X86RecognizableInstr.cpp revision 930a1ebd929aa0ab4c2610e7f7a721c18dcfe052
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) \ 363472766f9eb7d66f234c390ce1b3a8b76f0ee9ceDuncan Sands MAP(F8, 41) \ 3787ca0e077d91b96a765b3b24cadfa8891026a33aRafael Espindola MAP(F9, 42) \ 3887ca0e077d91b96a765b3b24cadfa8891026a33aRafael Espindola MAP(D0, 45) \ 399e3d0b335111b2df73984a6cfd9ef1cd5d323872Craig Topper MAP(D1, 46) \ 4028a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(D4, 47) \ 4128a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(D8, 48) \ 4228a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(D9, 49) \ 4328a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DA, 50) \ 4428a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DB, 51) \ 4528a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DC, 52) \ 4628a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DD, 53) \ 4728a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DE, 54) \ 4828a713b20ad17f9a02d4677d8a2fea0edb208418Craig Topper MAP(DF, 55) 499492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan// A clone of X86 since we can't depend on something that is generated. 518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanannamespace X86Local { 528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan enum { 538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Pseudo = 0, 548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan RawFrm = 1, 558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan AddRegFrm = 2, 568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMDestReg = 3, 578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMDestMem = 4, 588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMSrcReg = 5, 598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRMSrcMem = 6, 608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM0r = 16, MRM1r = 17, MRM2r = 18, MRM3r = 19, 618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM4r = 20, MRM5r = 21, MRM6r = 22, MRM7r = 23, 628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM0m = 24, MRM1m = 25, MRM2m = 26, MRM3m = 27, 638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan MRM4m = 28, MRM5m = 29, MRM6m = 30, MRM7m = 31, 649492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRMInitReg = 32, 659492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#define MAP(from, to) MRM_##from = to, 669492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 679492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#undef MAP 686aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan RawFrmImm8 = 43, 696aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan RawFrmImm16 = 44, 709492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan lastMRM 718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan }; 728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan enum { 748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TB = 1, 758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan REP = 2, 768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan D8 = 3, D9 = 4, DA = 5, DB = 6, 778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan DC = 7, DD = 8, DE = 9, DF = 10, 788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan XD = 11, XS = 12, 790d8db8e0a8492ab2d4bef725ec61b519471b97ecChris Lattner T8 = 13, P_TA = 14, 8075485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper A6 = 15, A7 = 16, T8XD = 17, T8XS = 18, TAXD = 19 818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan }; 828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 839492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 849492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If rows are added to the opcode extension tables, then corresponding entries 859492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// must be added here. 869492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 879492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to a single byte (i.e., 8f), then add an entry for 889492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// that byte to ONE_BYTE_EXTENSION_TABLES. 899492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 909492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to two bytes where the first is 0f, add an entry for 919492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// the second byte to TWO_BYTE_EXTENSION_TABLES. 929492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// 939492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// If the row corresponds to some other set of bytes, you will need to modify 949492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// the code in RecognizableInstr::emitDecodePath() as well, and add new prefixes 959492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// to the X86 TD files, except in two cases: if the first two bytes of such a 969492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// new combination are 0f 38 or 0f 3a, you just have to add maps called 979492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// THREE_BYTE_38_EXTENSION_TABLES and THREE_BYTE_3A_EXTENSION_TABLES and add a 989492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// switch(Opcode) just below the case X86Local::T8: or case X86Local::TA: line 999492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan// in RecognizableInstr::emitDecodePath(). 1009492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 1018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define ONE_BYTE_EXTENSION_TABLES \ 1028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(80) \ 1038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(81) \ 1048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(82) \ 1058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(83) \ 1068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(8f) \ 1078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c0) \ 1088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c1) \ 1098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c6) \ 1108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c7) \ 1118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d0) \ 1128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d1) \ 1138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d2) \ 1148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(d3) \ 1158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(f6) \ 1168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(f7) \ 1178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(fe) \ 1188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ff) 1198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define TWO_BYTE_EXTENSION_TABLES \ 1218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(00) \ 1228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(01) \ 1238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(18) \ 1248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(71) \ 1258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(72) \ 1268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(73) \ 1278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ae) \ 1288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(ba) \ 1298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan EXTENSION_TABLE(c7) 1308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 131566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper#define THREE_BYTE_38_EXTENSION_TABLES \ 132566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper EXTENSION_TABLE(F3) 133566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper 1348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananusing namespace X86Disassembler; 1358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// needsModRMForDecode - Indicates whether a particular instruction requires a 1378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// ModR/M byte for the instruction to be properly decoded. For example, a 1388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// MRMDestReg instruction needs the Mod field in the ModR/M byte to be set to 1398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 0b11. 1408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param form - The form of the instruction. 1428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - true if the form implies that a ModR/M byte is required, false 1438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// otherwise. 1448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic bool needsModRMForDecode(uint8_t form) { 1458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (form == X86Local::MRMDestReg || 1468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMDestMem || 1478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcReg || 1488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcMem || 1498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0r && form <= X86Local::MRM7r) || 1508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0m && form <= X86Local::MRM7m)) 1518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return true; 1528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 1538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return false; 1548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// isRegFormat - Indicates whether a particular form requires the Mod field of 1578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// the ModR/M byte to be 0b11. 1588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param form - The form of the instruction. 1608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - true if the form implies that Mod must be 0b11, false 1618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// otherwise. 1628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic bool isRegFormat(uint8_t form) { 1638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (form == X86Local::MRMDestReg || 1648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan form == X86Local::MRMSrcReg || 1658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (form >= X86Local::MRM0r && form <= X86Local::MRM7r)) 1668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return true; 1678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 1688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return false; 1698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// byteFromBitsInit - Extracts a value at most 8 bits in width from a BitsInit. 1728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// Useful for switch statements and the like. 1738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 1748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param init - A reference to the BitsInit to be decoded. 1758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - The field, with the first bit in the BitsInit as the lowest 1768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// order bit. 17705bce0beee87512e52428d4b80f5a8e79a949576David Greenestatic uint8_t byteFromBitsInit(BitsInit &init) { 1788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan int width = init.getNumBits(); 1798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(width <= 8 && "Field is too large for uint8_t!"); 1818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan int index; 1838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t mask = 0x01; 1848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t ret = 0; 1868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (index = 0; index < width; index++) { 18805bce0beee87512e52428d4b80f5a8e79a949576David Greene if (static_cast<BitInit*>(init.getBit(index))->getValue()) 1898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ret |= mask; 1908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan mask <<= 1; 1928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 1938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return ret; 1958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 1968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// byteFromRec - Extract a value at most 8 bits in with from a Record given the 1988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// name of the field. 