fp.isa revision 11671
16019Shines@cs.fsu.edu// -*- mode:c++ -*- 26019Shines@cs.fsu.edu 311671Smitch.hayenga@arm.com// Copyright (c) 2010-2011,2016 ARM Limited 47178Sgblack@eecs.umich.edu// All rights reserved 57178Sgblack@eecs.umich.edu// 67178Sgblack@eecs.umich.edu// The license below extends only to copyright in the software and shall 77178Sgblack@eecs.umich.edu// not be construed as granting a license to any other intellectual 87178Sgblack@eecs.umich.edu// property including but not limited to intellectual property relating 97178Sgblack@eecs.umich.edu// to a hardware implementation of the functionality of the software 107178Sgblack@eecs.umich.edu// licensed hereunder. You may use the software subject to the license 117178Sgblack@eecs.umich.edu// terms below provided that you ensure that this notice is replicated 127178Sgblack@eecs.umich.edu// unmodified and in its entirety in all distributions of the software, 137178Sgblack@eecs.umich.edu// modified or unmodified, in source code or in binary form. 147178Sgblack@eecs.umich.edu// 156019Shines@cs.fsu.edu// Copyright (c) 2007-2008 The Florida State University 166019Shines@cs.fsu.edu// All rights reserved. 176019Shines@cs.fsu.edu// 186019Shines@cs.fsu.edu// Redistribution and use in source and binary forms, with or without 196019Shines@cs.fsu.edu// modification, are permitted provided that the following conditions are 206019Shines@cs.fsu.edu// met: redistributions of source code must retain the above copyright 216019Shines@cs.fsu.edu// notice, this list of conditions and the following disclaimer; 226019Shines@cs.fsu.edu// redistributions in binary form must reproduce the above copyright 236019Shines@cs.fsu.edu// notice, this list of conditions and the following disclaimer in the 246019Shines@cs.fsu.edu// documentation and/or other materials provided with the distribution; 256019Shines@cs.fsu.edu// neither the name of the copyright holders nor the names of its 266019Shines@cs.fsu.edu// contributors may be used to endorse or promote products derived from 276019Shines@cs.fsu.edu// this software without specific prior written permission. 286019Shines@cs.fsu.edu// 296019Shines@cs.fsu.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 306019Shines@cs.fsu.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 316019Shines@cs.fsu.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 326019Shines@cs.fsu.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 336019Shines@cs.fsu.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 346019Shines@cs.fsu.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 356019Shines@cs.fsu.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 366019Shines@cs.fsu.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 376019Shines@cs.fsu.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 386019Shines@cs.fsu.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 396019Shines@cs.fsu.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 406019Shines@cs.fsu.edu// 416019Shines@cs.fsu.edu// Authors: Stephen Hines 426019Shines@cs.fsu.edu 436019Shines@cs.fsu.edu//////////////////////////////////////////////////////////////////// 446019Shines@cs.fsu.edu// 456019Shines@cs.fsu.edu// Floating Point operate instructions 466019Shines@cs.fsu.edu// 476019Shines@cs.fsu.edu 487639Sgblack@eecs.umich.eduoutput header {{ 497639Sgblack@eecs.umich.edu 507639Sgblack@eecs.umich.edu template<template <typename T> class Base> 517639Sgblack@eecs.umich.edu StaticInstPtr 527639Sgblack@eecs.umich.edu newNeonMemInst(const unsigned size, 537639Sgblack@eecs.umich.edu const ExtMachInst &machInst, 547639Sgblack@eecs.umich.edu const RegIndex dest, const RegIndex ra, 557639Sgblack@eecs.umich.edu const uint32_t imm, const unsigned extraMemFlags) 567639Sgblack@eecs.umich.edu { 577639Sgblack@eecs.umich.edu switch (size) { 587639Sgblack@eecs.umich.edu case 0: 597639Sgblack@eecs.umich.edu return new Base<uint8_t>(machInst, dest, ra, imm, extraMemFlags); 607639Sgblack@eecs.umich.edu case 1: 617639Sgblack@eecs.umich.edu return new Base<uint16_t>(machInst, dest, ra, imm, extraMemFlags); 627639Sgblack@eecs.umich.edu case 2: 637639Sgblack@eecs.umich.edu return new Base<uint32_t>(machInst, dest, ra, imm, extraMemFlags); 647639Sgblack@eecs.umich.edu case 3: 657639Sgblack@eecs.umich.edu return new Base<uint64_t>(machInst, dest, ra, imm, extraMemFlags); 667639Sgblack@eecs.umich.edu default: 677639Sgblack@eecs.umich.edu panic("Unrecognized width %d for Neon mem inst.\n", (1 << size)); 687639Sgblack@eecs.umich.edu } 697639Sgblack@eecs.umich.edu } 707639Sgblack@eecs.umich.edu 717639Sgblack@eecs.umich.edu template<template <typename T> class Base> 727639Sgblack@eecs.umich.edu StaticInstPtr 737639Sgblack@eecs.umich.edu newNeonMixInst(const unsigned size, 747639Sgblack@eecs.umich.edu const ExtMachInst &machInst, 757639Sgblack@eecs.umich.edu const RegIndex dest, const RegIndex op1, 767639Sgblack@eecs.umich.edu const uint32_t step) 777639Sgblack@eecs.umich.edu { 787639Sgblack@eecs.umich.edu switch (size) { 797639Sgblack@eecs.umich.edu case 0: 807639Sgblack@eecs.umich.edu return new Base<uint8_t>(machInst, dest, op1, step); 817639Sgblack@eecs.umich.edu case 1: 827639Sgblack@eecs.umich.edu return new Base<uint16_t>(machInst, dest, op1, step); 837639Sgblack@eecs.umich.edu case 2: 847639Sgblack@eecs.umich.edu return new Base<uint32_t>(machInst, dest, op1, step); 857639Sgblack@eecs.umich.edu case 3: 867639Sgblack@eecs.umich.edu return new Base<uint64_t>(machInst, dest, op1, step); 877639Sgblack@eecs.umich.edu default: 887639Sgblack@eecs.umich.edu panic("Unrecognized width %d for Neon mem inst.\n", (1 << size)); 897639Sgblack@eecs.umich.edu } 907639Sgblack@eecs.umich.edu } 917639Sgblack@eecs.umich.edu 927639Sgblack@eecs.umich.edu}}; 937639Sgblack@eecs.umich.edu 947356Sgblack@eecs.umich.edulet {{ 957356Sgblack@eecs.umich.edu header_output = ''' 967356Sgblack@eecs.umich.edu StaticInstPtr 977435Sgblack@eecs.umich.edu decodeNeonMem(ExtMachInst machInst); 987435Sgblack@eecs.umich.edu 997435Sgblack@eecs.umich.edu StaticInstPtr 1007435Sgblack@eecs.umich.edu decodeNeonData(ExtMachInst machInst); 1017435Sgblack@eecs.umich.edu ''' 1027435Sgblack@eecs.umich.edu 1037435Sgblack@eecs.umich.edu decoder_output = ''' 1047435Sgblack@eecs.umich.edu StaticInstPtr 1057435Sgblack@eecs.umich.edu decodeNeonMem(ExtMachInst machInst) 1067435Sgblack@eecs.umich.edu { 1077435Sgblack@eecs.umich.edu const uint32_t b = bits(machInst, 11, 8); 1087639Sgblack@eecs.umich.edu const bool single = bits(machInst, 23); 1097639Sgblack@eecs.umich.edu const bool singleAll = single && (bits(b, 3, 2) == 3); 1107639Sgblack@eecs.umich.edu const bool load = bits(machInst, 21); 1117435Sgblack@eecs.umich.edu 1127639Sgblack@eecs.umich.edu unsigned width = 0; 1137639Sgblack@eecs.umich.edu 1147639Sgblack@eecs.umich.edu if (single) { 1157639Sgblack@eecs.umich.edu width = bits(b, 1, 0) + 1; 1167639Sgblack@eecs.umich.edu } else { 1177639Sgblack@eecs.umich.edu switch (bits(b, 3, 1)) { 1187639Sgblack@eecs.umich.edu case 0x0: width = 4; 1197639Sgblack@eecs.umich.edu break; 1207639Sgblack@eecs.umich.edu case 0x1: width = (b & 0x1) ? 2 : 1; 1217639Sgblack@eecs.umich.edu break; 1227639Sgblack@eecs.umich.edu case 0x2: width = 3; 1237639Sgblack@eecs.umich.edu break; 1247639Sgblack@eecs.umich.edu case 0x3: width = 1; 1257639Sgblack@eecs.umich.edu break; 1267639Sgblack@eecs.umich.edu case 0x4: width = 2; 1277639Sgblack@eecs.umich.edu break; 1287639Sgblack@eecs.umich.edu case 0x5: 1297639Sgblack@eecs.umich.edu if ((b & 0x1) == 0) { 1307639Sgblack@eecs.umich.edu width = 1; 1317639Sgblack@eecs.umich.edu break; 1327639Sgblack@eecs.umich.edu } 1337639Sgblack@eecs.umich.edu // Fall through on purpose. 1347639Sgblack@eecs.umich.edu default: 1357639Sgblack@eecs.umich.edu return new Unknown(machInst); 1367639Sgblack@eecs.umich.edu } 1377639Sgblack@eecs.umich.edu } 1387639Sgblack@eecs.umich.edu assert(width > 0 && width <= 4); 1397639Sgblack@eecs.umich.edu 1407639Sgblack@eecs.umich.edu const RegIndex rm = (RegIndex)(uint32_t)bits(machInst, 3, 0); 1417639Sgblack@eecs.umich.edu const RegIndex rn = (RegIndex)(uint32_t)bits(machInst, 19, 16); 1427639Sgblack@eecs.umich.edu const RegIndex vd = (RegIndex)(uint32_t)(bits(machInst, 15, 12) | 1437639Sgblack@eecs.umich.edu bits(machInst, 22) << 4); 1447639Sgblack@eecs.umich.edu const uint32_t type = bits(machInst, 11, 8); 1457639Sgblack@eecs.umich.edu uint32_t size = 0; 1468144SAli.Saidi@ARM.com uint32_t align = TLB::MustBeOne; 1477639Sgblack@eecs.umich.edu unsigned inc = 1; 1487639Sgblack@eecs.umich.edu unsigned regs = 1; 1497639Sgblack@eecs.umich.edu unsigned lane = 0; 1507639Sgblack@eecs.umich.edu if (single) { 1517639Sgblack@eecs.umich.edu if (singleAll) { 1527639Sgblack@eecs.umich.edu size = bits(machInst, 7, 6); 1537639Sgblack@eecs.umich.edu bool t = bits(machInst, 5); 15410037SARM gem5 Developers align = size | TLB::AllowUnaligned; 1557639Sgblack@eecs.umich.edu if (width == 1) { 1567639Sgblack@eecs.umich.edu regs = t ? 2 : 1; 1577639Sgblack@eecs.umich.edu inc = 1; 1587639Sgblack@eecs.umich.edu } else { 1597639Sgblack@eecs.umich.edu regs = width; 1607639Sgblack@eecs.umich.edu inc = t ? 2 : 1; 1617639Sgblack@eecs.umich.edu } 1627639Sgblack@eecs.umich.edu switch (width) { 1637639Sgblack@eecs.umich.edu case 1: 1647639Sgblack@eecs.umich.edu case 2: 1657639Sgblack@eecs.umich.edu if (bits(machInst, 4)) 16610037SARM gem5 Developers align = size + width - 1; 1677639Sgblack@eecs.umich.edu break; 1687639Sgblack@eecs.umich.edu case 3: 1697639Sgblack@eecs.umich.edu break; 1707639Sgblack@eecs.umich.edu case 4: 1717639Sgblack@eecs.umich.edu if (size == 3) { 1727639Sgblack@eecs.umich.edu if (bits(machInst, 4) == 0) 1737639Sgblack@eecs.umich.edu return new Unknown(machInst); 1747639Sgblack@eecs.umich.edu size = 2; 17510037SARM gem5 Developers align = 0x4; 1767639Sgblack@eecs.umich.edu } else if (size == 2) { 1777639Sgblack@eecs.umich.edu if (bits(machInst, 4)) 17810037SARM gem5 Developers align = 0x3; 1797639Sgblack@eecs.umich.edu } else { 1807639Sgblack@eecs.umich.edu if (bits(machInst, 4)) 18110037SARM gem5 Developers align = size + 2; 1827591SAli.Saidi@ARM.com } 1837639Sgblack@eecs.umich.edu break; 1847435Sgblack@eecs.umich.edu } 1857435Sgblack@eecs.umich.edu } else { 1867639Sgblack@eecs.umich.edu size = bits(machInst, 11, 10); 18710037SARM gem5 Developers align = size | TLB::AllowUnaligned; 1887639Sgblack@eecs.umich.edu regs = width; 1897639Sgblack@eecs.umich.edu unsigned indexAlign = bits(machInst, 7, 4); 1907639Sgblack@eecs.umich.edu // If width is 1, inc is always 1. That's overridden later. 1917639Sgblack@eecs.umich.edu switch (size) { 1927639Sgblack@eecs.umich.edu case 0: 1937639Sgblack@eecs.umich.edu inc = 1; 1947639Sgblack@eecs.umich.edu lane = bits(indexAlign, 3, 1); 1957639Sgblack@eecs.umich.edu break; 1967639Sgblack@eecs.umich.edu case 1: 1977639Sgblack@eecs.umich.edu inc = bits(indexAlign, 1) ? 2 : 1; 1987639Sgblack@eecs.umich.edu lane = bits(indexAlign, 3, 2); 1997639Sgblack@eecs.umich.edu break; 2007639Sgblack@eecs.umich.edu case 2: 2017639Sgblack@eecs.umich.edu inc = bits(indexAlign, 2) ? 2 : 1; 2027639Sgblack@eecs.umich.edu lane = bits(indexAlign, 3); 2037639Sgblack@eecs.umich.edu break; 2047639Sgblack@eecs.umich.edu } 2057639Sgblack@eecs.umich.edu // Override inc for width of 1. 2067639Sgblack@eecs.umich.edu if (width == 1) { 2077639Sgblack@eecs.umich.edu inc = 1; 2087639Sgblack@eecs.umich.edu } 2097639Sgblack@eecs.umich.edu switch (width) { 2107639Sgblack@eecs.umich.edu case 1: 2117639Sgblack@eecs.umich.edu switch (size) { 2127639Sgblack@eecs.umich.edu case 0: 2137639Sgblack@eecs.umich.edu break; 2147639Sgblack@eecs.umich.edu case 1: 2157639Sgblack@eecs.umich.edu if (bits(indexAlign, 0)) 2167639Sgblack@eecs.umich.edu align = 1; 2177639Sgblack@eecs.umich.edu break; 2187639Sgblack@eecs.umich.edu case 2: 2197639Sgblack@eecs.umich.edu if (bits(indexAlign, 1, 0)) 22010037SARM gem5 Developers align = 2; 2217591SAli.Saidi@ARM.com break; 2227591SAli.Saidi@ARM.com } 2237639Sgblack@eecs.umich.edu break; 2247639Sgblack@eecs.umich.edu case 2: 2257639Sgblack@eecs.umich.edu if (bits(indexAlign, 0)) 22610037SARM gem5 Developers align = size + 1; 2277639Sgblack@eecs.umich.edu break; 2287639Sgblack@eecs.umich.edu case 3: 2297639Sgblack@eecs.umich.edu break; 2307639Sgblack@eecs.umich.edu case 4: 2317639Sgblack@eecs.umich.edu switch (size) { 2327639Sgblack@eecs.umich.edu case 0: 2337639Sgblack@eecs.umich.edu case 1: 2347639Sgblack@eecs.umich.edu if (bits(indexAlign, 0)) 23510037SARM gem5 Developers align = size + 2; 2367639Sgblack@eecs.umich.edu break; 2377639Sgblack@eecs.umich.edu case 2: 2387639Sgblack@eecs.umich.edu if (bits(indexAlign, 0)) 23910037SARM gem5 Developers align = bits(indexAlign, 1, 0) + 2; 2407639Sgblack@eecs.umich.edu break; 2417639Sgblack@eecs.umich.edu } 2427639Sgblack@eecs.umich.edu break; 2437435Sgblack@eecs.umich.edu } 2447435Sgblack@eecs.umich.edu } 2457639Sgblack@eecs.umich.edu if (size == 0x3) { 2467639Sgblack@eecs.umich.edu return new Unknown(machInst); 2477639Sgblack@eecs.umich.edu } 2487639Sgblack@eecs.umich.edu } else { 2497639Sgblack@eecs.umich.edu size = bits(machInst, 7, 6); 2507639Sgblack@eecs.umich.edu align = bits(machInst, 5, 4); 2517639Sgblack@eecs.umich.edu if (align == 0) { 2527639Sgblack@eecs.umich.edu // @align wasn't specified, so alignment can be turned off. 25310037SARM gem5 Developers align = size | TLB::AllowUnaligned; 2547639Sgblack@eecs.umich.edu } else { 25510037SARM gem5 Developers align = align + 2; 2567639Sgblack@eecs.umich.edu } 2577639Sgblack@eecs.umich.edu switch (width) { 2587639Sgblack@eecs.umich.edu case 1: 2597639Sgblack@eecs.umich.edu switch (type) { 2607639Sgblack@eecs.umich.edu case 0x7: regs = 1; 2617639Sgblack@eecs.umich.edu break; 2627639Sgblack@eecs.umich.edu case 0xa: regs = 2; 2637639Sgblack@eecs.umich.edu break; 2647639Sgblack@eecs.umich.edu case 0x6: regs = 3; 2657639Sgblack@eecs.umich.edu break; 2667639Sgblack@eecs.umich.edu case 0x2: regs = 4; 2677639Sgblack@eecs.umich.edu break; 2687639Sgblack@eecs.umich.edu default: 2697639Sgblack@eecs.umich.edu return new Unknown(machInst); 2707639Sgblack@eecs.umich.edu } 2717639Sgblack@eecs.umich.edu break; 2727639Sgblack@eecs.umich.edu case 2: 2737639Sgblack@eecs.umich.edu // Regs doesn't behave exactly as it does in the manual 2747639Sgblack@eecs.umich.edu // because they loop over regs registers twice and we break 2757639Sgblack@eecs.umich.edu // it down in the macroop. 2767639Sgblack@eecs.umich.edu switch (type) { 2777639Sgblack@eecs.umich.edu case 0x8: regs = 2; inc = 1; 2787639Sgblack@eecs.umich.edu break; 2797639Sgblack@eecs.umich.edu case 0x9: regs = 2; inc = 2; 2807639Sgblack@eecs.umich.edu break; 2817639Sgblack@eecs.umich.edu case 0x3: regs = 4; inc = 2; 2827639Sgblack@eecs.umich.edu break; 2837639Sgblack@eecs.umich.edu default: 2847639Sgblack@eecs.umich.edu return new Unknown(machInst); 2857639Sgblack@eecs.umich.edu } 2867639Sgblack@eecs.umich.edu break; 2877639Sgblack@eecs.umich.edu case 3: 2887639Sgblack@eecs.umich.edu regs = 3; 2897639Sgblack@eecs.umich.edu switch (type) { 2907639Sgblack@eecs.umich.edu case 0x4: inc = 1; 2917639Sgblack@eecs.umich.edu break; 2927639Sgblack@eecs.umich.edu case 0x5: inc = 2;; 2937639Sgblack@eecs.umich.edu break; 2947639Sgblack@eecs.umich.edu default: 2957639Sgblack@eecs.umich.edu return new Unknown(machInst); 2967639Sgblack@eecs.umich.edu } 2977639Sgblack@eecs.umich.edu break; 2987639Sgblack@eecs.umich.edu case 4: 2997639Sgblack@eecs.umich.edu regs = 4; 3007639Sgblack@eecs.umich.edu switch (type) { 3017639Sgblack@eecs.umich.edu case 0: inc = 1; 3027639Sgblack@eecs.umich.edu break; 3037639Sgblack@eecs.umich.edu case 1: inc = 2; 3047639Sgblack@eecs.umich.edu break; 3057639Sgblack@eecs.umich.edu default: 3067639Sgblack@eecs.umich.edu return new Unknown(machInst); 3077639Sgblack@eecs.umich.edu } 3087639Sgblack@eecs.umich.edu break; 3097639Sgblack@eecs.umich.edu } 3107639Sgblack@eecs.umich.edu } 3117639Sgblack@eecs.umich.edu 3127639Sgblack@eecs.umich.edu if (load) { 3137639Sgblack@eecs.umich.edu // Load instructions. 3147639Sgblack@eecs.umich.edu if (single) { 3157639Sgblack@eecs.umich.edu return new VldSingle(machInst, singleAll, width, rn, vd, 3167639Sgblack@eecs.umich.edu regs, inc, size, align, rm, lane); 3177639Sgblack@eecs.umich.edu } else { 3187639Sgblack@eecs.umich.edu return new VldMult(machInst, width, rn, vd, 3197639Sgblack@eecs.umich.edu regs, inc, size, align, rm); 3207639Sgblack@eecs.umich.edu } 3217435Sgblack@eecs.umich.edu } else { 3227435Sgblack@eecs.umich.edu // Store instructions. 