x87.isa revision 10784
14825Sgblack@eecs.umich.edu// Copyright (c) 2007 The Hewlett-Packard Development Company 29582Snilay@cs.wisc.edu// Copyright (c) 2012-13 Mark D. Hill and David A. Wood 34825Sgblack@eecs.umich.edu// All rights reserved. 44825Sgblack@eecs.umich.edu// 57087Snate@binkert.org// The license below extends only to copyright in the software and shall 67087Snate@binkert.org// not be construed as granting a license to any other intellectual 77087Snate@binkert.org// property including but not limited to intellectual property relating 87087Snate@binkert.org// to a hardware implementation of the functionality of the software 97087Snate@binkert.org// licensed hereunder. You may use the software subject to the license 107087Snate@binkert.org// terms below provided that you ensure that this notice is replicated 117087Snate@binkert.org// unmodified and in its entirety in all distributions of the software, 127087Snate@binkert.org// modified or unmodified, in source code or in binary form. 134825Sgblack@eecs.umich.edu// 147087Snate@binkert.org// Redistribution and use in source and binary forms, with or without 157087Snate@binkert.org// modification, are permitted provided that the following conditions are 167087Snate@binkert.org// met: redistributions of source code must retain the above copyright 177087Snate@binkert.org// notice, this list of conditions and the following disclaimer; 187087Snate@binkert.org// redistributions in binary form must reproduce the above copyright 197087Snate@binkert.org// notice, this list of conditions and the following disclaimer in the 207087Snate@binkert.org// documentation and/or other materials provided with the distribution; 217087Snate@binkert.org// neither the name of the copyright holders nor the names of its 224825Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 237087Snate@binkert.org// this software without specific prior written permission. 244825Sgblack@eecs.umich.edu// 254825Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 264825Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 274825Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 284825Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 294825Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 304825Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 314825Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 324825Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 334825Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 344825Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 354825Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 364825Sgblack@eecs.umich.edu// 374825Sgblack@eecs.umich.edu// Authors: Gabe Black 389582Snilay@cs.wisc.edu// Nilay Vaish 394825Sgblack@eecs.umich.edu 405162Sgblack@eecs.umich.eduformat WarnUnimpl { 415162Sgblack@eecs.umich.edu 0x1B: decode OPCODE_OP_BOTTOM3 { 425162Sgblack@eecs.umich.edu 0x0: decode MODRM_REG { 4310044Snilay@cs.wisc.edu 0x0: decode MODRM_MOD { 4410044Snilay@cs.wisc.edu 0x3: Inst::FADD1(Eq); 4510044Snilay@cs.wisc.edu // 32-bit memory operand 4610044Snilay@cs.wisc.edu default: Inst::FADD1(Md); 4710044Snilay@cs.wisc.edu } 4810784Snilay@cs.wisc.edu 0x1: decode MODRM_MOD { 4910784Snilay@cs.wisc.edu 0x3: Inst::FMUL1(Eq); 5010784Snilay@cs.wisc.edu default: Inst::FMUL1(Md); 5110784Snilay@cs.wisc.edu } 525162Sgblack@eecs.umich.edu 0x2: fcom(); 535162Sgblack@eecs.umich.edu 0x3: fcomp(); 5410044Snilay@cs.wisc.edu 0x4: decode MODRM_MOD { 5510044Snilay@cs.wisc.edu 0x3: Inst::FSUB1(Eq); 5610044Snilay@cs.wisc.edu default: Inst::FSUB1(Md); 5710044Snilay@cs.wisc.edu } 585162Sgblack@eecs.umich.edu 0x5: fsubr(); 5910784Snilay@cs.wisc.edu 