // Set up itinerary as location and location + stage count 5192661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick int NumUOps = ItinData ? ItinData->getValueAsInt("NumMicroOps") : 0; 5205f54ce347368105260be2cec497b6a4199dc5789Evan Cheng InstrItinerary Intinerary = { NumUOps, FindStage, FindStage + NStages, 5215f54ce347368105260be2cec497b6a4199dc5789Evan Cheng FindOperandCycle, 5225f54ce347368105260be2cec497b6a4199dc5789Evan Cheng FindOperandCycle + NOperandCycles}; 5235f54ce347368105260be2cec497b6a4199dc5789Evan Cheng 524908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Inject - empty slots will be 0, 0 5252661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ItinList[SchedClassIdx] = Intinerary; 5260d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 5270d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 52863d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 5297f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey // Closing stage 5302661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick StageTable += " { 0, 0, 0, llvm::InstrStage::Required } // End stages\n"; 531fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin StageTable += "};\n"; 532fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 533fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Closing operand cycles 5342661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OperandCycleTable += " 0 // End operand cycles\n"; 535fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OperandCycleTable += "};\n"; 536fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin 5372661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick BypassTable += " 0 // End bypass tables\n"; 53863d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng BypassTable += "};\n"; 53963d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng 540fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin // Emit tables. 541fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OS << StageTable; 542fac8541dd40e01aa2b52962516f9ae67c99720ccDavid Goodwin OS << OperandCycleTable; 54363d66eed16a6ee4e838f2f7a4c8299def0722c20Evan Cheng OS << BypassTable; 5440d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 5450d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 5460d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 5472661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitProcessorData - Generate data for processor itineraries that were 5482661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// computed during EmitStageAndOperandCycleData(). ProcItinLists lists all 5492661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// Itineraries for each processor. The Itinerary lists are indexed on 5502661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// CodeGenSchedClass::Index. 5510d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 552234823297e0fc0babddd2ab84054bf68f64a54d1Andrew Trickvoid SubtargetEmitter:: 5532661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew TrickEmitItineraries(raw_ostream &OS, 5542661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > &ProcItinLists) { 555fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick 556cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick // Multiple processor models may share an itinerary record. Emit it once. 557cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick SmallPtrSet<Record*, 8> ItinsDefSet; 558cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 5592661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each processor's machine model 560f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> >::iterator 5612661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ProcItinListsIter = ProcItinLists.begin(); 5622661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 56348605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI, ++ProcItinListsIter) { 564cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick 5652661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Record *ItinsDef = PI->ItinsDef; 566cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick if (!ItinsDefSet.insert(ItinsDef)) 567cb94192ff01fabdd492e9b229683e5d98aa2099fAndrew Trick continue; 568f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 569908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get processor itinerary name 5702661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &Name = ItinsDef->getName(); 571da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5722661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Get the itinerary list for the processor. 5732661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick assert(ProcItinListsIter != ProcItinLists.end() && "bad iterator"); 57448605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick std::vector<InstrItinerary> &ItinList = *ProcItinListsIter; 575fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick 5762661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n"; 5772661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "static const llvm::InstrItinerary "; 5782661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (ItinList.empty()) { 5792661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << '*' << Name << " = 0;\n"; 5802661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick continue; 5812661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 582da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 5832661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Begin processor itinerary table 5842661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << Name << "[] = {\n"; 5852661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 5862661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each itinerary class in CodeGenSchedClass::Index order. 5872661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (unsigned j = 0, M = ItinList.size(); j < M; ++j) { 5882661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick InstrItinerary &Intinerary = ItinList[j]; 5892661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 5902661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Emit Itinerary in the form of 5912661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // { firstStage, lastStage, firstCycle, lastCycle } // index 5922661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " { " << 5932661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.NumMicroOps << ", " << 5942661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.FirstStage << ", " << 5952661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.LastStage << ", " << 5962661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.FirstOperandCycle << ", " << 5972661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick Intinerary.LastOperandCycle << " }" << 5982661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick ", // " << j << " " << SchedModels.getSchedClass(j).Name << "\n"; 5990d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 6002661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // End processor itinerary table 6012661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " { 0, ~0U, ~0U, ~0U, ~0U } // end marker\n"; 602fc992996f751e0941951b6d08d8f1e80ebec1385Andrew Trick OS << "};\n"; 6030d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 60410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey} 60510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 606c8e41c591741b3da1077f7000274ad040bef8002Sylvestre Ledru// Emit either the value defined in the TableGen Record, or the default 6072661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// value defined in the C++ header. The Record is null if the processor does not 6082661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// define a model. 6092661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitProcessorProp(raw_ostream &OS, const Record *R, 6102661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const char *Name, char Separator) { 6112661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << " "; 6122661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick int V = R ? R->getValueAsInt(Name) : -1; 6132661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (V >= 0) 6142661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << V << Separator << " // " << Name; 6152661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick else 6162661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "MCSchedModel::Default" << Name << Separator; 6172661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << '\n'; 6182661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick} 6192661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 62040096d26937cd47c865464bef7b28550bc20c631Andrew Trickvoid SubtargetEmitter::EmitProcessorResources(const CodeGenProcModel &ProcModel, 62140096d26937cd47c865464bef7b28550bc20c631Andrew Trick raw_ostream &OS) { 62240096d26937cd47c865464bef7b28550bc20c631Andrew Trick char Sep = ProcModel.ProcResourceDefs.empty() ? ' ' : ','; 62340096d26937cd47c865464bef7b28550bc20c631Andrew Trick 62440096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "\n// {Name, NumUnits, SuperIdx}\n"; 62540096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "static const llvm::MCProcResourceDesc " 62640096d26937cd47c865464bef7b28550bc20c631Andrew Trick << ProcModel.ModelName << "ProcResources" << "[] = {\n" 62740096d26937cd47c865464bef7b28550bc20c631Andrew Trick << " {DBGFIELD(\"InvalidUnit\") 0, 0}" << Sep << "\n"; 62840096d26937cd47c865464bef7b28550bc20c631Andrew Trick 62940096d26937cd47c865464bef7b28550bc20c631Andrew Trick for (unsigned i = 0, e = ProcModel.ProcResourceDefs.size(); i < e; ++i) { 63040096d26937cd47c865464bef7b28550bc20c631Andrew Trick Record *PRDef = ProcModel.ProcResourceDefs[i]; 63140096d26937cd47c865464bef7b28550bc20c631Andrew Trick 63240096d26937cd47c865464bef7b28550bc20c631Andrew Trick // Find the SuperIdx 63340096d26937cd47c865464bef7b28550bc20c631Andrew Trick unsigned SuperIdx = 0; 63440096d26937cd47c865464bef7b28550bc20c631Andrew Trick Record *SuperDef = 0; 63540096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (PRDef->getValueInit("Super")->isComplete()) { 63640096d26937cd47c865464bef7b28550bc20c631Andrew Trick SuperDef = 63740096d26937cd47c865464bef7b28550bc20c631Andrew Trick SchedModels.findProcResUnits(PRDef->getValueAsDef("Super"), ProcModel); 63840096d26937cd47c865464bef7b28550bc20c631Andrew Trick SuperIdx = ProcModel.getProcResourceIdx(SuperDef); 63940096d26937cd47c865464bef7b28550bc20c631Andrew Trick } 64040096d26937cd47c865464bef7b28550bc20c631Andrew Trick // Emit the ProcResourceDesc 64140096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (i+1 == e) 64240096d26937cd47c865464bef7b28550bc20c631Andrew Trick Sep = ' '; 64340096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " {DBGFIELD(\"" << PRDef->getName() << "\") "; 64440096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (PRDef->getName().size() < 15) 64540096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS.indent(15 - PRDef->getName().size()); 64640096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << PRDef->getValueAsInt("NumUnits") << ", " << SuperIdx 64740096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "}" << Sep << " // #" << i+1; 64840096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (SuperDef) 64940096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << ", Super=" << SuperDef->getName(); 65040096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "\n"; 65140096d26937cd47c865464bef7b28550bc20c631Andrew Trick } 65240096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "};\n"; 65340096d26937cd47c865464bef7b28550bc20c631Andrew Trick} 65440096d26937cd47c865464bef7b28550bc20c631Andrew Trick 65552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// Find the WriteRes Record that defines processor resources for this 65652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// SchedWrite. 