1998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// 2008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param rec - The record from which to extract the value. 2018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @param name - The name of the field in the record. 2028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan/// @return - The field, as translated by byteFromBitsInit(). 2038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananstatic uint8_t byteFromRec(const Record* rec, const std::string &name) { 20405bce0beee87512e52428d4b80f5a8e79a949576David Greene BitsInit* bits = rec->getValueAsBitsInit(name); 2058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return byteFromBitsInit(*bits); 2068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananRecognizableInstr::RecognizableInstr(DisassemblerTables &tables, 2098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const CodeGenInstruction &insn, 2108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstrUID uid) { 2118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan UID = uid; 2128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Rec = insn.TheDef; 2148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name = Rec->getName(); 2158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec = &tables.specForUID(UID); 2168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) { 2188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 2198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 2208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 2218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Prefix = byteFromRec(Rec, "Prefix"); 2238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Opcode = byteFromRec(Rec, "Opcode"); 2248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Form = byteFromRec(Rec, "FormBits"); 2258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan SegOvr = byteFromRec(Rec, "SegOvrBits"); 2268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasOpSizePrefix = Rec->getValueAsBit("hasOpSizePrefix"); 228930a1ebd929aa0ab4c2610e7f7a721c18dcfe052Craig Topper HasAdSizePrefix = Rec->getValueAsBit("hasAdSizePrefix"); 2298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasREX_WPrefix = Rec->getValueAsBit("hasREX_WPrefix"); 230a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasVEXPrefix = Rec->getValueAsBit("hasVEXPrefix"); 23199405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes HasVEX_4VPrefix = Rec->getValueAsBit("hasVEX_4VPrefix"); 232b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper HasVEX_4VOp3Prefix = Rec->getValueAsBit("hasVEX_4VOp3Prefix"); 233a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasVEX_WPrefix = Rec->getValueAsBit("hasVEX_WPrefix"); 234e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper HasMemOp4Prefix = Rec->getValueAsBit("hasMemOp4Prefix"); 2356744a17dcfb941d9fdd869b9f06e20660e18ff88Craig Topper IgnoresVEX_L = Rec->getValueAsBit("ignoresVEX_L"); 2368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasLockPrefix = Rec->getValueAsBit("hasLockPrefix"); 2378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly"); 2388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name = Rec->getName(); 2408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan AsmString = Rec->getValueAsString("AsmString"); 2418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 242c240bb0ede0541426254d0e0dc81d891beda4b22Chris Lattner Operands = &insn.Operands.OperandList; 2438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 24498f213cd60f21437846ce4075c0fe15d7f09a3fdKevin Enderby IsSSE = (HasOpSizePrefix && (Name.find("16") == Name.npos)) || 24598f213cd60f21437846ce4075c0fe15d7f09a3fdKevin Enderby (Name.find("CRC32") != Name.npos); 246a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasFROperands = hasFROperands(); 247a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasVEX_LPrefix = has256BitOperands() || Rec->getValueAsBit("hasVEX_L"); 24817730847d59c919d97f097d46a3fcba1888e5300Craig Topper 2497105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman // Check for 64-bit inst which does not require REX 2504da632e6e09b96db4b3f9202cde4e6ca732001c1Craig Topper Is32Bit = false; 2517105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Is64Bit = false; 2527105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman // FIXME: Is there some better way to check for In64BitMode? 2537105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman std::vector<Record*> Predicates = Rec->getValueAsListOfDefs("Predicates"); 2547105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman for (unsigned i = 0, e = Predicates.size(); i != e; ++i) { 2554da632e6e09b96db4b3f9202cde4e6ca732001c1Craig Topper if (Predicates[i]->getName().find("32Bit") != Name.npos) { 2564da632e6e09b96db4b3f9202cde4e6ca732001c1Craig Topper Is32Bit = true; 2574da632e6e09b96db4b3f9202cde4e6ca732001c1Craig Topper break; 2584da632e6e09b96db4b3f9202cde4e6ca732001c1Craig Topper } 2597105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman if (Predicates[i]->getName().find("64Bit") != Name.npos) { 2607105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Is64Bit = true; 2617105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman break; 2627105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman } 2637105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman } 2647105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman // FIXME: These instructions aren't marked as 64-bit in any way 2657105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Is64Bit |= Rec->getName() == "JMP64pcrel32" || 2667105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "MASKMOVDQU64" || 2677105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "POPFS64" || 2687105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "POPGS64" || 2697105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "PUSHFS64" || 2707105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "PUSHGS64" || 2717105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName() == "REX64_PREFIX" || 2727105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName().find("MOV64") != Name.npos || 2737105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName().find("PUSH64") != Name.npos || 2747105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman Rec->getName().find("POP64") != Name.npos; 2757105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman 2768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = true; 2778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::processInstr(DisassemblerTables &tables, 280fff64ca9cfdcb8e2fd2e124fcda1c1053523afc6Kevin Enderby const CodeGenInstruction &insn, 2818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstrUID uid) 2828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan{ 2834072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar // Ignore "asm parser only" instructions. 2844072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar if (insn.TheDef->getValueAsBit("isAsmParserOnly")) 2854072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar return; 2864072886a690a853c57c79a87a6423a7bfe0ce61fDaniel Dunbar 2878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan RecognizableInstr recogInstr(tables, insn, uid); 2888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan recogInstr.emitInstructionSpecifier(tables); 2908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (recogInstr.shouldBeEmitted()) 2928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan recogInstr.emitDecodePath(tables); 2938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 2948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 2958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananInstructionContext RecognizableInstr::insnContext() const { 2968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan InstructionContext insnContext; 2978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 298b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VPrefix || HasVEX_4VOp3Prefix|| HasVEXPrefix) { 299c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper if (HasVEX_LPrefix && HasVEX_WPrefix) { 300c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper if (HasOpSizePrefix) 301c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper insnContext = IC_VEX_L_W_OPSIZE; 302c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper else 303c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper llvm_unreachable("Don't support VEX.L and VEX.W together"); 304c8eb880a7fb0958a3a048a82c8558beec11f1209Craig Topper } else if (HasOpSizePrefix && HasVEX_LPrefix) 305a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_L_OPSIZE; 306a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else if (HasOpSizePrefix && HasVEX_WPrefix) 307a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_W_OPSIZE; 308a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else if (HasOpSizePrefix) 309a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_OPSIZE; 310ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (HasVEX_LPrefix && 311ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper (Prefix == X86Local::XS || Prefix == X86Local::T8XS)) 312a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_L_XS; 31375485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (HasVEX_LPrefix && (Prefix == X86Local::XD || 31475485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::T8XD || 31575485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD)) 316a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_L_XD; 317ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (HasVEX_WPrefix && 318ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper (Prefix == X86Local::XS || Prefix == X86Local::T8XS)) 319a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_W_XS; 32075485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (HasVEX_WPrefix && (Prefix == X86Local::XD || 32175485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::T8XD || 32275485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD)) 323a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_W_XD; 324a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else if (HasVEX_WPrefix) 325a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_W; 326a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else if (HasVEX_LPrefix) 327a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_L; 32875485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (Prefix == X86Local::XD || Prefix == X86Local::T8XD || 32975485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD) 330a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_XD; 331ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (Prefix == X86Local::XS || Prefix == X86Local::T8XS) 332a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX_XS; 333a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else 334a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan insnContext = IC_VEX; 3357105259ce8e9fd78ce9fc1b7a9aaab123fb5db64Eli Friedman } else if (Is64Bit || HasREX_WPrefix) { 3368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasREX_WPrefix && HasOpSizePrefix) 3378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_OPSIZE; 33875485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (HasOpSizePrefix && (Prefix == X86Local::XD || 33975485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::T8XD || 34075485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD)) 341e1b4a1a07ec79440536e4535721f15de3893cd13Craig Topper insnContext = IC_64BIT_XD_OPSIZE; 342ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (HasOpSizePrefix && 343ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper (Prefix == X86Local::XS || Prefix == X86Local::T8XS)) 34429480fd798dc6452948f63825ff41c66f09c2493Craig Topper insnContext = IC_64BIT_XS_OPSIZE; 3458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasOpSizePrefix) 3468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_OPSIZE; 347930a1ebd929aa0ab4c2610e7f7a721c18dcfe052Craig Topper else if (HasAdSizePrefix) 348930a1ebd929aa0ab4c2610e7f7a721c18dcfe052Craig Topper insnContext = IC_64BIT_ADSIZE; 349ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (HasREX_WPrefix && 350ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper (Prefix == X86Local::XS || Prefix == X86Local::T8XS)) 3518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_XS; 35275485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (HasREX_WPrefix && (Prefix == X86Local::XD || 35375485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::T8XD || 35475485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD)) 3558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW_XD; 35675485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (Prefix == X86Local::XD || Prefix == X86Local::T8XD || 35775485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD) 3588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_XD; 359ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (Prefix == X86Local::XS || Prefix == X86Local::T8XS) 3608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_XS; 3618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else if (HasREX_WPrefix) 3628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT_REXW; 3638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 3648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_64BIT; 3658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 36675485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper if (HasOpSizePrefix && (Prefix == X86Local::XD || 36775485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::T8XD || 36875485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD)) 369e1b4a1a07ec79440536e4535721f15de3893cd13Craig Topper insnContext = IC_XD_OPSIZE; 370ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (HasOpSizePrefix && 371ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper (Prefix == X86Local::XS || Prefix == X86Local::T8XS)) 37229480fd798dc6452948f63825ff41c66f09c2493Craig Topper insnContext = IC_XS_OPSIZE; 37398f213cd60f21437846ce4075c0fe15d7f09a3fdKevin Enderby else if (HasOpSizePrefix) 3748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_OPSIZE; 375930a1ebd929aa0ab4c2610e7f7a721c18dcfe052Craig Topper else if (HasAdSizePrefix) 376930a1ebd929aa0ab4c2610e7f7a721c18dcfe052Craig Topper insnContext = IC_ADSIZE; 37775485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper else if (Prefix == X86Local::XD || Prefix == X86Local::T8XD || 37875485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper Prefix == X86Local::TAXD) 3798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_XD; 380ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper else if (Prefix == X86Local::XS || Prefix == X86Local::T8XS || 381ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper Prefix == X86Local::REP) 3828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC_XS; 3838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 3848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext = IC; 3858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 3868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return insnContext; 3888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 3898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananRecognizableInstr::filter_ret RecognizableInstr::filter() const { 391a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan /////////////////// 392a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // FILTER_STRONG 393a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // 394a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 3958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out intrinsics 3968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 3978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) 3988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 3998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::Pseudo || 401038197988bcd7619657633da7116c7292187d4aeCraig Topper (IsCodeGenOnly && Name.find("_REV") == Name.npos)) 4028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_STRONG; 4038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 40480443f914624098db7088d751efbb8dae7743b76Sean Callanan if (Form == X86Local::MRMInitReg) 40580443f914624098db7088d751efbb8dae7743b76Sean Callanan return FILTER_STRONG; 406a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 407a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 408a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // Filter out artificial instructions 409a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 410787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper if (Name.find("_Int") != Name.npos || 411a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("Int_") != Name.npos || 412a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("_NOREX") != Name.npos || 413787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name.find("2SDL") != Name.npos || 414787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name == "LOCK_PREFIX") 415a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return FILTER_STRONG; 416a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 417a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // Filter out instructions with segment override prefixes. 418a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // They're too messy to handle now and we'll special case them if needed. 419a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 420a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (SegOvr) 421a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return FILTER_STRONG; 422a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 423a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // Filter out instructions that can't be printed. 424a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 425a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (AsmString.size() == 0) 426a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return FILTER_STRONG; 427a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 428a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // Filter out instructions with subreg operands. 429a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 430a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (AsmString.find("subreg") != AsmString.npos) 431a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return FILTER_STRONG; 432a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 433a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ///////////////// 434a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // FILTER_WEAK 435a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // 436a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 437a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 4388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Filter out instructions with a LOCK prefix; 4398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // prefer forms that do not have the prefix 4408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasLockPrefix) 4418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 443a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // Filter out alternate forms of AVX instructions 444a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (Name.find("_alt") != Name.npos || 445a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("XrYr") != Name.npos || 446e1b4a1a07ec79440536e4535721f15de3893cd13Craig Topper (Name.find("r64r") != Name.npos && Name.find("r64r64") == Name.npos) || 447a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("_64mr") != Name.npos || 448a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("Xrr") != Name.npos || 449a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name.find("rr64") != Name.npos) 450a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return FILTER_WEAK; 4518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Special cases. 45386097c384f84981494ed9c200ff5763afcd960deDale Johannesen 4548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("PCMPISTRI") != Name.npos && Name != "PCMPISTRI") 4558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("PCMPESTRI") != Name.npos && Name != "PCMPESTRI") 4578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("MOV") != Name.npos && Name.find("r0") != Name.npos) 4608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("MOVZ") != Name.npos && Name.find("MOVZX") == Name.npos) 4628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Name.find("Fs") != Name.npos) 4648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 465787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper if (Name == "PUSH64i16" || 4668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOVPQI2QImr" || 467a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan Name == "VMOVPQI2QImr" || 4688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MMX_MOVD64rrv164" || 4698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Name == "MOV64ri64i32" || 470787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name == "VMASKMOVDQU64" || 471787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name == "VEXTRACTPSrr64" || 472787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name == "VMOVQd64rr" || 473787a88ff18b3fe9e8f66eda63544eb10a0c806efCraig Topper Name == "VMOVQs64rr") 4748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (HasFROperands && Name.find("MOV") != Name.npos && 4778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ((Name.find("2") != Name.npos && Name.find("32") == Name.npos) || 4788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (Name.find("to") != Name.npos))) 4798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_WEAK; 4808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 4818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return FILTER_NORMAL; 4828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 483a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 484a21e2eae3def2fe39caed861dcb73c76c715569bSean Callananbool RecognizableInstr::hasFROperands() const { 485a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands; 486a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan unsigned numOperands = OperandList.size(); 487a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 488a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) { 489a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan const std::string &recName = OperandList[operandIndex].Rec->getName(); 490a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 491a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (recName.find("FR") != recName.npos) 492a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return true; 493a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan } 494a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return false; 495a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan} 496a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 497a21e2eae3def2fe39caed861dcb73c76c715569bSean Callananbool RecognizableInstr::has256BitOperands() const { 498a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands; 499a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan unsigned numOperands = OperandList.size(); 500a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 501a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) { 502a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan const std::string &recName = OperandList[operandIndex].Rec->getName(); 503a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 504a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (!recName.compare("VR256") || !recName.compare("f256mem")) { 505a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return true; 506a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan } 507a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan } 508a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan return false; 509a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan} 5108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::handleOperand( 5128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool optional, 5138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &operandIndex, 5148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &physicalOperandIndex, 5158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned &numPhysicalOperands, 5168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned *operandMapping, 5178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan OperandEncoding (*encodingFromString)(const std::string&, bool hasOpSizePrefix)) { 5188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (optional) { 5198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (physicalOperandIndex >= numPhysicalOperands) 5208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 5218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 5228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(physicalOperandIndex < numPhysicalOperands); 5238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan while (operandMapping[operandIndex] != operandIndex) { 5268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].encoding = ENCODING_DUP; 5278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].type = 5288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (OperandType)(TYPE_DUP0 + operandMapping[operandIndex]); 5298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++operandIndex; 5308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const std::string &typeName = (*Operands)[operandIndex].Rec->getName(); 533a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 5348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].encoding = encodingFromString(typeName, 5358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HasOpSizePrefix); 5368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->operands[operandIndex].type = typeFromString(typeName, 537a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan IsSSE, 538a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasREX_WPrefix, 539a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HasOpSizePrefix); 5408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++operandIndex; 5428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++physicalOperandIndex; 5438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 5448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) { 5468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->name = Name; 5478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!Rec->isSubClassOf("X86Inst")) 5498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 5508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (filter()) { 5528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_WEAK: 5538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->filtered = true; 5548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_STRONG: 5568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 5578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 5588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case FILTER_NORMAL: 5598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 5608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->insnContext = insnContext(); 5638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 564c240bb0ede0541426254d0e0dc81d891beda4b22Chris Lattner const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands; 5658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned operandIndex; 5678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned numOperands = OperandList.size(); 5688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned numPhysicalOperands = 0; 5698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // operandMapping maps from operands in OperandList to their originals. 5718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // If operandMapping[i] != i, then the entry is a duplicate. 5728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned operandMapping[X86_MAX_OPERANDS]; 5738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasFROperands = false; 5758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 57606f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper assert(numOperands <= X86_MAX_OPERANDS && "X86_MAX_OPERANDS is not large enough"); 5778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (operandIndex = 0; operandIndex < numOperands; ++operandIndex) { 5798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (OperandList[operandIndex].Constraints.size()) { 580c240bb0ede0541426254d0e0dc81d891beda4b22Chris Lattner const CGIOperandList::ConstraintInfo &Constraint = 581a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner OperandList[operandIndex].Constraints[0]; 582a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner if (Constraint.isTied()) { 583a7d479c7bd9723cabdd7c9e1e9a1e6e482f78e7eChris Lattner operandMapping[operandIndex] = Constraint.getTiedOperand(); 5848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 5858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++numPhysicalOperands; 5868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping[operandIndex] = operandIndex; 5878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 5898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++numPhysicalOperands; 5908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping[operandIndex] = operandIndex; 5918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan const std::string &recName = OperandList[operandIndex].Rec->getName(); 5948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (recName.find("FR") != recName.npos) 5968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan hasFROperands = true; 5978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 5988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 5998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (hasFROperands && Name.find("MOV") != Name.npos && 6008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ((Name.find("2") != Name.npos && Name.find("32") == Name.npos) || 6018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (Name.find("to") != Name.npos))) 6028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ShouldBeEmitted = false; 6038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (!ShouldBeEmitted) 6058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan return; 6068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define HANDLE_OPERAND(class) \ 6088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan handleOperand(false, \ 6098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex, \ 6108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan physicalOperandIndex, \ 6118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan numPhysicalOperands, \ 6128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping, \ 6138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan class##EncodingFromString); 6148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define HANDLE_OPTIONAL(class) \ 6168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan handleOperand(true, \ 6178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex, \ 6188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan physicalOperandIndex, \ 6198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan numPhysicalOperands, \ 6208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandMapping, \ 6218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan class##EncodingFromString); 6228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // operandIndex should always be < numOperands 6248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan operandIndex = 0; 6258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // physicalOperandIndex should always be < numPhysicalOperands 6268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan unsigned physicalOperandIndex = 0; 6278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 6288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 6298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::RawFrm: 6308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 (optional) is an address or immediate. 6318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate. 6328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands <= 2 && 6338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for RawFrm"); 6348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 6358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 6368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::AddRegFrm: 6388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is added to the opcode. 6398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an address. 6408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(numPhysicalOperands >= 1 && numPhysicalOperands <= 2 && 6418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Unexpected number of operands for AddRegFrm"); 6428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(opcodeModifier) 6438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 6448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMDestReg: 6468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the R/M field. 6478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the Reg/Opcode field. 6483daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // - In AVX, there is a register operand in the VEX.vvvv field here - 6498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 6503daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper if (HasVEX_4VPrefix) 6513daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 4 && 6523daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper "Unexpected number of operands for MRMDestRegFrm with VEX_4V"); 6533daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper else 6543daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 6553daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper "Unexpected number of operands for MRMDestRegFrm"); 6563daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper 6578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(rmRegister) 6583daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper 6593daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper if (HasVEX_4VPrefix) 6603daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // FIXME: In AVX, the register below becomes the one encoded 6613daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // in ModRMVEX and the one above the one in the VEX.VVVV field 6623daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper HANDLE_OPERAND(vvvvRegister) 6633daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper 6648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 6658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 6668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMDestMem: 6688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a memory operand (possibly SIB-extended) 6698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the Reg/Opcode field. 