0x6: decode MODRM_MOD { 6010784Snilay@cs.wisc.edu 0x3: Inst::FDIV1(Eq); 6110784Snilay@cs.wisc.edu default: Inst::FDIV1(Md); 6210784Snilay@cs.wisc.edu } 635162Sgblack@eecs.umich.edu 0x7: fdivr(); 644825Sgblack@eecs.umich.edu } 655162Sgblack@eecs.umich.edu 0x1: decode MODRM_REG { 669582Snilay@cs.wisc.edu 0x0: decode MODRM_MOD { 679582Snilay@cs.wisc.edu 0x3: Inst::FLD(Eq); 689582Snilay@cs.wisc.edu // 32-bit load 699582Snilay@cs.wisc.edu default: Inst::FLD(Md); 709582Snilay@cs.wisc.edu } 715162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 7210043Snilay@cs.wisc.edu 0x3: Inst::FXCH(Eq); 734825Sgblack@eecs.umich.edu default: Inst::UD2(); 744825Sgblack@eecs.umich.edu } 755162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 765162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 775162Sgblack@eecs.umich.edu 0x0: fnop(); 785162Sgblack@eecs.umich.edu default: Inst::UD2(); 795162Sgblack@eecs.umich.edu } 809894Sandreas@sandberg.pp.se default: Inst::FST(Ed); 815162Sgblack@eecs.umich.edu } 825162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 835162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 849894Sandreas@sandberg.pp.se default: Inst::FSTP(Ed); 855162Sgblack@eecs.umich.edu } 865162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 875162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 889470Snilay@cs.wisc.edu 0x0: Inst::FCHS(); 899470Snilay@cs.wisc.edu 0x1: Inst::FABS(); 905162Sgblack@eecs.umich.edu 0x4: ftst(); 915162Sgblack@eecs.umich.edu 0x5: fxam(); 925162Sgblack@eecs.umich.edu default: Inst::UD2(); 935162Sgblack@eecs.umich.edu } 949895Sandreas@sandberg.pp.se default: Inst::FLDENV(M); 955162Sgblack@eecs.umich.edu } 965162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 975162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 989582Snilay@cs.wisc.edu 0x0: Inst::FLD1(); 999582Snilay@cs.wisc.edu 0x1: Inst::FLDL2T(); 1009582Snilay@cs.wisc.edu 0x2: Inst::FLDL2E(); 1019582Snilay@cs.wisc.edu 0x3: Inst::FLDPI(); 1029582Snilay@cs.wisc.edu 0x4: Inst::FLDLG2(); 1039582Snilay@cs.wisc.edu 0x5: Inst::FLDLN2(); 1049582Snilay@cs.wisc.edu 0x6: Inst::FLDZ(); 1055162Sgblack@eecs.umich.edu } 1069582Snilay@cs.wisc.edu default: Inst::FLDCW(Mw); 1075162Sgblack@eecs.umich.edu } 1085162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 1095162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 1105162Sgblack@eecs.umich.edu 0x0: f2xm1(); 1119582Snilay@cs.wisc.edu 0x1: Inst::FYL2X(); 1129582Snilay@cs.wisc.edu 0x2: Inst::FPTAN(); 1135162Sgblack@eecs.umich.edu 0x3: fpatan(); 1145162Sgblack@eecs.umich.edu 0x4: fxtract(); 1159582Snilay@cs.wisc.edu 0x5: Inst::FPREM1(); 1165162Sgblack@eecs.umich.edu 0x6: fdecstp(); 1175162Sgblack@eecs.umich.edu 0x7: fincstp(); 1185162Sgblack@eecs.umich.edu } 1199895Sandreas@sandberg.pp.se default: Inst::FNSTENV(M); 1205162Sgblack@eecs.umich.edu } 1215162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 1225162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 1239582Snilay@cs.wisc.edu 0x0: Inst::FPREM(); 1245162Sgblack@eecs.umich.edu 0x1: fyl2xp1(); 1255162Sgblack@eecs.umich.edu 0x2: fsqrt(); 1269371Snilay@cs.wisc.edu 0x3: Inst::FSINCOS(); 1275162Sgblack@eecs.umich.edu 0x4: frndint(); 1285162Sgblack@eecs.umich.edu 0x5: fscale(); 1299472Snilay@cs.wisc.edu 0x6: Inst::FSIN(); 1309472Snilay@cs.wisc.edu 0x7: Inst::FCOS(); 1315162Sgblack@eecs.umich.edu } 1329372Snilay@cs.wisc.edu default: Inst::FNSTCW(Mw); 1335162Sgblack@eecs.umich.edu } 1344825Sgblack@eecs.umich.edu } 1355162Sgblack@eecs.umich.edu //0x2: esc2(); 1365162Sgblack@eecs.umich.edu 0x2: decode MODRM_REG { 1375162Sgblack@eecs.umich.edu 0x0: decode MODRM_MOD { 