X86RecognizableInstr.cpp revision 9fc05227a2596c545b845ed9a72673995e49d16b
18ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan//===- X86RecognizableInstr.cpp - Disassembler instruction spec --*- C++ -*-===// 28ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// 38ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// The LLVM Compiler Infrastructure 48ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// 58ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// This file is distributed under the University of Illinois Open Source 68ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// License. See LICENSE.TXT for details. 78ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// 88ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan//===----------------------------------------------------------------------===// 98ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// 108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// This file is part of the X86 Disassembler Emitter. 118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// It contains the implementation of a single recognizable instruction. 128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// Documentation for the disassembler emitter in general can be found in 138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// X86DisasemblerEmitter.h. 148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// 158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan//===----------------------------------------------------------------------===// 168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#include "X86DisassemblerShared.h" 188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#include "X86RecognizableInstr.h" 198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#include "X86ModRMFilters.h" 208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#include "llvm/Support/ErrorHandling.h" 228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#include <string> 248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananusing namespace llvm; 268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 279492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#define MRM_MAPPING \ 289492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MAP(C1, 33) \ 29a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(C2, 34) \ 30a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(C3, 35) \ 31a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(C4, 36) \ 32a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(C8, 37) \ 33a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(C9, 38) \ 34a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(E8, 39) \ 35a599de241041eebc84867ac8e4cb76668cabd236Chris Lattner MAP(F0, 40) \ 36cebe955779b264e1fa0423d2ee854fcde43480d7Sean Callanan MAP(F8, 41) \ 37cebe955779b264e1fa0423d2ee854fcde43480d7Sean Callanan MAP(F9, 42) 389492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// A clone of X86 since we can't depend on something that is generated. 408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanannamespace X86Local { 418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan enum { 428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Pseudo = 0, 438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan RawFrm = 1, 448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan AddRegFrm = 2, 458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMDestReg = 3, 468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMDestMem = 4, 478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMSrcReg = 5, 488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMSrcMem = 6, 498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM0r = 16, MRM1r = 17, MRM2r = 18, MRM3r = 19, 508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM4r = 20, MRM5r = 21, MRM6r = 22, MRM7r = 23, 518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM0m = 24, MRM1m = 25, MRM2m = 26, MRM3m = 27, 528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM4m = 28, MRM5m = 29, MRM6m = 30, MRM7m = 31, 539492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRMInitReg = 32, 549492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 559492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#define MAP(from, to) MRM_##from = to, 569492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 579492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#undef MAP 589492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan lastMRM 598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan }; 608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan enum { 628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TB = 1, 638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan REP = 2, 648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan D8 = 3, D9 = 4, DA = 5, DB = 6, 658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan DC = 7, DD = 8, DE = 9, DF = 10, 668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan XD = 11, XS = 12, 670d8db8e0a8492ab2d4bef725ec61b519471b97ecChris Lattner T8 = 13, P_TA = 14, 680d8db8e0a8492ab2d4bef725ec61b519471b97ecChris Lattner P_0F_AE = 16, P_0F_01 = 17 698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan }; 708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 719492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 729492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If rows are added to the opcode extension tables, then corresponding entries 739492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// must be added here. 749492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 759492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to a single byte (i.e., 8f), then add an entry for 769492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// that byte to ONE_BYTE_EXTENSION_TABLES. 779492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 789492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to two bytes where the first is 0f, add an entry for 799492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// the second byte to TWO_BYTE_EXTENSION_TABLES. 809492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 819492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to some other set of bytes, you will need to modify 829492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// the code in RecognizableInstr::emitDecodePath() as well, and add new prefixes 839492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// to the X86 TD files, except in two cases: if the first two bytes of such a 849492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// new combination are 0f 38 or 0f 3a, you just have to add maps called 859492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// THREE_BYTE_38_EXTENSION_TABLES and THREE_BYTE_3A_EXTENSION_TABLES and add a 869492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// switch(Opcode) just below the case X86Local::T8: or case X86Local::TA: line 879492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// in RecognizableInstr::emitDecodePath(). 