65752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew TrickRecord *SubtargetEmitter::FindWriteResources( 65892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &SchedWrite, const CodeGenProcModel &ProcModel) { 65952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 66052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check if the SchedWrite is already subtarget-specific and directly 66152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // specifies a set of processor resources. 66292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (SchedWrite.TheDef->isSubClassOf("SchedWriteRes")) 66392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return SchedWrite.TheDef; 66492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick 66592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // Check this processor's list of aliases for SchedWrite. 66692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *AliasDef = 0; 66792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick for (RecIter AI = SchedWrite.Aliases.begin(), AE = SchedWrite.Aliases.end(); 66892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AI != AE; ++AI) { 66992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &AliasRW = 67092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick SchedModels.getSchedRW((*AI)->getValueAsDef("AliasRW")); 67192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ModelDef = AliasRW.TheDef->getValueAsDef("SchedModel"); 67292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (&SchedModels.getProcModel(ModelDef) != &ProcModel) 67392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick continue; 67492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef) 67592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick throw TGError(AliasRW.TheDef->getLoc(), "Multiple aliases " 67692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "defined for processor " + ProcModel.ModelName + 67792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick " Ensure only one SchedAlias exists per RW."); 67892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AliasDef = AliasRW.TheDef; 67992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 68092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef && AliasDef->isSubClassOf("SchedWriteRes")) 68192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return AliasDef; 68252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 68352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check this processor's list of write resources. 68492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ResDef = 0; 68552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter WRI = ProcModel.WriteResDefs.begin(), 68652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WRE = ProcModel.WriteResDefs.end(); WRI != WRE; ++WRI) { 68752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!(*WRI)->isSubClassOf("WriteRes")) 68852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 68992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef == (*WRI)->getValueAsDef("WriteType") 69092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick || SchedWrite.TheDef == (*WRI)->getValueAsDef("WriteType")) { 69192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (ResDef) { 69292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick throw TGError((*WRI)->getLoc(), "Resources are defined for both " 69392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "SchedWrite and its alias on processor " + 69492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ProcModel.ModelName); 69592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 69692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ResDef = *WRI; 69792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 69852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 69992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // TODO: If ProcModel has a base model (previous generation processor), 70092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // then call FindWriteResources recursively with that model here. 70192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (!ResDef) { 70292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick throw TGError(ProcModel.ModelDef->getLoc(), 70392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick std::string("Processor does not define resources for ") 70492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick + SchedWrite.TheDef->getName()); 70592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 70692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return ResDef; 70752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 70852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 70952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick/// Find the ReadAdvance record for the given SchedRead on this processor or 71052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick/// return NULL. 71192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew TrickRecord *SubtargetEmitter::FindReadAdvance(const CodeGenSchedRW &SchedRead, 71252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick const CodeGenProcModel &ProcModel) { 71352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check for SchedReads that directly specify a ReadAdvance. 71492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (SchedRead.TheDef->isSubClassOf("SchedReadAdvance")) 71592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return SchedRead.TheDef; 71692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick 71792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // Check this processor's list of aliases for SchedRead. 71892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *AliasDef = 0; 71992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick for (RecIter AI = SchedRead.Aliases.begin(), AE = SchedRead.Aliases.end(); 72092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AI != AE; ++AI) { 72192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick const CodeGenSchedRW &AliasRW = 72292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick SchedModels.getSchedRW((*AI)->getValueAsDef("AliasRW")); 72392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ModelDef = AliasRW.TheDef->getValueAsDef("SchedModel"); 72492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (&SchedModels.getProcModel(ModelDef) != &ProcModel) 72592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick continue; 72692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef) 72792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick throw TGError(AliasRW.TheDef->getLoc(), "Multiple aliases " 72892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "defined for processor " + ProcModel.ModelName + 72992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick " Ensure only one SchedAlias exists per RW."); 73092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick AliasDef = AliasRW.TheDef; 73192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 73292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef && AliasDef->isSubClassOf("SchedReadAdvance")) 73392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return AliasDef; 73452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 73552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check this processor's ReadAdvanceList. 73692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ResDef = 0; 73752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter RAI = ProcModel.ReadAdvanceDefs.begin(), 73852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAE = ProcModel.ReadAdvanceDefs.end(); RAI != RAE; ++RAI) { 73952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!(*RAI)->isSubClassOf("ReadAdvance")) 74052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 74192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (AliasDef == (*RAI)->getValueAsDef("ReadType") 74292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick || SchedRead.TheDef == (*RAI)->getValueAsDef("ReadType")) { 74392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (ResDef) { 74492649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick throw TGError((*RAI)->getLoc(), "Resources are defined for both " 74592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick "SchedRead and its alias on processor " + 74692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ProcModel.ModelName); 74792649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 74892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick ResDef = *RAI; 74992649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick } 75052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 75192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // TODO: If ProcModel has a base model (previous generation processor), 75292649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick // then call FindReadAdvance recursively with that model here. 75392649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick if (!ResDef && SchedRead.TheDef->getName() != "ReadDefault") { 75452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick throw TGError(ProcModel.ModelDef->getLoc(), 75552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::string("Processor does not define resources for ") 75692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick + SchedRead.TheDef->getName()); 75752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 75892649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick return ResDef; 75952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 76052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 76152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// Generate the SchedClass table for this processor and update global 76252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick// tables. Must be called for each processor in order. 