1385162Sgblack@eecs.umich.edu 0x3: fcmovb(); 1395162Sgblack@eecs.umich.edu default: fiadd(); 1405162Sgblack@eecs.umich.edu } 1415162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 1425162Sgblack@eecs.umich.edu 0x3: fcmove(); 1435162Sgblack@eecs.umich.edu default: fimul(); 1445162Sgblack@eecs.umich.edu } 1455162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 1465162Sgblack@eecs.umich.edu 0x3: fcmovbe(); 1475162Sgblack@eecs.umich.edu default: ficom(); 1485162Sgblack@eecs.umich.edu } 1495162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 1505162Sgblack@eecs.umich.edu 0x3: fcmovu(); 1515162Sgblack@eecs.umich.edu default: ficomp(); 1525162Sgblack@eecs.umich.edu } 1535162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 1545162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 1555162Sgblack@eecs.umich.edu default: fisub(); 1565162Sgblack@eecs.umich.edu } 1575162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 1585162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 1595162Sgblack@eecs.umich.edu 0x1: fucompp(); 1605162Sgblack@eecs.umich.edu default: Inst::UD2(); 1615162Sgblack@eecs.umich.edu } 1625162Sgblack@eecs.umich.edu default: fisubr(); 1635162Sgblack@eecs.umich.edu } 1645162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 1655162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 1665162Sgblack@eecs.umich.edu default: fidiv(); 1675162Sgblack@eecs.umich.edu } 1685162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 1695162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 1705162Sgblack@eecs.umich.edu default: fidivr(); 1715162Sgblack@eecs.umich.edu } 1724825Sgblack@eecs.umich.edu } 1735162Sgblack@eecs.umich.edu //0x3: esc3(); 1745162Sgblack@eecs.umich.edu 0x3: decode MODRM_REG { 1755162Sgblack@eecs.umich.edu 0x0: decode MODRM_MOD { 1765162Sgblack@eecs.umich.edu 0x3: fcmovnb(); 1775162Sgblack@eecs.umich.edu default: fild(); 1785162Sgblack@eecs.umich.edu } 1795162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 1805162Sgblack@eecs.umich.edu 0x3: fcmovne(); 1815162Sgblack@eecs.umich.edu default: fisttp(); 1825162Sgblack@eecs.umich.edu } 1835162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 1845162Sgblack@eecs.umich.edu 0x3: fcmovnbe(); 1855162Sgblack@eecs.umich.edu default: fist(); 1865162Sgblack@eecs.umich.edu } 1875162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 1885162Sgblack@eecs.umich.edu 0x3: fcmovnu(); 1895162Sgblack@eecs.umich.edu default: fistp(); 1905162Sgblack@eecs.umich.edu } 1915162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 1925162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 1935162Sgblack@eecs.umich.edu 0x2: fnclex(); 1945162Sgblack@eecs.umich.edu 0x3: fninit(); 1955162Sgblack@eecs.umich.edu default: Inst::UD2(); 1965162Sgblack@eecs.umich.edu } 1974825Sgblack@eecs.umich.edu default: Inst::UD2(); 1984825Sgblack@eecs.umich.edu } 1995162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 2005162Sgblack@eecs.umich.edu 0x3: fucomi(); 2019582Snilay@cs.wisc.edu // 80-bit load 2029894Sandreas@sandberg.pp.se default: Inst::FLD80(M); 2034825Sgblack@eecs.umich.edu } 2045162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 2055162Sgblack@eecs.umich.edu 0x3: fcomi(); 2064825Sgblack@eecs.umich.edu default: Inst::UD2(); 2074825Sgblack@eecs.umich.edu } 2085162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 2095162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2109894Sandreas@sandberg.pp.se default: Inst::FST80P(M); 2115162Sgblack@eecs.umich.edu } 2124825Sgblack@eecs.umich.edu } 2135162Sgblack@eecs.umich.edu //0x4: esc4(); 2145162Sgblack@eecs.umich.edu 0x4: decode MODRM_REG { 21510044Snilay@cs.wisc.edu 