889492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define ONE_BYTE_EXTENSION_TABLES \ 908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(80) \ 918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(81) \ 928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(82) \ 938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(83) \ 948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(8f) \ 958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c0) \ 968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c1) \ 978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c6) \ 988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c7) \ 998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d0) \ 1008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d1) \ 1018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d2) \ 1028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d3) \ 1038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(f6) \ 1048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(f7) \ 1058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(fe) \ 1068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ff) 1078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define TWO_BYTE_EXTENSION_TABLES \ 1098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(00) \ 1108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(01) \ 1118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(18) \ 1128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(71) \ 1138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(72) \ 1148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(73) \ 1158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ae) \ 1168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(b9) \ 1178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ba) \ 1188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c7) 1198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananusing namespace X86Disassembler; 1218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// needsModRMForDecode - Indicates whether a particular instruction requires a 1238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// ModR/M byte for the instruction to be properly decoded. For example, a 1248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// MRMDestReg instruction needs the Mod field in the ModR/M byte to be set to 1258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 0b11. 1268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param form - The form of the instruction. 1288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - true if the form implies that a ModR/M byte is required, false 1298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// otherwise. 1308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic bool needsModRMForDecode(uint8_t form) { 1318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (form == X86Local::MRMDestReg || 1328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMDestMem || 1338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcReg || 1348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcMem || 1358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0r && form <= X86Local::MRM7r) || 1368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0m && form <= X86Local::MRM7m)) 1378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return true; 1388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 1398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return false; 1408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// isRegFormat - Indicates whether a particular form requires the Mod field of 1438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// the ModR/M byte to be 0b11. 1448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param form - The form of the instruction. 1468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - true if the form implies that Mod must be 0b11, false 1478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// otherwise. 1488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic bool isRegFormat(uint8_t form) { 1498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (form == X86Local::MRMDestReg || 1508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcReg || 1518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0r && form <= X86Local::MRM7r)) 1528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return true; 1538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 1548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return false; 1558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// byteFromBitsInit - Extracts a value at most 8 bits in width from a BitsInit. 1588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// Useful for switch statements and the like. 1598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param init - A reference to the BitsInit to be decoded. 1618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - The field, with the first bit in the BitsInit as the lowest 1628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// order bit. 1638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic uint8_t byteFromBitsInit(BitsInit &init) { 1648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan int width = init.getNumBits(); 1658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(width <= 8 && "Field is too large for uint8_t!"); 1678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan int index; 1698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t mask = 0x01; 1708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t ret = 0; 1728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (index = 0; index < width; index++) { 1748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (static_cast<BitInit*>(init.getBit(index))->getValue()) 1758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ret |= mask; 1768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan mask <<= 1; 1788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 1798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return ret; 1818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// byteFromRec - Extract a value at most 8 bits in with from a Record given the 1848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// name of the field. 1858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param rec - The record from which to extract the value. 1878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param name - The name of the field in the record. 1888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - The field, as translated by byteFromBitsInit(). 1898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic uint8_t byteFromRec(const Record* rec, const std::string &name) { 1908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan BitsInit* bits = rec->getValueAsBitsInit(name); 1918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return byteFromBitsInit(*bits); 1928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananRecognizableInstr::RecognizableInstr(DisassemblerTables &tables, 1958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const CodeGenInstruction &insn, 1968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstrUID uid) { 1978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan UID = uid; 1988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Rec = insn.TheDef; 2008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name = Rec->getName(); 2018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec = &tables.specForUID(UID); 2028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) { 2048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 2058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 2068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 2078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Prefix = byteFromRec(Rec, "Prefix"); 2098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Opcode = byteFromRec(Rec, "Opcode"); 2108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Form = byteFromRec(Rec, "FormBits"); 2118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan SegOvr = byteFromRec(Rec, "SegOvrBits"); 2128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasOpSizePrefix = Rec->getValueAsBit("hasOpSizePrefix"); 2148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasREX_WPrefix = Rec->getValueAsBit("hasREX_WPrefix"); 21599405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes HasVEX_4VPrefix = Rec->getValueAsBit("hasVEX_4VPrefix"); 2168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasLockPrefix = Rec->getValueAsBit("hasLockPrefix"); 2178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly"); 2188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name = Rec->getName(); 2208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan AsmString = Rec->getValueAsString("AsmString"); 2218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Operands = &insn.OperandList; 2238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan IsSSE = HasOpSizePrefix && (Name.find("16") == Name.npos); 2258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasFROperands = false; 2268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = true; 2288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::processInstr(DisassemblerTables &tables, 2318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const CodeGenInstruction &insn, 2328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstrUID uid) 2338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan{ 2344072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar // Ignore "asm parser only" instructions. 