3237639Sgblack@eecs.umich.edu if (single) { 3247639Sgblack@eecs.umich.edu if (singleAll) { 3257639Sgblack@eecs.umich.edu return new Unknown(machInst); 3267591SAli.Saidi@ARM.com } else { 3277639Sgblack@eecs.umich.edu return new VstSingle(machInst, false, width, rn, vd, 3287639Sgblack@eecs.umich.edu regs, inc, size, align, rm, lane); 3297435Sgblack@eecs.umich.edu } 3307435Sgblack@eecs.umich.edu } else { 3317639Sgblack@eecs.umich.edu return new VstMult(machInst, width, rn, vd, 3327639Sgblack@eecs.umich.edu regs, inc, size, align, rm); 3337435Sgblack@eecs.umich.edu } 3347435Sgblack@eecs.umich.edu } 3357591SAli.Saidi@ARM.com return new Unknown(machInst); 3367435Sgblack@eecs.umich.edu } 3377435Sgblack@eecs.umich.edu ''' 3387435Sgblack@eecs.umich.edu 3397435Sgblack@eecs.umich.edu decoder_output += ''' 3407435Sgblack@eecs.umich.edu static StaticInstPtr 3417435Sgblack@eecs.umich.edu decodeNeonThreeRegistersSameLength(ExtMachInst machInst) 3427435Sgblack@eecs.umich.edu { 3437435Sgblack@eecs.umich.edu const bool u = THUMB ? bits(machInst, 28) : bits(machInst, 24); 3447435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 11, 8); 3457435Sgblack@eecs.umich.edu const bool b = bits(machInst, 4); 3467435Sgblack@eecs.umich.edu const uint32_t c = bits(machInst, 21, 20); 3477639Sgblack@eecs.umich.edu const IntRegIndex vd = 3487639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 3497639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 3507639Sgblack@eecs.umich.edu const IntRegIndex vn = 3517639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 19, 16) | 3527639Sgblack@eecs.umich.edu (bits(machInst, 7) << 4))); 3537639Sgblack@eecs.umich.edu const IntRegIndex vm = 3547639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 3, 0) | 3557639Sgblack@eecs.umich.edu (bits(machInst, 5) << 4))); 3567639Sgblack@eecs.umich.edu const unsigned size = bits(machInst, 21, 20); 3577639Sgblack@eecs.umich.edu const bool q = bits(machInst, 6); 3587639Sgblack@eecs.umich.edu if (q && ((vd & 0x1) || (vn & 0x1) || (vm & 0x1))) 3597639Sgblack@eecs.umich.edu return new Unknown(machInst); 3607435Sgblack@eecs.umich.edu switch (a) { 3617435Sgblack@eecs.umich.edu case 0x0: 3627435Sgblack@eecs.umich.edu if (b) { 3637639Sgblack@eecs.umich.edu if (u) { 3647639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VqaddUD, VqaddUQ>( 3657639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 3667435Sgblack@eecs.umich.edu } else { 3677639Sgblack@eecs.umich.edu return decodeNeonSThreeReg<VqaddSD, VqaddSQ>( 3687639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 3697435Sgblack@eecs.umich.edu } 3707435Sgblack@eecs.umich.edu } else { 3717639Sgblack@eecs.umich.edu if (size == 3) 3727639Sgblack@eecs.umich.edu return new Unknown(machInst); 3737639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VhaddD, VhaddQ>( 3747639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 3757435Sgblack@eecs.umich.edu } 3767435Sgblack@eecs.umich.edu case 0x1: 3777435Sgblack@eecs.umich.edu if (!b) { 3787639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VrhaddD, VrhaddQ>( 3797639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 3807435Sgblack@eecs.umich.edu } else { 3817435Sgblack@eecs.umich.edu if (u) { 3827435Sgblack@eecs.umich.edu switch (c) { 3837435Sgblack@eecs.umich.edu case 0: 3847639Sgblack@eecs.umich.edu if (q) { 3857639Sgblack@eecs.umich.edu return new VeorQ<uint64_t>(machInst, vd, vn, vm); 3867639Sgblack@eecs.umich.edu } else { 3877639Sgblack@eecs.umich.edu return new VeorD<uint64_t>(machInst, vd, vn, vm); 3887639Sgblack@eecs.umich.edu } 3897435Sgblack@eecs.umich.edu case 1: 3907639Sgblack@eecs.umich.edu if (q) { 3917639Sgblack@eecs.umich.edu return new VbslQ<uint64_t>(machInst, vd, vn, vm); 3927639Sgblack@eecs.umich.edu } else { 3937639Sgblack@eecs.umich.edu return new VbslD<uint64_t>(machInst, vd, vn, vm); 3947639Sgblack@eecs.umich.edu } 3957435Sgblack@eecs.umich.edu case 2: 3967639Sgblack@eecs.umich.edu if (q) { 3977639Sgblack@eecs.umich.edu return new VbitQ<uint64_t>(machInst, vd, vn, vm); 3987639Sgblack@eecs.umich.edu } else { 3997639Sgblack@eecs.umich.edu return new VbitD<uint64_t>(machInst, vd, vn, vm); 4007639Sgblack@eecs.umich.edu } 4017435Sgblack@eecs.umich.edu case 3: 4027639Sgblack@eecs.umich.edu if (q) { 4037639Sgblack@eecs.umich.edu return new VbifQ<uint64_t>(machInst, vd, vn, vm); 4047639Sgblack@eecs.umich.edu } else { 4057639Sgblack@eecs.umich.edu return new VbifD<uint64_t>(machInst, vd, vn, vm); 4067639Sgblack@eecs.umich.edu } 4077435Sgblack@eecs.umich.edu } 4087435Sgblack@eecs.umich.edu } else { 4097435Sgblack@eecs.umich.edu switch (c) { 4107435Sgblack@eecs.umich.edu case 0: 4117639Sgblack@eecs.umich.edu if (q) { 4127639Sgblack@eecs.umich.edu return new VandQ<uint64_t>(machInst, vd, vn, vm); 4137639Sgblack@eecs.umich.edu } else { 4147639Sgblack@eecs.umich.edu return new VandD<uint64_t>(machInst, vd, vn, vm); 4157639Sgblack@eecs.umich.edu } 4167435Sgblack@eecs.umich.edu case 1: 4177639Sgblack@eecs.umich.edu if (q) { 4187639Sgblack@eecs.umich.edu return new VbicQ<uint64_t>(machInst, vd, vn, vm); 4197639Sgblack@eecs.umich.edu } else { 4207639Sgblack@eecs.umich.edu return new VbicD<uint64_t>(machInst, vd, vn, vm); 4217639Sgblack@eecs.umich.edu } 4227435Sgblack@eecs.umich.edu case 2: 4237639Sgblack@eecs.umich.edu if (vn == vm) { 4247639Sgblack@eecs.umich.edu if (q) { 4257639Sgblack@eecs.umich.edu return new VmovQ<uint64_t>( 4267639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4277435Sgblack@eecs.umich.edu } else { 4287639Sgblack@eecs.umich.edu return new VmovD<uint64_t>( 4297639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4307639Sgblack@eecs.umich.edu } 4317639Sgblack@eecs.umich.edu } else { 4327639Sgblack@eecs.umich.edu if (q) { 4337639Sgblack@eecs.umich.edu return new VorrQ<uint64_t>( 4347639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4357639Sgblack@eecs.umich.edu } else { 4367639Sgblack@eecs.umich.edu return new VorrD<uint64_t>( 4377639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4387435Sgblack@eecs.umich.edu } 4397435Sgblack@eecs.umich.edu } 4407435Sgblack@eecs.umich.edu case 3: 4417639Sgblack@eecs.umich.edu if (q) { 4427639Sgblack@eecs.umich.edu return new VornQ<uint64_t>( 4437639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4447639Sgblack@eecs.umich.edu } else { 4457639Sgblack@eecs.umich.edu return new VornD<uint64_t>( 4467639Sgblack@eecs.umich.edu machInst, vd, vn, vm); 4477639Sgblack@eecs.umich.edu } 4487435Sgblack@eecs.umich.edu } 4497435Sgblack@eecs.umich.edu } 4507435Sgblack@eecs.umich.edu } 4517435Sgblack@eecs.umich.edu case 0x2: 4527435Sgblack@eecs.umich.edu if (b) { 4537639Sgblack@eecs.umich.edu if (u) { 4547639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VqsubUD, VqsubUQ>( 4557639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 4567639Sgblack@eecs.umich.edu } else { 4577639Sgblack@eecs.umich.edu return decodeNeonSThreeReg<VqsubSD, VqsubSQ>( 4587639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 4597639Sgblack@eecs.umich.edu } 4607435Sgblack@eecs.umich.edu } else { 4617639Sgblack@eecs.umich.edu if (size == 3) 4627639Sgblack@eecs.umich.edu return new Unknown(machInst); 4637639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VhsubD, VhsubQ>( 4647639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 4657435Sgblack@eecs.umich.edu } 4667435Sgblack@eecs.umich.edu case 0x3: 4677435Sgblack@eecs.umich.edu if (b) { 4687639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VcgeD, VcgeQ>( 4697639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 4707435Sgblack@eecs.umich.edu } else { 4717639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VcgtD, VcgtQ>( 4727639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 4737435Sgblack@eecs.umich.edu } 4747435Sgblack@eecs.umich.edu case 0x4: 4757435Sgblack@eecs.umich.edu if (b) { 4767639Sgblack@eecs.umich.edu if (u) { 4777639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VqshlUD, VqshlUQ>( 4787639Sgblack@eecs.umich.edu q, size, machInst, vd, vm, vn); 4797639Sgblack@eecs.umich.edu } else { 4807639Sgblack@eecs.umich.edu return decodeNeonSThreeReg<VqshlSD, VqshlSQ>( 4817639Sgblack@eecs.umich.edu q, size, machInst, vd, vm, vn); 4827639Sgblack@eecs.umich.edu } 4837435Sgblack@eecs.umich.edu } else { 4847639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VshlD, VshlQ>( 4857639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vm, vn); 4867435Sgblack@eecs.umich.edu } 4877435Sgblack@eecs.umich.edu case 0x5: 4887435Sgblack@eecs.umich.edu if (b) { 4897639Sgblack@eecs.umich.edu if (u) { 4907639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VqrshlUD, VqrshlUQ>( 4917639Sgblack@eecs.umich.edu q, size, machInst, vd, vm, vn); 4927639Sgblack@eecs.umich.edu } else { 4937639Sgblack@eecs.umich.edu return decodeNeonSThreeReg<VqrshlSD, VqrshlSQ>( 4947639Sgblack@eecs.umich.edu q, size, machInst, vd, vm, vn); 4957639Sgblack@eecs.umich.edu } 4967435Sgblack@eecs.umich.edu } else { 4977639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VrshlD, VrshlQ>( 4987639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vm, vn); 4997435Sgblack@eecs.umich.edu } 5007435Sgblack@eecs.umich.edu case 0x6: 5017435Sgblack@eecs.umich.edu if (b) { 5027639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VminD, VminQ>( 5037639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5047435Sgblack@eecs.umich.edu } else { 5057639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VmaxD, VmaxQ>( 5067639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5077435Sgblack@eecs.umich.edu } 5087435Sgblack@eecs.umich.edu case 0x7: 5097435Sgblack@eecs.umich.edu if (b) { 5107639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VabaD, VabaQ>( 5117639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5127435Sgblack@eecs.umich.edu } else { 5137435Sgblack@eecs.umich.edu if (bits(machInst, 23) == 1) { 5147639Sgblack@eecs.umich.edu if (q) { 5157435Sgblack@eecs.umich.edu return new Unknown(machInst); 5167435Sgblack@eecs.umich.edu } else { 5177639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vabdl>( 5187639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 5197435Sgblack@eecs.umich.edu } 5207435Sgblack@eecs.umich.edu } else { 5217639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VabdD, VabdQ>( 5227639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5237435Sgblack@eecs.umich.edu } 5247435Sgblack@eecs.umich.edu } 5257435Sgblack@eecs.umich.edu case 0x8: 5267435Sgblack@eecs.umich.edu if (b) { 5277435Sgblack@eecs.umich.edu if (u) { 5287639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VceqD, VceqQ>( 5297639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5307435Sgblack@eecs.umich.edu } else { 5317639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<VtstD, VtstQ>( 5327639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5337435Sgblack@eecs.umich.edu } 5347435Sgblack@eecs.umich.edu } else { 5357435Sgblack@eecs.umich.edu if (u) { 5367639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<NVsubD, NVsubQ>( 5377639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5387435Sgblack@eecs.umich.edu } else { 5397639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<NVaddD, NVaddQ>( 5407639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5417435Sgblack@eecs.umich.edu } 5427435Sgblack@eecs.umich.edu } 5437435Sgblack@eecs.umich.edu case 0x9: 5447435Sgblack@eecs.umich.edu if (b) { 5457435Sgblack@eecs.umich.edu if (u) { 5467639Sgblack@eecs.umich.edu return decodeNeonUThreeReg<NVmulpD, NVmulpQ>( 5477639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5487435Sgblack@eecs.umich.edu } else { 5497639Sgblack@eecs.umich.edu return decodeNeonSThreeReg<NVmulD, NVmulQ>( 5507639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5517435Sgblack@eecs.umich.edu } 5527435Sgblack@eecs.umich.edu } else { 5537435Sgblack@eecs.umich.edu if (u) { 5547639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<NVmlsD, NVmlsQ>( 5557639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5567435Sgblack@eecs.umich.edu } else { 5577639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<NVmlaD, NVmlaQ>( 5587639Sgblack@eecs.umich.edu q, u, size, machInst, vd, vn, vm); 5597435Sgblack@eecs.umich.edu } 5607435Sgblack@eecs.umich.edu } 5617435Sgblack@eecs.umich.edu case 0xa: 5628607Sgblack@eecs.umich.edu if (q) 5638607Sgblack@eecs.umich.edu return new Unknown(machInst); 5647435Sgblack@eecs.umich.edu if (b) { 5658607Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<VpminD>( 5668607Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 5677435Sgblack@eecs.umich.edu } else { 5688607Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<VpmaxD>( 5698607Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 5707435Sgblack@eecs.umich.edu } 5717435Sgblack@eecs.umich.edu case 0xb: 5727435Sgblack@eecs.umich.edu if (b) { 5738607Sgblack@eecs.umich.edu if (u || q) { 5747435Sgblack@eecs.umich.edu return new Unknown(machInst); 5757435Sgblack@eecs.umich.edu } else { 5768607Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<NVpaddD>( 5778607Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 5787435Sgblack@eecs.umich.edu } 5797435Sgblack@eecs.umich.edu } else { 5807435Sgblack@eecs.umich.edu if (u) { 5817639Sgblack@eecs.umich.edu return decodeNeonSThreeSReg<VqrdmulhD, VqrdmulhQ>( 5827639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5837435Sgblack@eecs.umich.edu } else { 5847639Sgblack@eecs.umich.edu return decodeNeonSThreeSReg<VqdmulhD, VqdmulhQ>( 5857639Sgblack@eecs.umich.edu q, size, machInst, vd, vn, vm); 5867435Sgblack@eecs.umich.edu } 5877435Sgblack@eecs.umich.edu } 5887435Sgblack@eecs.umich.edu case 0xc: 58910037SARM gem5 Developers if (b) { 59010037SARM gem5 Developers if (!u) { 59110037SARM gem5 Developers if (bits(c, 1) == 0) { 59210037SARM gem5 Developers if (q) { 59310037SARM gem5 Developers return new NVfmaQFp<float>(machInst, vd, vn, vm); 59410037SARM gem5 Developers } else { 59510037SARM gem5 Developers return new NVfmaDFp<float>(machInst, vd, vn, vm); 59610037SARM gem5 Developers } 59710037SARM gem5 Developers } else { 59810037SARM gem5 Developers if (q) { 59910037SARM gem5 Developers return new NVfmsQFp<float>(machInst, vd, vn, vm); 60010037SARM gem5 Developers } else { 60110037SARM gem5 Developers return new NVfmsDFp<float>(machInst, vd, vn, vm); 60210037SARM gem5 Developers } 60310037SARM gem5 Developers } 60410037SARM gem5 Developers } 60510037SARM gem5 Developers } 6067435Sgblack@eecs.umich.edu return new Unknown(machInst); 6077435Sgblack@eecs.umich.edu case 0xd: 6087435Sgblack@eecs.umich.edu if (b) { 6097435Sgblack@eecs.umich.edu if (u) { 6107435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6117639Sgblack@eecs.umich.edu if (q) { 6127639Sgblack@eecs.umich.edu return new NVmulQFp<float>(machInst, vd, vn, vm); 6137639Sgblack@eecs.umich.edu } else { 6147639Sgblack@eecs.umich.edu return new NVmulDFp<float>(machInst, vd, vn, vm); 6157639Sgblack@eecs.umich.edu } 6167435Sgblack@eecs.umich.edu } else { 6177435Sgblack@eecs.umich.edu return new Unknown(machInst); 6187435Sgblack@eecs.umich.edu } 6197435Sgblack@eecs.umich.edu } else { 6207435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6217639Sgblack@eecs.umich.edu if (q) { 6227639Sgblack@eecs.umich.edu return new NVmlaQFp<float>(machInst, vd, vn, vm); 6237639Sgblack@eecs.umich.edu } else { 6247639Sgblack@eecs.umich.edu return new NVmlaDFp<float>(machInst, vd, vn, vm); 6257639Sgblack@eecs.umich.edu } 6267435Sgblack@eecs.umich.edu } else { 6277639Sgblack@eecs.umich.edu if (q) { 6287639Sgblack@eecs.umich.edu return new NVmlsQFp<float>(machInst, vd, vn, vm); 6297639Sgblack@eecs.umich.edu } else { 6307639Sgblack@eecs.umich.edu return new NVmlsDFp<float>(machInst, vd, vn, vm); 6317639Sgblack@eecs.umich.edu } 6327435Sgblack@eecs.umich.edu } 6337435Sgblack@eecs.umich.edu } 6347435Sgblack@eecs.umich.edu } else { 6357435Sgblack@eecs.umich.edu if (u) { 6367435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6377639Sgblack@eecs.umich.edu if (q) { 6387639Sgblack@eecs.umich.edu return new VpaddQFp<float>(machInst, vd, vn, vm); 6397639Sgblack@eecs.umich.edu } else { 6407639Sgblack@eecs.umich.edu return new VpaddDFp<float>(machInst, vd, vn, vm); 6417639Sgblack@eecs.umich.edu } 6427435Sgblack@eecs.umich.edu } else { 6437639Sgblack@eecs.umich.edu if (q) { 6447639Sgblack@eecs.umich.edu return new VabdQFp<float>(machInst, vd, vn, vm); 6457639Sgblack@eecs.umich.edu } else { 6467639Sgblack@eecs.umich.edu return new VabdDFp<float>(machInst, vd, vn, vm); 6477639Sgblack@eecs.umich.edu } 6487435Sgblack@eecs.umich.edu } 6497435Sgblack@eecs.umich.edu } else { 6507435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6517639Sgblack@eecs.umich.edu if (q) { 6527639Sgblack@eecs.umich.edu return new VaddQFp<float>(machInst, vd, vn, vm); 6537639Sgblack@eecs.umich.edu } else { 6547639Sgblack@eecs.umich.edu return new VaddDFp<float>(machInst, vd, vn, vm); 6557639Sgblack@eecs.umich.edu } 6567435Sgblack@eecs.umich.edu } else { 6577639Sgblack@eecs.umich.edu if (q) { 6587639Sgblack@eecs.umich.edu return new VsubQFp<float>(machInst, vd, vn, vm); 6597639Sgblack@eecs.umich.edu } else { 6607639Sgblack@eecs.umich.edu return new VsubDFp<float>(machInst, vd, vn, vm); 6617639Sgblack@eecs.umich.edu } 6627435Sgblack@eecs.umich.edu } 6637435Sgblack@eecs.umich.edu } 6647435Sgblack@eecs.umich.edu } 6657435Sgblack@eecs.umich.edu case 0xe: 6667435Sgblack@eecs.umich.edu if (b) { 6677435Sgblack@eecs.umich.edu if (u) { 6687435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6697639Sgblack@eecs.umich.edu if (q) { 6707639Sgblack@eecs.umich.edu return new VacgeQFp<float>(machInst, vd, vn, vm); 6717639Sgblack@eecs.umich.edu } else { 6727639Sgblack@eecs.umich.edu return new VacgeDFp<float>(machInst, vd, vn, vm); 6737639Sgblack@eecs.umich.edu } 6747435Sgblack@eecs.umich.edu } else { 6757639Sgblack@eecs.umich.edu if (q) { 6767639Sgblack@eecs.umich.edu return new VacgtQFp<float>(machInst, vd, vn, vm); 6777639Sgblack@eecs.umich.edu } else { 6787639Sgblack@eecs.umich.edu return new VacgtDFp<float>(machInst, vd, vn, vm); 6797639Sgblack@eecs.umich.edu } 6807435Sgblack@eecs.umich.edu } 6817435Sgblack@eecs.umich.edu } else { 6827435Sgblack@eecs.umich.edu return new Unknown(machInst); 6837435Sgblack@eecs.umich.edu } 6847435Sgblack@eecs.umich.edu } else { 6857435Sgblack@eecs.umich.edu if (u) { 6867435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 6877639Sgblack@eecs.umich.edu