0x0: decode MODRM_MOD { 21610044Snilay@cs.wisc.edu 0x3: Inst::FADD2(Eq); 21710044Snilay@cs.wisc.edu default: Inst::FADD2(Mq); 21810044Snilay@cs.wisc.edu } 21910784Snilay@cs.wisc.edu 0x1: decode MODRM_MOD { 22010784Snilay@cs.wisc.edu 0x3: Inst::FMUL2(Eq); 22110784Snilay@cs.wisc.edu default: Inst::FMUL2(Mq); 22210784Snilay@cs.wisc.edu } 2235162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 2245162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2255162Sgblack@eecs.umich.edu default: fcom(); 2265162Sgblack@eecs.umich.edu } 2275162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 2285162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2295162Sgblack@eecs.umich.edu default: fcomp(); 2305162Sgblack@eecs.umich.edu } 2315162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 2325162Sgblack@eecs.umich.edu 0x3: fsubr(); 23310044Snilay@cs.wisc.edu default: Inst::FSUB2(Mq); 2345162Sgblack@eecs.umich.edu } 2355162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 23610044Snilay@cs.wisc.edu 0x3: Inst::FSUB2(Eq); 2375162Sgblack@eecs.umich.edu default: fsubr(); 2385162Sgblack@eecs.umich.edu } 2395162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 2405162Sgblack@eecs.umich.edu 0x3: fdivr(); 24110784Snilay@cs.wisc.edu default: Inst::FDIV2(Mq); 2425162Sgblack@eecs.umich.edu } 2435162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 24410784Snilay@cs.wisc.edu 0x3: Inst::FDIV2(Eq); 2455162Sgblack@eecs.umich.edu default: fdivr(); 2465162Sgblack@eecs.umich.edu } 2474825Sgblack@eecs.umich.edu } 2485162Sgblack@eecs.umich.edu //0x5: esc5(); 2495162Sgblack@eecs.umich.edu 0x5: decode MODRM_REG { 2505162Sgblack@eecs.umich.edu 0x0: decode MODRM_MOD { 2515162Sgblack@eecs.umich.edu 0x3: ffree(); 2529582Snilay@cs.wisc.edu // 64-bit load 2535162Sgblack@eecs.umich.edu default: Inst::FLD(Mq); 2545162Sgblack@eecs.umich.edu } 2555162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 2565162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2575162Sgblack@eecs.umich.edu default: fisttp(); 2585162Sgblack@eecs.umich.edu } 25910043Snilay@cs.wisc.edu 0x2: decode MODRM_MOD { 26010043Snilay@cs.wisc.edu 0x3: Inst::FST(Eq); 26110043Snilay@cs.wisc.edu default: Inst::FST(Mq); 26210043Snilay@cs.wisc.edu } 26310043Snilay@cs.wisc.edu 0x3: decode MODRM_MOD { 26410043Snilay@cs.wisc.edu 0x3: Inst::FSTP(Eq); 26510043Snilay@cs.wisc.edu default: Inst::FSTP(Mq); 26610043Snilay@cs.wisc.edu } 2675162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 2685162Sgblack@eecs.umich.edu 0x3: fucom(); 2695162Sgblack@eecs.umich.edu default: frstor(); 2705162Sgblack@eecs.umich.edu } 2715162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 2725162Sgblack@eecs.umich.edu 0x3: fucomp(); 2734825Sgblack@eecs.umich.edu default: Inst::UD2(); 2744825Sgblack@eecs.umich.edu } 2755162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 2765162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2775162Sgblack@eecs.umich.edu default: fnsave(); 2785162Sgblack@eecs.umich.edu } 2795162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 2805162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2819372Snilay@cs.wisc.edu default: Inst::FNSTSW(Mw); 2825162Sgblack@eecs.umich.edu } 2834825Sgblack@eecs.umich.edu } 2845162Sgblack@eecs.umich.edu //0x6: esc6(); 2855162Sgblack@eecs.umich.edu 0x6: decode MODRM_REG { 2865162Sgblack@eecs.umich.edu 0x0: decode MODRM_MOD { 28710044Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 28810044Snilay@cs.wisc.edu 0x1: Inst::FADDP(); 28910044Snilay@cs.wisc.edu default: Inst::FADDP(Eq); 29010044Snilay@cs.wisc.edu } 2915162Sgblack@eecs.umich.edu default: fiadd(); 2925162Sgblack@eecs.umich.edu } 2935162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 29410784Snilay@cs.wisc.edu 0x3: Inst::FMULP(Eq); 2955162Sgblack@eecs.umich.edu default: fimul(); 2965162Sgblack@eecs.umich.edu } 2975162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 2985162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 2995162Sgblack@eecs.umich.edu default: ficom(); 3005162Sgblack@eecs.umich.edu } 3015162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 3025162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 3035162Sgblack@eecs.umich.edu 0x1: fcompp(); 3045162Sgblack@eecs.umich.edu default: Inst::UD2(); 3055162Sgblack@eecs.umich.edu } 3065162Sgblack@eecs.umich.edu default: ficomp(); 3075162Sgblack@eecs.umich.edu } 3085162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 3095162Sgblack@eecs.umich.edu 0x3: fsubrp(); 3105162Sgblack@eecs.umich.edu default: fisub(); 3115162Sgblack@eecs.umich.edu } 3125162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 31310044Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 31410044Snilay@cs.wisc.edu 0x1: Inst::FSUBP(); 31510044Snilay@cs.wisc.edu default: Inst::FSUBP(Eq); 31610044Snilay@cs.wisc.edu } 3175162Sgblack@eecs.umich.edu default: fisubr(); 3185162Sgblack@eecs.umich.edu } 3195162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 3205162Sgblack@eecs.umich.edu 0x3: fdivrp(); 3215162Sgblack@eecs.umich.edu default: fidiv(); 3225162Sgblack@eecs.umich.edu } 3235162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 32410784Snilay@cs.wisc.edu 0x3: Inst::FDIVP(Eq); 3255162Sgblack@eecs.umich.edu default: fidivr(); 3265162Sgblack@eecs.umich.edu } 3274825Sgblack@eecs.umich.edu } 3285162Sgblack@eecs.umich.edu //0x7: esc7(); 3295162Sgblack@eecs.umich.edu 0x7: decode MODRM_REG { 3305162Sgblack@eecs.umich.edu 0x0: decode MODRM_MOD { 3318106Sgblack@eecs.umich.edu // The ffreep instruction isn't entirely real. It should work 3328106Sgblack@eecs.umich.edu // the same as ffree but then also pop the register stack. 3338106Sgblack@eecs.umich.edu 0x3: ffreep(); 3345162Sgblack@eecs.umich.edu default: fild(); 3354825Sgblack@eecs.umich.edu } 3365162Sgblack@eecs.umich.edu 0x1: decode MODRM_MOD { 3375162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 3385162Sgblack@eecs.umich.edu default: fisttp(); 3394825Sgblack@eecs.umich.edu } 3405162Sgblack@eecs.umich.edu 0x2: decode MODRM_MOD { 3415162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 3425162Sgblack@eecs.umich.edu default: fist(); 3435162Sgblack@eecs.umich.edu } 3445162Sgblack@eecs.umich.edu 0x3: decode MODRM_MOD { 3455162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 3465162Sgblack@eecs.umich.edu default: fistp(); 3475162Sgblack@eecs.umich.edu } 3485162Sgblack@eecs.umich.edu 0x4: decode MODRM_MOD { 3495162Sgblack@eecs.umich.edu 0x3: decode MODRM_RM { 3509372Snilay@cs.wisc.edu 0x0: Inst::FNSTSW(rAw); 3515162Sgblack@eecs.umich.edu default: Inst::UD2(); 3525162Sgblack@eecs.umich.edu } 3535162Sgblack@eecs.umich.edu default: fbld(); 3545162Sgblack@eecs.umich.edu } 3555162Sgblack@eecs.umich.edu 0x5: decode MODRM_MOD { 3565162Sgblack@eecs.umich.edu 0x3: fucomip(); 3575162Sgblack@eecs.umich.edu default: fild(); 3585162Sgblack@eecs.umich.edu } 3595162Sgblack@eecs.umich.edu 0x6: decode MODRM_MOD { 3605162Sgblack@eecs.umich.edu 0x3: fcomip(); 3615162Sgblack@eecs.umich.edu default: fbstp(); 3625162Sgblack@eecs.umich.edu } 3635162Sgblack@eecs.umich.edu 0x7: decode MODRM_MOD { 3645162Sgblack@eecs.umich.edu 0x3: Inst::UD2(); 3655162Sgblack@eecs.umich.edu default: fistp(); 3665162Sgblack@eecs.umich.edu } 3674825Sgblack@eecs.umich.edu } 3684825Sgblack@eecs.umich.edu } 3694825Sgblack@eecs.umich.edu} 370