2354072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar if (insn.TheDef->getValueAsBit("isAsmParserOnly")) 2364072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar return; 2374072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar 2388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan RecognizableInstr recogInstr(tables, insn, uid); 2398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan recogInstr.emitInstructionSpecifier(tables); 2418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (recogInstr.shouldBeEmitted()) 2438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan recogInstr.emitDecodePath(tables); 2448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananInstructionContext RecognizableInstr::insnContext() const { 2478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstructionContext insnContext; 2488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("64") != Name.npos || HasREX_WPrefix) { 2508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasREX_WPrefix && HasOpSizePrefix) 2518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_OPSIZE; 2528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasOpSizePrefix) 2538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_OPSIZE; 2548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasREX_WPrefix && Prefix == X86Local::XS) 2558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_XS; 2568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasREX_WPrefix && Prefix == X86Local::XD) 2578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_XD; 2588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (Prefix == X86Local::XD) 2598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_XD; 2608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (Prefix == X86Local::XS) 2618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_XS; 2628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasREX_WPrefix) 2638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW; 2648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 2658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT; 2668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 2678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasOpSizePrefix) 2688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_OPSIZE; 2698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (Prefix == X86Local::XD) 2708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_XD; 2718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (Prefix == X86Local::XS) 2728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_XS; 2738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 2748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC; 2758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 2768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return insnContext; 2788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananRecognizableInstr::filter_ret RecognizableInstr::filter() const { 2818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out intrinsics 2828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) 2848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 2858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::Pseudo || 2878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan IsCodeGenOnly) 2888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 2898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 29080443f914624098db7088d751efbb8dae7743b76Sean Callanan if (Form == X86Local::MRMInitReg) 29180443f914624098db7088d751efbb8dae7743b76Sean Callanan return FILTER_STRONG; 29280443f914624098db7088d751efbb8dae7743b76Sean Callanan 29380443f914624098db7088d751efbb8dae7743b76Sean Callanan 2948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out instructions with a LOCK prefix; 2958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // prefer forms that do not have the prefix 2968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasLockPrefix) 2978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 2988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out artificial instructions 3008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("TAILJMP") != Name.npos || 3028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("_Int") != Name.npos || 3038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("_int") != Name.npos || 3048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("Int_") != Name.npos || 3058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("_NOREX") != Name.npos || 3065e81716425dc3373fbc834bfa7936a5c1205579bEvan Cheng Name.find("_TC") != Name.npos || 3078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("EH_RETURN") != Name.npos || 3088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("V_SET") != Name.npos || 3098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("LOCK_") != Name.npos || 3108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name.find("WIN") != Name.npos) 3118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 3128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Special cases. 3148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("PCMPISTRI") != Name.npos && Name != "PCMPISTRI") 3168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("PCMPESTRI") != Name.npos && Name != "PCMPESTRI") 3188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("MOV") != Name.npos && Name.find("r0") != Name.npos) 3218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("MOVZ") != Name.npos && Name.find("MOVZX") == Name.npos) 3238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("Fs") != Name.npos) 3258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name == "MOVLPDrr" || 3278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVLPSrr" || 3288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "PUSHFQ" || 3298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "BSF16rr" || 3308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "BSF16rm" || 3318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "BSR16rr" || 3328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "BSR16rm" || 3338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSX16rm8" || 3348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSX16rr8" || 3358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVZX16rm8" || 3368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVZX16rr8" || 3378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "PUSH32i16" || 3388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "PUSH64i16" || 3398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVPQI2QImr" || 3408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSDmr" || 3418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSDrm" || 3428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSSmr" || 3438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVSSrm" || 3448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MMX_MOVD64rrv164" || 3458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "CRC32m16" || 3468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOV64ri64i32" || 3478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "CRC32r16") 3488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out instructions with segment override prefixes. 3518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // They're too messy to handle now and we'll special case them if needed. 3528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (SegOvr) 3548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 3558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out instructions that can't be printed. 3578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (AsmString.size() == 0) 3598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 3608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out instructions with subreg operands. 