if (q) { 6887639Sgblack@eecs.umich.edu return new VcgeQFp<float>(machInst, vd, vn, vm); 6897639Sgblack@eecs.umich.edu } else { 6907639Sgblack@eecs.umich.edu return new VcgeDFp<float>(machInst, vd, vn, vm); 6917639Sgblack@eecs.umich.edu } 6927435Sgblack@eecs.umich.edu } else { 6937639Sgblack@eecs.umich.edu if (q) { 6947639Sgblack@eecs.umich.edu return new VcgtQFp<float>(machInst, vd, vn, vm); 6957639Sgblack@eecs.umich.edu } else { 6967639Sgblack@eecs.umich.edu return new VcgtDFp<float>(machInst, vd, vn, vm); 6977639Sgblack@eecs.umich.edu } 6987435Sgblack@eecs.umich.edu } 6997435Sgblack@eecs.umich.edu } else { 7007435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 7017639Sgblack@eecs.umich.edu if (q) { 7027639Sgblack@eecs.umich.edu return new VceqQFp<float>(machInst, vd, vn, vm); 7037639Sgblack@eecs.umich.edu } else { 7047639Sgblack@eecs.umich.edu return new VceqDFp<float>(machInst, vd, vn, vm); 7057639Sgblack@eecs.umich.edu } 7067435Sgblack@eecs.umich.edu } else { 7077435Sgblack@eecs.umich.edu return new Unknown(machInst); 7087435Sgblack@eecs.umich.edu } 7097435Sgblack@eecs.umich.edu } 7107435Sgblack@eecs.umich.edu } 7117435Sgblack@eecs.umich.edu case 0xf: 7127435Sgblack@eecs.umich.edu if (b) { 7137435Sgblack@eecs.umich.edu if (u) { 7147435Sgblack@eecs.umich.edu return new Unknown(machInst); 7157435Sgblack@eecs.umich.edu } else { 7167435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 7177639Sgblack@eecs.umich.edu if (q) { 7187639Sgblack@eecs.umich.edu return new VrecpsQFp<float>(machInst, vd, vn, vm); 7197639Sgblack@eecs.umich.edu } else { 7207639Sgblack@eecs.umich.edu return new VrecpsDFp<float>(machInst, vd, vn, vm); 7217639Sgblack@eecs.umich.edu } 7227435Sgblack@eecs.umich.edu } else { 7237639Sgblack@eecs.umich.edu if (q) { 7247639Sgblack@eecs.umich.edu return new VrsqrtsQFp<float>(machInst, vd, vn, vm); 7257639Sgblack@eecs.umich.edu } else { 7267639Sgblack@eecs.umich.edu return new VrsqrtsDFp<float>(machInst, vd, vn, vm); 7277639Sgblack@eecs.umich.edu } 7287435Sgblack@eecs.umich.edu } 7297435Sgblack@eecs.umich.edu } 7307435Sgblack@eecs.umich.edu } else { 7317435Sgblack@eecs.umich.edu if (u) { 7327435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 7337639Sgblack@eecs.umich.edu if (q) { 7347639Sgblack@eecs.umich.edu return new VpmaxQFp<float>(machInst, vd, vn, vm); 7357639Sgblack@eecs.umich.edu } else { 7367639Sgblack@eecs.umich.edu return new VpmaxDFp<float>(machInst, vd, vn, vm); 7377639Sgblack@eecs.umich.edu } 7387435Sgblack@eecs.umich.edu } else { 7397639Sgblack@eecs.umich.edu if (q) { 7407639Sgblack@eecs.umich.edu return new VpminQFp<float>(machInst, vd, vn, vm); 7417639Sgblack@eecs.umich.edu } else { 7427639Sgblack@eecs.umich.edu return new VpminDFp<float>(machInst, vd, vn, vm); 7437639Sgblack@eecs.umich.edu } 7447435Sgblack@eecs.umich.edu } 7457435Sgblack@eecs.umich.edu } else { 7467435Sgblack@eecs.umich.edu if (bits(c, 1) == 0) { 7477639Sgblack@eecs.umich.edu if (q) { 7487639Sgblack@eecs.umich.edu return new VmaxQFp<float>(machInst, vd, vn, vm); 7497639Sgblack@eecs.umich.edu } else { 7507639Sgblack@eecs.umich.edu return new VmaxDFp<float>(machInst, vd, vn, vm); 7517639Sgblack@eecs.umich.edu } 7527435Sgblack@eecs.umich.edu } else { 7537639Sgblack@eecs.umich.edu if (q) { 7547639Sgblack@eecs.umich.edu return new VminQFp<float>(machInst, vd, vn, vm); 7557639Sgblack@eecs.umich.edu } else { 7567639Sgblack@eecs.umich.edu return new VminDFp<float>(machInst, vd, vn, vm); 7577639Sgblack@eecs.umich.edu } 7587435Sgblack@eecs.umich.edu } 7597435Sgblack@eecs.umich.edu } 7607435Sgblack@eecs.umich.edu } 7617435Sgblack@eecs.umich.edu } 7627435Sgblack@eecs.umich.edu return new Unknown(machInst); 7637435Sgblack@eecs.umich.edu } 7647435Sgblack@eecs.umich.edu 7657435Sgblack@eecs.umich.edu static StaticInstPtr 7667435Sgblack@eecs.umich.edu decodeNeonOneRegModImm(ExtMachInst machInst) 7677435Sgblack@eecs.umich.edu { 7687639Sgblack@eecs.umich.edu const IntRegIndex vd = 7697639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 7707639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 7717639Sgblack@eecs.umich.edu const bool q = bits(machInst, 6); 7727435Sgblack@eecs.umich.edu const bool op = bits(machInst, 5); 7737639Sgblack@eecs.umich.edu const uint8_t cmode = bits(machInst, 11, 8); 7747639Sgblack@eecs.umich.edu const uint8_t imm = ((THUMB ? bits(machInst, 28) : 7757639Sgblack@eecs.umich.edu bits(machInst, 24)) << 7) | 7767639Sgblack@eecs.umich.edu (bits(machInst, 18, 16) << 4) | 7777639Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 0); 7787853SMatt.Horsnell@ARM.com 7797853SMatt.Horsnell@ARM.com // Check for invalid immediate encodings and return an unknown op 7807853SMatt.Horsnell@ARM.com // if it happens 7817853SMatt.Horsnell@ARM.com bool immValid = true; 7827853SMatt.Horsnell@ARM.com const uint64_t bigImm = simd_modified_imm(op, cmode, imm, immValid); 7837853SMatt.Horsnell@ARM.com if (!immValid) { 7847853SMatt.Horsnell@ARM.com return new Unknown(machInst); 7857853SMatt.Horsnell@ARM.com } 7867853SMatt.Horsnell@ARM.com 7877435Sgblack@eecs.umich.edu if (op) { 7887435Sgblack@eecs.umich.edu if (bits(cmode, 3) == 0) { 7897435Sgblack@eecs.umich.edu if (bits(cmode, 0) == 0) { 7907639Sgblack@eecs.umich.edu if (q) 7917639Sgblack@eecs.umich.edu return new NVmvniQ<uint64_t>(machInst, vd, bigImm); 7927639Sgblack@eecs.umich.edu else 7937639Sgblack@eecs.umich.edu return new NVmvniD<uint64_t>(machInst, vd, bigImm); 7947435Sgblack@eecs.umich.edu } else { 7957639Sgblack@eecs.umich.edu if (q) 7967639Sgblack@eecs.umich.edu return new NVbiciQ<uint64_t>(machInst, vd, bigImm); 7977639Sgblack@eecs.umich.edu else 7987639Sgblack@eecs.umich.edu return new NVbiciD<uint64_t>(machInst, vd, bigImm); 7997435Sgblack@eecs.umich.edu } 8007435Sgblack@eecs.umich.edu } else { 8017435Sgblack@eecs.umich.edu if (bits(cmode, 2) == 1) { 8027639Sgblack@eecs.umich.edu switch (bits(cmode, 1, 0)) { 8037639Sgblack@eecs.umich.edu case 0: 8047639Sgblack@eecs.umich.edu case 1: 8057639Sgblack@eecs.umich.edu if (q) 8067639Sgblack@eecs.umich.edu return new NVmvniQ<uint64_t>(machInst, vd, bigImm); 8077639Sgblack@eecs.umich.edu else 8087639Sgblack@eecs.umich.edu return new NVmvniD<uint64_t>(machInst, vd, bigImm); 8097639Sgblack@eecs.umich.edu case 2: 8107639Sgblack@eecs.umich.edu if (q) 8117639Sgblack@eecs.umich.edu return new NVmoviQ<uint64_t>(machInst, vd, bigImm); 8127639Sgblack@eecs.umich.edu else 8137639Sgblack@eecs.umich.edu return new NVmoviD<uint64_t>(machInst, vd, bigImm); 8147639Sgblack@eecs.umich.edu case 3: 8157639Sgblack@eecs.umich.edu if (q) 8167639Sgblack@eecs.umich.edu return new Unknown(machInst); 8177639Sgblack@eecs.umich.edu else 8187639Sgblack@eecs.umich.edu return new Unknown(machInst); 8197639Sgblack@eecs.umich.edu } 8207435Sgblack@eecs.umich.edu } else { 8217435Sgblack@eecs.umich.edu if (bits(cmode, 0) == 0) { 8227639Sgblack@eecs.umich.edu if (q) 8237639Sgblack@eecs.umich.edu return new NVmvniQ<uint64_t>(machInst, vd, bigImm); 8247639Sgblack@eecs.umich.edu else 8257639Sgblack@eecs.umich.edu return new NVmvniD<uint64_t>(machInst, vd, bigImm); 8267435Sgblack@eecs.umich.edu } else { 8277639Sgblack@eecs.umich.edu if (q) 8287639Sgblack@eecs.umich.edu return new NVbiciQ<uint64_t>(machInst, vd, bigImm); 8297639Sgblack@eecs.umich.edu else 8307639Sgblack@eecs.umich.edu return new NVbiciD<uint64_t>(machInst, vd, bigImm); 8317435Sgblack@eecs.umich.edu } 8327435Sgblack@eecs.umich.edu } 8337435Sgblack@eecs.umich.edu } 8347435Sgblack@eecs.umich.edu } else { 8357435Sgblack@eecs.umich.edu if (bits(cmode, 3) == 0) { 8367435Sgblack@eecs.umich.edu if (bits(cmode, 0) == 0) { 8377639Sgblack@eecs.umich.edu if (q) 8387639Sgblack@eecs.umich.edu return new NVmoviQ<uint64_t>(machInst, vd, bigImm); 8397639Sgblack@eecs.umich.edu else 8407639Sgblack@eecs.umich.edu return new NVmoviD<uint64_t>(machInst, vd, bigImm); 8417435Sgblack@eecs.umich.edu } else { 8427639Sgblack@eecs.umich.edu if (q) 8437639Sgblack@eecs.umich.edu return new NVorriQ<uint64_t>(machInst, vd, bigImm); 8447639Sgblack@eecs.umich.edu else 8457639Sgblack@eecs.umich.edu return new NVorriD<uint64_t>(machInst, vd, bigImm); 8467435Sgblack@eecs.umich.edu } 8477435Sgblack@eecs.umich.edu } else { 8487435Sgblack@eecs.umich.edu if (bits(cmode, 2) == 1) { 8497639Sgblack@eecs.umich.edu if (q) 8507639Sgblack@eecs.umich.edu return new NVmoviQ<uint64_t>(machInst, vd, bigImm); 8517639Sgblack@eecs.umich.edu else 8527639Sgblack@eecs.umich.edu return new NVmoviD<uint64_t>(machInst, vd, bigImm); 8537435Sgblack@eecs.umich.edu } else { 8547435Sgblack@eecs.umich.edu if (bits(cmode, 0) == 0) { 8557639Sgblack@eecs.umich.edu if (q) 8567639Sgblack@eecs.umich.edu return new NVmoviQ<uint64_t>(machInst, vd, bigImm); 8577639Sgblack@eecs.umich.edu else 8587639Sgblack@eecs.umich.edu return new NVmoviD<uint64_t>(machInst, vd, bigImm); 8597435Sgblack@eecs.umich.edu } else { 8607639Sgblack@eecs.umich.edu if (q) 8617639Sgblack@eecs.umich.edu return new NVorriQ<uint64_t>(machInst, vd, bigImm); 8627639Sgblack@eecs.umich.edu else 8637639Sgblack@eecs.umich.edu return new NVorriD<uint64_t>(machInst, vd, bigImm); 8647435Sgblack@eecs.umich.edu } 8657435Sgblack@eecs.umich.edu } 8667435Sgblack@eecs.umich.edu } 8677435Sgblack@eecs.umich.edu } 8687435Sgblack@eecs.umich.edu return new Unknown(machInst); 8697435Sgblack@eecs.umich.edu } 8707435Sgblack@eecs.umich.edu 8717435Sgblack@eecs.umich.edu static StaticInstPtr 8727435Sgblack@eecs.umich.edu decodeNeonTwoRegAndShift(ExtMachInst machInst) 8737435Sgblack@eecs.umich.edu { 8747435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 11, 8); 8757435Sgblack@eecs.umich.edu const bool u = THUMB ? bits(machInst, 28) : bits(machInst, 24); 8767435Sgblack@eecs.umich.edu const bool b = bits(machInst, 6); 8777435Sgblack@eecs.umich.edu const bool l = bits(machInst, 7); 8787639Sgblack@eecs.umich.edu const IntRegIndex vd = 8797639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 8807639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 8817639Sgblack@eecs.umich.edu const IntRegIndex vm = 8827639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 3, 0) | 8837639Sgblack@eecs.umich.edu (bits(machInst, 5) << 4))); 8847639Sgblack@eecs.umich.edu unsigned imm6 = bits(machInst, 21, 16); 8857639Sgblack@eecs.umich.edu unsigned imm = ((l ? 1 : 0) << 6) | imm6; 8867639Sgblack@eecs.umich.edu unsigned size = 3; 8877639Sgblack@eecs.umich.edu unsigned lShiftAmt = 0; 8887639Sgblack@eecs.umich.edu unsigned bitSel; 8897639Sgblack@eecs.umich.edu for (bitSel = 1 << 6; true; bitSel >>= 1) { 8907639Sgblack@eecs.umich.edu if (bitSel & imm) 8917639Sgblack@eecs.umich.edu break; 8927639Sgblack@eecs.umich.edu else if (!size) 8937639Sgblack@eecs.umich.edu return new Unknown(machInst); 8947639Sgblack@eecs.umich.edu size--; 8957639Sgblack@eecs.umich.edu } 8967639Sgblack@eecs.umich.edu lShiftAmt = imm6 & ~bitSel; 8977639Sgblack@eecs.umich.edu unsigned rShiftAmt = 0; 8987639Sgblack@eecs.umich.edu if (a != 0xe && a != 0xf) { 8997639Sgblack@eecs.umich.edu if (size > 2) 9007639Sgblack@eecs.umich.edu rShiftAmt = 64 - imm6; 9017639Sgblack@eecs.umich.edu else 9027639Sgblack@eecs.umich.edu rShiftAmt = 2 * (8 << size) - imm6; 9037639Sgblack@eecs.umich.edu } 9047435Sgblack@eecs.umich.edu 9057435Sgblack@eecs.umich.edu switch (a) { 9067435Sgblack@eecs.umich.edu case 0x0: 9077639Sgblack@eecs.umich.edu return decodeNeonUSTwoShiftReg<NVshrD, NVshrQ>( 9087639Sgblack@eecs.umich.edu b, u, size, machInst, vd, vm, rShiftAmt); 9097435Sgblack@eecs.umich.edu case 0x1: 9107639Sgblack@eecs.umich.edu return decodeNeonUSTwoShiftReg<NVsraD, NVsraQ>( 9117639Sgblack@eecs.umich.edu b, u, size, machInst, vd, vm, rShiftAmt); 9127435Sgblack@eecs.umich.edu case 0x2: 9137639Sgblack@eecs.umich.edu return decodeNeonUSTwoShiftReg<NVrshrD, NVrshrQ>( 9147639Sgblack@eecs.umich.edu b, u, size, machInst, vd, vm, rShiftAmt); 9157435Sgblack@eecs.umich.edu case 0x3: 9167639Sgblack@eecs.umich.edu return decodeNeonUSTwoShiftReg<NVrsraD, NVrsraQ>( 9177639Sgblack@eecs.umich.edu b, u, size, machInst, vd, vm, rShiftAmt); 9187435Sgblack@eecs.umich.edu case 0x4: 9197435Sgblack@eecs.umich.edu if (u) { 9207639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftReg<NVsriD, NVsriQ>( 9217639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, rShiftAmt); 9227435Sgblack@eecs.umich.edu } else { 9237435Sgblack@eecs.umich.edu return new Unknown(machInst); 9247435Sgblack@eecs.umich.edu } 9257435Sgblack@eecs.umich.edu case 0x5: 9267435Sgblack@eecs.umich.edu if (u) { 9277639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftReg<NVsliD, NVsliQ>( 9287639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, lShiftAmt); 9297435Sgblack@eecs.umich.edu } else { 9307639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftReg<NVshlD, NVshlQ>( 9317639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, lShiftAmt); 9327435Sgblack@eecs.umich.edu } 9337435Sgblack@eecs.umich.edu case 0x6: 9347435Sgblack@eecs.umich.edu case 0x7: 9357639Sgblack@eecs.umich.edu if (u) { 9367639Sgblack@eecs.umich.edu if (a == 0x6) { 9377639Sgblack@eecs.umich.edu return decodeNeonSTwoShiftReg<NVqshlusD, NVqshlusQ>( 9387639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, lShiftAmt); 9397639Sgblack@eecs.umich.edu } else { 9407639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftReg<NVqshluD, NVqshluQ>( 9417639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, lShiftAmt); 9427639Sgblack@eecs.umich.edu } 9437639Sgblack@eecs.umich.edu } else { 9447639Sgblack@eecs.umich.edu return decodeNeonSTwoShiftReg<NVqshlD, NVqshlQ>( 9457639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, lShiftAmt); 9467639Sgblack@eecs.umich.edu } 9477435Sgblack@eecs.umich.edu case 0x8: 9487435Sgblack@eecs.umich.edu if (l) { 9497435Sgblack@eecs.umich.edu return new Unknown(machInst); 9507435Sgblack@eecs.umich.edu } else if (u) { 9517639Sgblack@eecs.umich.edu return decodeNeonSTwoShiftSReg<NVqshruns, NVqrshruns>( 9527639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, rShiftAmt); 9537435Sgblack@eecs.umich.edu } else { 9547639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftSReg<NVshrn, NVrshrn>( 9557639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, rShiftAmt); 9567435Sgblack@eecs.umich.edu } 9577435Sgblack@eecs.umich.edu case 0x9: 9587435Sgblack@eecs.umich.edu if (l) { 9597435Sgblack@eecs.umich.edu return new Unknown(machInst); 9607639Sgblack@eecs.umich.edu } else if (u) { 9617639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftSReg<NVqshrun, NVqrshrun>( 9627639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, rShiftAmt); 9637435Sgblack@eecs.umich.edu } else { 9647639Sgblack@eecs.umich.edu return decodeNeonSTwoShiftSReg<NVqshrn, NVqrshrn>( 9657639Sgblack@eecs.umich.edu b, size, machInst, vd, vm, rShiftAmt); 9667435Sgblack@eecs.umich.edu } 9677435Sgblack@eecs.umich.edu case 0xa: 9687435Sgblack@eecs.umich.edu if (l || b) { 9697435Sgblack@eecs.umich.edu return new Unknown(machInst); 9707435Sgblack@eecs.umich.edu } else { 9717639Sgblack@eecs.umich.edu return decodeNeonUSTwoShiftSReg<NVmovl, NVshll>( 9727639Sgblack@eecs.umich.edu lShiftAmt, u, size, machInst, vd, vm, lShiftAmt); 9737435Sgblack@eecs.umich.edu } 9747435Sgblack@eecs.umich.edu case 0xe: 9757639Sgblack@eecs.umich.edu if (l) { 9767639Sgblack@eecs.umich.edu return new Unknown(machInst); 9777639Sgblack@eecs.umich.edu } else { 9787639Sgblack@eecs.umich.edu if (bits(imm6, 5) == 0) 9797639Sgblack@eecs.umich.edu return new Unknown(machInst); 9807639Sgblack@eecs.umich.edu if (u) { 9817639Sgblack@eecs.umich.edu if (b) { 9827639Sgblack@eecs.umich.edu return new NVcvtu2fpQ<float>( 9837639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 9847639Sgblack@eecs.umich.edu } else { 9857639Sgblack@eecs.umich.edu return new NVcvtu2fpD<float>( 9867639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 9877639Sgblack@eecs.umich.edu } 9887639Sgblack@eecs.umich.edu } else { 9897639Sgblack@eecs.umich.edu if (b) { 9907639Sgblack@eecs.umich.edu return new NVcvts2fpQ<float>( 9917639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 9927639Sgblack@eecs.umich.edu } else { 9937639Sgblack@eecs.umich.edu return new NVcvts2fpD<float>( 9947639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 9957639Sgblack@eecs.umich.edu } 9967639Sgblack@eecs.umich.edu } 9977639Sgblack@eecs.umich.edu } 9987435Sgblack@eecs.umich.edu case 0xf: 9997435Sgblack@eecs.umich.edu if (l) { 10007435Sgblack@eecs.umich.edu return new Unknown(machInst); 10017639Sgblack@eecs.umich.edu } else { 10027639Sgblack@eecs.umich.edu if (bits(imm6, 5) == 0) 10037639Sgblack@eecs.umich.edu return new Unknown(machInst); 10047639Sgblack@eecs.umich.edu if (u) { 10057639Sgblack@eecs.umich.edu if (b) { 10067639Sgblack@eecs.umich.edu return new NVcvt2ufxQ<float>( 10077639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 10087639Sgblack@eecs.umich.edu } else { 10097639Sgblack@eecs.umich.edu return new NVcvt2ufxD<float>( 10107639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 10117639Sgblack@eecs.umich.edu } 10127639Sgblack@eecs.umich.edu } else { 10137639Sgblack@eecs.umich.edu if (b) { 10147639Sgblack@eecs.umich.edu return new NVcvt2sfxQ<float>( 10157639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 10167639Sgblack@eecs.umich.edu } else { 10177639Sgblack@eecs.umich.edu return new NVcvt2sfxD<float>( 10187639Sgblack@eecs.umich.edu machInst, vd, vm, 64 - imm6); 10197639Sgblack@eecs.umich.edu } 10207639Sgblack@eecs.umich.edu } 10217435Sgblack@eecs.umich.edu } 10227435Sgblack@eecs.umich.edu } 10237435Sgblack@eecs.umich.edu