6703daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // - In AVX, there is a register operand in the VEX.vvvv field here - 6718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 6723daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper if (HasVEX_4VPrefix) 6733daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 4 && 6743daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper "Unexpected number of operands for MRMDestMemFrm with VEX_4V"); 6753daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper else 6763daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 6773daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper "Unexpected number of operands for MRMDestMemFrm"); 6788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 6793daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper 6803daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper if (HasVEX_4VPrefix) 6813daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // FIXME: In AVX, the register below becomes the one encoded 6823daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper // in ModRMVEX and the one above the one in the VEX.VVVV field 6833daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper HANDLE_OPERAND(vvvvRegister) 6843daa5c29d444a759a0c60656d1aaf2579e5e447cCraig Topper 6858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 6868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(immediate) 6878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 6888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMSrcReg: 6898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the Reg/Opcode field. 6908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a register operand in the R/M field. 691a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // - In AVX, there is a register operand in the VEX.vvvv field here - 6928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 69399405df044f2c584242e711cc9023ec90356da82Bruno Cardoso Lopes 694b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VPrefix || HasVEX_4VOp3Prefix) 69506f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 5 && 696a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan "Unexpected number of operands for MRMSrcRegFrm with VEX_4V"); 697a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else 698a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 699a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan "Unexpected number of operands for MRMSrcRegFrm"); 700a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 701a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HANDLE_OPERAND(roRegister) 70217730847d59c919d97f097d46a3fcba1888e5300Craig Topper 703b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VPrefix) 704c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // FIXME: In AVX, the register below becomes the one encoded 705c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // in ModRMVEX and the one above the one in the VEX.VVVV field 706a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HANDLE_OPERAND(vvvvRegister) 70717730847d59c919d97f097d46a3fcba1888e5300Craig Topper 708e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper if (HasMemOp4Prefix) 709e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper HANDLE_OPERAND(immediate) 710e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper 711a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HANDLE_OPERAND(rmRegister) 71217730847d59c919d97f097d46a3fcba1888e5300Craig Topper 713b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VOp3Prefix) 71417730847d59c919d97f097d46a3fcba1888e5300Craig Topper HANDLE_OPERAND(vvvvRegister) 71517730847d59c919d97f097d46a3fcba1888e5300Craig Topper 71606f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper if (!HasMemOp4Prefix) 71706f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper HANDLE_OPTIONAL(immediate) 71806f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper HANDLE_OPTIONAL(immediate) // above might be a register in 7:4 7198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMSrcMem: 7218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the Reg/Opcode field. 7228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 is a memory operand (possibly SIB-extended) 723a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // - In AVX, there is a register operand in the VEX.vvvv field here - 7248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 3 (optional) is an immediate. 725b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper 726b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VPrefix || HasVEX_4VOp3Prefix) 72706f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 5 && 728a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan "Unexpected number of operands for MRMSrcMemFrm with VEX_4V"); 729a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else 730a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 731a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan "Unexpected number of operands for MRMSrcMemFrm"); 732a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 7338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(roRegister) 734c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes 735b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VPrefix) 736c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // FIXME: In AVX, the register below becomes the one encoded 737c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes // in ModRMVEX and the one above the one in the VEX.VVVV field 738a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan HANDLE_OPERAND(vvvvRegister) 739c902a59f4c786a2a047f0b4c964a93108f248915Bruno Cardoso Lopes 740e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper if (HasMemOp4Prefix) 741e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper HANDLE_OPERAND(immediate) 742e6a3a2990e3f783c906e9db58e55439cb06f9fa5Craig Topper 7438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 74417730847d59c919d97f097d46a3fcba1888e5300Craig Topper 745b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961Craig Topper if (HasVEX_4VOp3Prefix) 74617730847d59c919d97f097d46a3fcba1888e5300Craig Topper HANDLE_OPERAND(vvvvRegister) 74717730847d59c919d97f097d46a3fcba1888e5300Craig Topper 74806f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper if (!HasMemOp4Prefix) 74906f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper HANDLE_OPTIONAL(immediate) 75006f554d06ab0f9390d04bcbaabb76f572d940249Craig Topper HANDLE_OPTIONAL(immediate) // above might be a register in 7:4 7518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 7538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 7548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 7558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 7568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 7578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 7588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 7598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 7608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a register operand in the R/M field. 7618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate or relocation. 762a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (HasVEX_4VPrefix) 763a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan assert(numPhysicalOperands <= 3 && 764566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper "Unexpected number of operands for MRMnRFrm with VEX_4V"); 765a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan else 766a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan assert(numPhysicalOperands <= 2 && 767a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan "Unexpected number of operands for MRMnRFrm"); 768a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan if (HasVEX_4VPrefix) 769566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper HANDLE_OPERAND(vvvvRegister) 7708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(rmRegister) 7718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 7728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 7748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 7758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 7768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 7778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 7788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 7798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 7808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 7818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 1 is a memory operand (possibly SIB-extended) 7828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Operand 2 (optional) is an immediate or relocation. 783566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper if (HasVEX_4VPrefix) 784566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 && 785566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper "Unexpected number of operands for MRMnMFrm"); 786566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper else 787566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper assert(numPhysicalOperands >= 1 && numPhysicalOperands <= 2 && 788566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper "Unexpected number of operands for MRMnMFrm"); 789566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper if (HasVEX_4VPrefix) 790566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper HANDLE_OPERAND(vvvvRegister) 7918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPERAND(memory) 7928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan HANDLE_OPTIONAL(relocation) 7938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 7946aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan case X86Local::RawFrmImm8: 7956aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan // operand 1 is a 16-bit immediate 7966aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan // operand 2 is an 8-bit immediate 7976aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan assert(numPhysicalOperands == 2 && 7986aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan "Unexpected number of operands for X86Local::RawFrmImm8"); 7996aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan HANDLE_OPERAND(immediate) 8006aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan HANDLE_OPERAND(immediate) 8016aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan break; 8026aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan case X86Local::RawFrmImm16: 8036aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan // operand 1 is a 16-bit immediate 8046aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan // operand 2 is a 16-bit immediate 8056aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan HANDLE_OPERAND(immediate) 8066aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan HANDLE_OPERAND(immediate) 8076aeb2e32b7724e7c4bd878d4c899be917492cb32Sean Callanan break; 8088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRMInitReg: 8098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Ignored. 