327 lines
10 KiB
C++
327 lines
10 KiB
C++
// Use with instructions.xml retrieved from uops.info
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#include <algorithm>
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#include <assert.h>
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#include <limits>
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#include <stdio.h>
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#include <string>
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#include <string.h>
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#include <pugixml.hpp>
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#include <unordered_map>
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#include <vector>
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struct Dictionary
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{
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int Get( const std::string& str )
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{
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auto it = str2idx.find( str );
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if( it != str2idx.end() ) return it->second;
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const auto idx = strlist.size();
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str2idx.emplace( str, idx );
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strlist.emplace_back( str );
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return idx;
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}
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int Get( const char* str ) { return Get( std::string( str ) ); }
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const std::string& Get( int idx ) const
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{
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return strlist[idx];
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}
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size_t Size() const { return strlist.size(); }
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std::unordered_map<std::string, int> str2idx;
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std::vector<std::string> strlist;
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};
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struct ParamDesc
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{
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int type;
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int width;
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};
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struct Variant
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{
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std::vector<ParamDesc> desc;
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int isaSet;
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float tp;
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int port, uops, minlat, maxlat;
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bool minbound, maxbound;
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};
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struct Op
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{
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std::vector<Variant> var;
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int desc;
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};
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struct UArch
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{
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std::unordered_map<int, Op> ops;
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};
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const std::vector<std::pair<const char*, const char*>> LatencyValues = {
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{ "cycles", "cycles_is_upper_bound" },
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{ "cycles_addr", "cycles_addr_is_upper_bound" },
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{ "cycles_addr_same_reg", "cycles_addr_same_reg_is_upper_bound" },
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{ "cycles_addr_VSIB", "cycles_addr_VSIB_is_upper_bound" },
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{ "cycles_mem", "cycles_mem_is_upper_bound" },
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{ "cycles_mem_same_reg", "cycles_mem_same_reg_is_upper_bound" },
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{ "cycles_same_reg", "cycles_same_reg_is_upper_bound" },
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{ "max_cycles", "max_cycles_is_upper_bound" },
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{ "max_cycles_addr", "max_cycles_addr_is_upper_bound" },
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{ "min_cycles", "min_cycles_is_upper_bound" },
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{ "min_cycles_addr", "min_cycles_addr_is_upper_bound" },
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};
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int main()
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{
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pugi::xml_document doc;
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doc.load_file( "instructions.xml" );
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auto root = doc.child( "root" );
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Dictionary ops;
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Dictionary opsdesc;
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Dictionary uarchs;
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Dictionary ports;
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Dictionary isas;
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std::vector<UArch> uav;
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for( auto& ext : root )
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{
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assert( strcmp( ext.name(), "extension" ) == 0 );
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for( auto& op : ext )
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{
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assert( strcmp( op.name(), "instruction" ) == 0 );
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auto opstr = op.attribute( "asm" ).value();
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auto opdesc = op.attribute( "summary" ).value();
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bool magic = false;
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if( opstr[0] == '{' )
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{
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if( memcmp( opstr, "{load} ", 7 ) == 0 )
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{
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magic = true;
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opstr += 7;
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}
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else
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{
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continue;
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}
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}
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char tmpbuf[64];
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auto opstr2 = op.attribute( "string" ).value();
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const auto strnext = opstr2[strlen(opstr)];
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if( !magic && strnext != ' ' && strnext != '\0' )
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{
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if( memcmp( opstr2, "LEA_", 4 ) == 0 )
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{
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auto ptr = tmpbuf;
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opstr = tmpbuf;
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while( *opstr2 != ' ' ) *ptr++ = *opstr2++;
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*ptr = '\0';
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}
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else
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{
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continue;
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}
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}
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const auto opidx = ops.Get( opstr );
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const auto opdescidx = opsdesc.Get( opdesc );
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int isaSet = isas.Get( op.attribute( "isa-set" ).value() );
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std::vector<ParamDesc> desc;
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for( auto& param : op.children( "operand" ) )
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{
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if( !param.attribute( "suppressed" ) )
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{
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int type = 0;
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if( strcmp( param.attribute( "type" ).value(), "imm" ) == 0 ) type = 0;
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else if( strcmp( param.attribute( "type" ).value(), "reg" ) == 0 ) type = 1;
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else if( strcmp( param.attribute( "type" ).value(), "mem" ) == 0 ) type = 2;
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else if( strcmp( param.attribute( "type" ).value(), "agen" ) == 0 ) type = 2;
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desc.emplace_back( ParamDesc { type, atoi( param.attribute( "width" ).value() ) } );
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}
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}
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for( auto& ua : op.children( "architecture" ) )
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{
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auto measurement = ua.child( "measurement" );
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if( measurement )
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{
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const auto uaidx = uarchs.Get( ua.attribute( "name" ).value() );
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if( uav.size() <= uaidx ) uav.emplace_back( UArch {} );
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auto& uai = uav[uaidx];
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auto& opi = uai.ops[opidx];
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opi.desc = opdescidx;
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float tp = -1;
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if( measurement.attribute( "TP" ) ) tp = atof( measurement.attribute( "TP" ).value() );
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else if( measurement.attribute( "TP_ports" ) ) tp = atof( measurement.attribute( "TP_ports" ).value() );