return new Unknown(machInst); 10247435Sgblack@eecs.umich.edu } 10257435Sgblack@eecs.umich.edu 10267435Sgblack@eecs.umich.edu static StaticInstPtr 10277435Sgblack@eecs.umich.edu decodeNeonThreeRegDiffLengths(ExtMachInst machInst) 10287435Sgblack@eecs.umich.edu { 10297435Sgblack@eecs.umich.edu const bool u = THUMB ? bits(machInst, 28) : bits(machInst, 24); 10307435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 11, 8); 10317639Sgblack@eecs.umich.edu const IntRegIndex vd = 10327639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 10337639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 10347639Sgblack@eecs.umich.edu const IntRegIndex vn = 10357639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 19, 16) | 10367639Sgblack@eecs.umich.edu (bits(machInst, 7) << 4))); 10377639Sgblack@eecs.umich.edu const IntRegIndex vm = 10387639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 3, 0) | 10397639Sgblack@eecs.umich.edu (bits(machInst, 5) << 4))); 10407639Sgblack@eecs.umich.edu const unsigned size = bits(machInst, 21, 20); 10417435Sgblack@eecs.umich.edu switch (a) { 10427435Sgblack@eecs.umich.edu case 0x0: 10437639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vaddl>( 10447639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10457435Sgblack@eecs.umich.edu case 0x1: 10467639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vaddw>( 10477639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10487435Sgblack@eecs.umich.edu case 0x2: 10497639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vsubl>( 10507639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10517435Sgblack@eecs.umich.edu case 0x3: 10527639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vsubw>( 10537639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10547435Sgblack@eecs.umich.edu case 0x4: 10557435Sgblack@eecs.umich.edu if (u) { 10567639Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<Vraddhn>( 10577639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 10587435Sgblack@eecs.umich.edu } else { 10597639Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<Vaddhn>( 10607639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 10617435Sgblack@eecs.umich.edu } 10627435Sgblack@eecs.umich.edu case 0x5: 10637639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vabal>( 10647639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10657435Sgblack@eecs.umich.edu case 0x6: 10667435Sgblack@eecs.umich.edu if (u) { 10677639Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<Vrsubhn>( 10687639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 10697435Sgblack@eecs.umich.edu } else { 10707639Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<Vsubhn>( 10717639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 10727435Sgblack@eecs.umich.edu } 10737435Sgblack@eecs.umich.edu case 0x7: 10747435Sgblack@eecs.umich.edu if (bits(machInst, 23)) { 10757639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vabdl>( 10767639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10777435Sgblack@eecs.umich.edu } else { 10787639Sgblack@eecs.umich.edu return decodeNeonUSThreeReg<VabdD, VabdQ>( 10797639Sgblack@eecs.umich.edu bits(machInst, 6), u, size, machInst, vd, vn, vm); 10807435Sgblack@eecs.umich.edu } 10817435Sgblack@eecs.umich.edu case 0x8: 10827639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vmlal>( 10837639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10847435Sgblack@eecs.umich.edu case 0xa: 10857639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vmlsl>( 10867639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 10877435Sgblack@eecs.umich.edu case 0x9: 10887639Sgblack@eecs.umich.edu if (u) { 10897639Sgblack@eecs.umich.edu return new Unknown(machInst); 10907435Sgblack@eecs.umich.edu } else { 10917639Sgblack@eecs.umich.edu return decodeNeonSThreeUSReg<Vqdmlal>( 10927639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 10937435Sgblack@eecs.umich.edu } 10947435Sgblack@eecs.umich.edu case 0xb: 10957639Sgblack@eecs.umich.edu if (u) { 10967435Sgblack@eecs.umich.edu return new Unknown(machInst); 10977435Sgblack@eecs.umich.edu } else { 10987639Sgblack@eecs.umich.edu return decodeNeonSThreeUSReg<Vqdmlsl>( 10997639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 11007435Sgblack@eecs.umich.edu } 11017435Sgblack@eecs.umich.edu case 0xc: 11027639Sgblack@eecs.umich.edu return decodeNeonUSThreeUSReg<Vmull>( 11037639Sgblack@eecs.umich.edu u, size, machInst, vd, vn, vm); 11047435Sgblack@eecs.umich.edu case 0xd: 11057639Sgblack@eecs.umich.edu if (u) { 11067435Sgblack@eecs.umich.edu return new Unknown(machInst); 11077435Sgblack@eecs.umich.edu } else { 11087639Sgblack@eecs.umich.edu return decodeNeonSThreeUSReg<Vqdmull>( 11097639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 11107435Sgblack@eecs.umich.edu } 11117435Sgblack@eecs.umich.edu case 0xe: 11127639Sgblack@eecs.umich.edu return decodeNeonUThreeUSReg<Vmullp>( 11137639Sgblack@eecs.umich.edu size, machInst, vd, vn, vm); 11147435Sgblack@eecs.umich.edu } 11157435Sgblack@eecs.umich.edu return new Unknown(machInst); 11167435Sgblack@eecs.umich.edu } 11177435Sgblack@eecs.umich.edu 11187435Sgblack@eecs.umich.edu static StaticInstPtr 11197435Sgblack@eecs.umich.edu decodeNeonTwoRegScalar(ExtMachInst machInst) 11207435Sgblack@eecs.umich.edu { 11217435Sgblack@eecs.umich.edu const bool u = THUMB ? bits(machInst, 28) : bits(machInst, 24); 11227435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 11, 8); 11237639Sgblack@eecs.umich.edu const unsigned size = bits(machInst, 21, 20); 11247639Sgblack@eecs.umich.edu const IntRegIndex vd = 11257639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 11267639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 11277639Sgblack@eecs.umich.edu const IntRegIndex vn = 11287639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 19, 16) | 11297639Sgblack@eecs.umich.edu (bits(machInst, 7) << 4))); 11307639Sgblack@eecs.umich.edu const IntRegIndex vm = (size == 2) ? 11317639Sgblack@eecs.umich.edu (IntRegIndex)(2 * bits(machInst, 3, 0)) : 11327639Sgblack@eecs.umich.edu (IntRegIndex)(2 * bits(machInst, 2, 0)); 11337639Sgblack@eecs.umich.edu const unsigned index = (size == 2) ? (unsigned)bits(machInst, 5) : 11347639Sgblack@eecs.umich.edu (bits(machInst, 3) | (bits(machInst, 5) << 1)); 11357435Sgblack@eecs.umich.edu switch (a) { 11367435Sgblack@eecs.umich.edu case 0x0: 11377639Sgblack@eecs.umich.edu if (u) { 11387639Sgblack@eecs.umich.edu switch (size) { 11397639Sgblack@eecs.umich.edu case 1: 11407639Sgblack@eecs.umich.edu return new VmlasQ<uint16_t>(machInst, vd, vn, vm, index); 11417639Sgblack@eecs.umich.edu case 2: 11427639Sgblack@eecs.umich.edu return new VmlasQ<uint32_t>(machInst, vd, vn, vm, index); 11437639Sgblack@eecs.umich.edu default: 11447639Sgblack@eecs.umich.edu return new Unknown(machInst); 11457639Sgblack@eecs.umich.edu } 11467639Sgblack@eecs.umich.edu } else { 11477639Sgblack@eecs.umich.edu switch (size) { 11487639Sgblack@eecs.umich.edu case 1: 11497639Sgblack@eecs.umich.edu return new VmlasD<uint16_t>(machInst, vd, vn, vm, index); 11507639Sgblack@eecs.umich.edu case 2: 11517639Sgblack@eecs.umich.edu return new VmlasD<uint32_t>(machInst, vd, vn, vm, index); 11527639Sgblack@eecs.umich.edu default: 11537639Sgblack@eecs.umich.edu return new Unknown(machInst); 11547639Sgblack@eecs.umich.edu } 11557639Sgblack@eecs.umich.edu } 11567435Sgblack@eecs.umich.edu case 0x1: 11577639Sgblack@eecs.umich.edu if (u) 11587639Sgblack@eecs.umich.edu return new VmlasQFp<float>(machInst, vd, vn, vm, index); 11597639Sgblack@eecs.umich.edu else 11607639Sgblack@eecs.umich.edu return new VmlasDFp<float>(machInst, vd, vn, vm, index); 11617435Sgblack@eecs.umich.edu case 0x4: 11627639Sgblack@eecs.umich.edu if (u) { 11637639Sgblack@eecs.umich.edu switch (size) { 11647639Sgblack@eecs.umich.edu case 1: 11657639Sgblack@eecs.umich.edu return new VmlssQ<uint16_t>(machInst, vd, vn, vm, index); 11667639Sgblack@eecs.umich.edu case 2: 11677639Sgblack@eecs.umich.edu return new VmlssQ<uint32_t>(machInst, vd, vn, vm, index); 11687639Sgblack@eecs.umich.edu default: 11697639Sgblack@eecs.umich.edu return new Unknown(machInst); 11707639Sgblack@eecs.umich.edu } 11717639Sgblack@eecs.umich.edu } else { 11727639Sgblack@eecs.umich.edu switch (size) { 11737639Sgblack@eecs.umich.edu case 1: 11747639Sgblack@eecs.umich.edu return new VmlssD<uint16_t>(machInst, vd, vn, vm, index); 11757639Sgblack@eecs.umich.edu case 2: 11767639Sgblack@eecs.umich.edu return new VmlssD<uint32_t>(machInst, vd, vn, vm, index); 11777639Sgblack@eecs.umich.edu default: 11787639Sgblack@eecs.umich.edu return new Unknown(machInst); 11797639Sgblack@eecs.umich.edu } 11807639Sgblack@eecs.umich.edu } 11817435Sgblack@eecs.umich.edu case 0x5: 11827639Sgblack@eecs.umich.edu if (u) 11837639Sgblack@eecs.umich.edu return new VmlssQFp<float>(machInst, vd, vn, vm, index); 11847639Sgblack@eecs.umich.edu else 11857639Sgblack@eecs.umich.edu return new VmlssDFp<float>(machInst, vd, vn, vm, index); 11867435Sgblack@eecs.umich.edu case 0x2: 11877639Sgblack@eecs.umich.edu if (u) { 11887639Sgblack@eecs.umich.edu switch (size) { 11897639Sgblack@eecs.umich.edu case 1: 11907639Sgblack@eecs.umich.edu return new Vmlals<uint16_t>(machInst, vd, vn, vm, index); 11917639Sgblack@eecs.umich.edu case 2: 11927639Sgblack@eecs.umich.edu return new Vmlals<uint32_t>(machInst, vd, vn, vm, index); 11937639Sgblack@eecs.umich.edu default: 11947639Sgblack@eecs.umich.edu return new Unknown(machInst); 11957639Sgblack@eecs.umich.edu } 11967639Sgblack@eecs.umich.edu } else { 11977639Sgblack@eecs.umich.edu switch (size) { 11987639Sgblack@eecs.umich.edu case 1: 11997639Sgblack@eecs.umich.edu return new Vmlals<int16_t>(machInst, vd, vn, vm, index); 12007639Sgblack@eecs.umich.edu case 2: 12017639Sgblack@eecs.umich.edu return new Vmlals<int32_t>(machInst, vd, vn, vm, index); 12027639Sgblack@eecs.umich.edu default: 12037639Sgblack@eecs.umich.edu return new Unknown(machInst); 12047639Sgblack@eecs.umich.edu } 12057639Sgblack@eecs.umich.edu } 12067435Sgblack@eecs.umich.edu case 0x6: 12077639Sgblack@eecs.umich.edu if (u) { 12087639Sgblack@eecs.umich.edu switch (size) { 12097639Sgblack@eecs.umich.edu case 1: 12107639Sgblack@eecs.umich.edu return new Vmlsls<uint16_t>(machInst, vd, vn, vm, index); 12117639Sgblack@eecs.umich.edu case 2: 12127639Sgblack@eecs.umich.edu return new Vmlsls<uint32_t>(machInst, vd, vn, vm, index); 12137639Sgblack@eecs.umich.edu default: 12147639Sgblack@eecs.umich.edu return new Unknown(machInst); 12157639Sgblack@eecs.umich.edu } 12167639Sgblack@eecs.umich.edu } else { 12177639Sgblack@eecs.umich.edu switch (size) { 12187639Sgblack@eecs.umich.edu case 1: 12197639Sgblack@eecs.umich.edu return new Vmlsls<int16_t>(machInst, vd, vn, vm, index); 12207639Sgblack@eecs.umich.edu case 2: 12217639Sgblack@eecs.umich.edu return new Vmlsls<int32_t>(machInst, vd, vn, vm, index); 12227639Sgblack@eecs.umich.edu default: 12237639Sgblack@eecs.umich.edu return new Unknown(machInst); 12247639Sgblack@eecs.umich.edu } 12257639Sgblack@eecs.umich.edu } 12267435Sgblack@eecs.umich.edu case 0x3: 12277435Sgblack@eecs.umich.edu if (u) { 12287435Sgblack@eecs.umich.edu return new Unknown(machInst); 12297435Sgblack@eecs.umich.edu } else { 12307639Sgblack@eecs.umich.edu switch (size) { 12317639Sgblack@eecs.umich.edu case 1: 12327639Sgblack@eecs.umich.edu return new Vqdmlals<int16_t>(machInst, vd, vn, vm, index); 12337639Sgblack@eecs.umich.edu case 2: 12347639Sgblack@eecs.umich.edu return new Vqdmlals<int32_t>(machInst, vd, vn, vm, index); 12357639Sgblack@eecs.umich.edu default: 12367639Sgblack@eecs.umich.edu return new Unknown(machInst); 12377639Sgblack@eecs.umich.edu } 12387435Sgblack@eecs.umich.edu } 12397435Sgblack@eecs.umich.edu case 0x7: 12407435Sgblack@eecs.umich.edu if (u) { 12417435Sgblack@eecs.umich.edu return new Unknown(machInst); 12427435Sgblack@eecs.umich.edu } else { 12437639Sgblack@eecs.umich.edu switch (size) { 12447639Sgblack@eecs.umich.edu case 1: 12457639Sgblack@eecs.umich.edu return new Vqdmlsls<int16_t>(machInst, vd, vn, vm, index); 12467639Sgblack@eecs.umich.edu case 2: 12477639Sgblack@eecs.umich.edu return new Vqdmlsls<int32_t>(machInst, vd, vn, vm, index); 12487639Sgblack@eecs.umich.edu default: 12497639Sgblack@eecs.umich.edu return new Unknown(machInst); 12507639Sgblack@eecs.umich.edu } 12517435Sgblack@eecs.umich.edu } 12527435Sgblack@eecs.umich.edu case 0x8: 12537639Sgblack@eecs.umich.edu if (u) { 12547639Sgblack@eecs.umich.edu switch (size) { 12557639Sgblack@eecs.umich.edu case 1: 12567639Sgblack@eecs.umich.edu return new VmulsQ<uint16_t>(machInst, vd, vn, vm, index); 12577639Sgblack@eecs.umich.edu case 2: 12587639Sgblack@eecs.umich.edu return new VmulsQ<uint32_t>(machInst, vd, vn, vm, index); 12597639Sgblack@eecs.umich.edu default: 12607639Sgblack@eecs.umich.edu return new Unknown(machInst); 12617639Sgblack@eecs.umich.edu } 12627639Sgblack@eecs.umich.edu } else { 12637639Sgblack@eecs.umich.edu switch (size) { 12647639Sgblack@eecs.umich.edu case 1: 12657639Sgblack@eecs.umich.edu return new VmulsD<uint16_t>(machInst, vd, vn, vm, index); 12667639Sgblack@eecs.umich.edu case 2: 12677639Sgblack@eecs.umich.edu return new VmulsD<uint32_t>(machInst, vd, vn, vm, index); 12687639Sgblack@eecs.umich.edu default: 12697639Sgblack@eecs.umich.edu return new Unknown(machInst); 12707639Sgblack@eecs.umich.edu } 12717639Sgblack@eecs.umich.edu } 12727435Sgblack@eecs.umich.edu case 0x9: 12737639Sgblack@eecs.umich.edu if (u) 12747639Sgblack@eecs.umich.edu return new VmulsQFp<float>(machInst, vd, vn, vm, index); 12757639Sgblack@eecs.umich.edu else 12767639Sgblack@eecs.umich.edu return new VmulsDFp<float>(machInst, vd, vn, vm, index); 12777435Sgblack@eecs.umich.edu case 0xa: 12787639Sgblack@eecs.umich.edu if (u) { 12797639Sgblack@eecs.umich.edu switch (size) { 12807639Sgblack@eecs.umich.edu case 1: 12817639Sgblack@eecs.umich.edu return new Vmulls<uint16_t>(machInst, vd, vn, vm, index); 12827639Sgblack@eecs.umich.edu case 2: 12837639Sgblack@eecs.umich.edu return new Vmulls<uint32_t>(machInst, vd, vn, vm, index); 12847639Sgblack@eecs.umich.edu default: 12857639Sgblack@eecs.umich.edu return new Unknown(machInst); 12867639Sgblack@eecs.umich.edu } 12877639Sgblack@eecs.umich.edu } else { 12887639Sgblack@eecs.umich.edu switch (size) { 12897639Sgblack@eecs.umich.edu case 1: 12907639Sgblack@eecs.umich.edu return new Vmulls<int16_t>(machInst, vd, vn, vm, index); 12917639Sgblack@eecs.umich.edu case 2: 12927639Sgblack@eecs.umich.edu return new Vmulls<int32_t>(machInst, vd, vn, vm, index); 12937639Sgblack@eecs.umich.edu default: 12947639Sgblack@eecs.umich.edu return new Unknown(machInst); 12957639Sgblack@eecs.umich.edu } 12967639Sgblack@eecs.umich.edu } 12977435Sgblack@eecs.umich.edu case 0xb: 12987435Sgblack@eecs.umich.edu if (u) { 12997435Sgblack@eecs.umich.edu return new Unknown(machInst); 13007435Sgblack@eecs.umich.edu } else { 13017639Sgblack@eecs.umich.edu if (u) { 13027639Sgblack@eecs.umich.edu switch (size) { 13037639Sgblack@eecs.umich.edu case 1: 13047639Sgblack@eecs.umich.edu return new Vqdmulls<uint16_t>( 13057639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13067639Sgblack@eecs.umich.edu case 2: 13077639Sgblack@eecs.umich.edu return new Vqdmulls<uint32_t>( 13087639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13097639Sgblack@eecs.umich.edu default: 13107639Sgblack@eecs.umich.edu return new Unknown(machInst); 13117639Sgblack@eecs.umich.edu } 13127639Sgblack@eecs.umich.edu } else { 13137639Sgblack@eecs.umich.edu switch (size) { 13147639Sgblack@eecs.umich.edu case 1: 13157639Sgblack@eecs.umich.edu return new Vqdmulls<int16_t>( 13167639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13177639Sgblack@eecs.umich.edu case 2: 13187639Sgblack@eecs.umich.edu return new Vqdmulls<int32_t>( 13197639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13207639Sgblack@eecs.umich.edu default: 13217639Sgblack@eecs.umich.edu return new Unknown(machInst); 13227639Sgblack@eecs.umich.edu } 13237639Sgblack@eecs.umich.edu } 13247435Sgblack@eecs.umich.edu } 13257435Sgblack@eecs.umich.edu case 0xc: 13267639Sgblack@eecs.umich.edu if (u) { 13277639Sgblack@eecs.umich.edu switch (size) { 13287639Sgblack@eecs.umich.edu case 1: 13297639Sgblack@eecs.umich.edu return new VqdmulhsQ<int16_t>( 13307639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13317639Sgblack@eecs.umich.edu case 2: 13327639Sgblack@eecs.umich.edu return new VqdmulhsQ<int32_t>( 13337639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13347639Sgblack@eecs.umich.edu default: 13357639Sgblack@eecs.umich.edu return new Unknown(machInst); 13367639Sgblack@eecs.umich.edu } 13377639Sgblack@eecs.umich.edu } else { 13387639Sgblack@eecs.umich.edu switch (size) { 13397639Sgblack@eecs.umich.edu case 1: 13407639Sgblack@eecs.umich.edu return new VqdmulhsD<int16_t>( 13417639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13427639Sgblack@eecs.umich.edu case 2: 13437639Sgblack@eecs.umich.edu return new VqdmulhsD<int32_t>( 13447639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13457639Sgblack@eecs.umich.edu default: 13467639Sgblack@eecs.umich.edu return new Unknown(machInst); 13477639Sgblack@eecs.umich.edu } 13487639Sgblack@eecs.umich.edu } 13497435Sgblack@eecs.umich.edu case 0xd: 13507639Sgblack@eecs.umich.edu if (u) { 13517639Sgblack@eecs.umich.edu switch (size) { 13527639Sgblack@eecs.umich.edu case 1: 13537639Sgblack@eecs.umich.edu return new VqrdmulhsQ<int16_t>( 