8108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 8118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 8128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan #undef HANDLE_OPERAND 8148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan #undef HANDLE_OPTIONAL 8158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 8168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callananvoid RecognizableInstr::emitDecodePath(DisassemblerTables &tables) const { 8188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Special cases where the LLVM tables are not complete 8198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8209492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#define MAP(from, to) \ 8219492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan case X86Local::MRM_##from: \ 8229492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan filter = new ExactFilter(0x##from); \ 8239492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan break; 8248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan OpcodeType opcodeType = (OpcodeType)-1; 8268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ModRMFilter* filter = NULL; 8288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t opcodeToSet = 0; 8298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Prefix) { 8318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // Extended two-byte opcodes can start with f2 0f, f3 0f, or 0f 8328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::XD: 8338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::XS: 8348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::TB: 8358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = TWOBYTE; 8368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 8378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Opcode) { 83895a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan default: 83995a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan if (needsModRMForDecode(Form)) 84095a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan filter = new ModFilter(isRegFormat(Form)); 84195a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan else 84295a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan filter = new DumbFilter(); 84395a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan break; 8448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define EXTENSION_TABLE(n) case 0x##n: 8458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TWO_BYTE_EXTENSION_TABLES 8468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef EXTENSION_TABLE 8478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 8488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 8498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled two-byte extended opcode"); 8508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 8518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 8528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 8538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 8548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 8558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 8568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 8578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 8588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(true, Form - X86Local::MRM0r); 8598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 8608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 8618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 8628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 8638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 8648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 8658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 8668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 8678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 8688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(false, Form - X86Local::MRM0m); 8698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 8709492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 8718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Form) 8728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 87395a5a7d57015c21b355a351c2efc6866f89b2f61Sean Callanan } // switch (Opcode) 8748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 8758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 8768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::T8: 877ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper case X86Local::T8XD: 878ee62e4f6d192ee31d1ad9dd0ba0c41db6663d3c7Craig Topper case X86Local::T8XS: 8798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = THREEBYTE_38; 880566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper switch (Opcode) { 881566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper default: 882566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper if (needsModRMForDecode(Form)) 883566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper filter = new ModFilter(isRegFormat(Form)); 884566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper else 885566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper filter = new DumbFilter(); 886566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper break; 887566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper#define EXTENSION_TABLE(n) case 0x##n: 888566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper THREE_BYTE_38_EXTENSION_TABLES 889566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper#undef EXTENSION_TABLE 890566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper switch (Form) { 891566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper default: 892566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper llvm_unreachable("Unhandled two-byte extended opcode"); 893566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM0r: 894566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM1r: 895566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM2r: 896566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM3r: 897566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM4r: 898566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM5r: 899566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM6r: 900566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM7r: 901566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper filter = new ExtendedFilter(true, Form - X86Local::MRM0r); 902566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper break; 903566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM0m: 904566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM1m: 905566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM2m: 906566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM3m: 907566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM4m: 908566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM5m: 909566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM6m: 910566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper case X86Local::MRM7m: 911566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper filter = new ExtendedFilter(false, Form - X86Local::MRM0m); 912566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper break; 913566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper MRM_MAPPING 914566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper } // switch (Form) 915566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper break; 916566f233ba64c0bb2773b5717cb18753c7564f4b7Craig Topper } // switch (Opcode) 9178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 9188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 9190d8db8e0a8492ab2d4bef725ec61b519471b97ecChris Lattner case X86Local::P_TA: 92075485d6746f8b5b23c17cf6d2364e7e1e0705992Craig Topper case X86Local::TAXD: 9218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = THREEBYTE_3A; 9228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (needsModRMForDecode(Form)) 9238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ModFilter(isRegFormat(Form)); 9248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 9258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new DumbFilter(); 9268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 9278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 9284a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger case X86Local::A6: 9294a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger opcodeType = THREEBYTE_A6; 9304a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger if (needsModRMForDecode(Form)) 9314a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger filter = new ModFilter(isRegFormat(Form)); 9324a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger else 9334a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger filter = new DumbFilter(); 9344a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger opcodeToSet = Opcode; 9354a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger break; 9364a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger case X86Local::A7: 9374a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger opcodeType = THREEBYTE_A7; 9384a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger if (needsModRMForDecode(Form)) 9394a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger filter = new ModFilter(isRegFormat(Form)); 9404a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger else 9414a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger filter = new DumbFilter(); 9424a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger opcodeToSet = Opcode; 9434a8ac8de1ddfeaadb9ff13ce361bfc6435f18028Joerg Sonnenberger break; 9448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::D8: 9458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::D9: 9468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DA: 9478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DB: 9488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DC: 9498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DD: 9508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DE: 9518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::DF: 9528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(Opcode >= 0xc0 && "Unexpected opcode for an escape opcode"); 9538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = ONEBYTE; 9548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::AddRegFrm) { 9558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_MODRM; 9568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = Opcode; 9578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new AddRegEscapeFilter(Opcode); 9588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 9598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new EscapeFilter(true, Opcode); 9608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 9618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = 0xd8 + (Prefix - X86Local::D8); 9628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 963842f58f9be82e1a0d2751e7982ef3641829acf87Craig Topper case X86Local::REP: 9648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 9658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeType = ONEBYTE; 9668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Opcode) { 9678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define EXTENSION_TABLE(n) case 0x##n: 9688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ONE_BYTE_EXTENSION_TABLES 9698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef EXTENSION_TABLE 9708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan switch (Form) { 9718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 9728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Fell through the cracks of a single-byte " 9738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "extended opcode"); 9748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0r: 9758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1r: 9768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2r: 9778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3r: 9788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4r: 9798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5r: 9808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6r: 9818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7r: 9828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(true, Form - X86Local::MRM0r); 9838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 9848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM0m: 