76352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trickvoid SubtargetEmitter::GenSchedClassTables(const CodeGenProcModel &ProcModel, 76452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables &SchedTables) { 76552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ProcSchedClasses.resize(SchedTables.ProcSchedClasses.size() + 1); 76652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!ProcModel.hasInstrSchedModel()) 76752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick return; 76852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 76952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCSchedClassDesc> &SCTab = SchedTables.ProcSchedClasses.back(); 77052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (CodeGenSchedModels::SchedClassIter SCI = SchedModels.schedClassBegin(), 77152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCE = SchedModels.schedClassEnd(); SCI != SCE; ++SCI) { 77252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCTab.resize(SCTab.size() + 1); 77352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCSchedClassDesc &SCDesc = SCTab.back(); 774e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick // SCDesc.Name is guarded by NDEBUG 77552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = 0; 77652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.BeginGroup = false; 77752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.EndGroup = false; 77852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = 0; 77952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteLatencyIdx = 0; 78052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = 0; 78152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 78252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // A Variant SchedClass has no resources of its own. 78352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!SCI->Transitions.empty()) { 78452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::VariantNumMicroOps; 78552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 78652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 78752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 78852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Determine if the SchedClass is actually reachable on this processor. If 78952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // not don't try to locate the processor resources, it will fail. 79052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // If ProcIndices contains 0, this class applies to all processors. 79152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(!SCI->ProcIndices.empty() && "expect at least one procidx"); 79252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (SCI->ProcIndices[0] != 0) { 79352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxIter PIPos = std::find(SCI->ProcIndices.begin(), 79452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCI->ProcIndices.end(), ProcModel.Index); 79552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (PIPos == SCI->ProcIndices.end()) 79652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 79752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 79852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec Writes = SCI->Writes; 79952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec Reads = SCI->Reads; 80052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (SCI->ItinClassDef) { 80152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(SCI->InstRWs.empty() && "ItinClass should not have InstRWs"); 80252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Check this processor's itinerary class resources. 80352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter II = ProcModel.ItinRWDefs.begin(), 80452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IE = ProcModel.ItinRWDefs.end(); II != IE; ++II) { 80552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RecVec Matched = (*II)->getValueAsListOfDefs("MatchedItinClasses"); 80652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (std::find(Matched.begin(), Matched.end(), SCI->ItinClassDef) 80752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick != Matched.end()) { 80852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedModels.findRWs((*II)->getValueAsListOfDefs("OperandReadWrites"), 80952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Writes, Reads); 81052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 81152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 81252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 81352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (Writes.empty()) { 81452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick DEBUG(dbgs() << ProcModel.ItinsDef->getName() 81552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick << " does not have resources for itinerary class " 81652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick << SCI->ItinClassDef->getName() << '\n'); 81752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 81852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 81952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else if (!SCI->InstRWs.empty()) { 82052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(SCI->Writes.empty() && SCI->Reads.empty() && 82152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick "InstRW class should not have its own ReadWrites"); 82252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Record *RWDef = 0; 82352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter RWI = SCI->InstRWs.begin(), RWE = SCI->InstRWs.end(); 82452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RWI != RWE; ++RWI) { 82552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Record *RWModelDef = (*RWI)->getValueAsDef("SchedModel"); 82652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (&ProcModel == &SchedModels.getProcModel(RWModelDef)) { 82752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RWDef = *RWI; 82852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 82952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 83052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 83152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (RWDef) { 83252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedModels.findRWs(RWDef->getValueAsListOfDefs("OperandReadWrites"), 83352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick Writes, Reads); 83452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 83552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 83652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Sum resources across all operand writes. 83752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry> WriteProcResources; 83852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry> WriteLatencies; 8393b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::vector<std::string> WriterNames; 84052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry> ReadAdvanceEntries; 84152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (IdxIter WI = Writes.begin(), WE = Writes.end(); WI != WE; ++WI) { 84252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec WriteSeq; 84352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedModels.expandRWSequence(*WI, WriteSeq, /*IsRead=*/false); 84452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 84552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // For each operand, create a latency entry. 84652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCWriteLatencyEntry WLEntry; 84752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WLEntry.Cycles = 0; 8483b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick unsigned WriteID = WriteSeq.back(); 8493b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.push_back(SchedModels.getSchedWrite(WriteID).Name); 8503b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick // If this Write is not referenced by a ReadAdvance, don't distinguish it 8513b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick // from other WriteLatency entries. 8523b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick if (!SchedModels.hasReadOfWrite(SchedModels.getSchedWrite(WriteID).TheDef)) { 8533b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteID = 0; 8543b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 8553b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WLEntry.WriteResourceID = WriteID; 85652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 85752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (IdxIter WSI = WriteSeq.begin(), WSE = WriteSeq.end(); 85852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WSI != WSE; ++WSI) { 85952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 86092649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *WriteRes = 86192649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick FindWriteResources(SchedModels.getSchedWrite(*WSI), ProcModel); 86252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 86352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Mark the parent class as invalid for unsupported write types. 86452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (WriteRes->getValueAsBit("Unsupported")) { 86552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::InvalidNumMicroOps; 86652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 86752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 86852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WLEntry.Cycles += WriteRes->getValueAsInt("Latency"); 86952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps += WriteRes->getValueAsInt("NumMicroOps"); 87052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.BeginGroup |= WriteRes->getValueAsBit("BeginGroup"); 87152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.EndGroup |= WriteRes->getValueAsBit("EndGroup"); 87252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 87352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Create an entry for each ProcResource listed in WriteRes. 