13547639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13557639Sgblack@eecs.umich.edu case 2: 13567639Sgblack@eecs.umich.edu return new VqrdmulhsQ<int32_t>( 13577639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13587639Sgblack@eecs.umich.edu default: 13597639Sgblack@eecs.umich.edu return new Unknown(machInst); 13607639Sgblack@eecs.umich.edu } 13617639Sgblack@eecs.umich.edu } else { 13627639Sgblack@eecs.umich.edu switch (size) { 13637639Sgblack@eecs.umich.edu case 1: 13647639Sgblack@eecs.umich.edu return new VqrdmulhsD<int16_t>( 13657639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13667639Sgblack@eecs.umich.edu case 2: 13677639Sgblack@eecs.umich.edu return new VqrdmulhsD<int32_t>( 13687639Sgblack@eecs.umich.edu machInst, vd, vn, vm, index); 13697639Sgblack@eecs.umich.edu default: 13707639Sgblack@eecs.umich.edu return new Unknown(machInst); 13717639Sgblack@eecs.umich.edu } 13727639Sgblack@eecs.umich.edu } 13737435Sgblack@eecs.umich.edu } 13747435Sgblack@eecs.umich.edu return new Unknown(machInst); 13757435Sgblack@eecs.umich.edu } 13767435Sgblack@eecs.umich.edu 13777435Sgblack@eecs.umich.edu static StaticInstPtr 13787435Sgblack@eecs.umich.edu decodeNeonTwoRegMisc(ExtMachInst machInst) 13797435Sgblack@eecs.umich.edu { 13807435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 17, 16); 13817435Sgblack@eecs.umich.edu const uint32_t b = bits(machInst, 10, 6); 13827639Sgblack@eecs.umich.edu const bool q = bits(machInst, 6); 13837639Sgblack@eecs.umich.edu const IntRegIndex vd = 13847639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 13857639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 13867639Sgblack@eecs.umich.edu const IntRegIndex vm = 13877639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 3, 0) | 13887639Sgblack@eecs.umich.edu (bits(machInst, 5) << 4))); 13897639Sgblack@eecs.umich.edu const unsigned size = bits(machInst, 19, 18); 13907435Sgblack@eecs.umich.edu switch (a) { 13917435Sgblack@eecs.umich.edu case 0x0: 13927435Sgblack@eecs.umich.edu switch (bits(b, 4, 1)) { 13937435Sgblack@eecs.umich.edu case 0x0: 13947639Sgblack@eecs.umich.edu switch (size) { 13957639Sgblack@eecs.umich.edu case 0: 13967639Sgblack@eecs.umich.edu if (q) { 13977639Sgblack@eecs.umich.edu return new NVrev64Q<uint8_t>(machInst, vd, vm); 13987639Sgblack@eecs.umich.edu } else { 13997639Sgblack@eecs.umich.edu return new NVrev64D<uint8_t>(machInst, vd, vm); 14007639Sgblack@eecs.umich.edu } 14017639Sgblack@eecs.umich.edu case 1: 14027639Sgblack@eecs.umich.edu if (q) { 14037639Sgblack@eecs.umich.edu return new NVrev64Q<uint16_t>(machInst, vd, vm); 14047639Sgblack@eecs.umich.edu } else { 14057639Sgblack@eecs.umich.edu return new NVrev64D<uint16_t>(machInst, vd, vm); 14067639Sgblack@eecs.umich.edu } 14077639Sgblack@eecs.umich.edu case 2: 14087639Sgblack@eecs.umich.edu if (q) { 14097639Sgblack@eecs.umich.edu return new NVrev64Q<uint32_t>(machInst, vd, vm); 14107639Sgblack@eecs.umich.edu } else { 14117639Sgblack@eecs.umich.edu return new NVrev64D<uint32_t>(machInst, vd, vm); 14127639Sgblack@eecs.umich.edu } 14137639Sgblack@eecs.umich.edu default: 14147639Sgblack@eecs.umich.edu return new Unknown(machInst); 14157639Sgblack@eecs.umich.edu } 14167435Sgblack@eecs.umich.edu case 0x1: 14177639Sgblack@eecs.umich.edu switch (size) { 14187639Sgblack@eecs.umich.edu case 0: 14197639Sgblack@eecs.umich.edu if (q) { 14207639Sgblack@eecs.umich.edu return new NVrev32Q<uint8_t>(machInst, vd, vm); 14217639Sgblack@eecs.umich.edu } else { 14227639Sgblack@eecs.umich.edu return new NVrev32D<uint8_t>(machInst, vd, vm); 14237639Sgblack@eecs.umich.edu } 14247639Sgblack@eecs.umich.edu case 1: 14257639Sgblack@eecs.umich.edu if (q) { 14267639Sgblack@eecs.umich.edu return new NVrev32Q<uint16_t>(machInst, vd, vm); 14277639Sgblack@eecs.umich.edu } else { 14287639Sgblack@eecs.umich.edu return new NVrev32D<uint16_t>(machInst, vd, vm); 14297639Sgblack@eecs.umich.edu } 14307639Sgblack@eecs.umich.edu default: 14317639Sgblack@eecs.umich.edu return new Unknown(machInst); 14327639Sgblack@eecs.umich.edu } 14337435Sgblack@eecs.umich.edu case 0x2: 14347639Sgblack@eecs.umich.edu if (size != 0) { 14357639Sgblack@eecs.umich.edu return new Unknown(machInst); 14367639Sgblack@eecs.umich.edu } else if (q) { 14377639Sgblack@eecs.umich.edu return new NVrev16Q<uint8_t>(machInst, vd, vm); 14387639Sgblack@eecs.umich.edu } else { 14397639Sgblack@eecs.umich.edu return new NVrev16D<uint8_t>(machInst, vd, vm); 14407639Sgblack@eecs.umich.edu } 14417435Sgblack@eecs.umich.edu case 0x4: 14427639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscSReg<NVpaddlD, NVpaddlQ>( 14437639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14447435Sgblack@eecs.umich.edu case 0x5: 14457639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscSReg<NVpaddlD, NVpaddlQ>( 14467639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14477435Sgblack@eecs.umich.edu case 0x8: 14487639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVclsD, NVclsQ>( 14497639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14507435Sgblack@eecs.umich.edu case 0x9: 14517639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVclzD, NVclzQ>( 14527639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14537435Sgblack@eecs.umich.edu case 0xa: 14547639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscReg<NVcntD, NVcntQ>( 14557639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14567435Sgblack@eecs.umich.edu case 0xb: 14577639Sgblack@eecs.umich.edu if (q) 14587639Sgblack@eecs.umich.edu return new NVmvnQ<uint64_t>(machInst, vd, vm); 14597639Sgblack@eecs.umich.edu else 14607639Sgblack@eecs.umich.edu return new NVmvnD<uint64_t>(machInst, vd, vm); 14617435Sgblack@eecs.umich.edu case 0xc: 14627639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscSReg<NVpadalD, NVpadalQ>( 14637639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14647435Sgblack@eecs.umich.edu case 0xd: 14657639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscSReg<NVpadalD, NVpadalQ>( 14667639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14677435Sgblack@eecs.umich.edu case 0xe: 14687639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVqabsD, NVqabsQ>( 14697639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14707435Sgblack@eecs.umich.edu case 0xf: 14717639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVqnegD, NVqnegQ>( 14727639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14737435Sgblack@eecs.umich.edu default: 14747435Sgblack@eecs.umich.edu return new Unknown(machInst); 14757435Sgblack@eecs.umich.edu } 14767435Sgblack@eecs.umich.edu case 0x1: 14777435Sgblack@eecs.umich.edu switch (bits(b, 3, 1)) { 14787435Sgblack@eecs.umich.edu case 0x0: 14797639Sgblack@eecs.umich.edu if (bits(b, 4)) { 14807639Sgblack@eecs.umich.edu if (q) { 14817639Sgblack@eecs.umich.edu return new NVcgtQFp<float>(machInst, vd, vm); 14827639Sgblack@eecs.umich.edu } else { 14837639Sgblack@eecs.umich.edu return new NVcgtDFp<float>(machInst, vd, vm); 14847639Sgblack@eecs.umich.edu } 14857639Sgblack@eecs.umich.edu } else { 14867639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVcgtD, NVcgtQ>( 14877639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14887639Sgblack@eecs.umich.edu } 14897435Sgblack@eecs.umich.edu case 0x1: 14907639Sgblack@eecs.umich.edu if (bits(b, 4)) { 14917639Sgblack@eecs.umich.edu if (q) { 14927639Sgblack@eecs.umich.edu return new NVcgeQFp<float>(machInst, vd, vm); 14937639Sgblack@eecs.umich.edu } else { 14947639Sgblack@eecs.umich.edu return new NVcgeDFp<float>(machInst, vd, vm); 14957639Sgblack@eecs.umich.edu } 14967639Sgblack@eecs.umich.edu } else { 14977639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVcgeD, NVcgeQ>( 14987639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 14997639Sgblack@eecs.umich.edu } 15007435Sgblack@eecs.umich.edu case 0x2: 15017639Sgblack@eecs.umich.edu if (bits(b, 4)) { 15027639Sgblack@eecs.umich.edu if (q) { 15037639Sgblack@eecs.umich.edu return new NVceqQFp<float>(machInst, vd, vm); 15047639Sgblack@eecs.umich.edu } else { 15057639Sgblack@eecs.umich.edu return new NVceqDFp<float>(machInst, vd, vm); 15067639Sgblack@eecs.umich.edu } 15077639Sgblack@eecs.umich.edu } else { 15087639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVceqD, NVceqQ>( 15097639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15107639Sgblack@eecs.umich.edu } 15117435Sgblack@eecs.umich.edu case 0x3: 15127639Sgblack@eecs.umich.edu if (bits(b, 4)) { 15137639Sgblack@eecs.umich.edu if (q) { 15147639Sgblack@eecs.umich.edu return new NVcleQFp<float>(machInst, vd, vm); 15157639Sgblack@eecs.umich.edu } else { 15167639Sgblack@eecs.umich.edu return new NVcleDFp<float>(machInst, vd, vm); 15177639Sgblack@eecs.umich.edu } 15187639Sgblack@eecs.umich.edu } else { 15197639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVcleD, NVcleQ>( 15207639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15217639Sgblack@eecs.umich.edu } 15227435Sgblack@eecs.umich.edu case 0x4: 15237639Sgblack@eecs.umich.edu if (bits(b, 4)) { 15247639Sgblack@eecs.umich.edu if (q) { 15257639Sgblack@eecs.umich.edu return new NVcltQFp<float>(machInst, vd, vm); 15267639Sgblack@eecs.umich.edu } else { 15277639Sgblack@eecs.umich.edu return new NVcltDFp<float>(machInst, vd, vm); 15287639Sgblack@eecs.umich.edu } 15297639Sgblack@eecs.umich.edu } else { 15307639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVcltD, NVcltQ>( 15317639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15327639Sgblack@eecs.umich.edu } 15337435Sgblack@eecs.umich.edu case 0x6: 15347639Sgblack@eecs.umich.edu if (bits(machInst, 10)) { 15357639Sgblack@eecs.umich.edu if (q) 15367639Sgblack@eecs.umich.edu return new NVabsQFp<float>(machInst, vd, vm); 15377639Sgblack@eecs.umich.edu else 15387639Sgblack@eecs.umich.edu return new NVabsDFp<float>(machInst, vd, vm); 15397639Sgblack@eecs.umich.edu } else { 15407639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVabsD, NVabsQ>( 15417639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15427639Sgblack@eecs.umich.edu } 15437435Sgblack@eecs.umich.edu case 0x7: 15447639Sgblack@eecs.umich.edu if (bits(machInst, 10)) { 15457639Sgblack@eecs.umich.edu if (q) 15467639Sgblack@eecs.umich.edu return new NVnegQFp<float>(machInst, vd, vm); 15477639Sgblack@eecs.umich.edu else 15487639Sgblack@eecs.umich.edu return new NVnegDFp<float>(machInst, vd, vm); 15497639Sgblack@eecs.umich.edu } else { 15507639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscReg<NVnegD, NVnegQ>( 15517639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15527639Sgblack@eecs.umich.edu } 15537435Sgblack@eecs.umich.edu } 15547435Sgblack@eecs.umich.edu case 0x2: 15557435Sgblack@eecs.umich.edu switch (bits(b, 4, 1)) { 15567435Sgblack@eecs.umich.edu case 0x0: 15577639Sgblack@eecs.umich.edu if (q) 15587639Sgblack@eecs.umich.edu return new NVswpQ<uint64_t>(machInst, vd, vm); 15597639Sgblack@eecs.umich.edu else 15607639Sgblack@eecs.umich.edu return new NVswpD<uint64_t>(machInst, vd, vm); 15617435Sgblack@eecs.umich.edu case 0x1: 15628607Sgblack@eecs.umich.edu return decodeNeonUTwoMiscSReg<NVtrnD, NVtrnQ>( 15637639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15647435Sgblack@eecs.umich.edu case 0x2: 15657639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscReg<NVuzpD, NVuzpQ>( 15667639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15677435Sgblack@eecs.umich.edu case 0x3: 15687639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscReg<NVzipD, NVzipQ>( 15697639Sgblack@eecs.umich.edu q, size, machInst, vd, vm); 15707435Sgblack@eecs.umich.edu case 0x4: 15717435Sgblack@eecs.umich.edu if (b == 0x8) { 15727639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscUSReg<NVmovn>( 15737639Sgblack@eecs.umich.edu size, machInst, vd, vm); 15747435Sgblack@eecs.umich.edu } else { 15757639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscUSReg<NVqmovuns>( 15767639Sgblack@eecs.umich.edu size, machInst, vd, vm); 15777435Sgblack@eecs.umich.edu } 15787435Sgblack@eecs.umich.edu case 0x5: 15797639Sgblack@eecs.umich.edu if (q) { 15807639Sgblack@eecs.umich.edu return decodeNeonUTwoMiscUSReg<NVqmovun>( 15817639Sgblack@eecs.umich.edu size, machInst, vd, vm); 15827639Sgblack@eecs.umich.edu } else { 15837639Sgblack@eecs.umich.edu return decodeNeonSTwoMiscUSReg<NVqmovn>( 15847639Sgblack@eecs.umich.edu size, machInst, vd, vm); 15857639Sgblack@eecs.umich.edu } 15867435Sgblack@eecs.umich.edu case 0x6: 15877435Sgblack@eecs.umich.edu if (b == 0xc) { 15887639Sgblack@eecs.umich.edu return decodeNeonSTwoShiftUSReg<NVshll>( 15897639Sgblack@eecs.umich.edu size, machInst, vd, vm, 8 << size); 15907435Sgblack@eecs.umich.edu } else { 15917435Sgblack@eecs.umich.edu return new Unknown(machInst); 15927435Sgblack@eecs.umich.edu } 15937435Sgblack@eecs.umich.edu case 0xc: 15947435Sgblack@eecs.umich.edu case 0xe: 15957435Sgblack@eecs.umich.edu if (b == 0x18) { 15967639Sgblack@eecs.umich.edu if (size != 1 || (vm % 2)) 15977639Sgblack@eecs.umich.edu return new Unknown(machInst); 15987639Sgblack@eecs.umich.edu return new NVcvts2h<uint16_t>(machInst, vd, vm); 15997435Sgblack@eecs.umich.edu } else if (b == 0x1c) { 16007639Sgblack@eecs.umich.edu if (size != 1 || (vd % 2)) 16017639Sgblack@eecs.umich.edu return new Unknown(machInst); 16027639Sgblack@eecs.umich.edu return new NVcvth2s<uint16_t>(machInst, vd, vm); 16037435Sgblack@eecs.umich.edu } else { 16047435Sgblack@eecs.umich.edu return new Unknown(machInst); 16057435Sgblack@eecs.umich.edu } 16067435Sgblack@eecs.umich.edu default: 16077435Sgblack@eecs.umich.edu return new Unknown(machInst); 16087435Sgblack@eecs.umich.edu } 16097435Sgblack@eecs.umich.edu case 0x3: 16107435Sgblack@eecs.umich.edu if (bits(b, 4, 3) == 0x3) { 16117639Sgblack@eecs.umich.edu if ((q && (vd % 2 || vm % 2)) || size != 2) { 16127639Sgblack@eecs.umich.edu return new Unknown(machInst); 16137639Sgblack@eecs.umich.edu } else { 16147639Sgblack@eecs.umich.edu if (bits(b, 2)) { 16157639Sgblack@eecs.umich.edu if (bits(b, 1)) { 16167639Sgblack@eecs.umich.edu if (q) { 16177639Sgblack@eecs.umich.edu return new NVcvt2ufxQ<float>( 16187639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16197639Sgblack@eecs.umich.edu } else { 16207639Sgblack@eecs.umich.edu return new NVcvt2ufxD<float>( 16217639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16227639Sgblack@eecs.umich.edu } 16237639Sgblack@eecs.umich.edu } else { 16247639Sgblack@eecs.umich.edu if (q) { 16257639Sgblack@eecs.umich.edu return new NVcvt2sfxQ<float>( 16267639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16277639Sgblack@eecs.umich.edu } else { 16287639Sgblack@eecs.umich.edu return new NVcvt2sfxD<float>( 16297639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16307639Sgblack@eecs.umich.edu } 16317639Sgblack@eecs.umich.edu } 16327639Sgblack@eecs.umich.edu } else { 16337639Sgblack@eecs.umich.edu if (bits(b, 1)) { 16347639Sgblack@eecs.umich.edu if (q) { 16357639Sgblack@eecs.umich.edu return new NVcvtu2fpQ<float>( 16367639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16377639Sgblack@eecs.umich.edu } else { 16387639Sgblack@eecs.umich.edu return new NVcvtu2fpD<float>( 16397639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16407639Sgblack@eecs.umich.edu } 16417639Sgblack@eecs.umich.edu } else { 16427639Sgblack@eecs.umich.edu if (q) { 16437639Sgblack@eecs.umich.edu return new NVcvts2fpQ<float>( 16447639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16457639Sgblack@eecs.umich.edu } else { 16467639Sgblack@eecs.umich.edu return new NVcvts2fpD<float>( 16477639Sgblack@eecs.umich.edu machInst, vd, vm, 0); 16487639Sgblack@eecs.umich.edu } 16497639Sgblack@eecs.umich.edu } 16507639Sgblack@eecs.umich.edu } 16517639Sgblack@eecs.umich.edu } 16527435Sgblack@eecs.umich.edu } else if ((b & 0x1a) == 0x10) { 16537639Sgblack@eecs.umich.edu if (bits(b, 2)) { 16547639Sgblack@eecs.umich.edu if (q) { 16557639Sgblack@eecs.umich.edu return new NVrecpeQFp<float>(machInst, vd, vm); 16567639Sgblack@eecs.umich.edu } else { 16577639Sgblack@eecs.umich.edu return new NVrecpeDFp<float>(machInst, vd, vm); 16587639Sgblack@eecs.umich.edu } 16597639Sgblack@eecs.umich.edu } else { 16607639Sgblack@eecs.umich.edu if (q) { 16617639Sgblack@eecs.umich.edu return new NVrecpeQ<uint32_t>(machInst, vd, vm); 16627639Sgblack@eecs.umich.edu } else { 16637639Sgblack@eecs.umich.edu return new NVrecpeD<uint32_t>(machInst, vd, vm); 16647639Sgblack@eecs.umich.edu } 16657639Sgblack@eecs.umich.edu } 16667435Sgblack@eecs.umich.edu } else if ((b & 0x1a) == 0x12) { 16677639Sgblack@eecs.umich.edu if (bits(b, 2)) { 16687639Sgblack@eecs.umich.edu if (q) { 16697639Sgblack@eecs.umich.edu return new NVrsqrteQFp<float>(machInst, vd, vm); 16707639Sgblack@eecs.umich.edu } else { 16717639Sgblack@eecs.umich.edu return new NVrsqrteDFp<float>(machInst, vd, vm); 16727639Sgblack@eecs.umich.edu } 16737639Sgblack@eecs.umich.edu } else { 16747639Sgblack@eecs.umich.edu if (q) { 16757639Sgblack@eecs.umich.edu return new NVrsqrteQ<uint32_t>(machInst, vd, vm); 16767639Sgblack@eecs.umich.edu } else { 16777639Sgblack@eecs.umich.edu return new NVrsqrteD<uint32_t>(machInst, vd, vm); 16787639Sgblack@eecs.umich.edu } 16797639Sgblack@eecs.umich.edu } 16807435Sgblack@eecs.umich.edu } else { 16817435Sgblack@eecs.umich.edu return new Unknown(machInst); 16827435Sgblack@eecs.umich.edu } 16837435Sgblack@eecs.umich.edu } 16847435Sgblack@eecs.umich.edu return new Unknown(machInst); 16857435Sgblack@eecs.umich.edu } 16867435Sgblack@eecs.umich.edu 16877435Sgblack@eecs.umich.edu StaticInstPtr 16887435Sgblack@eecs.umich.edu