SubtargetEmitter.cpp revision db01c8ba26f288636d3f574a96af3499ee6d2579
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 "SubtargetEmitter.h" 154bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "CodeGenTarget.h" 164bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "Record.h" 174bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "llvm/ADT/StringExtras.h" 184bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey#include "llvm/Support/Debug.h" 199489c04efc47a68af65e226e50f03d488094ffceJeff Cohen#include <algorithm> 204bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskeyusing namespace llvm; 214bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 227dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 237dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// Record sort by name function. 247dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 257dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskeystruct LessRecord { 267dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey bool operator()(const Record *Rec1, const Record *Rec2) const { 277dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey return Rec1->getName() < Rec2->getName(); 287dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey } 297dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey}; 304bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 317dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 327dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// Record sort by field "Name" function. 337dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey// 347dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskeystruct LessRecordFieldName { 357dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey bool operator()(const Record *Rec1, const Record *Rec2) const { 367dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name"); 377dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey } 387dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey}; 397dc02047fbb4b014e914458f54ea539c8ae58316Jim Laskey 404bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey// 41581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// Enumeration - Emit the specified class as an enumeration. 42b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 43581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskeyvoid SubtargetEmitter::Enumeration(std::ostream &OS, 44581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey const char *ClassName, 45581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey bool isBits) { 46908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get all records of class and sort 47f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> DefList = Records.getAllDerivedDefinitions(ClassName); 4842d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(DefList.begin(), DefList.end(), LessRecord()); 494bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 50908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Open enumeration 51b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "enum {\n"; 524bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 53908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each record 54f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = DefList.size(); i < N;) { 55f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 56f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Def = DefList[i]; 57f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 58908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get and emit name 594222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << " " << Def->getName(); 60908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 61908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // If bit flags then emit expression (1 << i) 62f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (isBits) OS << " = " << " 1 << " << i; 63908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 6410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 65f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++i < N) OS << ","; 66f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 67f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 684bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 694bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey 70908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Close enumeration 71b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 72b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 73b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 74b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 754222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// FeatureKeyValues - Emit data of all the subtarget features. Used by the 764222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling// command line. 77b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 78b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskeyvoid SubtargetEmitter::FeatureKeyValues(std::ostream &OS) { 79908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort all the features 80f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> FeatureList = 81f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 8242d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(FeatureList.begin(), FeatureList.end(), LessRecord()); 83b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 84908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin feature table 85581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU features.\n" 86b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "static llvm::SubtargetFeatureKV FeatureKV[] = {\n"; 87908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 88908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each feature 89dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey for (unsigned i = 0, N = FeatureList.size(); i < N; ++i) { 90f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next feature 91f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Feature = FeatureList[i]; 92f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 934222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Feature->getName(); 944222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &CommandLineName = Feature->getValueAsString("Name"); 954222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Desc = Feature->getValueAsString("Desc"); 96908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 97dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if (CommandLineName.empty()) continue; 98dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey 994222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling // Emit as { "feature", "decription", feactureEnum, i1 | i2 | ... | in } 100b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 101f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey << "\"" << CommandLineName << "\", " 102b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Desc << "\", " 1034222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << Name << ", "; 1044222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 1054222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &ImpliesList = 1064222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling Feature->getValueAsListOfDefs("Implies"); 1074222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 1084222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (ImpliesList.empty()) { 1094222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << "0"; 1104222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } else { 1114222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling for (unsigned j = 0, M = ImpliesList.size(); j < M;) { 1124222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << ImpliesList[j]->getName(); 1134222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling if (++j < M) OS << " | "; 1144222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 1154222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling } 1164222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 1174222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << " }"; 118f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 11910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 120dbe4006cf3cf0802dc318a5f2070c04c326e170bJim Laskey if ((i + 1) < N) OS << ","; 