87452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RecVec PRVec = WriteRes->getValueAsListOfDefs("ProcResources"); 87552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<int64_t> Cycles = 87652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteRes->getValueAsListOfInts("ResourceCycles"); 87752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (unsigned PRIdx = 0, PREnd = PRVec.size(); 87852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick PRIdx != PREnd; ++PRIdx) { 87952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCWriteProcResEntry WPREntry; 88052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WPREntry.ProcResourceIdx = ProcModel.getProcResourceIdx(PRVec[PRIdx]); 88152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick assert(WPREntry.ProcResourceIdx && "Bad ProcResourceIdx"); 88252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (Cycles.size() > PRIdx) 88352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WPREntry.Cycles = Cycles[PRIdx]; 88452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else 88552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WPREntry.Cycles = 1; 88652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.push_back(WPREntry); 88752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 88852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 88952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.push_back(WLEntry); 89052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 89152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Create an entry for each operand Read in this SchedClass. 89252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Entries must be sorted first by UseIdx then by WriteResourceID. 89352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (unsigned UseIdx = 0, EndIdx = Reads.size(); 89452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick UseIdx != EndIdx; ++UseIdx) { 89592649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick Record *ReadAdvance = 89692649883119aaa8edd9ccf612eaaff5ccc8fcc77Andrew Trick FindReadAdvance(SchedModels.getSchedRead(Reads[UseIdx]), ProcModel); 89752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (!ReadAdvance) 89852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick continue; 89952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 90052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Mark the parent class as invalid for unsupported write types. 90152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (ReadAdvance->getValueAsBit("Unsupported")) { 90252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumMicroOps = MCSchedClassDesc::InvalidNumMicroOps; 90352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick break; 90452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 90552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RecVec ValidWrites = ReadAdvance->getValueAsListOfDefs("ValidWrites"); 90652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick IdxVec WriteIDs; 90752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (ValidWrites.empty()) 90852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteIDs.push_back(0); 90952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 91052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (RecIter VWI = ValidWrites.begin(), VWE = ValidWrites.end(); 91152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick VWI != VWE; ++VWI) { 91252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteIDs.push_back(SchedModels.getSchedRWIdx(*VWI, /*IsRead=*/false)); 91352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 91452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 91552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::sort(WriteIDs.begin(), WriteIDs.end()); 91652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for(IdxIter WI = WriteIDs.begin(), WE = WriteIDs.end(); WI != WE; ++WI) { 91752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick MCReadAdvanceEntry RAEntry; 91852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.UseIdx = UseIdx; 91952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.WriteResourceID = *WI; 92052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick RAEntry.Cycles = ReadAdvance->getValueAsInt("Cycles"); 92152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.push_back(RAEntry); 92252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 92352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 92452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (SCDesc.NumMicroOps == MCSchedClassDesc::InvalidNumMicroOps) { 92552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.clear(); 92652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.clear(); 92752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.clear(); 92852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 92952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Add the information for this SchedClass to the global tables using basic 93052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // compression. 93152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // 93252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // WritePrecRes entries are sorted by ProcResIdx. 93352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::sort(WriteProcResources.begin(), WriteProcResources.end(), 93452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick LessWriteProcResources()); 93552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 93652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumWriteProcResEntries = WriteProcResources.size(); 93752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteProcResEntry>::iterator WPRPos = 93852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.WriteProcResources.begin(), 93952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteProcResources.end(), 94052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.begin(), WriteProcResources.end()); 94152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (WPRPos != SchedTables.WriteProcResources.end()) 94252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = WPRPos - SchedTables.WriteProcResources.begin(); 94352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 94452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteProcResIdx = SchedTables.WriteProcResources.size(); 94552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteProcResources.insert(WPRPos, WriteProcResources.begin(), 94652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteProcResources.end()); 94752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 94852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // Latency entries must remain in operand order. 94952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumWriteLatencyEntries = WriteLatencies.size(); 95052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCWriteLatencyEntry>::iterator WLPos = 95152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.WriteLatencies.begin(), 95252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.WriteLatencies.end(), 95352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick WriteLatencies.begin(), WriteLatencies.end()); 9543b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick if (WLPos != SchedTables.WriteLatencies.end()) { 9553b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick unsigned idx = WLPos - SchedTables.WriteLatencies.begin(); 9563b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SCDesc.WriteLatencyIdx = idx; 9573b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick for (unsigned i = 0, e = WriteLatencies.size(); i < e; ++i) 9583b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick if (SchedTables.WriterNames[idx + i].find(WriterNames[i]) == 9593b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick std::string::npos) { 9603b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriterNames[idx + i] += std::string("_") + WriterNames[i]; 9613b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 9623b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick } 96352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 96452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.WriteLatencyIdx = SchedTables.WriteLatencies.size(); 9653b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriteLatencies.insert(SchedTables.WriteLatencies.end(), 9663b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteLatencies.begin(), 9673b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriteLatencies.end()); 9683b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick SchedTables.WriterNames.insert(SchedTables.WriterNames.end(), 9693b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick WriterNames.begin(), WriterNames.end()); 97052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 97152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick // ReadAdvanceEntries must remain in operand order. 97252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.NumReadAdvanceEntries = ReadAdvanceEntries.size(); 97352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::vector<MCReadAdvanceEntry>::iterator RAPos = 97452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick std::search(SchedTables.ReadAdvanceEntries.begin(), 97552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ReadAdvanceEntries.end(), 97652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.begin(), ReadAdvanceEntries.end()); 97752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick if (RAPos != SchedTables.ReadAdvanceEntries.end()) 97852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = RAPos - SchedTables.ReadAdvanceEntries.begin(); 97952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick else { 98052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SCDesc.ReadAdvanceIdx = SchedTables.ReadAdvanceEntries.size(); 98152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedTables.ReadAdvanceEntries.insert(RAPos, ReadAdvanceEntries.begin(), 98252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick ReadAdvanceEntries.end()); 98352c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 98452c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 98552c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick} 98652c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 987544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick// Emit SchedClass tables for all processors and associated global tables. 