decodeNeonData(ExtMachInst machInst) 16897435Sgblack@eecs.umich.edu { 16907435Sgblack@eecs.umich.edu const bool u = THUMB ? bits(machInst, 28) : bits(machInst, 24); 16917435Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 23, 19); 16927435Sgblack@eecs.umich.edu const uint32_t b = bits(machInst, 11, 8); 16937435Sgblack@eecs.umich.edu const uint32_t c = bits(machInst, 7, 4); 16947435Sgblack@eecs.umich.edu if (bits(a, 4) == 0) { 16957435Sgblack@eecs.umich.edu return decodeNeonThreeRegistersSameLength(machInst); 16967435Sgblack@eecs.umich.edu } else if ((c & 0x9) == 1) { 16977435Sgblack@eecs.umich.edu if ((a & 0x7) == 0) { 16987435Sgblack@eecs.umich.edu return decodeNeonOneRegModImm(machInst); 16997435Sgblack@eecs.umich.edu } else { 17007435Sgblack@eecs.umich.edu return decodeNeonTwoRegAndShift(machInst); 17017435Sgblack@eecs.umich.edu } 17027435Sgblack@eecs.umich.edu } else if ((c & 0x9) == 9) { 17037435Sgblack@eecs.umich.edu return decodeNeonTwoRegAndShift(machInst); 17047639Sgblack@eecs.umich.edu } else if (bits(a, 2, 1) != 0x3) { 17057639Sgblack@eecs.umich.edu if ((c & 0x5) == 0) { 17067435Sgblack@eecs.umich.edu return decodeNeonThreeRegDiffLengths(machInst); 17077639Sgblack@eecs.umich.edu } else if ((c & 0x5) == 4) { 17087435Sgblack@eecs.umich.edu return decodeNeonTwoRegScalar(machInst); 17097435Sgblack@eecs.umich.edu } 17107435Sgblack@eecs.umich.edu } else if ((a & 0x16) == 0x16) { 17117639Sgblack@eecs.umich.edu const IntRegIndex vd = 17127639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 15, 12) | 17137639Sgblack@eecs.umich.edu (bits(machInst, 22) << 4))); 17147639Sgblack@eecs.umich.edu const IntRegIndex vn = 17157639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 19, 16) | 17167639Sgblack@eecs.umich.edu (bits(machInst, 7) << 4))); 17177639Sgblack@eecs.umich.edu const IntRegIndex vm = 17187639Sgblack@eecs.umich.edu (IntRegIndex)(2 * (bits(machInst, 3, 0) | 17197639Sgblack@eecs.umich.edu (bits(machInst, 5) << 4))); 17207435Sgblack@eecs.umich.edu if (!u) { 17217435Sgblack@eecs.umich.edu if (bits(c, 0) == 0) { 17227639Sgblack@eecs.umich.edu unsigned imm4 = bits(machInst, 11, 8); 17237639Sgblack@eecs.umich.edu bool q = bits(machInst, 6); 17247639Sgblack@eecs.umich.edu if (imm4 >= 16 && !q) 17257639Sgblack@eecs.umich.edu return new Unknown(machInst); 17267639Sgblack@eecs.umich.edu if (q) { 17277639Sgblack@eecs.umich.edu return new NVextQ<uint8_t>(machInst, vd, vn, vm, imm4); 17287639Sgblack@eecs.umich.edu } else { 17297639Sgblack@eecs.umich.edu return new NVextD<uint8_t>(machInst, vd, vn, vm, imm4); 17307639Sgblack@eecs.umich.edu } 17317435Sgblack@eecs.umich.edu } 17327435Sgblack@eecs.umich.edu } else if (bits(b, 3) == 0 && bits(c, 0) == 0) { 17337435Sgblack@eecs.umich.edu return decodeNeonTwoRegMisc(machInst); 17347435Sgblack@eecs.umich.edu } else if (bits(b, 3, 2) == 0x2 && bits(c, 0) == 0) { 17357639Sgblack@eecs.umich.edu unsigned length = bits(machInst, 9, 8) + 1; 17367639Sgblack@eecs.umich.edu if ((uint32_t)vn / 2 + length > 32) 17377639Sgblack@eecs.umich.edu return new Unknown(machInst); 17387435Sgblack@eecs.umich.edu if (bits(machInst, 6) == 0) { 17397639Sgblack@eecs.umich.edu switch (length) { 17407639Sgblack@eecs.umich.edu case 1: 17417639Sgblack@eecs.umich.edu return new NVtbl1(machInst, vd, vn, vm); 17427639Sgblack@eecs.umich.edu case 2: 17437639Sgblack@eecs.umich.edu return new NVtbl2(machInst, vd, vn, vm); 17447639Sgblack@eecs.umich.edu case 3: 17457639Sgblack@eecs.umich.edu return new NVtbl3(machInst, vd, vn, vm); 17467639Sgblack@eecs.umich.edu case 4: 17477639Sgblack@eecs.umich.edu return new NVtbl4(machInst, vd, vn, vm); 17487639Sgblack@eecs.umich.edu } 17497435Sgblack@eecs.umich.edu } else { 17507639Sgblack@eecs.umich.edu switch (length) { 17517639Sgblack@eecs.umich.edu case 1: 17527639Sgblack@eecs.umich.edu return new NVtbx1(machInst, vd, vn, vm); 17537639Sgblack@eecs.umich.edu case 2: 17547639Sgblack@eecs.umich.edu return new NVtbx2(machInst, vd, vn, vm); 17557639Sgblack@eecs.umich.edu case 3: 17567639Sgblack@eecs.umich.edu return new NVtbx3(machInst, vd, vn, vm); 17577639Sgblack@eecs.umich.edu case 4: 17587639Sgblack@eecs.umich.edu return new NVtbx4(machInst, vd, vn, vm); 17597639Sgblack@eecs.umich.edu } 17607435Sgblack@eecs.umich.edu } 17617435Sgblack@eecs.umich.edu } else if (b == 0xc && (c & 0x9) == 0) { 17627639Sgblack@eecs.umich.edu unsigned imm4 = bits(machInst, 19, 16); 17637639Sgblack@eecs.umich.edu if (bits(imm4, 2, 0) == 0) 17647639Sgblack@eecs.umich.edu return new Unknown(machInst); 17657639Sgblack@eecs.umich.edu unsigned size = 0; 17667639Sgblack@eecs.umich.edu while ((imm4 & 0x1) == 0) { 17677639Sgblack@eecs.umich.edu size++; 17687639Sgblack@eecs.umich.edu imm4 >>= 1; 17697639Sgblack@eecs.umich.edu } 17707639Sgblack@eecs.umich.edu unsigned index = imm4 >> 1; 17717639Sgblack@eecs.umich.edu const bool q = bits(machInst, 6); 17727639Sgblack@eecs.umich.edu return decodeNeonUTwoShiftSReg<NVdupD, NVdupQ>( 17737639Sgblack@eecs.umich.edu q, size, machInst, vd, vm, index); 17747435Sgblack@eecs.umich.edu } 17757435Sgblack@eecs.umich.edu } 17767435Sgblack@eecs.umich.edu return new Unknown(machInst); 17777435Sgblack@eecs.umich.edu } 17787435Sgblack@eecs.umich.edu ''' 17797435Sgblack@eecs.umich.edu}}; 17807435Sgblack@eecs.umich.edu 17817435Sgblack@eecs.umich.edudef format ThumbNeonMem() {{ 17827435Sgblack@eecs.umich.edu decode_block = ''' 17837435Sgblack@eecs.umich.edu return decodeNeonMem(machInst); 17847435Sgblack@eecs.umich.edu ''' 17857435Sgblack@eecs.umich.edu}}; 17867435Sgblack@eecs.umich.edu 17877435Sgblack@eecs.umich.edudef format ThumbNeonData() {{ 17887435Sgblack@eecs.umich.edu decode_block = ''' 17897639Sgblack@eecs.umich.edu return decodeNeonData(machInst); 17907435Sgblack@eecs.umich.edu ''' 17917435Sgblack@eecs.umich.edu}}; 17927435Sgblack@eecs.umich.edu 17937435Sgblack@eecs.umich.edulet {{ 17947435Sgblack@eecs.umich.edu header_output = ''' 17957435Sgblack@eecs.umich.edu StaticInstPtr 17967356Sgblack@eecs.umich.edu decodeExtensionRegLoadStore(ExtMachInst machInst); 17977356Sgblack@eecs.umich.edu ''' 17987356Sgblack@eecs.umich.edu decoder_output = ''' 17997356Sgblack@eecs.umich.edu StaticInstPtr 18007356Sgblack@eecs.umich.edu decodeExtensionRegLoadStore(ExtMachInst machInst) 18017178Sgblack@eecs.umich.edu { 18027178Sgblack@eecs.umich.edu const uint32_t opcode = bits(machInst, 24, 20); 18037178Sgblack@eecs.umich.edu const uint32_t offset = bits(machInst, 7, 0); 18047337Sgblack@eecs.umich.edu const bool single = (bits(machInst, 8) == 0); 18057178Sgblack@eecs.umich.edu const IntRegIndex rn = (IntRegIndex)(uint32_t)bits(machInst, 19, 16); 18067178Sgblack@eecs.umich.edu RegIndex vd; 18077178Sgblack@eecs.umich.edu if (single) { 18087178Sgblack@eecs.umich.edu vd = (RegIndex)(uint32_t)((bits(machInst, 15, 12) << 1) | 18097178Sgblack@eecs.umich.edu bits(machInst, 22)); 18107178Sgblack@eecs.umich.edu } else { 18117178Sgblack@eecs.umich.edu vd = (RegIndex)(uint32_t)((bits(machInst, 15, 12) << 1) | 18127178Sgblack@eecs.umich.edu (bits(machInst, 22) << 5)); 18137178Sgblack@eecs.umich.edu } 18147178Sgblack@eecs.umich.edu switch (bits(opcode, 4, 3)) { 18157178Sgblack@eecs.umich.edu case 0x0: 18167335Sgblack@eecs.umich.edu if (bits(opcode, 4, 1) == 0x2 && 18177335Sgblack@eecs.umich.edu !(machInst.thumb == 1 && bits(machInst, 28) == 1) && 18187335Sgblack@eecs.umich.edu !(machInst.thumb == 0 && machInst.condCode == 0xf)) { 18197335Sgblack@eecs.umich.edu if ((bits(machInst, 7, 4) & 0xd) != 1) { 18207335Sgblack@eecs.umich.edu break; 18217335Sgblack@eecs.umich.edu } 18227335Sgblack@eecs.umich.edu const IntRegIndex rt = 18237335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 18247335Sgblack@eecs.umich.edu const IntRegIndex rt2 = 18257335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 19, 16); 18267335Sgblack@eecs.umich.edu const bool op = bits(machInst, 20); 18277335Sgblack@eecs.umich.edu uint32_t vm; 18287337Sgblack@eecs.umich.edu if (single) { 18297335Sgblack@eecs.umich.edu vm = (bits(machInst, 3, 0) << 1) | bits(machInst, 5); 18307335Sgblack@eecs.umich.edu } else { 18317335Sgblack@eecs.umich.edu vm = (bits(machInst, 3, 0) << 1) | 18327335Sgblack@eecs.umich.edu (bits(machInst, 5) << 5); 18337335Sgblack@eecs.umich.edu } 18347335Sgblack@eecs.umich.edu if (op) { 18357335Sgblack@eecs.umich.edu return new Vmov2Core2Reg(machInst, rt, rt2, 18367335Sgblack@eecs.umich.edu (IntRegIndex)vm); 18377335Sgblack@eecs.umich.edu } else { 18387335Sgblack@eecs.umich.edu return new Vmov2Reg2Core(machInst, (IntRegIndex)vm, 18397335Sgblack@eecs.umich.edu rt, rt2); 18407335Sgblack@eecs.umich.edu } 18417178Sgblack@eecs.umich.edu } 18427178Sgblack@eecs.umich.edu break; 18437178Sgblack@eecs.umich.edu case 0x1: 18447413Sgblack@eecs.umich.edu { 184510037SARM gem5 Developers if (offset == 0 || vd + offset/2 > NumFloatV7ArchRegs) { 18467413Sgblack@eecs.umich.edu break; 18477413Sgblack@eecs.umich.edu } 18487413Sgblack@eecs.umich.edu switch (bits(opcode, 1, 0)) { 18497413Sgblack@eecs.umich.edu case 0x0: 18507413Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18517413Sgblack@eecs.umich.edu true, false, false, offset); 18527413Sgblack@eecs.umich.edu case 0x1: 18537413Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18547413Sgblack@eecs.umich.edu true, false, true, offset); 18557413Sgblack@eecs.umich.edu case 0x2: 18567413Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18577413Sgblack@eecs.umich.edu true, true, false, offset); 18587413Sgblack@eecs.umich.edu case 0x3: 18597413Sgblack@eecs.umich.edu // If rn == sp, then this is called vpop. 18607413Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18617413Sgblack@eecs.umich.edu true, true, true, offset); 18627413Sgblack@eecs.umich.edu } 18637178Sgblack@eecs.umich.edu } 18647178Sgblack@eecs.umich.edu case 0x2: 18657178Sgblack@eecs.umich.edu if (bits(opcode, 1, 0) == 0x2) { 18667178Sgblack@eecs.umich.edu // If rn == sp, then this is called vpush. 18677178Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18687178Sgblack@eecs.umich.edu false, true, false, offset); 18697178Sgblack@eecs.umich.edu } else if (bits(opcode, 1, 0) == 0x3) { 18707178Sgblack@eecs.umich.edu return new VLdmStm(machInst, rn, vd, single, 18717178Sgblack@eecs.umich.edu false, true, true, offset); 18727178Sgblack@eecs.umich.edu } 18737178Sgblack@eecs.umich.edu // Fall through on purpose 18747178Sgblack@eecs.umich.edu case 0x3: 18757346Sgblack@eecs.umich.edu const bool up = (bits(machInst, 23) == 1); 18767346Sgblack@eecs.umich.edu const uint32_t imm = bits(machInst, 7, 0) << 2; 18777346Sgblack@eecs.umich.edu if (single) { 18787346Sgblack@eecs.umich.edu vd = (RegIndex)(uint32_t)((bits(machInst, 15, 12) << 1) | 18797346Sgblack@eecs.umich.edu (bits(machInst, 22))); 18807346Sgblack@eecs.umich.edu } else { 18817346Sgblack@eecs.umich.edu vd = (RegIndex)(uint32_t)((bits(machInst, 15, 12) << 1) | 18827346Sgblack@eecs.umich.edu (bits(machInst, 22) << 5)); 18837346Sgblack@eecs.umich.edu } 18847178Sgblack@eecs.umich.edu if (bits(opcode, 1, 0) == 0x0) { 18857346Sgblack@eecs.umich.edu if (single) { 18867346Sgblack@eecs.umich.edu if (up) { 18877346Sgblack@eecs.umich.edu return new %(vstr_us)s(machInst, vd, rn, up, imm); 18887346Sgblack@eecs.umich.edu } else { 18897346Sgblack@eecs.umich.edu return new %(vstr_s)s(machInst, vd, rn, up, imm); 18907346Sgblack@eecs.umich.edu } 18917346Sgblack@eecs.umich.edu } else { 18927346Sgblack@eecs.umich.edu if (up) { 18937346Sgblack@eecs.umich.edu return new %(vstr_ud)s(machInst, vd, vd + 1, 18947346Sgblack@eecs.umich.edu rn, up, imm); 18957346Sgblack@eecs.umich.edu } else { 18967346Sgblack@eecs.umich.edu return new %(vstr_d)s(machInst, vd, vd + 1, 18977346Sgblack@eecs.umich.edu rn, up, imm); 18987346Sgblack@eecs.umich.edu } 18997346Sgblack@eecs.umich.edu } 19007178Sgblack@eecs.umich.edu } else if (bits(opcode, 1, 0) == 0x1) { 19017337Sgblack@eecs.umich.edu if (single) { 19027337Sgblack@eecs.umich.edu if (up) { 19037337Sgblack@eecs.umich.edu return new %(vldr_us)s(machInst, vd, rn, up, imm); 19047337Sgblack@eecs.umich.edu } else { 19057337Sgblack@eecs.umich.edu return new %(vldr_s)s(machInst, vd, rn, up, imm); 19067337Sgblack@eecs.umich.edu } 19077337Sgblack@eecs.umich.edu } else { 19087337Sgblack@eecs.umich.edu if (up) { 19097337Sgblack@eecs.umich.edu return new %(vldr_ud)s(machInst, vd, vd + 1, 19107337Sgblack@eecs.umich.edu rn, up, imm); 19117337Sgblack@eecs.umich.edu } else { 19127337Sgblack@eecs.umich.edu return new %(vldr_d)s(machInst, vd, vd + 1, 19137337Sgblack@eecs.umich.edu rn, up, imm); 19147337Sgblack@eecs.umich.edu } 19157337Sgblack@eecs.umich.edu } 19167178Sgblack@eecs.umich.edu } 19177178Sgblack@eecs.umich.edu } 19187178Sgblack@eecs.umich.edu return new Unknown(machInst); 19197178Sgblack@eecs.umich.edu } 19207337Sgblack@eecs.umich.edu ''' % { 19217337Sgblack@eecs.umich.edu "vldr_us" : "VLDR_" + loadImmClassName(False, True, False), 19227337Sgblack@eecs.umich.edu "vldr_s" : "VLDR_" + loadImmClassName(False, False, False), 19237337Sgblack@eecs.umich.edu "vldr_ud" : "VLDR_" + loadDoubleImmClassName(False, True, False), 19247346Sgblack@eecs.umich.edu "vldr_d" : "VLDR_" + loadDoubleImmClassName(False, False, False), 19257346Sgblack@eecs.umich.edu "vstr_us" : "VSTR_" + storeImmClassName(False, True, False), 19267346Sgblack@eecs.umich.edu "vstr_s" : "VSTR_" + storeImmClassName(False, False, False), 19277346Sgblack@eecs.umich.edu "vstr_ud" : "VSTR_" + storeDoubleImmClassName(False, True, False), 19287346Sgblack@eecs.umich.edu "vstr_d" : "VSTR_" + storeDoubleImmClassName(False, False, False) 19297337Sgblack@eecs.umich.edu } 19307178Sgblack@eecs.umich.edu}}; 19317321Sgblack@eecs.umich.edu 19327356Sgblack@eecs.umich.edudef format ExtensionRegLoadStore() {{ 19337321Sgblack@eecs.umich.edu decode_block = ''' 19347356Sgblack@eecs.umich.edu return decodeExtensionRegLoadStore(machInst); 19357356Sgblack@eecs.umich.edu ''' 19367356Sgblack@eecs.umich.edu}}; 19377356Sgblack@eecs.umich.edu 19387356Sgblack@eecs.umich.edulet {{ 19397356Sgblack@eecs.umich.edu header_output = ''' 19407356Sgblack@eecs.umich.edu StaticInstPtr 19417356Sgblack@eecs.umich.edu decodeShortFpTransfer(ExtMachInst machInst); 19427356Sgblack@eecs.umich.edu ''' 19437356Sgblack@eecs.umich.edu decoder_output = ''' 19447356Sgblack@eecs.umich.edu StaticInstPtr 19457356Sgblack@eecs.umich.edu decodeShortFpTransfer(ExtMachInst machInst) 19467321Sgblack@eecs.umich.edu { 19477321Sgblack@eecs.umich.edu const uint32_t l = bits(machInst, 20); 19487321Sgblack@eecs.umich.edu const uint32_t c = bits(machInst, 8); 19497321Sgblack@eecs.umich.edu const uint32_t a = bits(machInst, 23, 21); 19507321Sgblack@eecs.umich.edu const uint32_t b = bits(machInst, 6, 5); 19517321Sgblack@eecs.umich.edu if ((machInst.thumb == 1 && bits(machInst, 28) == 1) || 19527321Sgblack@eecs.umich.edu (machInst.thumb == 0 && machInst.condCode == 0xf)) { 195311671Smitch.hayenga@arm.com // Determine if this is backported aarch64 FP instruction 195411671Smitch.hayenga@arm.com const bool b31_b24 = bits(machInst, 31, 24) == 0xFE; 195511671Smitch.hayenga@arm.com const bool b23 = bits(machInst, 23); 195611671Smitch.hayenga@arm.com const bool b21_b18 = bits(machInst, 21, 18) == 0xE; 195711671Smitch.hayenga@arm.com const bool b11_b9 = bits(machInst, 11, 9) == 0x5; 195811671Smitch.hayenga@arm.com const bool sz = bits(machInst, 8); 195911671Smitch.hayenga@arm.com const bool b7_b6 = bits(machInst, 7, 6) == 0x1; 196011671Smitch.hayenga@arm.com const bool b6 = bits(machInst, 6) == 0x0; 196111671Smitch.hayenga@arm.com const bool b4 = bits(machInst, 4) == 0x0; 196211671Smitch.hayenga@arm.com if (b31_b24 && b23 && b21_b18 && b11_b9 && b7_b6 && b4) { 196311671Smitch.hayenga@arm.com // VINT* Integer Rounding Instructon 196411671Smitch.hayenga@arm.com const uint32_t rm = bits(machInst, 17, 16); 196511671Smitch.hayenga@arm.com 196611671Smitch.hayenga@arm.com if (sz) { 196711671Smitch.hayenga@arm.com const IntRegIndex vd = 196811671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 22) << 5) | 196911671Smitch.hayenga@arm.com (bits(machInst, 15, 12) << 1)); 197011671Smitch.hayenga@arm.com const IntRegIndex vm = 197111671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 5) << 5) | 197211671Smitch.hayenga@arm.com (bits(machInst, 3, 0) << 1)); 197311671Smitch.hayenga@arm.com switch(rm) { 197411671Smitch.hayenga@arm.com case 0x0: 197511671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntAD>(machInst, vd, vm, 197611671Smitch.hayenga@arm.com true); 197711671Smitch.hayenga@arm.com case 0x1: 197811671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntND>(machInst, vd, vm, 197911671Smitch.hayenga@arm.com true); 198011671Smitch.hayenga@arm.com case 0x2: 198111671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntPD>(machInst, vd, vm, 198211671Smitch.hayenga@arm.com true); 198311671Smitch.hayenga@arm.com case 0x3: 198411671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntMD>(machInst, vd, vm, 198511671Smitch.hayenga@arm.com true); 198611671Smitch.hayenga@arm.com default: return new Unknown(machInst); 198711671Smitch.hayenga@arm.com } 198811671Smitch.hayenga@arm.com } else { 198911671Smitch.hayenga@arm.com const IntRegIndex vd = 199011671Smitch.hayenga@arm.com (IntRegIndex)(bits(machInst, 22) | 199111671Smitch.hayenga@arm.com (bits(machInst, 15, 12) << 1)); 199211671Smitch.hayenga@arm.com const IntRegIndex vm = 199311671Smitch.hayenga@arm.com (IntRegIndex)(bits(machInst, 5) | 199411671Smitch.hayenga@arm.com (bits(machInst, 3, 0) << 1)); 199511671Smitch.hayenga@arm.com