9858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM1m: 9868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM2m: 9878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM3m: 9888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM4m: 9898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM5m: 9908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM6m: 9918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case X86Local::MRM7m: 9928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ExtendedFilter(false, Form - X86Local::MRM0m); 9938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 9949492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan MRM_MAPPING 9958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Form) 9968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 9978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xd8: 9988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xd9: 9998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xda: 10008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdb: 10018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdc: 10028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdd: 10038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xde: 10048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan case 0xdf: 10058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new EscapeFilter(false, Form - X86Local::MRM0m); 10068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 10078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan default: 10088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (needsModRMForDecode(Form)) 10098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new ModFilter(isRegFormat(Form)); 10108ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan else 10118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan filter = new DumbFilter(); 10128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan break; 10138ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Opcode) 10148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet = Opcode; 10158ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } // switch (Prefix) 10168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10178ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(opcodeType != (OpcodeType)-1 && 10188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Opcode type not set"); 10198ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(filter && "Filter not set"); 10208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (Form == X86Local::AddRegFrm) { 10228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(Spec->modifierType != MODIFIER_MODRM) { 10238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan assert(opcodeToSet < 0xf9 && 10248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan "Not enough room for all ADDREG_FRM operands"); 10258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan uint8_t currentOpcode; 10278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan for (currentOpcode = opcodeToSet; 10298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan currentOpcode < opcodeToSet + 8; 10308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ++currentOpcode) 10318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 10328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 10338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan currentOpcode, 10348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 10356744a17dcfb941d9fdd869b9f06e20660e18ff88Craig Topper UID, Is32Bit, IgnoresVEX_L); 10368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_OPCODE; 10388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = opcodeToSet; 10398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 10408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // modifierBase was set where MODIFIER_MODRM was set 10418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 10428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 10438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet, 10448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 10456744a17dcfb941d9fdd869b9f06e20660e18ff88Craig Topper UID, Is32Bit, IgnoresVEX_L); 10468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 10478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } else { 10488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan tables.setTableFields(opcodeType, 10498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan insnContext(), 10508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan opcodeToSet, 10518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan *filter, 10526744a17dcfb941d9fdd869b9f06e20660e18ff88Craig Topper UID, Is32Bit, IgnoresVEX_L); 10538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierType = MODIFIER_NONE; 10558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan Spec->modifierBase = opcodeToSet; 10568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 10578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan delete filter; 10599492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan 10609492be8d10d7df8efaf33bcf2eb3ad13d49ddd60Sean Callanan#undef MAP 10618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 10628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 10638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define TYPE(str, type) if (s == str) return type; 10648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandType RecognizableInstr::typeFromString(const std::string &s, 10658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool isSSE, 10668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasREX_WPrefix, 10678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 10688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if (isSSE) { 10698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For SSE instructions, we ignore the OpSize prefix and force operand 10708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // sizes. 10718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_R16) 10728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_R32) 10738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR64", TYPE_R64) 10748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 10758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(hasREX_WPrefix) { 10768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions with a REX_W prefix, a declared 32-bit register encoding 10778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // is special. 10788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_R32) 10798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 10808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 10818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 10828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 10838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_R16) 10848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16imm", TYPE_IMM16) 10858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 10868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16mem", TYPE_Mv) 10878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16imm", TYPE_IMMv) 10888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i16i8imm", TYPE_IMMv) 10898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR16", TYPE_Rv) 10908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32mem", TYPE_Mv) 10918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32imm", TYPE_IMMv) 10928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32i8imm", TYPE_IMM32) 1093c37d4bbf1f33c5e4b1c2f1bf1a6e2cae2ae5603aKevin Enderby TYPE("u32u8imm", TYPE_IMM32) 10948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR32", TYPE_Rv) 10958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64mem", TYPE_Mv) 10968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i32imm", TYPE_IMM64) 10978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i8imm", TYPE_IMM64) 10988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR64", TYPE_R64) 10998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i8mem", TYPE_M8) 11008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i8imm", TYPE_IMM8) 11018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("GR8", TYPE_R8) 11028ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("VR128", TYPE_XMM128) 11038ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f128mem", TYPE_M128) 1104b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner TYPE("f256mem", TYPE_M256) 11058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("FR64", TYPE_XMM64) 11068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f64mem", TYPE_M64FP) 1107b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner TYPE("sdmem", TYPE_M64FP) 11088ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("FR32", TYPE_XMM32) 11098ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f32mem", TYPE_M32FP) 1110b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner TYPE("ssmem", TYPE_M32FP) 11118ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("RST", TYPE_ST) 11128ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i128mem", TYPE_M128) 1113a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan TYPE("i256mem", TYPE_M256) 11148ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64i32imm_pcrel", TYPE_REL64) 11159fc05227a2596c545b845ed9a72673995e49d16bChris Lattner TYPE("i16imm_pcrel", TYPE_REL16) 11168ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i32imm_pcrel", TYPE_REL32) 11175edca8162623b742282f5f03b0872ac3469b5bedSean Callanan TYPE("SSECC", TYPE_IMM3) 11188ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("brtarget", TYPE_RELv) 1119c266600bec4b5ba0ee93ffdfeaafcab8f1295145Owen Anderson TYPE("uncondbrtarget", TYPE_RELv) 11208ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("brtarget8", TYPE_REL8) 11218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("f80mem", TYPE_M80FP) 11227fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea32mem", TYPE_LEA) 11237fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea64_32mem", TYPE_LEA) 11247fb35a2fd83f5deadefcb230669b07e1d5b98137Sean Callanan TYPE("lea64mem", TYPE_LEA) 11258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("VR64", TYPE_MM64) 11268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("i64imm", TYPE_IMMv) 11278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque32mem", TYPE_M1616) 11288ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque48mem", TYPE_M1632) 11298ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque80mem", TYPE_M1664) 11308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("opaque512mem", TYPE_M512) 11318ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("SEGMENT_REG", TYPE_SEGMENTREG) 11328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("DEBUG_REG", TYPE_DEBUGREG) 11331a8b789a4b8290d263c1c75411788ca45bae3230Sean Callanan TYPE("CONTROL_REG", TYPE_CONTROLREG) 11348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset8", TYPE_MOFFS8) 11358ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset16", TYPE_MOFFS16) 11368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset32", TYPE_MOFFS32) 11378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan TYPE("offset64", TYPE_MOFFS64) 1138a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan TYPE("VR256", TYPE_XMM256) 11397ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper TYPE("GR16_NOAX", TYPE_Rv) 11407ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper TYPE("GR32_NOAX", TYPE_Rv) 11417ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper TYPE("GR64_NOAX", TYPE_R64) 11428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled type string " << s << "\n"; 11438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled type string"); 11448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 11458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#undef TYPE 11468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 11478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan#define ENCODING(str, encoding) if (s == str) return encoding; 11488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::immediateEncodingFromString 11498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 11508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 11518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 11528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 11538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 11548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_IW) 11558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 11568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32i8imm", ENCODING_IB) 1157c37d4bbf1f33c5e4b1c2f1bf1a6e2cae2ae5603aKevin Enderby ENCODING("u32u8imm", ENCODING_IB) 11588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("SSECC", ENCODING_IB) 11598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_Iv) 11608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16i8imm", ENCODING_IB) 11618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm", ENCODING_Iv) 11628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm", ENCODING_ID) 11638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i8imm", ENCODING_IB) 11648ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8imm", ENCODING_IB) 1165a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // This is not a typo. Instructions like BLENDVPD put 1166a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan // register IDs in 8-bit immediates nowadays. 