121f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 122f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 123b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } 124908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 125908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End feature table 126b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 127b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 128908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit size of table 129b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS<<"\nenum {\n"; 130b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS<<" FeatureKVSize = sizeof(FeatureKV)/sizeof(llvm::SubtargetFeatureKV)\n"; 131b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS<<"};\n"; 132b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 133b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 134b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 135b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// CPUKeyValues - Emit data of all the subtarget processors. Used by command 136b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// line. 137b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 138b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskeyvoid SubtargetEmitter::CPUKeyValues(std::ostream &OS) { 139908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort processor information 140f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> ProcessorList = 141f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("Processor"); 14242d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 143b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 144908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin processor table 145581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// Sorted (by key) array of values for CPU subtype.\n" 146b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "static const llvm::SubtargetFeatureKV SubTypeKV[] = {\n"; 147908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 148908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each processor 149f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 150f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next processor 151f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Processor = ProcessorList[i]; 152f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 1534222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 1544222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &FeatureList = 155b0e103d46bf8799ac5523157a6ed4a78d1751a89Chris Lattner Processor->getValueAsListOfDefs("Features"); 1560d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 157908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit as { "cpu", "description", f1 | f2 | ... fn }, 158b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << " { " 159b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"" << Name << "\", " 160b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey << "\"Select the " << Name << " processor\", "; 161b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 162f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (FeatureList.empty()) { 163b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "0"; 164b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey } else { 165f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = FeatureList.size(); j < M;) { 1664222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << FeatureList[j]->getName(); 167f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) OS << " | "; 1684bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 1694bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 170b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 1714222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling // The "0" is for the "implies" section of this data structure. 1724222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling OS << ", 0 }"; 173f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 17410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on 'if more in the list' emit comma 175f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++i < N) OS << ","; 176f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 177f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << "\n"; 1784bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey } 179908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 180908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End processor table 181b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey OS << "};\n"; 182b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 183908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit size of table 184d4d079785187ce923edc245aee527e4768b1d180Chris Lattner OS<<"\nenum {\n"; 185d4d079785187ce923edc245aee527e4768b1d180Chris Lattner OS<<" SubTypeKVSize = sizeof(SubTypeKV)/sizeof(llvm::SubtargetFeatureKV)\n"; 186d4d079785187ce923edc245aee527e4768b1d180Chris Lattner OS<<"};\n"; 1874bb9cbb73075c350eadaf51d2dab8403764c9a60Jim Laskey} 188b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 189581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 1900d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// CollectAllItinClasses - Gathers and enumerates all the itinerary classes. 191908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey// Returns itinerary class count. 1920d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 1936cee630070b1a7183ed56a8404e812629f5ca538Jim Laskeyunsigned SubtargetEmitter::CollectAllItinClasses(std::ostream &OS, 1946cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey std::map<std::string, unsigned> &ItinClassesMap) { 195908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather and sort all itinerary classes 196f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> ItinClassList = 197f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("InstrItinClass"); 19842d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ItinClassList.begin(), ItinClassList.end(), LessRecord()); 199f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 200f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // For each itinerary class 201f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned N = ItinClassList.size(); 202f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0; i < N; i++) { 203f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next itinerary class 2044222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const Record *ItinClass = ItinClassList[i]; 205908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get name of itinerary class 206908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Assign itinerary class a unique number 2074222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling ItinClassesMap[ItinClass->getName()] = i; 2080d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 2090d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 2106cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit size of table 2116cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<"\nenum {\n"; 2126cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<" ItinClassesSize = " << N << "\n"; 2136cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<"};\n"; 2146cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey 215908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Return itinerary class count 216f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey return N; 2170d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 2180d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 2190d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 2200d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// FormItineraryString - Compose a string containing the data initialization 2210d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// for the specified itinerary. N is the number of stages. 