3628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (AsmString.find("subreg") != AsmString.npos) 3648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 3658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasFROperands && Name.find("MOV") != Name.npos && 3678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ((Name.find("2") != Name.npos && Name.find("32") == Name.npos) || 3688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (Name.find("to") != Name.npos))) 3698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 3708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_NORMAL; 3728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 3738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::handleOperand( 3758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool optional, 3768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &operandIndex, 3778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &physicalOperandIndex, 3788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &numPhysicalOperands, 3798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned *operandMapping, 3808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan OperandEncoding (*encodingFromString)(const std::string&, bool hasOpSizePrefix)) { 3818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (optional) { 3828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (physicalOperandIndex >= numPhysicalOperands) 3838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 3848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 3858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(physicalOperandIndex < numPhysicalOperands); 3868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 3878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan while (operandMapping[operandIndex] != operandIndex) { 3898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].encoding = ENCODING_DUP; 3908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].type = 3918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (OperandType)(TYPE_DUP0 + operandMapping[operandIndex]); 3928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++operandIndex; 3938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 3948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const std::string &typeName = (*Operands)[operandIndex].Rec->getName(); 3968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].encoding = encodingFromString(typeName, 3988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasOpSizePrefix); 3998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].type = typeFromString(typeName, 4008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan IsSSE, 4018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasREX_WPrefix, 4028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasOpSizePrefix); 4038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++operandIndex; 4058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++physicalOperandIndex; 4068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 4078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) { 4098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->name = Name; 4108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) 4128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 4138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (filter()) { 4158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_WEAK: 4168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->filtered = true; 4178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 4188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_STRONG: 4198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 4208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 4218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_NORMAL: 4228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 4238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 4248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->insnContext = insnContext(); 4268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const std::vector<CodeGenInstruction::OperandInfo> &OperandList = *Operands; 4288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned operandIndex; 4308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned numOperands = OperandList.size(); 4318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned numPhysicalOperands = 0; 4328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // operandMapping maps from operands in OperandList to their originals. 4348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // If operandMapping[i] != i, then the entry is a duplicate. 4358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned operandMapping[X86_MAX_OPERANDS]; 4368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasFROperands = false; 4388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numOperands < X86_MAX_OPERANDS && "X86_MAX_OPERANDS is not large enough"); 4408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (operandIndex = 0; operandIndex < numOperands; ++operandIndex) { 4428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (OperandList[operandIndex].Constraints.size()) { 443a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner const CodeGenInstruction::ConstraintInfo &Constraint = 444a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner OperandList[operandIndex].Constraints[0]; 445a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner if (Constraint.isTied()) { 446a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner operandMapping[operandIndex] = Constraint.getTiedOperand(); 4478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 4488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++numPhysicalOperands; 4498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping[operandIndex] = operandIndex; 4508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 4518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 4528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++numPhysicalOperands; 4538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping[operandIndex] = operandIndex; 4548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 4558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const std::string &recName = OperandList[operandIndex].Rec->getName(); 4578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (recName.find("FR") != recName.npos) 4598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan hasFROperands = true; 4608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 4618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (hasFROperands && Name.find("MOV") != Name.npos && 4638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ((Name.find("2") != Name.npos && Name.find("32") == Name.npos) || 4648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (Name.find("to") != Name.npos))) 4658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 4668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!ShouldBeEmitted) 4688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 4698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define HANDLE_OPERAND(class) \ 4718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan handleOperand(false, \ 4728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex, \ 4738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan physicalOperandIndex, \ 4748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan numPhysicalOperands, \ 4758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping, \ 4768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan class##EncodingFromString); 4778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define HANDLE_OPTIONAL(class) \ 4798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan handleOperand(true, \ 4808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex, \ 4818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan physicalOperandIndex, \ 4828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan numPhysicalOperands, \ 4838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping, \ 4848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan class##EncodingFromString); 4858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // operandIndex should always be < numOperands 4878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex = 0; 4888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // physicalOperandIndex should always be < numPhysicalOperands 4898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned physicalOperandIndex = 0; 4908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 4928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::RawFrm: 4938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 (optional) is an address or immediate. 