1167a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR256", ENCODING_IB) 1168a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR128", ENCODING_IB) 11698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled immediate encoding " << s << "\n"; 11708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled immediate encoding"); 11718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 11728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 11738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::rmRegisterEncodingFromString 11748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 11758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 11768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_RM) 11778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_RM) 11788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_RM) 11798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_RM) 11808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR128", ENCODING_RM) 11818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR64", ENCODING_RM) 11828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR32", ENCODING_RM) 11838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR64", ENCODING_RM) 1184a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR256", ENCODING_RM) 11858ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled R/M register encoding " << s << "\n"; 11868ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled R/M register encoding"); 11878ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 11888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 11898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::roRegisterEncodingFromString 11908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 11918ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 11928ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_REG) 11938ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_REG) 11948ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_REG) 11958ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_REG) 11968ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR128", ENCODING_REG) 11978ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR64", ENCODING_REG) 11988ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("FR32", ENCODING_REG) 11998ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("VR64", ENCODING_REG) 12008ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("SEGMENT_REG", ENCODING_REG) 12018ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("DEBUG_REG", ENCODING_REG) 12021a8b789a4b8290d263c1c75411788ca45bae3230Sean Callanan ENCODING("CONTROL_REG", ENCODING_REG) 1203a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR256", ENCODING_REG) 12048ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled reg/opcode register encoding " << s << "\n"; 12058ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled reg/opcode register encoding"); 12068ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 12078ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 1208a21e2eae3def2fe39caed861dcb73c76c715569bSean CallananOperandEncoding RecognizableInstr::vvvvRegisterEncodingFromString 1209a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan (const std::string &s, 1210a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan bool hasOpSizePrefix) { 121154a11176f6a5e07e243f1d87ba19ac3f4681976bCraig Topper ENCODING("GR32", ENCODING_VVVV) 121254a11176f6a5e07e243f1d87ba19ac3f4681976bCraig Topper ENCODING("GR64", ENCODING_VVVV) 1213a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("FR32", ENCODING_VVVV) 1214a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("FR64", ENCODING_VVVV) 1215a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR128", ENCODING_VVVV) 1216a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("VR256", ENCODING_VVVV) 1217a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan errs() << "Unhandled VEX.vvvv register encoding " << s << "\n"; 1218a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan llvm_unreachable("Unhandled VEX.vvvv register encoding"); 1219a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan} 1220a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan 12218ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::memoryEncodingFromString 12228ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 12238ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 12248ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16mem", ENCODING_RM) 12258ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32mem", ENCODING_RM) 12268ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64mem", ENCODING_RM) 12278ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8mem", ENCODING_RM) 1228b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner ENCODING("ssmem", ENCODING_RM) 1229b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner ENCODING("sdmem", ENCODING_RM) 12308ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f128mem", ENCODING_RM) 1231b2ef4c1235c846c2503d0796541f4255ef1e13f5Chris Lattner ENCODING("f256mem", ENCODING_RM) 12328ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f64mem", ENCODING_RM) 12338ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f32mem", ENCODING_RM) 12348ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i128mem", ENCODING_RM) 1235a21e2eae3def2fe39caed861dcb73c76c715569bSean Callanan ENCODING("i256mem", ENCODING_RM) 12368ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("f80mem", ENCODING_RM) 12378ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea32mem", ENCODING_RM) 12388ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea64_32mem", ENCODING_RM) 12398ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("lea64mem", ENCODING_RM) 12408ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque32mem", ENCODING_RM) 12418ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque48mem", ENCODING_RM) 12428ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque80mem", ENCODING_RM) 12438ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("opaque512mem", ENCODING_RM) 12448ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled memory encoding " << s << "\n"; 12458ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled memory encoding"); 12468ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 12478ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 12488ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::relocationEncodingFromString 12498ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 12508ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 12518ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan if(!hasOpSizePrefix) { 12528ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // For instructions without an OpSize prefix, a declared 16-bit register or 12538ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan // immediate encoding is special. 12548ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_IW) 12558ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan } 12568ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16imm", ENCODING_Iv) 12578ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i16i8imm", ENCODING_IB) 12588ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm", ENCODING_Iv) 12598ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32i8imm", ENCODING_IB) 12608ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm", ENCODING_ID) 12618ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i8imm", ENCODING_IB) 12628ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i8imm", ENCODING_IB) 12638ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64i32imm_pcrel", ENCODING_ID) 12649fc05227a2596c545b845ed9a72673995e49d16bChris Lattner ENCODING("i16imm_pcrel", ENCODING_IW) 12658ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i32imm_pcrel", ENCODING_ID) 12668ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("brtarget", ENCODING_Iv) 12678ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("brtarget8", ENCODING_IB) 12688ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("i64imm", ENCODING_IO) 12698ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset8", ENCODING_Ia) 12708ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset16", ENCODING_Ia) 12718ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset32", ENCODING_Ia) 12728ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("offset64", ENCODING_Ia) 12738ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled relocation encoding " << s << "\n"; 12748ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled relocation encoding"); 12758ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 12768ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan 12778ed9f51663bc5533f36ca62e5668ae08e9a1313fSean CallananOperandEncoding RecognizableInstr::opcodeModifierEncodingFromString 12788ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan (const std::string &s, 12798ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan bool hasOpSizePrefix) { 12808ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("RST", ENCODING_I) 12818ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR32", ENCODING_Rv) 12828ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR64", ENCODING_RO) 12838ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR16", ENCODING_Rv) 12848ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan ENCODING("GR8", ENCODING_RB) 12857ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper ENCODING("GR16_NOAX", ENCODING_Rv) 12867ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper ENCODING("GR32_NOAX", ENCODING_Rv) 12877ea16b01fad5236cc132cb5fc3e443fcbf70d3b8Craig Topper ENCODING("GR64_NOAX", ENCODING_RO) 12888ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan errs() << "Unhandled opcode modifier encoding " << s << "\n"; 12898ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan llvm_unreachable("Unhandled opcode modifier encoding"); 12908ed9f51663bc5533f36ca62e5668ae08e9a1313fSean Callanan} 12919e6d1d1f5034347d237941f1bf08fba5c1583cd3Daniel Dunbar#undef ENCODING 1292