988544c88039f16706d6764c65fda276a11f2c586d6Andrew Trickvoid SubtargetEmitter::EmitSchedClassTables(SchedClassTables &SchedTables, 989544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick raw_ostream &OS) { 990544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global WriteProcResTable. 991544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {ProcResourceIdx, Cycles}\n" 992544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCWriteProcResEntry " 993544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteProcResTable[] = {\n" 994544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " { 0, 0}, // Invalid\n"; 995544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned WPRIdx = 1, WPREnd = SchedTables.WriteProcResources.size(); 996544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick WPRIdx != WPREnd; ++WPRIdx) { 997544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCWriteProcResEntry &WPREntry = SchedTables.WriteProcResources[WPRIdx]; 998544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << format("%2d", WPREntry.ProcResourceIdx) << ", " 999544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", WPREntry.Cycles) << "}"; 1000544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (WPRIdx + 1 < WPREnd) 1001544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1002544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << WPRIdx << '\n'; 1003544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1004544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "WriteProcResTable\n"; 1005544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1006544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global WriteLatencyTable. 1007544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {Cycles, WriteResourceID}\n" 1008544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCWriteLatencyEntry " 1009544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteLatencyTable[] = {\n" 1010544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " { 0, 0}, // Invalid\n"; 1011544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned WLIdx = 1, WLEnd = SchedTables.WriteLatencies.size(); 1012544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick WLIdx != WLEnd; ++WLIdx) { 1013544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCWriteLatencyEntry &WLEntry = SchedTables.WriteLatencies[WLIdx]; 1014544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << format("%2d", WLEntry.Cycles) << ", " 1015544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", WLEntry.WriteResourceID) << "}"; 1016544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (WLIdx + 1 < WLEnd) 1017544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 10183b8fb648c6e1c519b7e0f487f4fb511744869d35Andrew Trick OS << " // #" << WLIdx << " " << SchedTables.WriterNames[WLIdx] << '\n'; 1019544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1020544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "WriteLatencyTable\n"; 1021544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1022544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit global ReadAdvanceTable. 1023544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {UseIdx, WriteResourceID, Cycles}\n" 1024544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "extern const llvm::MCReadAdvanceEntry " 1025544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "ReadAdvanceTable[] = {\n" 1026544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " {0, 0, 0}, // Invalid\n"; 1027544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned RAIdx = 1, RAEnd = SchedTables.ReadAdvanceEntries.size(); 1028544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick RAIdx != RAEnd; ++RAIdx) { 1029544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCReadAdvanceEntry &RAEntry = SchedTables.ReadAdvanceEntries[RAIdx]; 1030544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {" << RAEntry.UseIdx << ", " 1031544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", RAEntry.WriteResourceID) << ", " 1032544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << format("%2d", RAEntry.Cycles) << "}"; 1033544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (RAIdx + 1 < RAEnd) 1034544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1035544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << RAIdx << '\n'; 1036544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1037544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << Target << "ReadAdvanceTable\n"; 1038544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1039544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit a SchedClass table for each processor. 1040544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 1041544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 1042544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (!PI->hasInstrSchedModel()) 1043544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick continue; 1044544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1045544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick std::vector<MCSchedClassDesc> &SCTab = 1046544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick SchedTables.ProcSchedClasses[1 + PI - SchedModels.procModelBegin()]; 1047544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1048544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// {Name, NumMicroOps, BeginGroup, EndGroup," 1049544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << " WriteProcResIdx,#, WriteLatencyIdx,#, ReadAdvanceIdx,#}\n"; 1050544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "static const llvm::MCSchedClassDesc " 1051544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << PI->ModelName << "SchedClasses[] = {\n"; 1052544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1053544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // The first class is always invalid. We no way to distinguish it except by 1054544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // name and position. 1055e4095f95ac2480aabbe289f41723b53ac1c82a98Andrew Trick assert(SchedModels.getSchedClass(0).Name == "NoItinerary" 1056544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick && "invalid class not first"); 1057544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {DBGFIELD(\"InvalidSchedClass\") " 1058544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << MCSchedClassDesc::InvalidNumMicroOps 1059544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", 0, 0, 0, 0, 0, 0, 0, 0},\n"; 1060544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1061544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick for (unsigned SCIdx = 1, SCEnd = SCTab.size(); SCIdx != SCEnd; ++SCIdx) { 1062544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick MCSchedClassDesc &MCDesc = SCTab[SCIdx]; 1063544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick const CodeGenSchedClass &SchedClass = SchedModels.getSchedClass(SCIdx); 1064544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " {DBGFIELD(\"" << SchedClass.Name << "\") "; 1065544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (SchedClass.Name.size() < 18) 1066544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS.indent(18 - SchedClass.Name.size()); 1067544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << MCDesc.NumMicroOps 1068544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.BeginGroup << ", " << MCDesc.EndGroup 1069544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.WriteProcResIdx) 1070544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumWriteProcResEntries 1071544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.WriteLatencyIdx) 1072544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumWriteLatencyEntries 1073544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << format("%2d", MCDesc.ReadAdvanceIdx) 1074544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << ", " << MCDesc.NumReadAdvanceEntries << "}"; 1075544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick if (SCIdx + 1 < SCEnd) 1076544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << ','; 1077544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << " // #" << SCIdx << '\n'; 1078544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1079544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "}; // " << PI->ModelName << "SchedClasses\n"; 1080544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick } 1081544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick} 1082544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 10832661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitProcessorModels(raw_ostream &OS) { 10842661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // For each processor model. 10852661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 10862661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 108740096d26937cd47c865464bef7b28550bc20c631Andrew Trick // Emit processor resource table. 108840096d26937cd47c865464bef7b28550bc20c631Andrew Trick if (PI->hasInstrSchedModel()) 108940096d26937cd47c865464bef7b28550bc20c631Andrew Trick EmitProcessorResources(*PI, OS); 109040096d26937cd47c865464bef7b28550bc20c631Andrew Trick else if(!PI->ProcResourceDefs.empty()) 109140096d26937cd47c865464bef7b28550bc20c631Andrew Trick throw TGError(PI->ModelDef->getLoc(), "SchedMachineModel defines " 109252c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick "ProcResources without defining WriteRes SchedWriteRes"); 109340096d26937cd47c865464bef7b28550bc20c631Andrew Trick 10942661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick // Begin processor itinerary properties 10952661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "\n"; 10962661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick OS << "static const llvm::MCSchedModel " << PI->ModelName << "(\n"; 10972661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "IssueWidth", ','); 10982661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "MinLatency", ','); 10992661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "LoadLatency", ','); 11002661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "HighLatency", ','); 1101d43b5c97cff06d7840b974ca84fa0639d2567968Andrew Trick EmitProcessorProp(OS, PI->ModelDef, "MispredictPenalty", ','); 1102e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " " << PI->Index << ", // Processor ID\n"; 1103e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick if (PI->hasInstrSchedModel()) 1104e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " " << PI->ModelName << "ProcResources" << ",\n" 1105e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << PI->ModelName << "SchedClasses" << ",\n" 1106e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << PI->ProcResourceDefs.size()+1 << ",\n" 1107e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << " " << (SchedModels.schedClassEnd() 1108e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick - SchedModels.schedClassBegin()) << ",\n"; 1109e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick else 1110e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << " 0, 0, 0, 0, // No instruction-level machine model.