4948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate. 4958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands <= 2 && 4968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for RawFrm"); 4978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 4988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 4998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::AddRegFrm: 5018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is added to the opcode. 5028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an address. 5038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 1 && numPhysicalOperands <= 2 && 5048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for AddRegFrm"); 5058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(opcodeModifier) 5068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 5078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMDestReg: 5098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the R/M field. 5108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the Reg/Opcode field. 5118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 5128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 5138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMDestRegFrm"); 5148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(rmRegister) 5158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 5168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 5178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMDestMem: 5198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a memory operand (possibly SIB-extended) 5208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the Reg/Opcode field. 5218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 5228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 5238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMDestMemFrm"); 5248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 5258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 5268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 5278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMSrcReg: 5298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the Reg/Opcode field. 5308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the R/M field. 5318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 5328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 5338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMSrcRegFrm"); 5348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 5358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(rmRegister) 53699405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes 53799405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes if (HasVEX_4VPrefix) 538c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // FIXME: In AVX, the register below becomes the one encoded 539c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // in ModRMVEX and the one above the one in the VEX.VVVV field 54099405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes HANDLE_OPTIONAL(rmRegister) 54199405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes else 54299405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes HANDLE_OPTIONAL(immediate) 5438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMSrcMem: 5458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the Reg/Opcode field. 5468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a memory operand (possibly SIB-extended) 5478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 5488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 5498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMSrcMemFrm"); 5508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 551c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes 552c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes if (HasVEX_4VPrefix) 553c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // FIXME: In AVX, the register below becomes the one encoded 554c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // in ModRMVEX and the one above the one in the VEX.VVVV field 555c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes HANDLE_OPTIONAL(rmRegister) 556c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes 5578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 5588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 5598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 5618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 5628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 5638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 5648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 5658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 5668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 5678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 5688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the R/M field. 5698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate or relocation. 5708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands <= 2 && 5718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMnRFrm"); 5728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(rmRegister) 5738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 5748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 5768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 5778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 5788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 5798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 5808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 5818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 5828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 5838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a memory operand (possibly SIB-extended) 5848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate or relocation. 5858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 1 && numPhysicalOperands <= 2 && 5868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for MRMnMFrm"); 5878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 5888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 5898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMInitReg: 5918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Ignored. 5928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan #undef HANDLE_OPERAND 5968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan #undef HANDLE_OPTIONAL 5978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 5988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::emitDecodePath(DisassemblerTables &tables) const { 6008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Special cases where the LLVM tables are not complete 6018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6029492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#define MAP(from, to) \ 6039492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan case X86Local::MRM_##from: \ 6049492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan filter = new ExactFilter(0x##from); \ 6059492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan break; 6068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan OpcodeType opcodeType = (OpcodeType)-1; 6088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ModRMFilter* filter = NULL; 6108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t opcodeToSet = 0; 6118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Prefix) { 6138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Extended two-byte opcodes can start with f2 0f, f3 0f, or 0f 6148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::XD: 6158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::XS: 6168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::TB: 6178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = TWOBYTE; 6188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Opcode) { 62095a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan default: 62195a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan if (needsModRMForDecode(Form)) 62295a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan filter = new ModFilter(isRegFormat(Form)); 62395a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan else 62495a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan filter = new DumbFilter(); 62595a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan break; 6268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define EXTENSION_TABLE(n) case 0x##n: 6278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TWO_BYTE_EXTENSION_TABLES 6288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef EXTENSION_TABLE 6298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 6308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 6318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled two-byte extended opcode"); 6328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 6338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 6348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 6358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 6368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 6378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 6388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 6398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 6408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(true, Form - X86Local::MRM0r); 6418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 6438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 6448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 6458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 6468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 6478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 6488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 6498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 6508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(false, Form - X86Local::MRM0m); 6518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6529492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 6538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Form) 6548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 65595a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan } // switch (Opcode) 6568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 6578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::T8: 6598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = THREEBYTE_38; 6608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (needsModRMForDecode(Form)) 6618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ModFilter(isRegFormat(Form)); 6628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 6638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new DumbFilter(); 6648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 6658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6660d8db8e0a8492ab2d4bef725ec61b519471b97ecChris Lattner case X86Local::P_TA: 6678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = THREEBYTE_3A; 6688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (needsModRMForDecode(Form)) 6698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ModFilter(isRegFormat(Form)); 6708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 6718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new DumbFilter(); 6728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 6738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::D8: 6758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::D9: 6768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DA: 6778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DB: 6788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DC: 6798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DD: 6808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DE: 6818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DF: 6828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(Opcode >= 0xc0 && "Unexpected opcode for an escape opcode"); 6838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = ONEBYTE; 6848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::AddRegFrm) { 6858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_MODRM; 6868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = Opcode; 6878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new AddRegEscapeFilter(Opcode); 6888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 6898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new EscapeFilter(true, Opcode); 6908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 6918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = 0xd8 + (Prefix - X86Local::D8); 6928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 6948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = ONEBYTE; 6958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Opcode) { 6968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define EXTENSION_TABLE(n) case 0x##n: 6978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ONE_BYTE_EXTENSION_TABLES 6988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef EXTENSION_TABLE 6998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 7008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 7018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Fell through the cracks of a single-byte " 7028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "extended opcode"); 7038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 7048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 7058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 7068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 7078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 7088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 7098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 7108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 7118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(true, Form - X86Local::MRM0r); 7128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 7148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 7158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 7168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 7178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 7188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 7198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 7208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 7218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(false, Form - X86Local::MRM0m); 7228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7239492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 7248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Form) 7258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xd8: 7278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xd9: 7288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xda: 7298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdb: 7308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdc: 7318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdd: 7328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xde: 7338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdf: 7348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new EscapeFilter(false, Form - X86Local::MRM0m); 7358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 7378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (needsModRMForDecode(Form)) 7388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ModFilter(isRegFormat(Form)); 7398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 7408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new DumbFilter(); 7418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Opcode) 7438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 7448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Prefix) 7458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(opcodeType != (OpcodeType)-1 && 7478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Opcode type not set"); 7488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(filter && "Filter not set"); 7498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::AddRegFrm) { 7518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(Spec->modifierType != MODIFIER_MODRM) { 