2220d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 2230d841e05677bdc55d003720e85e12d28dfe31862Jim Laskeyvoid SubtargetEmitter::FormItineraryString(Record *ItinData, 2240d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey std::string &ItinString, 225f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned &NStages) { 226f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get states list 2274222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &StageList = 2284222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling ItinData->getValueAsListOfDefs("Stages"); 229908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 230908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each stage 231f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned N = NStages = StageList.size(); 2328dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb for (unsigned i = 0; i < N;) { 233f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next stage 2344222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const Record *Stage = StageList[i]; 235f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 236908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Form string as ,{ cycles, u1 | u2 | ... | un } 2370d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey int Cycles = Stage->getValueAsInt("Cycles"); 2387f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey ItinString += " { " + itostr(Cycles) + ", "; 2390d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 240f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get unit list 2414222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::vector<Record*> &UnitList = Stage->getValueAsListOfDefs("Units"); 242f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 243908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each unit 244f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = UnitList.size(); j < M;) { 245f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Add name and bitwise or 2464222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling ItinString += UnitList[j]->getName(); 247f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) ItinString += " | "; 2480d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 249908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 250908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Close off stage 251908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey ItinString += " }"; 2528dadf6b13a7cdd5b5b30c3b7af310c9756e4c68eChristopher Lamb if (++i < N) ItinString += ", "; 2530d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 2540d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 2550d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 2560d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 2570d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// EmitStageData - Generate unique itinerary stages. Record itineraries for 2580d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// processors. 2590d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 2600d841e05677bdc55d003720e85e12d28dfe31862Jim Laskeyvoid SubtargetEmitter::EmitStageData(std::ostream &OS, 261f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned NItinClasses, 262f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::map<std::string, unsigned> &ItinClassesMap, 263f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> > &ProcList) { 264908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Gather processor iteraries 265f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> ProcItinList = 266f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("ProcessorItineraries"); 267908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 268908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // If just no itinerary then don't bother 269f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (ProcItinList.size() < 2) return; 270908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 271908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin stages table 2720d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "static llvm::InstrStage Stages[] = {\n" 2737f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey " { 0, 0 }, // No itinerary\n"; 2740d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 275f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned ItinEnum = 1; 276f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::map<std::string, unsigned> ItinMap; 277f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = ProcItinList.size(); i < N; i++) { 278f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 279f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Proc = ProcItinList[i]; 280f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 281908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get processor itinerary name 2824222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Proc->getName(); 283908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 284908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Skip default 2850d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey if (Name == "NoItineraries") continue; 2860d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 287908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Create and expand processor itinerary to cover all itinerary classes 288f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<InstrItinerary> ItinList; 289f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey ItinList.resize(NItinClasses); 290f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 291f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Get itinerary data list 292b0e103d46bf8799ac5523157a6ed4a78d1751a89Chris Lattner std::vector<Record*> ItinDataList = Proc->getValueAsListOfDefs("IID"); 2930d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 294f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // For each itinerary data 295f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = ItinDataList.size(); j < M; j++) { 296f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next itinerary data 297f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *ItinData = ItinDataList[j]; 298f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 299908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get string and stage count 3000d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey std::string ItinString; 301f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey unsigned NStages; 302f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey FormItineraryString(ItinData, ItinString, NStages); 3030d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 304908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Check to see if it already exists 3050d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey unsigned Find = ItinMap[ItinString]; 3060d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 307908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // If new itinerary 3080d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey if (Find == 0) { 3097f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey // Emit as { cycles, u1 | u2 | ... | un }, // index 3107f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey OS << ItinString << ", // " << ItinEnum << "\n"; 3117f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey // Record Itin class number 312f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey ItinMap[ItinString] = Find = ItinEnum++; 3130d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3140d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 315908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Set up itinerary as location and location + stage count 316f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey InstrItinerary Intinerary = { Find, Find + NStages }; 3170d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 318908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Locate where to inject into processor itinerary table 3194222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = ItinData->getValueAsDef("TheClass")->getName(); 3200d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey Find = ItinClassesMap[Name]; 321908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 322908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Inject - empty slots will be 0, 0 323f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey ItinList[Find] = Intinerary; 3240d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3250d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 326908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Add process itinerary to list 327f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey ProcList.push_back(ItinList); 3280d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3290d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 3307f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey // Closing stage 3317f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey OS << " { 0, 0 } // End itinerary\n"; 332908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End stages table 3330d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "};\n"; 3346cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey 3356cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit size of table 3366cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<"\nenum {\n"; 3376cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<" StagesSize = sizeof(Stages)/sizeof(llvm::InstrStage)\n"; 3386cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS<<"};\n"; 3390d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 3400d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 3410d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 34210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// EmitProcessorData - Generate data for processor itineraries. 