switch(rm) { 199611671Smitch.hayenga@arm.com case 0x0: 199711671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntAS>(machInst, vd, vm, 199811671Smitch.hayenga@arm.com false); 199911671Smitch.hayenga@arm.com case 0x1: 200011671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntNS>(machInst, vd, vm, 200111671Smitch.hayenga@arm.com false); 200211671Smitch.hayenga@arm.com case 0x2: 200311671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntPS>(machInst, vd, vm, 200411671Smitch.hayenga@arm.com false); 200511671Smitch.hayenga@arm.com case 0x3: 200611671Smitch.hayenga@arm.com return decodeVfpRegRegOp<VRIntMS>(machInst, vd, vm, 200711671Smitch.hayenga@arm.com false); 200811671Smitch.hayenga@arm.com default: return new Unknown(machInst); 200911671Smitch.hayenga@arm.com } 201011671Smitch.hayenga@arm.com } 201111671Smitch.hayenga@arm.com } else if (b31_b24 && !b23 && b11_b9 && b6 && b4){ 201211671Smitch.hayenga@arm.com // VSEL* floating point conditional select 201311671Smitch.hayenga@arm.com 201411671Smitch.hayenga@arm.com ConditionCode cond; 201511671Smitch.hayenga@arm.com switch(bits(machInst, 21, 20)) { 201611671Smitch.hayenga@arm.com case 0x0: cond = COND_EQ; break; 201711671Smitch.hayenga@arm.com case 0x1: cond = COND_VS; break; 201811671Smitch.hayenga@arm.com case 0x2: cond = COND_GE; break; 201911671Smitch.hayenga@arm.com case 0x3: cond = COND_GT; break; 202011671Smitch.hayenga@arm.com } 202111671Smitch.hayenga@arm.com 202211671Smitch.hayenga@arm.com if (sz) { 202311671Smitch.hayenga@arm.com const IntRegIndex vd = 202411671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 22) << 5) | 202511671Smitch.hayenga@arm.com (bits(machInst, 15, 12) << 1)); 202611671Smitch.hayenga@arm.com const IntRegIndex vm = 202711671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 5) << 5) | 202811671Smitch.hayenga@arm.com (bits(machInst, 3, 0) << 1)); 202911671Smitch.hayenga@arm.com const IntRegIndex vn = 203011671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 7) << 5) | 203111671Smitch.hayenga@arm.com (bits(machInst, 19, 16) << 1)); 203211671Smitch.hayenga@arm.com return new VselD(machInst, vd, vn, vm, cond); 203311671Smitch.hayenga@arm.com } else { 203411671Smitch.hayenga@arm.com const IntRegIndex vd = 203511671Smitch.hayenga@arm.com (IntRegIndex)(bits(machInst, 22) | 203611671Smitch.hayenga@arm.com (bits(machInst, 15, 12) << 1)); 203711671Smitch.hayenga@arm.com const IntRegIndex vm = 203811671Smitch.hayenga@arm.com (IntRegIndex)(bits(machInst, 5) | 203911671Smitch.hayenga@arm.com (bits(machInst, 3, 0) << 1)); 204011671Smitch.hayenga@arm.com const IntRegIndex vn = 204111671Smitch.hayenga@arm.com (IntRegIndex)((bits(machInst, 19, 16) << 1) | 204211671Smitch.hayenga@arm.com bits(machInst, 7)); 204311671Smitch.hayenga@arm.com return new VselS(machInst, vd, vn, vm, cond); 204411671Smitch.hayenga@arm.com } 204511671Smitch.hayenga@arm.com } else { 204611671Smitch.hayenga@arm.com return new Unknown(machInst); 204711671Smitch.hayenga@arm.com } 20487321Sgblack@eecs.umich.edu } 20497321Sgblack@eecs.umich.edu if (l == 0 && c == 0) { 20507321Sgblack@eecs.umich.edu if (a == 0) { 20517335Sgblack@eecs.umich.edu const uint32_t vn = (bits(machInst, 19, 16) << 1) | 20527335Sgblack@eecs.umich.edu bits(machInst, 7); 20537335Sgblack@eecs.umich.edu const IntRegIndex rt = 20547335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 20557335Sgblack@eecs.umich.edu if (bits(machInst, 20) == 1) { 20567335Sgblack@eecs.umich.edu return new VmovRegCoreW(machInst, rt, (IntRegIndex)vn); 20577335Sgblack@eecs.umich.edu } else { 20587335Sgblack@eecs.umich.edu return new VmovCoreRegW(machInst, (IntRegIndex)vn, rt); 20597335Sgblack@eecs.umich.edu } 20607321Sgblack@eecs.umich.edu } else if (a == 0x7) { 20617323Sgblack@eecs.umich.edu const IntRegIndex rt = 20627323Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 206310037SARM gem5 Developers uint32_t reg = bits(machInst, 19, 16); 206410037SARM gem5 Developers uint32_t specReg; 206510037SARM gem5 Developers switch (reg) { 20667323Sgblack@eecs.umich.edu case 0: 20677323Sgblack@eecs.umich.edu specReg = MISCREG_FPSID; 20687323Sgblack@eecs.umich.edu break; 20697323Sgblack@eecs.umich.edu case 1: 20707323Sgblack@eecs.umich.edu specReg = MISCREG_FPSCR; 20717323Sgblack@eecs.umich.edu break; 20727394Sgblack@eecs.umich.edu case 6: 20737394Sgblack@eecs.umich.edu specReg = MISCREG_MVFR1; 20747394Sgblack@eecs.umich.edu break; 20757394Sgblack@eecs.umich.edu case 7: 20767394Sgblack@eecs.umich.edu specReg = MISCREG_MVFR0; 20777394Sgblack@eecs.umich.edu break; 20787323Sgblack@eecs.umich.edu case 8: 20797323Sgblack@eecs.umich.edu specReg = MISCREG_FPEXC; 20807323Sgblack@eecs.umich.edu break; 20817323Sgblack@eecs.umich.edu default: 20827323Sgblack@eecs.umich.edu return new Unknown(machInst); 20837323Sgblack@eecs.umich.edu } 20847643Sgblack@eecs.umich.edu if (specReg == MISCREG_FPSCR) { 20857643Sgblack@eecs.umich.edu return new VmsrFpscr(machInst, (IntRegIndex)specReg, rt); 20867643Sgblack@eecs.umich.edu } else { 208710037SARM gem5 Developers uint32_t iss = mcrMrcIssBuild(0, bits(machInst, 3, 0), rt, 208810037SARM gem5 Developers reg, a, bits(machInst, 7, 5)); 208910037SARM gem5 Developers return new Vmsr(machInst, (IntRegIndex)specReg, rt, iss); 20907643Sgblack@eecs.umich.edu } 20917321Sgblack@eecs.umich.edu } 20927321Sgblack@eecs.umich.edu } else if (l == 0 && c == 1) { 20937321Sgblack@eecs.umich.edu if (bits(a, 2) == 0) { 20947335Sgblack@eecs.umich.edu uint32_t vd = (bits(machInst, 7) << 5) | 20957335Sgblack@eecs.umich.edu (bits(machInst, 19, 16) << 1); 20967639Sgblack@eecs.umich.edu // Handle accessing each single precision half of the vector. 20977639Sgblack@eecs.umich.edu vd += bits(machInst, 21); 20987335Sgblack@eecs.umich.edu const IntRegIndex rt = 20997335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 21007335Sgblack@eecs.umich.edu if (bits(machInst, 22) == 1) { 21017639Sgblack@eecs.umich.edu return new VmovCoreRegB(machInst, (IntRegIndex)vd, 21027639Sgblack@eecs.umich.edu rt, bits(machInst, 6, 5)); 21037335Sgblack@eecs.umich.edu } else if (bits(machInst, 5) == 1) { 21047639Sgblack@eecs.umich.edu return new VmovCoreRegH(machInst, (IntRegIndex)vd, 21057639Sgblack@eecs.umich.edu rt, bits(machInst, 6)); 21067335Sgblack@eecs.umich.edu } else if (bits(machInst, 6) == 0) { 21077639Sgblack@eecs.umich.edu return new VmovCoreRegW(machInst, (IntRegIndex)vd, rt); 21087335Sgblack@eecs.umich.edu } else { 21097335Sgblack@eecs.umich.edu return new Unknown(machInst); 21107335Sgblack@eecs.umich.edu } 21117639Sgblack@eecs.umich.edu } else if (bits(b, 1) == 0) { 21127639Sgblack@eecs.umich.edu bool q = bits(machInst, 21); 21137639Sgblack@eecs.umich.edu unsigned be = (bits(machInst, 22) << 1) | (bits(machInst, 5)); 21147639Sgblack@eecs.umich.edu IntRegIndex vd = (IntRegIndex)(2 * (uint32_t) 21157639Sgblack@eecs.umich.edu (bits(machInst, 19, 16) | (bits(machInst, 7) << 4))); 21167639Sgblack@eecs.umich.edu IntRegIndex rt = (IntRegIndex)(uint32_t) 21177639Sgblack@eecs.umich.edu bits(machInst, 15, 12); 21187639Sgblack@eecs.umich.edu if (q) { 21197639Sgblack@eecs.umich.edu switch (be) { 21207639Sgblack@eecs.umich.edu case 0: 21217639Sgblack@eecs.umich.edu return new NVdupQGpr<uint32_t>(machInst, vd, rt); 21227639Sgblack@eecs.umich.edu case 1: 21237639Sgblack@eecs.umich.edu return new NVdupQGpr<uint16_t>(machInst, vd, rt); 21247639Sgblack@eecs.umich.edu case 2: 21257639Sgblack@eecs.umich.edu return new NVdupQGpr<uint8_t>(machInst, vd, rt); 21267639Sgblack@eecs.umich.edu case 3: 21277639Sgblack@eecs.umich.edu return new Unknown(machInst); 21287639Sgblack@eecs.umich.edu } 21297639Sgblack@eecs.umich.edu } else { 21307639Sgblack@eecs.umich.edu switch (be) { 21317639Sgblack@eecs.umich.edu case 0: 21327639Sgblack@eecs.umich.edu return new NVdupDGpr<uint32_t>(machInst, vd, rt); 21337639Sgblack@eecs.umich.edu case 1: 21347639Sgblack@eecs.umich.edu return new NVdupDGpr<uint16_t>(machInst, vd, rt); 21357639Sgblack@eecs.umich.edu case 2: 21367639Sgblack@eecs.umich.edu return new NVdupDGpr<uint8_t>(machInst, vd, rt); 21377639Sgblack@eecs.umich.edu case 3: 21387639Sgblack@eecs.umich.edu return new Unknown(machInst); 21397639Sgblack@eecs.umich.edu } 21407335Sgblack@eecs.umich.edu } 21417321Sgblack@eecs.umich.edu } 21427321Sgblack@eecs.umich.edu } else if (l == 1 && c == 0) { 21437321Sgblack@eecs.umich.edu if (a == 0) { 21447335Sgblack@eecs.umich.edu const uint32_t vn = (bits(machInst, 19, 16) << 1) | 21457335Sgblack@eecs.umich.edu bits(machInst, 7); 21467335Sgblack@eecs.umich.edu const IntRegIndex rt = 21477335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 21487335Sgblack@eecs.umich.edu if (bits(machInst, 20) == 1) { 21497335Sgblack@eecs.umich.edu return new VmovRegCoreW(machInst, rt, (IntRegIndex)vn); 21507335Sgblack@eecs.umich.edu } else { 21517335Sgblack@eecs.umich.edu return new VmovCoreRegW(machInst, (IntRegIndex)vn, rt); 21527335Sgblack@eecs.umich.edu } 21537321Sgblack@eecs.umich.edu } else if (a == 7) { 21547326Sgblack@eecs.umich.edu const IntRegIndex rt = 21557326Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 215610037SARM gem5 Developers uint32_t reg = bits(machInst, 19, 16); 215710037SARM gem5 Developers uint32_t specReg; 215810037SARM gem5 Developers switch (reg) { 21597326Sgblack@eecs.umich.edu case 0: 21607326Sgblack@eecs.umich.edu specReg = MISCREG_FPSID; 21617326Sgblack@eecs.umich.edu break; 21627326Sgblack@eecs.umich.edu case 1: 21637326Sgblack@eecs.umich.edu specReg = MISCREG_FPSCR; 21647326Sgblack@eecs.umich.edu break; 21657326Sgblack@eecs.umich.edu case 6: 21667326Sgblack@eecs.umich.edu specReg = MISCREG_MVFR1; 21677326Sgblack@eecs.umich.edu break; 21687326Sgblack@eecs.umich.edu case 7: 21697326Sgblack@eecs.umich.edu specReg = MISCREG_MVFR0; 21707326Sgblack@eecs.umich.edu break; 21717326Sgblack@eecs.umich.edu case 8: 21727326Sgblack@eecs.umich.edu specReg = MISCREG_FPEXC; 21737326Sgblack@eecs.umich.edu break; 21747326Sgblack@eecs.umich.edu default: 21757326Sgblack@eecs.umich.edu return new Unknown(machInst); 21767326Sgblack@eecs.umich.edu } 21777392Sgblack@eecs.umich.edu if (rt == 0xf) { 21787643Sgblack@eecs.umich.edu if (specReg == MISCREG_FPSCR) { 21798303SAli.Saidi@ARM.com return new VmrsApsrFpscr(machInst); 21807643Sgblack@eecs.umich.edu } else { 21818301SAli.Saidi@ARM.com return new Unknown(machInst); 21827643Sgblack@eecs.umich.edu } 21837643Sgblack@eecs.umich.edu } else if (specReg == MISCREG_FPSCR) { 21847643Sgblack@eecs.umich.edu return new VmrsFpscr(machInst, rt, (IntRegIndex)specReg); 21857392Sgblack@eecs.umich.edu } else { 218610037SARM gem5 Developers uint32_t iss = mcrMrcIssBuild(l, bits(machInst, 3, 0), rt, 218710037SARM gem5 Developers reg, a, bits(machInst, 7, 5)); 218810037SARM gem5 Developers return new Vmrs(machInst, rt, (IntRegIndex)specReg, iss); 21897392Sgblack@eecs.umich.edu } 21907321Sgblack@eecs.umich.edu } 21917321Sgblack@eecs.umich.edu } else { 21927335Sgblack@eecs.umich.edu uint32_t vd = (bits(machInst, 7) << 5) | 21937335Sgblack@eecs.umich.edu (bits(machInst, 19, 16) << 1); 21947639Sgblack@eecs.umich.edu // Handle indexing into each single precision half of the vector. 21957639Sgblack@eecs.umich.edu vd += bits(machInst, 21); 21967639Sgblack@eecs.umich.edu uint32_t index; 21977335Sgblack@eecs.umich.edu const IntRegIndex rt = 21987335Sgblack@eecs.umich.edu (IntRegIndex)(uint32_t)bits(machInst, 15, 12); 21997335Sgblack@eecs.umich.edu const bool u = (bits(machInst, 23) == 1); 22007335Sgblack@eecs.umich.edu if (bits(machInst, 22) == 1) { 22017639Sgblack@eecs.umich.edu index = bits(machInst, 6, 5); 22027335Sgblack@eecs.umich.edu if (u) { 22037335Sgblack@eecs.umich.edu return new VmovRegCoreUB(machInst, rt, 22047335Sgblack@eecs.umich.edu (IntRegIndex)vd, index); 22057335Sgblack@eecs.umich.edu } else { 22067335Sgblack@eecs.umich.edu return new VmovRegCoreSB(machInst, rt, 22077335Sgblack@eecs.umich.edu (IntRegIndex)vd, index); 22087335Sgblack@eecs.umich.edu } 22097639Sgblack@eecs.umich.edu } else if (bits(machInst, 5) == 1) { 22107639Sgblack@eecs.umich.edu index = bits(machInst, 6); 22117335Sgblack@eecs.umich.edu if (u) { 22127335Sgblack@eecs.umich.edu return new VmovRegCoreUH(machInst, rt, 22137335Sgblack@eecs.umich.edu (IntRegIndex)vd, index); 22147335Sgblack@eecs.umich.edu } else { 22157335Sgblack@eecs.umich.edu return new VmovRegCoreSH(machInst, rt, 22167335Sgblack@eecs.umich.edu (IntRegIndex)vd, index); 22177335Sgblack@eecs.umich.edu } 22187639Sgblack@eecs.umich.edu } else if (bits(machInst, 6) == 0 && !u) { 22197335Sgblack@eecs.umich.edu return new VmovRegCoreW(machInst, rt, (IntRegIndex)vd); 22207639Sgblack@eecs.umich.edu } else { 22217639Sgblack@eecs.umich.edu return new Unknown(machInst); 22227335Sgblack@eecs.umich.edu } 22237321Sgblack@eecs.umich.edu } 22247321Sgblack@eecs.umich.edu return new Unknown(machInst); 22257321Sgblack@eecs.umich.edu } 22267321Sgblack@eecs.umich.edu ''' 22277321Sgblack@eecs.umich.edu}}; 22287356Sgblack@eecs.umich.edu 22297356Sgblack@eecs.umich.edudef format ShortFpTransfer() {{ 22307356Sgblack@eecs.umich.edu decode_block = ''' 22317356Sgblack@eecs.umich.edu return decodeShortFpTransfer(machInst); 22327356Sgblack@eecs.umich.edu ''' 22337356Sgblack@eecs.umich.edu}}; 22347363Sgblack@eecs.umich.edu 22357363Sgblack@eecs.umich.edulet {{ 22367363Sgblack@eecs.umich.edu header_output = ''' 22377363Sgblack@eecs.umich.edu StaticInstPtr 22387363Sgblack@eecs.umich.edu decodeVfpData(ExtMachInst machInst); 22397363Sgblack@eecs.umich.edu ''' 22407363Sgblack@eecs.umich.edu decoder_output = ''' 22417363Sgblack@eecs.umich.edu StaticInstPtr 22427363Sgblack@eecs.umich.edu decodeVfpData(ExtMachInst machInst) 22437363Sgblack@eecs.umich.edu { 22447363Sgblack@eecs.umich.edu const uint32_t opc1 = bits(machInst, 23, 20); 22457363Sgblack@eecs.umich.edu const uint32_t opc2 = bits(machInst, 19, 16); 22467363Sgblack@eecs.umich.edu const uint32_t opc3 = bits(machInst, 7, 6); 22477363Sgblack@eecs.umich.edu //const uint32_t opc4 = bits(machInst, 3, 0); 22487372Sgblack@eecs.umich.edu const bool single = (bits(machInst, 8) == 0); 22497389Sgblack@eecs.umich.edu // Used to select between vcmp and vcmpe. 22507389Sgblack@eecs.umich.edu const bool e = (bits(machInst, 7) == 1); 22517372Sgblack@eecs.umich.edu IntRegIndex vd; 22527372Sgblack@eecs.umich.edu IntRegIndex vm; 22537372Sgblack@eecs.umich.edu IntRegIndex vn; 22547372Sgblack@eecs.umich.edu if (single) { 22557372Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 22567372Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 22577372Sgblack@eecs.umich.edu vm = (IntRegIndex)(bits(machInst, 5) | 22587372Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1)); 22597372Sgblack@eecs.umich.edu vn = (IntRegIndex)(bits(machInst, 7) | 22607372Sgblack@eecs.umich.edu (bits(machInst, 19, 16) << 1)); 22617372Sgblack@eecs.umich.edu } else { 22627372Sgblack@eecs.umich.edu vd = (IntRegIndex)((bits(machInst, 22) << 5) | 22637372Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 22647372Sgblack@eecs.umich.edu vm = (IntRegIndex)((bits(machInst, 5) << 5) | 22657372Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1)); 22667372Sgblack@eecs.umich.edu vn = (IntRegIndex)((bits(machInst, 7) << 5) | 22677372Sgblack@eecs.umich.edu (bits(machInst, 19, 16) << 1)); 22687372Sgblack@eecs.umich.edu } 22697363Sgblack@eecs.umich.edu switch (opc1 & 0xb /* 1011 */) { 22707363Sgblack@eecs.umich.edu case 0x0: 22717370Sgblack@eecs.umich.edu if (bits(machInst, 6) == 0) { 22727372Sgblack@eecs.umich.edu if (single) { 22737376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmlaS>( 22747376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 22757370Sgblack@eecs.umich.edu } else { 22767376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmlaD>( 22777376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 22787370Sgblack@eecs.umich.edu } 22797370Sgblack@eecs.umich.edu } else { 22807372Sgblack@eecs.umich.edu if (single) { 22817376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmlsS>( 22827376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 22837370Sgblack@eecs.umich.edu } else { 22847376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmlsD>( 22857376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 22867370Sgblack@eecs.umich.edu } 22877370Sgblack@eecs.umich.edu } 22887371Sgblack@eecs.umich.edu case 0x1: 22897371Sgblack@eecs.umich.edu if (bits(machInst, 6) == 1) { 22907372Sgblack@eecs.umich.edu if (single) { 22917376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmlaS>( 22927376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 22937371Sgblack@eecs.umich.edu } else { 22947376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmlaD>( 22957376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 22967371Sgblack@eecs.umich.edu } 22977371Sgblack@eecs.umich.edu } else { 22987372Sgblack@eecs.umich.edu if (single) { 22997376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmlsS>( 23007376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23017371Sgblack@eecs.umich.edu } else { 23027376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmlsD>( 23037376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23047371Sgblack@eecs.umich.edu } 23057371Sgblack@eecs.umich.edu } 23067363Sgblack@eecs.umich.edu case 0x2: 23077363Sgblack@eecs.umich.edu if ((opc3 & 0x1) == 0) { 23087372Sgblack@eecs.umich.edu if (single) { 23097376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmulS>( 23107376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23117364Sgblack@eecs.umich.edu } else { 23127376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VmulD>( 23137376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23147364Sgblack@eecs.umich.edu } 23157371Sgblack@eecs.umich.edu } else { 23167372Sgblack@eecs.umich.edu if (single) { 23177376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmulS>( 23187376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23197371Sgblack@eecs.umich.edu } else { 23207376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VnmulD>( 23217376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23227371Sgblack@eecs.umich.edu } 23237363Sgblack@eecs.umich.edu } 23247363Sgblack@eecs.umich.edu case 0x3: 23257363Sgblack@eecs.umich.edu if ((opc3 & 0x1) == 0) { 23267372Sgblack@eecs.umich.edu if (single) { 23277376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VaddS>( 23287376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23297367Sgblack@eecs.umich.edu } else { 23307376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VaddD>( 23317376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23327367Sgblack@eecs.umich.edu } 23337363Sgblack@eecs.umich.edu } else { 23347372Sgblack@eecs.umich.edu if (single) { 23357376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VsubS>( 23367376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23377368Sgblack@eecs.umich.edu } else { 23387376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VsubD>( 23397376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23407368Sgblack@eecs.umich.edu } 23417363Sgblack@eecs.umich.edu } 23427363Sgblack@eecs.umich.edu case 0x8: 23437363Sgblack@eecs.umich.edu if ((opc3 & 0x1) == 0) { 23447372Sgblack@eecs.umich.edu if (single) { 23457376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VdivS>( 23467376Sgblack@eecs.umich.edu machInst, vd, vn, vm, false); 23477369Sgblack@eecs.umich.edu } else { 23487376Sgblack@eecs.umich.edu return decodeVfpRegRegRegOp<VdivD>( 23497376Sgblack@eecs.umich.edu machInst, vd, vn, vm, true); 23507369Sgblack@eecs.umich.edu } 23517363Sgblack@eecs.umich.edu } 23527363Sgblack@eecs.umich.edu break; 235310037SARM gem5 Developers case 0x9: 235410037SARM gem5 Developers if ((opc3 & 0x1) == 0) { 235510037SARM gem5 Developers if (single) { 235610037SARM gem5 Developers return decodeVfpRegRegRegOp<VfnmaS>( 235710037SARM gem5 Developers machInst, vd, vn, vm, false); 235810037SARM gem5 Developers } else { 235910037SARM gem5 Developers return decodeVfpRegRegRegOp<VfnmaD>( 236010037SARM gem5 Developers machInst, vd, vn, vm, true); 236110037SARM gem5 Developers } 236210037SARM gem5 Developers } else { 236310037SARM gem5 Developers if (single) { 236410037SARM gem5 Developers return decodeVfpRegRegRegOp<VfnmsS>( 236510037SARM gem5 Developers machInst, vd, vn, vm, false); 236610037SARM gem5 Developers } else { 236710037SARM gem5 Developers return decodeVfpRegRegRegOp<VfnmsD>( 236810037SARM gem5 Developers machInst, vd, vn, vm, true); 236910037SARM gem5 Developers } 237010037SARM gem5 Developers } 237110037SARM gem5 Developers break; 237210037SARM gem5 Developers case 0xa: 237310037SARM gem5 Developers if ((opc3 & 0x1) == 0) { 237410037SARM gem5 Developers if (single) { 237510037SARM gem5 Developers return decodeVfpRegRegRegOp<VfmaS>( 237610037SARM gem5 Developers machInst, vd, vn, vm, false); 237710037SARM gem5 Developers } else { 237810037SARM gem5 Developers return decodeVfpRegRegRegOp<VfmaD>( 237910037SARM gem5 Developers machInst, vd, vn, vm, true); 238010037SARM gem5 Developers } 238110037SARM gem5 Developers } else { 238210037SARM gem5 Developers if (single) { 238310037SARM gem5 Developers return decodeVfpRegRegRegOp<VfmsS>( 238410037SARM gem5 Developers machInst, vd, vn, vm, false); 238510037SARM gem5 Developers } else { 238610037SARM gem5 Developers return decodeVfpRegRegRegOp<VfmsD>( 238710037SARM gem5 Developers machInst, vd, vn, vm, true); 238810037SARM gem5 Developers } 238910037SARM gem5 Developers } 239010037SARM gem5 Developers break; 23917363Sgblack@eecs.umich.edu case 0xb: 23927363Sgblack@eecs.umich.edu if ((opc3 & 0x1) == 0) { 23937363Sgblack@eecs.umich.edu const uint32_t baseImm = 23947363Sgblack@eecs.umich.edu bits(machInst, 3, 0) | (bits(machInst, 19, 16) << 4); 23957372Sgblack@eecs.umich.edu if (single) { 23967363Sgblack@eecs.umich.edu uint32_t imm = vfp_modified_imm(baseImm, false); 23977376Sgblack@eecs.umich.edu return decodeVfpRegImmOp<VmovImmS>( 23987376Sgblack@eecs.umich.edu machInst, vd, imm, false); 23997363Sgblack@eecs.umich.edu } else { 24007363Sgblack@eecs.umich.edu uint64_t imm = vfp_modified_imm(baseImm, true); 24017376Sgblack@eecs.umich.edu return decodeVfpRegImmOp<VmovImmD>( 24027376Sgblack@eecs.umich.edu machInst, vd, imm, true); 24037363Sgblack@eecs.umich.edu } 24047363Sgblack@eecs.umich.edu } 24057363Sgblack@eecs.umich.edu switch (opc2) { 24067363Sgblack@eecs.umich.edu case 0x0: 24077363Sgblack@eecs.umich.edu if (opc3 == 1) { 24087372Sgblack@eecs.umich.edu if (single) { 24097376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VmovRegS>( 24107376Sgblack@eecs.umich.edu machInst, vd, vm, false); 24117363Sgblack@eecs.umich.edu } else { 24127376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VmovRegD>( 24137376Sgblack@eecs.umich.edu machInst, vd, vm, true); 24147363Sgblack@eecs.umich.edu } 24157363Sgblack@eecs.umich.edu } else { 24167372Sgblack@eecs.umich.edu if (single) { 24177376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VabsS>( 24187376Sgblack@eecs.umich.edu machInst, vd, vm, false); 24197366Sgblack@eecs.umich.edu } else { 24207376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VabsD>( 24217376Sgblack@eecs.umich.edu machInst, vd, vm, true); 24227366Sgblack@eecs.umich.edu } 24237363Sgblack@eecs.umich.edu } 24247363Sgblack@eecs.umich.edu case 0x1: 24257363Sgblack@eecs.umich.edu if (opc3 == 1) { 24267372Sgblack@eecs.umich.edu if (single) { 24277376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VnegS>( 24287376Sgblack@eecs.umich.edu machInst, vd, vm, false); 24297365Sgblack@eecs.umich.edu } else { 24307376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VnegD>( 24317376Sgblack@eecs.umich.edu machInst, vd, vm, true); 24327365Sgblack@eecs.umich.edu } 24337363Sgblack@eecs.umich.edu } else { 24347372Sgblack@eecs.umich.edu if (single) { 24357376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VsqrtS>( 24367376Sgblack@eecs.umich.edu machInst, vd, vm, false); 24377369Sgblack@eecs.umich.edu } else { 24387376Sgblack@eecs.umich.edu return decodeVfpRegRegOp<VsqrtD>( 24397376Sgblack@eecs.umich.edu machInst, vd, vm, true); 24407369Sgblack@eecs.umich.edu } 24417363Sgblack@eecs.umich.edu } 24427363Sgblack@eecs.umich.edu case 0x2: 24437363Sgblack@eecs.umich.edu case 0x3: 24447398Sgblack@eecs.umich.edu { 24457398Sgblack@eecs.umich.edu const bool toHalf = bits(machInst, 16); 24467398Sgblack@eecs.umich.edu const bool top = bits(machInst, 7); 24477398Sgblack@eecs.umich.edu if (top) { 24487398Sgblack@eecs.umich.edu if (toHalf) { 24497398Sgblack@eecs.umich.edu return new VcvtFpSFpHT(machInst, vd, vm); 24507398Sgblack@eecs.umich.edu } else { 24517398Sgblack@eecs.umich.edu return new VcvtFpHTFpS(machInst, vd, vm); 24527398Sgblack@eecs.umich.edu } 24537398Sgblack@eecs.umich.edu } else { 24547398Sgblack@eecs.umich.edu if (toHalf) { 24557398Sgblack@eecs.umich.edu return new VcvtFpSFpHB(machInst, vd, vm); 24567398Sgblack@eecs.umich.edu } else { 24577398Sgblack@eecs.umich.edu return new VcvtFpHBFpS(machInst, vd, vm); 24587398Sgblack@eecs.umich.edu } 24597398Sgblack@eecs.umich.edu } 24607398Sgblack@eecs.umich.edu } 24617363Sgblack@eecs.umich.edu case 0x4: 24627377Sgblack@eecs.umich.edu if (single) { 24637389Sgblack@eecs.umich.edu if (e) { 24647389Sgblack@eecs.umich.edu return new VcmpeS(machInst, vd, vm); 24657389Sgblack@eecs.umich.edu } else { 24667389Sgblack@eecs.umich.edu return new VcmpS(machInst, vd, vm); 24677389Sgblack@eecs.umich.edu } 24687377Sgblack@eecs.umich.edu } else { 24697389Sgblack@eecs.umich.edu if (e) { 24707389Sgblack@eecs.umich.edu return new VcmpeD(machInst, vd, vm); 24717389Sgblack@eecs.umich.edu } else { 24727389Sgblack@eecs.umich.edu return new VcmpD(machInst, vd, vm); 24737389Sgblack@eecs.umich.edu } 24747377Sgblack@eecs.umich.edu } 24757363Sgblack@eecs.umich.edu case 0x5: 24767377Sgblack@eecs.umich.edu if (single) { 24777389Sgblack@eecs.umich.edu if (e) { 24787389Sgblack@eecs.umich.edu return new VcmpeZeroS(machInst, vd, 0); 24797389Sgblack@eecs.umich.edu } else { 24807389Sgblack@eecs.umich.edu return new VcmpZeroS(machInst, vd, 0); 24817389Sgblack@eecs.umich.edu } 24827377Sgblack@eecs.umich.edu } else { 24837389Sgblack@eecs.umich.edu if (e) { 24847389Sgblack@eecs.umich.edu return new VcmpeZeroD(machInst, vd, 0); 24857389Sgblack@eecs.umich.edu } else { 24867389Sgblack@eecs.umich.edu return new VcmpZeroD(machInst, vd, 0); 24877389Sgblack@eecs.umich.edu } 24887377Sgblack@eecs.umich.edu } 24897363Sgblack@eecs.umich.edu case 0x7: 24907363Sgblack@eecs.umich.edu if (opc3 == 0x3) { 24917374Sgblack@eecs.umich.edu if (single) { 24928270SAli.Saidi@ARM.com vd = (IntRegIndex)((bits(machInst, 22) << 5) | 24938270SAli.Saidi@ARM.com (bits(machInst, 15, 12) << 1)); 24947374Sgblack@eecs.umich.edu return new VcvtFpSFpD(machInst, vd, vm); 24957374Sgblack@eecs.umich.edu } else { 24967374Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 24977374Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 24987374Sgblack@eecs.umich.edu return new VcvtFpDFpS(machInst, vd, vm); 24997374Sgblack@eecs.umich.edu } 25007363Sgblack@eecs.umich.edu } 25017363Sgblack@eecs.umich.edu break; 25027363Sgblack@eecs.umich.edu case 0x8: 25037373Sgblack@eecs.umich.edu if (bits(machInst, 7) == 0) { 25047373Sgblack@eecs.umich.edu if (single) { 25057373Sgblack@eecs.umich.edu return new VcvtUIntFpS(machInst, vd, vm); 25067373Sgblack@eecs.umich.edu } else { 25077373Sgblack@eecs.umich.edu vm = (IntRegIndex)(bits(machInst, 5) | 25087373Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1)); 25097373Sgblack@eecs.umich.edu return new VcvtUIntFpD(machInst, vd, vm); 25107373Sgblack@eecs.umich.edu } 25117373Sgblack@eecs.umich.edu } else { 25127373Sgblack@eecs.umich.edu if (single) { 25137373Sgblack@eecs.umich.edu return new VcvtSIntFpS(machInst, vd, vm); 25147373Sgblack@eecs.umich.edu } else { 25157373Sgblack@eecs.umich.edu vm = (IntRegIndex)(bits(machInst, 5) | 25167373Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1)); 25177373Sgblack@eecs.umich.edu return new VcvtSIntFpD(machInst, vd, vm); 25187373Sgblack@eecs.umich.edu } 25197373Sgblack@eecs.umich.edu } 25207363Sgblack@eecs.umich.edu case 0xa: 25217379Sgblack@eecs.umich.edu { 25227379Sgblack@eecs.umich.edu const bool half = (bits(machInst, 7) == 0); 25237379Sgblack@eecs.umich.edu const uint32_t imm = bits(machInst, 5) | 25247379Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1); 25257379Sgblack@eecs.umich.edu const uint32_t size = 25267379Sgblack@eecs.umich.edu (bits(machInst, 7) == 0 ? 16 : 32) - imm; 25277379Sgblack@eecs.umich.edu if (single) { 25287379Sgblack@eecs.umich.edu if (half) { 25297379Sgblack@eecs.umich.edu return new VcvtSHFixedFpS(machInst, vd, vd, size); 25307379Sgblack@eecs.umich.edu } else { 25317379Sgblack@eecs.umich.edu return new VcvtSFixedFpS(machInst, vd, vd, size); 25327379Sgblack@eecs.umich.edu } 25337379Sgblack@eecs.umich.edu } else { 25347379Sgblack@eecs.umich.edu if (half) { 25357379Sgblack@eecs.umich.edu return new VcvtSHFixedFpD(machInst, vd, vd, size); 25367379Sgblack@eecs.umich.edu } else { 25377379Sgblack@eecs.umich.edu return new VcvtSFixedFpD(machInst, vd, vd, size); 25387379Sgblack@eecs.umich.edu } 25397379Sgblack@eecs.umich.edu } 25407379Sgblack@eecs.umich.edu } 25417363Sgblack@eecs.umich.edu case 0xb: 25427379Sgblack@eecs.umich.edu { 25437379Sgblack@eecs.umich.edu const bool half = (bits(machInst, 7) == 0); 25447379Sgblack@eecs.umich.edu const uint32_t imm = bits(machInst, 5) | 25457379Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1); 25467379Sgblack@eecs.umich.edu const uint32_t size = 25477379Sgblack@eecs.umich.edu (bits(machInst, 7) == 0 ? 16 : 32) - imm; 25487379Sgblack@eecs.umich.edu if (single) { 25497379Sgblack@eecs.umich.edu if (half) { 25507379Sgblack@eecs.umich.edu return new VcvtUHFixedFpS(machInst, vd, vd, size); 25517379Sgblack@eecs.umich.edu } else { 25527379Sgblack@eecs.umich.edu return new VcvtUFixedFpS(machInst, vd, vd, size); 25537379Sgblack@eecs.umich.edu } 25547379Sgblack@eecs.umich.edu } else { 25557379Sgblack@eecs.umich.edu if (half) { 25567379Sgblack@eecs.umich.edu return new VcvtUHFixedFpD(machInst, vd, vd, size); 25577379Sgblack@eecs.umich.edu } else { 25587379Sgblack@eecs.umich.edu return new VcvtUFixedFpD(machInst, vd, vd, size); 25597379Sgblack@eecs.umich.edu } 25607379Sgblack@eecs.umich.edu } 25617379Sgblack@eecs.umich.edu } 25627363Sgblack@eecs.umich.edu case 0xc: 25637380Sgblack@eecs.umich.edu if (bits(machInst, 7) == 0) { 25647380Sgblack@eecs.umich.edu if (single) { 25657380Sgblack@eecs.umich.edu return new VcvtFpUIntSR(machInst, vd, vm); 25667380Sgblack@eecs.umich.edu } else { 25677380Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 25687380Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 25697380Sgblack@eecs.umich.edu return new VcvtFpUIntDR(machInst, vd, vm); 25707380Sgblack@eecs.umich.edu } 25717373Sgblack@eecs.umich.edu } else { 25727380Sgblack@eecs.umich.edu if (single) { 25737380Sgblack@eecs.umich.edu return new VcvtFpUIntS(machInst, vd, vm); 25747380Sgblack@eecs.umich.edu } else { 25757380Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 25767380Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 25777380Sgblack@eecs.umich.edu return new VcvtFpUIntD(machInst, vd, vm); 25787380Sgblack@eecs.umich.edu } 25797373Sgblack@eecs.umich.edu } 25807363Sgblack@eecs.umich.edu case 0xd: 25817380Sgblack@eecs.umich.edu if (bits(machInst, 7) == 0) { 25827380Sgblack@eecs.umich.edu if (single) { 25837380Sgblack@eecs.umich.edu return new VcvtFpSIntSR(machInst, vd, vm); 25847380Sgblack@eecs.umich.edu } else { 25857380Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 25867380Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 25877380Sgblack@eecs.umich.edu return new VcvtFpSIntDR(machInst, vd, vm); 25887380Sgblack@eecs.umich.edu } 25897373Sgblack@eecs.umich.edu } else { 25907380Sgblack@eecs.umich.edu if (single) { 25917380Sgblack@eecs.umich.edu return new VcvtFpSIntS(machInst, vd, vm); 25927380Sgblack@eecs.umich.edu } else { 25937380Sgblack@eecs.umich.edu vd = (IntRegIndex)(bits(machInst, 22) | 25947380Sgblack@eecs.umich.edu (bits(machInst, 15, 12) << 1)); 25957380Sgblack@eecs.umich.edu return new VcvtFpSIntD(machInst, vd, vm); 25967380Sgblack@eecs.umich.edu } 25977373Sgblack@eecs.umich.edu } 25987363Sgblack@eecs.umich.edu case 0xe: 25997379Sgblack@eecs.umich.edu { 26007379Sgblack@eecs.umich.edu const bool half = (bits(machInst, 7) == 0); 26017379Sgblack@eecs.umich.edu const uint32_t imm = bits(machInst, 5) | 26027379Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1); 26037379Sgblack@eecs.umich.edu const uint32_t size = 26047379Sgblack@eecs.umich.edu (bits(machInst, 7) == 0 ? 16 : 32) - imm; 26057379Sgblack@eecs.umich.edu if (single) { 26067379Sgblack@eecs.umich.edu if (half) { 26077379Sgblack@eecs.umich.edu return new VcvtFpSHFixedS(machInst, vd, vd, size); 26087379Sgblack@eecs.umich.edu } else { 26097379Sgblack@eecs.umich.edu return new VcvtFpSFixedS(machInst, vd, vd, size); 26107379Sgblack@eecs.umich.edu } 26117379Sgblack@eecs.umich.edu } else { 26127379Sgblack@eecs.umich.edu if (half) { 26137379Sgblack@eecs.umich.edu return new VcvtFpSHFixedD(machInst, vd, vd, size); 26147379Sgblack@eecs.umich.edu } else { 26157379Sgblack@eecs.umich.edu return new VcvtFpSFixedD(machInst, vd, vd, size); 26167379Sgblack@eecs.umich.edu } 26177379Sgblack@eecs.umich.edu } 26187379Sgblack@eecs.umich.edu } 26197363Sgblack@eecs.umich.edu case 0xf: 26207379Sgblack@eecs.umich.edu { 26217379Sgblack@eecs.umich.edu const bool half = (bits(machInst, 7) == 0); 26227379Sgblack@eecs.umich.edu const uint32_t imm = bits(machInst, 5) | 26237379Sgblack@eecs.umich.edu (bits(machInst, 3, 0) << 1); 26247379Sgblack@eecs.umich.edu const uint32_t size = 26257379Sgblack@eecs.umich.edu (bits(machInst, 7) == 0 ? 16 : 32) - imm; 26267379Sgblack@eecs.umich.edu if (single) { 26277379Sgblack@eecs.umich.edu if (half) { 26287379Sgblack@eecs.umich.edu return new VcvtFpUHFixedS(machInst, vd, vd, size); 26297379Sgblack@eecs.umich.edu } else { 26307379Sgblack@eecs.umich.edu return new VcvtFpUFixedS(machInst, vd, vd, size); 26317379Sgblack@eecs.umich.edu } 26327379Sgblack@eecs.umich.edu } else { 26337379Sgblack@eecs.umich.edu if (half) { 26347379Sgblack@eecs.umich.edu return new VcvtFpUHFixedD(machInst, vd, vd, size); 26357379Sgblack@eecs.umich.edu } else { 26367379Sgblack@eecs.umich.edu return new VcvtFpUFixedD(machInst, vd, vd, size); 26377379Sgblack@eecs.umich.edu } 26387379Sgblack@eecs.umich.edu } 26397379Sgblack@eecs.umich.edu } 26407363Sgblack@eecs.umich.edu } 26417363Sgblack@eecs.umich.edu break; 26427363Sgblack@eecs.umich.edu } 26437363Sgblack@eecs.umich.edu return new Unknown(machInst); 26447363Sgblack@eecs.umich.edu } 26457363Sgblack@eecs.umich.edu ''' 26467363Sgblack@eecs.umich.edu}}; 26477363Sgblack@eecs.umich.edu 26487363Sgblack@eecs.umich.edudef format VfpData() {{ 26497363Sgblack@eecs.umich.edu decode_block = ''' 26507363Sgblack@eecs.umich.edu return decodeVfpData(machInst); 26517363Sgblack@eecs.umich.edu ''' 26527363Sgblack@eecs.umich.edu}}; 2653