7528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(opcodeToSet < 0xf9 && 7538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Not enough room for all ADDREG_FRM operands"); 7548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t currentOpcode; 7568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (currentOpcode = opcodeToSet; 7588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan currentOpcode < opcodeToSet + 8; 7598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++currentOpcode) 7608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 7618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 7628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan currentOpcode, 7638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 7648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan UID); 7658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_OPCODE; 7678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = opcodeToSet; 7688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 7698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // modifierBase was set where MODIFIER_MODRM was set 7708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 7718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 7728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet, 7738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 7748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan UID); 7758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 7768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 7778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 7788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 7798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet, 7808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 7818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan UID); 7828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_NONE; 7848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = opcodeToSet; 7858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 7868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan delete filter; 7889492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 7899492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#undef MAP 7908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 7918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 7928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define TYPE(str, type) if (s == str) return type; 7938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandType RecognizableInstr::typeFromString(const std::string &s, 7948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool isSSE, 7958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasREX_WPrefix, 7968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 7978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (isSSE) { 7988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For SSE instructions, we ignore the OpSize prefix and force operand 7998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // sizes. 8008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_R16) 8018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_R32) 8028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR64", TYPE_R64) 8038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 8048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(hasREX_WPrefix) { 8058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions with a REX_W prefix, a declared 32-bit register encoding 8068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // is special. 8078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_R32) 8088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 8098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 8108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 8118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 8128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_R16) 8138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16imm", TYPE_IMM16) 8148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 8158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16mem", TYPE_Mv) 8168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16imm", TYPE_IMMv) 8178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16i8imm", TYPE_IMMv) 8188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_Rv) 8198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32mem", TYPE_Mv) 8208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32imm", TYPE_IMMv) 8218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32i8imm", TYPE_IMM32) 8228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_Rv) 8238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64mem", TYPE_Mv) 8248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i32imm", TYPE_IMM64) 8258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i8imm", TYPE_IMM64) 8268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR64", TYPE_R64) 8278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i8mem", TYPE_M8) 8288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i8imm", TYPE_IMM8) 8298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR8", TYPE_R8) 8308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("VR128", TYPE_XMM128) 8318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f128mem", TYPE_M128) 8328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("FR64", TYPE_XMM64) 8338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f64mem", TYPE_M64FP) 8348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("FR32", TYPE_XMM32) 8358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f32mem", TYPE_M32FP) 8368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("RST", TYPE_ST) 8378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i128mem", TYPE_M128) 8388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i32imm_pcrel", TYPE_REL64) 8399fc05227a2596c545b845ed9a72673995e49d16bChris Lattner TYPE("i16imm_pcrel", TYPE_REL16) 8408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32imm_pcrel", TYPE_REL32) 8415edca8162623b742282f5f03b0872ac3469b5bedSean Callanan TYPE("SSECC", TYPE_IMM3) 8428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("brtarget", TYPE_RELv) 8438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("brtarget8", TYPE_REL8) 8448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f80mem", TYPE_M80FP) 8457fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea32mem", TYPE_LEA) 8467fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea64_32mem", TYPE_LEA) 8477fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea64mem", TYPE_LEA) 8488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("VR64", TYPE_MM64) 8498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64imm", TYPE_IMMv) 8508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque32mem", TYPE_M1616) 8518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque48mem", TYPE_M1632) 8528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque80mem", TYPE_M1664) 8538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque512mem", TYPE_M512) 8548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("SEGMENT_REG", TYPE_SEGMENTREG) 8558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("DEBUG_REG", TYPE_DEBUGREG) 8561a8b789a4b8290d263c1c75411788ca45bae3230Sean Callanan TYPE("CONTROL_REG", TYPE_CONTROLREG) 8578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset8", TYPE_MOFFS8) 8588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset16", TYPE_MOFFS16) 8598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset32", TYPE_MOFFS32) 8608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset64", TYPE_MOFFS64) 8618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled type string " << s << "\n"; 8628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled type string"); 8638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 8648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef TYPE 8658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define ENCODING(str, encoding) if (s == str) return encoding; 8678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::immediateEncodingFromString 8688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 8698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 