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else if( measurement.attribute( "TP_unrolled" ) ) tp = atof( measurement.attribute( "TP_unrolled" ).value() );
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int portid = measurement.attribute( "ports" ) ? ports.Get( measurement.attribute( "ports" ).value() ) : -1;
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int uops = measurement.attribute( "uops" ) ? atoi( measurement.attribute( "uops" ).value() ) : -1;
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assert( tp != -1 && uops != -1 );
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int minlat = std::numeric_limits<int>::max();
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int maxlat = -1;
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bool minbound = false;
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bool maxbound = false;
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for( auto& lat : measurement.children( "latency" ) )
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{
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for( auto& v : LatencyValues )
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{
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auto attr = lat.attribute( v.first );
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if( attr )
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{
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const auto av = atoi( attr.value() );
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bool bound = lat.attribute( v.second );
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if( minlat > av || ( minlat == av && minbound ) )
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{
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minlat = av;
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minbound = bound;
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}
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if( maxlat < av || ( maxlat == av && maxbound ) )
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{
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maxlat = av;
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maxbound = bound;
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}
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}
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}
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}
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if( maxlat == -1 ) minlat = -1;
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opi.var.emplace_back( Variant { desc, isaSet, tp, portid, uops, minlat, maxlat, minbound, maxbound } );
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}
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}
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}
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}
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printf( "#include \"TracyMicroArchitecture.hpp\"\n\n" );
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printf( "namespace tracy\n{\n\n" );
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printf( "const char* MicroArchitectureList[]={\n" );
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for( auto& v : uarchs.strlist )
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{
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printf( "\"%s\",\n", v.c_str() );
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}
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printf( "};\n\n" );
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printf( "const char* PortList[]={\n" );
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for( auto& v : ports.strlist )
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{
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printf( "\"%s\",\n", v.c_str() );
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}
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printf( "};\n\n" );
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printf( "const char* OpsList[]={\n" );
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for( auto& v : ops.strlist )
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{
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printf( "\"%s\",\n", v.c_str() );
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}
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printf( "};\n\n" );
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printf( "const char* IsaList[]={\n" );
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for( auto& v : isas.strlist )
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{
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printf( "\"%s\",\n", v.c_str() );
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}
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printf( "};\n\n" );
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printf( "const char* OpDescList[]={\n" );
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for( auto& v : opsdesc.strlist )
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{
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printf( "\"%s\",\n", v.c_str() );
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}
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printf( "};\n\n" );
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printf( "#define V static constexpr AsmVar\n" );
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printf( "#define A static constexpr AsmVar const*\n\n" );
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int uaidx = 0;
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for( auto& ua : uav )
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{
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for( auto& op: ua.ops )
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{
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int varidx = 0;
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for( auto& var: op.second.var )
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{
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printf( "V z%x_%x_%x={%i,{", uaidx, op.first, varidx++, (int)var.desc.size() );
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bool first = true;
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for( auto& p : var.desc )
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{
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if( first ) first = false;
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else printf( "," );
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printf( "{%i,%i}", p.type, p.width );
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}
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printf( "},%i,%.2ff,%i,%i,%i,%i,%c,%c};\n", var.isaSet, var.tp, var.port, var.uops, var.minlat, var.maxlat, var.minbound ? '1' : '0', var.maxbound ? '1' : '0' );
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}
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varidx = 0;
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printf( "A y%x_%x[]={", uaidx, op.first );
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bool first = true;
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for( auto& var: op.second.var )
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{
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if( first ) first = false;
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else printf( "," );
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printf( "&z%x_%x_%x", uaidx, op.first, varidx++ );
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}
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printf( "};\n" );
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}
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uaidx++;
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}
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printf( "\n\n#define O static constexpr AsmOp\n\n" );
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uaidx = 0;
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for( auto& ua : uav )
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{
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std::vector<decltype(ua.ops.begin())> opsort;
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for( auto it = ua.ops.begin(); it != ua.ops.end(); ++it )
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{
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auto& op = *it;
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printf( "O x%x_%x={%i,%i,%i,y%x_%x};\n", uaidx, op.first, op.first, op.second.desc, (int)op.second.var.size(), uaidx, op.first );
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opsort.emplace_back( it );
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}
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std::sort( opsort.begin(), opsort.end(), []( const auto& l, const auto& r ) { return l->first < r->first; } );
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printf( "static constexpr AsmOp const* w%x[]={", uaidx );
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bool first = true;
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for( auto& op: opsort )
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{
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if( first ) first = false;
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else printf( "," );
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printf( "&x%x_%x", uaidx, op->first );
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}
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printf( "};\n" );
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uaidx++;
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}
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printf( "\n" );
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uaidx = 0;
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for( auto& ua : uav )
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{
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printf( "static constexpr MicroArchitecture v%x={%i,w%x};\n", uaidx, (int)ua.ops.size(), uaidx );
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uaidx++;
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}
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printf( "\nconst MicroArchitecture* const MicroArchitectureData[]={" );
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uaidx = 0;
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bool first = true;
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for( auto& ua : uav )
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{
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if( first ) first = false;
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else printf( "," );
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printf( "&v%x", uaidx++ );
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}
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printf( "};\n\n" );
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printf( "int OpsNum=%i;\nint MicroArchitectureNum=%i;\n", (int)ops.Size(), (int)uarchs.Size() );
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printf( "}\n" );
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}
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