3430d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 34410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskeyvoid SubtargetEmitter::EmitProcessorData(std::ostream &OS, 345f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> > &ProcList) { 346908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get an iterator for processor itinerary stages 347f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> >::iterator 348f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey ProcListIter = ProcList.begin(); 349908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 350908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each processor itinerary 351f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> Itins = 352f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("ProcessorItineraries"); 353f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0, N = Itins.size(); i < N; i++) { 354f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 355f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *Itin = Itins[i]; 356f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 357908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Get processor itinerary name 3584222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Itin->getName(); 359908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 360908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Skip default 3610d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey if (Name == "NoItineraries") continue; 3620d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 363908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Begin processor itinerary table 3640d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "\n"; 3650d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "static llvm::InstrItinerary " << Name << "[] = {\n"; 3660d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 367908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // For each itinerary class 368f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<InstrItinerary> &ItinList = *ProcListIter++; 369f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned j = 0, M = ItinList.size(); j < M;) { 370f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey InstrItinerary &Intinerary = ItinList[j]; 3710d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 372908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Emit in the form of { first, last } // index 3730d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey if (Intinerary.First == 0) { 3740d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << " { 0, 0 }"; 3750d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } else { 3760d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << " { " << Intinerary.First << ", " << Intinerary.Last << " }"; 3770d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 3780d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 379f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // If more in list add comma 380f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey if (++j < M) OS << ","; 381f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey 382f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey OS << " // " << (j - 1) << "\n"; 3830d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 384908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey 385908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // End processor itinerary table 3860d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "};\n"; 3870d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey } 38810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey} 38910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 39010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 39110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// EmitProcessorLookup - generate cpu name to itinerary lookup table. 39210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey// 39310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskeyvoid SubtargetEmitter::EmitProcessorLookup(std::ostream &OS) { 39410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Gather and sort processor information 39510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey std::vector<Record*> ProcessorList = 39610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Records.getAllDerivedDefinitions("Processor"); 39742d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(ProcessorList.begin(), ProcessorList.end(), LessRecordFieldName()); 39810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 39910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Begin processor table 40010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 40110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "// Sorted (by key) array of itineraries for CPU subtype.\n" 4027f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey << "static const llvm::SubtargetInfoKV ProcItinKV[] = {\n"; 40310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 40410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // For each processor 40510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey for (unsigned i = 0, N = ProcessorList.size(); i < N;) { 40610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Next processor 40710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey Record *Processor = ProcessorList[i]; 40810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 4094222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Name = Processor->getValueAsString("Name"); 4104222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &ProcItin = 4114222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling Processor->getValueAsDef("ProcItin")->getName(); 41210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 41310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Emit as { "cpu", procinit }, 41410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << " { " 41510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey << "\"" << Name << "\", " 41610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey << "(void *)&" << ProcItin; 41710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 41810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << " }"; 41910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 42010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Depending on ''if more in the list'' emit comma 42110b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey if (++i < N) OS << ","; 42210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 42310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "\n"; 42410b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey } 42510b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 42610b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // End processor table 42710b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS << "};\n"; 42810b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey 42910b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey // Emit size of table 43010b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS<<"\nenum {\n"; 4317f39c14f52262a154285df9180f5edcdabe2d7dfJim Laskey OS<<" ProcItinKVSize = sizeof(ProcItinKV)/" 43210b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey "sizeof(llvm::SubtargetInfoKV)\n"; 43310b1dd99f342d2d7af51dd43f3840f3bf40b0b87Jim Laskey OS<<"};\n"; 4340d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 4350d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 4360d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 4370d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// EmitData - Emits all stages and itineries, folding common patterns. 