8708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 8718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 8728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 8738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_IW) 8748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 8758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32i8imm", ENCODING_IB) 8768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("SSECC", ENCODING_IB) 8778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_Iv) 8788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16i8imm", ENCODING_IB) 8798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm", ENCODING_Iv) 8808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm", ENCODING_ID) 8818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i8imm", ENCODING_IB) 8828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8imm", ENCODING_IB) 8838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled immediate encoding " << s << "\n"; 8848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled immediate encoding"); 8858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 8868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::rmRegisterEncodingFromString 8888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 8898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 8908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_RM) 8918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_RM) 8928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_RM) 8938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_RM) 8948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR128", ENCODING_RM) 8958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR64", ENCODING_RM) 8968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR32", ENCODING_RM) 8978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR64", ENCODING_RM) 8988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled R/M register encoding " << s << "\n"; 8998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled R/M register encoding"); 9008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 9018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 9028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::roRegisterEncodingFromString 9038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 9048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 9058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_REG) 9068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_REG) 9078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_REG) 9088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_REG) 9098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR128", ENCODING_REG) 9108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR64", ENCODING_REG) 9118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR32", ENCODING_REG) 9128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR64", ENCODING_REG) 9138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("SEGMENT_REG", ENCODING_REG) 9148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("DEBUG_REG", ENCODING_REG) 9151a8b789a4b8290d263c1c75411788ca45bae3230Sean Callanan ENCODING("CONTROL_REG", ENCODING_REG) 9168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled reg/opcode register encoding " << s << "\n"; 9178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled reg/opcode register encoding"); 9188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 9198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 9208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::memoryEncodingFromString 9218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 9228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 9238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16mem", ENCODING_RM) 9248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32mem", ENCODING_RM) 9258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64mem", ENCODING_RM) 9268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8mem", ENCODING_RM) 9278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f128mem", ENCODING_RM) 9288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f64mem", ENCODING_RM) 9298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f32mem", ENCODING_RM) 9308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i128mem", ENCODING_RM) 9318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f80mem", ENCODING_RM) 9328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea32mem", ENCODING_RM) 9338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea64_32mem", ENCODING_RM) 9348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea64mem", ENCODING_RM) 9358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque32mem", ENCODING_RM) 9368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque48mem", ENCODING_RM) 9378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque80mem", ENCODING_RM) 9388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque512mem", ENCODING_RM) 9398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled memory encoding " << s << "\n"; 9408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled memory encoding"); 9418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 9428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 9438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::relocationEncodingFromString 9448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 9458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 9468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 9478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 9488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 9498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_IW) 9508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 9518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_Iv) 9528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16i8imm", ENCODING_IB) 9538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm", ENCODING_Iv) 9548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32i8imm", ENCODING_IB) 9558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm", ENCODING_ID) 9568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i8imm", ENCODING_IB) 9578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8imm", ENCODING_IB) 9588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm_pcrel", ENCODING_ID) 9599fc05227a2596c545b845ed9a72673995e49d16bChris Lattner ENCODING("i16imm_pcrel", ENCODING_IW) 9608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm_pcrel", ENCODING_ID) 9618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("brtarget", ENCODING_Iv) 9628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("brtarget8", ENCODING_IB) 9638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64imm", ENCODING_IO) 9648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset8", ENCODING_Ia) 9658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset16", ENCODING_Ia) 9668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset32", ENCODING_Ia) 9678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset64", ENCODING_Ia) 9688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled relocation encoding " << s << "\n"; 9698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled relocation encoding"); 9708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 9718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 9728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::opcodeModifierEncodingFromString 9738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 9748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 9758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("RST", ENCODING_I) 9768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_Rv) 9778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_RO) 9788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_Rv) 9798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_RB) 9808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled opcode modifier encoding " << s << "\n"; 9818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled opcode modifier encoding"); 9828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 9839e6d1d1f5034347d237941f1bf08fba5c1583cd3Daniel Dunbar#undef ENCODING 984