\n"; 11112661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (SchedModels.hasItineraryClasses()) 111240096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " " << PI->ItinsDef->getName() << ");\n"; 11132661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick else 111440096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " 0); // No Itinerary\n"; 11152661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick } 11162661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick} 11172661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick 111810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 111910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// EmitProcessorLookup - generate cpu name to itinerary lookup table. 112010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 11211a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::EmitProcessorLookup(raw_ostream &OS) { 112210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Gather and sort processor information 112310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey std::vector<Record*> ProcessorList = 112410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Records.getAllDerivedDefinitions("Processor"); 112542d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 112610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 112710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Begin processor table 112810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 112910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "// Sorted (by key) array of itineraries for CPU subtype.\n" 11301a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer << "extern const llvm::SubtargetInfoKV " 11312661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick << Target << "ProcSchedKV[] = {\n"; 1132da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 113310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // For each processor 113410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 113510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Next processor 113610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Record *Processor = ProcessorList[i]; 113710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 11384222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 11392661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick const std::string &ProcModelName = 114048605c340614fc1fb2ae1d975fc565a4188182e0Andrew Trick SchedModels.getModelForProc(Processor).ModelName; 1141da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 114210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Emit as { "cpu", procinit }, 114340096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << " { \"" << Name << "\", (const void *)&" << ProcModelName << " }"; 1144da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 114510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on ''if more in the list'' emit comma 114610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey if (++i < N) OS << ","; 1147da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 114810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 114910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey } 1150da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick 115110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // End processor table 115210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "};\n"; 11530d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 11540d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 11550d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 11562661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick// EmitSchedModel - Emits all scheduling model tables, folding common patterns. 11570d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 11582661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trickvoid SubtargetEmitter::EmitSchedModel(raw_ostream &OS) { 115940096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "#ifdef DBGFIELD\n" 116040096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#error \"<target>GenSubtargetInfo.inc requires a DBGFIELD macro\"\n" 116140096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#endif\n" 116240096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#ifndef NDEBUG\n" 116340096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#define DBGFIELD(x) x,\n" 116440096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#else\n" 116540096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#define DBGFIELD(x)\n" 116640096d26937cd47c865464bef7b28550bc20c631Andrew Trick << "#endif\n"; 116740096d26937cd47c865464bef7b28550bc20c631Andrew Trick 11682661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (SchedModels.hasItineraryClasses()) { 11692661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick std::vector<std::vector<InstrItinerary> > ProcItinLists; 11706cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit the stage data 11712661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitStageAndOperandCycleData(OS, ProcItinLists); 11722661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitItineraries(OS, ProcItinLists); 11736cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 1174544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "\n// ===============================================================\n" 1175544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << "// Data tables for the new per-operand machine model.\n"; 117640096d26937cd47c865464bef7b28550bc20c631Andrew Trick 117752c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick SchedClassTables SchedTables; 117852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick for (CodeGenSchedModels::ProcIter PI = SchedModels.procModelBegin(), 117952c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick PE = SchedModels.procModelEnd(); PI != PE; ++PI) { 118052c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick GenSchedClassTables(*PI, SchedTables); 118152c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick } 1182544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitSchedClassTables(SchedTables, OS); 1183544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 1184544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit the processor machine model 1185544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitProcessorModels(OS); 1186544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick // Emit the processor lookup data 1187544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick EmitProcessorLookup(OS); 118852c3a1d654a9d0af500a99cff4cd40c314ffb122Andrew Trick 118940096d26937cd47c865464bef7b28550bc20c631Andrew Trick OS << "#undef DBGFIELD"; 11900d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 11910d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 11924d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trickvoid SubtargetEmitter::EmitSchedModelHelpers(std::string ClassName, 11934d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick raw_ostream &OS) { 11944d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "unsigned " << ClassName 11954d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << "\n::resolveSchedClass(unsigned SchedClass, const MachineInstr *MI," 11964d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " const TargetSchedModel *SchedModel) const {\n"; 11974d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 11984d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::vector<Record*> Prologs = Records.getAllDerivedDefinitions("PredicateProlog"); 11994d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::sort(Prologs.begin(), Prologs.end(), LessRecord()); 12004d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<Record*>::const_iterator 12014d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick PI = Prologs.begin(), PE = Prologs.end(); PI != PE; ++PI) { 12024d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << (*PI)->getValueAsString("Code") << '\n'; 12034d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12044d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec VariantClasses; 12054d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (CodeGenSchedModels::SchedClassIter SCI = SchedModels.schedClassBegin(), 12064d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick SCE = SchedModels.schedClassEnd(); SCI != SCE; ++SCI) { 12074d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (SCI->Transitions.empty()) 12084d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick continue; 12094d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick VariantClasses.push_back(SCI - SchedModels.schedClassBegin()); 12104d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12114d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (!VariantClasses.empty()) { 12124d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " switch (SchedClass) {\n"; 12134d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (IdxIter VCI = VariantClasses.begin(), VCE = VariantClasses.end(); 12144d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick VCI != VCE; ++VCI) { 12154d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick const CodeGenSchedClass &SC = SchedModels.getSchedClass(*VCI); 12164d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " case " << *VCI << ": // " << SC.Name << '\n'; 12174d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec ProcIndices; 12184d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<CodeGenSchedTransition>::const_iterator 12194d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI = SC.Transitions.begin(), TE = SC.Transitions.end(); 12204d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI != TE; ++TI) { 12214d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick IdxVec PI; 12224d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::set_union(TI->ProcIndices.begin(), TI->ProcIndices.end(), 12234d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick ProcIndices.begin(), ProcIndices.end(), 12244d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick std::back_inserter(PI)); 12254d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick ProcIndices.swap(PI); 12264d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12274d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (IdxIter PI = ProcIndices.begin(), PE = ProcIndices.end(); 12284d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick PI != PE; ++PI) { 12294d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " "; 12304d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI != 0) 12314d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "if (SchedModel->getProcessorID() == " << *PI << ") "; 12324d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "{ // " << (SchedModels.procModelBegin() + *PI)->ModelName 12334d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << '\n'; 12344d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (std::vector<CodeGenSchedTransition>::const_iterator 12354d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI = SC.Transitions.begin(), TE = SC.Transitions.end(); 12364d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI != TE; ++TI) { 12374d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " if ("; 12384d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI != 0 && !std::count(TI->ProcIndices.begin(), 12394d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick TI->ProcIndices.end(), *PI)) { 12404d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick continue; 12414d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12424d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick for (RecIter RI = TI->PredTerm.begin(), RE = TI->PredTerm.end(); 12434d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick RI != RE; ++RI) { 12444d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (RI != TI->PredTerm.begin()) 12454d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "\n && "; 12464d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << "(" << (*RI)->getValueAsString("Predicate") << ")"; 12474d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12484d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << ")\n" 12494d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " return " << TI->ToClassIdx << "; // " 12504d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << SchedModels.getSchedClass(TI->ToClassIdx).Name << '\n'; 12514d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12524d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " }\n"; 12534d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (*PI == 0) 12544d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick break; 12554d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12564d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick unsigned SCIdx = 0; 12574d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (SC.ItinClassDef) 12584d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick SCIdx = SchedModels.getSchedClassIdxForItin(SC.ItinClassDef); 12594d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick else 12604d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick SCIdx = SchedModels.findSchedClassIdx(SC.Writes, SC.Reads); 12614d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick if (SCIdx != *VCI) 12624d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " return " << SCIdx << ";\n"; 12634d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " break;\n"; 12644d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12654d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " };\n"; 12664d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick } 12674d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick OS << " report_fatal_error(\"Expected a variant SchedClass\");\n" 12684d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << "} // " << ClassName << "::resolveSchedClass\n"; 12694d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick} 12704d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 12710d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 1272581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// ParseFeaturesFunction - Produces a subtarget specific function for parsing 1273581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// the subtarget features string. 1274581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 127594214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengvoid SubtargetEmitter::ParseFeaturesFunction(raw_ostream &OS, 127694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures, 127794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumProcs) { 1278f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> Features = 1279f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 128042d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(Features.begin(), Features.end(), LessRecord()); 1281581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 1282da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick OS << "// ParseSubtargetFeatures - Parses features string setting specified\n" 1283da96cf2029e47baf77df5c1ce6528a04246d6462Andrew Trick << "// subtarget options.\n" 1284276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng << "void llvm::"; 1285581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << Target; 12860ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << "Subtarget::ParseSubtargetFeatures(StringRef CPU, StringRef FS) {\n" 1287f0fd3afeffcb41202147f755bf770061f189a42bDavid Greene << " DEBUG(dbgs() << \"\\nFeatures:\" << FS);\n" 12883f696e568bae8afa5986e7af48156c2bac041ba7Hal Finkel << " DEBUG(dbgs() << \"\\nCPU:\" << CPU << \"\\n\\n\");\n"; 128994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 129094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (Features.empty()) { 129194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "}\n"; 129294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng return; 129394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } 129494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 129534aadd63346b5f9b98749a306b71fcb00ee6996fAndrew Trick OS << " InitMCProcessorInfo(CPU, FS);\n" 129634aadd63346b5f9b98749a306b71fcb00ee6996fAndrew Trick << " uint64_t Bits = getFeatureBits();\n"; 12974222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 1298f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0; i < Features.size(); i++) { 1299f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 1300f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *R = Features[i]; 13014222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Instance = R->getName(); 13024222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Value = R->getValueAsString("Value"); 13034222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Attribute = R->getValueAsString("Attribute"); 130419c95507443ebd4f1cee80917d540c8bd27f8fe1Evan Cheng 1305db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen if (Value=="true" || Value=="false") 13060ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << " if ((Bits & " << Target << "::" 13070ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << Instance << ") != 0) " 1308db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen << Attribute << " = " << Value << ";\n"; 1309db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen else 13100ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << " if ((Bits & " << Target << "::" 13110ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << Instance << ") != 0 && " 131294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Attribute << " < " << Value << ") " 131394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Attribute << " = " << Value << ";\n"; 13146cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 131541a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov 1316276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng OS << "}\n"; 1317581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey} 1318581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 131941a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov// 1320b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// SubtargetEmitter::run - Main subtarget enumeration emitter. 1321b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 13221a55180238dbcf11113f610aea010447e51f595bDaniel Dunbarvoid SubtargetEmitter::run(raw_ostream &OS) { 13236f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen emitSourceFileHeader("Subtarget Enumeration Source Fragment", OS); 1324b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 1325ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_ENUM\n"; 1326ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "#undef GET_SUBTARGETINFO_ENUM\n"; 1327ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 1328ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "namespace llvm {\n"; 1329ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Enumeration(OS, "SubtargetFeature", true); 1330ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "} // End llvm namespace \n"; 1331ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "#endif // GET_SUBTARGETINFO_ENUM\n\n"; 1332ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 133394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_MC_DESC\n"; 133494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_MC_DESC\n"; 1335928eb49cae286c95dceecf4442997dd561c6e3b7Anton Korobeynikov 133694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 1337c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#if 0 1338c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "namespace {\n"; 1339c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#endif 134094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumFeatures = FeatureKeyValues(OS); 1341c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 134294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng unsigned NumProcs = CPUKeyValues(OS); 1343c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 13442661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick EmitSchedModel(OS); 1345c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "\n"; 1346c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#if 0 1347c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng OS << "}\n"; 1348c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng#endif 134994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 135094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng // MCInstrInfo initialization routine. 