// [Generate-X86] // // The purpose of this script is to fetch all instructions' names into a single // string and to optimize common patterns that appear in instruction data. It // prevents relocation of small strings (instruction names) that has to be done // by a linker to make all pointers the binary application/library uses valid. // This approach decreases the final size of AsmJit binary and relocation data. // // NOTE: This script relies on 'asmdb' package. Either install it by using // node.js package manager (npm) or by copying/symlinking the whole asmdb // directory as [asmjit]/tools/asmdb. "use strict"; const base = require("./generate-base.js"); const hasOwn = Object.prototype.hasOwnProperty; const kIndent = base.kIndent; const StringUtils = base.StringUtils; // ---------------------------------------------------------------------------- // [X86DB] // ---------------------------------------------------------------------------- // Create the X86 database and add some special cases recognized by AsmJit. const x86 = base.asmdb.x86; const isa = new x86.ISA({ instructions: [ // Imul in [reg, imm] form is encoded as [reg, reg, imm]. ["imul" , "r16, ib" , "RM" , "66 6B /r ib" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul" , "r32, ib" , "RM" , "6B /r ib" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul" , "r64, ib" , "RM" , "REX.W 6B /r ib" , "X64 OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul" , "r16, iw" , "RM" , "66 69 /r iw" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul" , "r32, id" , "RM" , "69 /r id" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul" , "r64, id" , "RM" , "REX.W 69 /r id" , "X64 OF=W SF=W ZF=U AF=U PF=U CF=W"] ] }); // var fs = require("fs"); // fs.writeFileSync("X86.JSON", JSON.stringify(isa.instructionMap, null, 2)); // ---------------------------------------------------------------------------- // [GenUtils] // ---------------------------------------------------------------------------- const RemappedInsts = { __proto__: null, "cmpsd": { names: ["cmpsd"] , rep: false }, "movsd": { names: ["movsd"] , rep: false }, "cmps" : { names: ["cmpsb", "cmpsw", "cmpsd", "cmpsq"], rep: true }, "movs" : { names: ["movsb", "movsw", "movsd", "movsq"], rep: true }, "lods" : { names: ["lodsb", "lodsw", "lodsd", "lodsq"], rep: null }, "scas" : { names: ["scasb", "scasw", "scasd", "scasq"], rep: null }, "stos" : { names: ["stosb", "stosw", "stosd", "stosq"], rep: null }, "ins" : { names: ["insb" , "insw" , "insd" ] , rep: null }, "outs" : { names: ["outsb", "outsw", "outsd"] , rep: null } }; class GenUtils { // Get group of instructions having the same name as understood by AsmJit. static groupOf(name) { const remapped = RemappedInsts[name]; if (!remapped) return isa.query(name); const insts = isa.query(remapped.names); const rep = remapped.rep; if (rep === null) return insts; return insts.filter(function(inst) { return rep === !!(inst.attributes.REP || inst.attributes.REPZ || inst.attributes.REPNZ); }); } static archOf(group) { var anyArch = false; var x86Arch = false; var x64Arch = false; for (var i = 0; i < group.length; i++) { const inst = group[i]; if (inst.arch === "ANY") anyArch = true; if (inst.arch === "X86") x86Arch = true; if (inst.arch === "X64") x64Arch = true; } return anyArch || (x86Arch && x64Arch) ? "[ANY]" : x86Arch ? "[X86]" : "[X64]"; } // Calculate a family of a group of instructions. static familyOf(group) { var i, j; var nSSE = 0; var nAVX = 0; for (i = 0; i < group.length; i++) { const inst = group[i]; const ops = inst.operands; if (/^(VEX|XOP|EVEX)$/.test(inst.prefix)) { for (j = 0; j < ops.length; j++) { if (/^(xmm|ymm|zmm)$/.test(ops[j].reg)) { nAVX++; break; } } } else { for (j = 0; j < ops.length; j++) { if (/^(mm|xmm)$/.test(ops[j].reg)) { nSSE++; break; } } } } if (nSSE === group.length) return "Sse"; if (nAVX === group.length) return "Avx"; return "General"; } static featuresOf(group) { const features = Object.create(null); for (var i = 0; i < group.length; i++) for (var feature in group[i].extensions) features[feature] = true; const result = Object.getOwnPropertyNames(features); result.sort(); return result; } static eqOps(aOps, aFrom, bOps, bFrom) { var x = 0; for (;;) { const aIndex = x + aFrom; const bIndex = x + bFrom; const aOut = aIndex >= aOps.length; const bOut = bIndex >= bOps.length; if (aOut || bOut) return !!