4380d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 4390d841e05677bdc55d003720e85e12d28dfe31862Jim Laskeyvoid SubtargetEmitter::EmitData(std::ostream &OS) { 440f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::map<std::string, unsigned> ItinClassesMap; 441f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<std::vector<InstrItinerary> > ProcList; 4420d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 443908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey // Enumerate all the itinerary classes 4446cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey unsigned NItinClasses = CollectAllItinClasses(OS, ItinClassesMap); 4456cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Make sure the rest is worth the effort 446387e4bdf002c78a1b43a10e10cf5147baf32f513Chris Lattner HasItineraries = NItinClasses != 1; // Ignore NoItinerary. 4476cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey 4486cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey if (HasItineraries) { 4496cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit the stage data 4506cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey EmitStageData(OS, NItinClasses, ItinClassesMap, ProcList); 4516cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit the processor itinerary data 4526cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey EmitProcessorData(OS, ProcList); 4536cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey // Emit the processor lookup data 4546cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey EmitProcessorLookup(OS); 4556cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 4560d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey} 4570d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey 4580d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey// 459581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// ParseFeaturesFunction - Produces a subtarget specific function for parsing 460581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// the subtarget features string. 461581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey// 462581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskeyvoid SubtargetEmitter::ParseFeaturesFunction(std::ostream &OS) { 463f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey std::vector<Record*> Features = 464f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Records.getAllDerivedDefinitions("SubtargetFeature"); 46542d24c71df88178eacf244a38b6c48847ee0d39bDuraid Madina std::sort(Features.begin(), Features.end(), LessRecord()); 466581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 467581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "// ParseSubtargetFeatures - Parses features string setting specified\n" 4684222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << "// subtarget options.\n" 4694222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << "void llvm::"; 470581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << Target; 471581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "Subtarget::ParseSubtargetFeatures(const std::string &FS,\n" 4724222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " const std::string &CPU) {\n" 4734222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " SubtargetFeatures Features(FS);\n" 4744222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " Features.setCPUIfNone(CPU);\n" 4754222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " uint32_t Bits = Features.getBits(SubTypeKV, SubTypeKVSize,\n" 4764222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " FeatureKV, FeatureKVSize);\n"; 4774222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 478f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey for (unsigned i = 0; i < Features.size(); i++) { 479f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey // Next record 480f7bcde085440d1fd90eba8980ed9c512bc58824dJim Laskey Record *R = Features[i]; 4814222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Instance = R->getName(); 4824222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Value = R->getValueAsString("Value"); 4834222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling const std::string &Attribute = R->getValueAsString("Attribute"); 48419c95507443ebd4f1cee80917d540c8bd27f8fe1Evan Cheng 485db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen if (Value=="true" || Value=="false") 486db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen OS << " if ((Bits & " << Instance << ") != 0) " 487db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen << Attribute << " = " << Value << ";\n"; 488db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen else 489db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen OS << " if ((Bits & " << Instance << ") != 0 && " << Attribute << 490db01c8ba26f288636d3f574a96af3499ee6d2579Dale Johannesen " < " << Value << ") " << Attribute << " = " << Value << ";\n"; 491581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey } 4924222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling 4936cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey if (HasItineraries) { 4946cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey OS << "\n" 4956cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey << " InstrItinerary *Itinerary = (InstrItinerary *)" 4964222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << "Features.getInfo(ProcItinKV, ProcItinKVSize);\n" 4974222d806faae71ecc794cfdaa873817873c2f3d8Bill Wendling << " InstrItins = InstrItineraryData(Stages, Itinerary);\n"; 4986cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey } 4996cee630070b1a7183ed56a8404e812629f5ca538Jim Laskey 500581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS << "}\n"; 501581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey} 502581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 503b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 504b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// SubtargetEmitter::run - Main subtarget enumeration emitter. 505b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey// 506b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskeyvoid SubtargetEmitter::run(std::ostream &OS) { 5076c302fc0757c20a6de52a788ffc675e5c5980971Jim Laskey Target = CodeGenTarget().getName(); 508581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey 509b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey EmitSourceFileHeader("Subtarget Enumeration Source Fragment", OS); 510b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 5110d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "#include \"llvm/Target/SubtargetFeature.h\"\n"; 5120d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS << "#include \"llvm/Target/TargetInstrItineraries.h\"\n\n"; 513b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey 514581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey Enumeration(OS, "FuncUnit", true); 515581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS<<"\n"; 516908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey// Enumeration(OS, "InstrItinClass", false); 517908ae27a9073e2f105f8a0a4dd092d7fea8472a4Jim Laskey// OS<<"\n"; 518581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey Enumeration(OS, "SubtargetFeature", true); 519581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS<<"\n"; 520b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey FeatureKeyValues(OS); 521581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS<<"\n"; 522b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey CPUKeyValues(OS); 523581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey OS<<"\n"; 5240d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey EmitData(OS); 5250d841e05677bdc55d003720e85e12d28dfe31862Jim Laskey OS<<"\n"; 526581a8f79bc1ac3cbe5d621f0b4a0252ab2890bc1Jim Laskey ParseFeaturesFunction(OS); 527b3b1d5f097a4fbcf134259b743ccbd93d187c6cdJim Laskey} 528