135194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "static inline void Init" << Target 135259ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << "MCSubtargetInfo(MCSubtargetInfo *II, " 135359ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << "StringRef TT, StringRef CPU, StringRef FS) {\n"; 135459ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng OS << " II->InitMCSubtargetInfo(TT, CPU, FS, "; 135594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumFeatures) 135694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "FeatureKV, "; 135794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 135894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 135994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumProcs) 136094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "SubTypeKV, "; 136194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 136294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 1363544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << '\n'; OS.indent(22); 1364e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "ProcSchedKV, " 1365e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteProcResTable, " 1366e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteLatencyTable, " 1367e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "ReadAdvanceTable, "; 13682661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (SchedModels.hasItineraryClasses()) { 1369e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 1370e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "Stages, " 137194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "OperandCycles, " 1372a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick << Target << "ForwardingPaths, "; 137394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } else 1374e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << "0, 0, 0, "; 137594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << NumFeatures << ", " << NumProcs << ");\n}\n\n"; 137694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 137794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 137894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 137994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_MC_DESC\n\n"; 138094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 138194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_TARGET_DESC\n"; 138294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_TARGET_DESC\n"; 138394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 138494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#include \"llvm/Support/Debug.h\"\n"; 138594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#include \"llvm/Support/raw_ostream.h\"\n"; 138694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng ParseFeaturesFunction(OS, NumFeatures, NumProcs); 138794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 138894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_TARGET_DESC\n\n"; 138994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 13905b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng // Create a TargetSubtargetInfo subclass to hide the MC layer initialization. 139194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_HEADER\n"; 139294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_HEADER\n"; 139394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 139494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng std::string ClassName = Target + "GenSubtargetInfo"; 139594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 1396dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta OS << "class DFAPacketizer;\n"; 13975b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng OS << "struct " << ClassName << " : public TargetSubtargetInfo {\n" 13980ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << " explicit " << ClassName << "(StringRef TT, StringRef CPU, " 13990ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << "StringRef FS);\n" 1400dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta << "public:\n" 14014d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " unsigned resolveSchedClass(unsigned SchedClass, const MachineInstr *DefMI," 14024d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick << " const TargetSchedModel *SchedModel) const;\n" 1403464f3a332f81364ee09794f9502f0b25671149c6Sebastian Pop << " DFAPacketizer *createDFAPacketizer(const InstrItineraryData *IID)" 1404dc81e5da271ed394e2029c83458773c4ae2fc5f4Anshuman Dasgupta << " const;\n" 140594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << "};\n"; 140694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 140794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 140894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_HEADER\n\n"; 140994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 141094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "\n#ifdef GET_SUBTARGETINFO_CTOR\n"; 141194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#undef GET_SUBTARGETINFO_CTOR\n"; 141294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 1413ee290ba35af88393ba18dd19e6e39d50c7872534Andrew Trick OS << "#include \"llvm/CodeGen/TargetSchedule.h\"\n"; 141494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "namespace llvm {\n"; 14151a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::SubtargetFeatureKV " << Target << "FeatureKV[];\n"; 14161a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::SubtargetFeatureKV " << Target << "SubTypeKV[];\n"; 1417544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::SubtargetInfoKV " << Target << "ProcSchedKV[];\n"; 1418544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCWriteProcResEntry " 1419544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteProcResTable[];\n"; 1420544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCWriteLatencyEntry " 1421544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "WriteLatencyTable[];\n"; 1422544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick OS << "extern const llvm::MCReadAdvanceEntry " 1423544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick << Target << "ReadAdvanceTable[];\n"; 1424544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 14252661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (SchedModels.hasItineraryClasses()) { 14261a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const llvm::InstrStage " << Target << "Stages[];\n"; 14271a2f9886a2a60dbd41216468a240446bbfed3e76Benjamin Kramer OS << "extern const unsigned " << Target << "OperandCycles[];\n"; 1428a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick OS << "extern const unsigned " << Target << "ForwardingPaths[];\n"; 1429c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng } 1430c60f9b752381baa6c4b80c0739034660f1748c84Evan Cheng 14310ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng OS << ClassName << "::" << ClassName << "(StringRef TT, StringRef CPU, " 14320ddff1b5359433faf2eb1c4ff5320ddcbd42f52fEvan Cheng << "StringRef FS)\n" 14335b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng << " : TargetSubtargetInfo() {\n" 143459ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng << " InitMCSubtargetInfo(TT, CPU, FS, "; 143594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumFeatures) 143694214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "FeatureKV, "; 143794214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 143894214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 143994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng if (NumProcs) 144094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << Target << "SubTypeKV, "; 144194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng else 144294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "0, "; 1443e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 1444e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "ProcSchedKV, " 1445e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteProcResTable, " 1446e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "WriteLatencyTable, " 1447e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick << Target << "ReadAdvanceTable, "; 1448e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << '\n'; OS.indent(22); 14492661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick if (SchedModels.hasItineraryClasses()) { 1450e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << Target << "Stages, " 145194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng << Target << "OperandCycles, " 1452a11a6287a504d1d7503e744d14314df1e696f506Andrew Trick << Target << "ForwardingPaths, "; 145394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng } else 1454e127dfd0b175b5a336e61fecaad7fc2aec65d95cAndrew Trick OS << "0, 0, 0, "; 145594214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << NumFeatures << ", " << NumProcs << ");\n}\n\n"; 1456544c88039f16706d6764c65fda276a11f2c586d6Andrew Trick 14574d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick EmitSchedModelHelpers(ClassName, OS); 14584d2d1c49d7262c55302a6ffd995e5e13fe522091Andrew Trick 145994214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "} // End llvm namespace \n"; 146094214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 146194214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng OS << "#endif // GET_SUBTARGETINFO_CTOR\n\n"; 1462b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 14636f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 14646f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace llvm { 14656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 14666f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenvoid EmitSubtarget(RecordKeeper &RK, raw_ostream &OS) { 14672661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick CodeGenTarget CGTarget(RK); 14682661b411ccc81b1fe19194d3f43b2630cbef3f28Andrew Trick SubtargetEmitter(RK, CGTarget).run(OS); 14696f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} 14706f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 14716f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End llvm namespace 1472