(aOut && bOut); const aOp = aOps[aIndex]; const bOp = bOps[bIndex]; if (aOp.data !== bOp.data) return false; x++; } } static singleRegCase(name) { switch (name) { case "xchg" : case "and" : case "pand" : case "vpand" : case "vpandd" : case "vpandq" : case "andpd" : case "vandpd" : case "andps" : case "vandps" : case "or" : case "por" : case "vpor" : case "vpord" : case "vporq" : case "orpd" : case "vorpd" : case "orps" : case "vorps" : case "pminsb" : case "vpminsb" : case "pmaxsb" : case "vpmaxsb" : case "pminsw" : case "vpminsw" : case "pmaxsw" : case "vpmaxsw" : case "pminsd" : case "vpminsd" : case "pmaxsd" : case "vpmaxsd" : case "pminub" : case "vpminub" : case "pmaxub" : case "vpmaxub" : case "pminuw" : case "vpminuw" : case "pmaxuw" : case "vpmaxuw" : case "pminud" : case "vpminud" : case "pmaxud" : case "vpmaxud" : return "RO"; case "pandn" : case "vpandn" : case "vpandnd" : case "vpandnq" : case "xor" : case "pxor" : case "vpxor" : case "vpxord" : case "vpxorq" : case "xorpd" : case "vxorpd" : case "xorps" : case "vxorps" : case "sub" : case "psubb" : case "vpsubb" : case "psubw" : case "vpsubw" : case "psubd" : case "vpsubd" : case "psubq" : case "vpsubq" : case "psubsb" : case "vpsubsb" : case "psubusb" : case "vpsubusb" : case "psubsw" : case "vpsubsw" : case "psubusw" : case "vpsubusw" : case "vpcmpeqb": case "pcmpeqb" : case "vpcmpgtb": case "pcmpgtb" : case "vpcmpeqw": case "pcmpeqw" : case "vpcmpgtw": case "pcmpgtw" : case "vpcmpeqd": case "pcmpeqd" : case "vpcmpgtd": case "pcmpgtd" : case "vpcmpeqq": case "pcmpeqq" : case "vpcmpgtq": case "pcmpgtq" : case "vpcmpb" : case "vpcmpub" : case "vpcmpd" : case "vpcmpud" : case "vpcmpw" : case "vpcmpuw" : case "vpcmpq" : case "vpcmpuq" : return "WO"; default: return "None"; } } static jumpType(name) { switch (name) { case "jo" : case "jno": case "jb" : case "jnae": case "jae": case "jnb" : case "je" : case "jz" : case "jne": case "jnz" : case "jbe": case "jna" : case "js" : case "jns": case "jp" : case "jpe" : case "jnp": case "jpo" : case "jl" : case "jnge": case "jge": case "jnl" : case "jle": case "jng" : case "jg" : case "jnle": case "jecxz": case "loop": case "loope": case "loopne": return "Conditional"; case "jmp" : return "Direct"; case "call": return "Call"; case "ret" : return "Return"; default: return "None"; } } } // ---------------------------------------------------------------------------- // [Generate] // ---------------------------------------------------------------------------- function getEFlagsMask(eflags, passing) { var msk = 0x0; var bit = 0x1; for (var i = 0; i < 8; i++, bit <<= 1) if (passing.indexOf(eflags[i]) !== -1) msk |= bit; return msk; } // Compose opcode back to what INST expects. function composeOpCode(obj) { var w = obj.w; var ew = obj.ew; return `${obj.type}(${obj.prefix},${obj.opcode},${obj.o},${obj.l},${w},${ew},${obj.en})`; } const OpSortPriority = { "read" :-9, "write" :-8, "rw" :-7, "implicit":-6, "r8lo" : 1, "r8hi" : 2, "r16" : 3, "r32" : 4, "r64" : 5, "fp" : 6, "mm" : 7, "k" : 8, "xmm" : 9, "ymm" : 10, "zmm" : 11, "sreg" : 12, "bnd" : 13, "creg" : 14, "dreg" : 15, "mem" : 30, "vm" : 31, "m8" : 32, "m16" : 33, "m32" : 34, "m64" : 35, "m80" : 36, "m128" : 37, "m256" : 38, "m512" : 39, "m1024" : 40, "mib" : 41, "vm32x" : 42, "vm32y" : 43, "vm32z" : 44, "vm64x" : 45, "vm64y" : 46, "vm64z" : 47, "memBase" : 48, "memES" : 49, "memDS" : 50, "i4" : 60, "i8" : 61, "i16" : 62, "i32" : 63, "i64" : 64, "rel8" : 70, "rel32" : 71 }; const OpToAsmJitOp = { "read" : "FLAG(R)", "write" : "FLAG(W)", "rw" : "FLAG(X)", "implicit": "FLAG(Implicit)", "r8lo" : "FLAG(GpbLo)", "r8hi" : "FLAG(GpbHi)", "r16" : "FLAG(Gpw)", "r32" : "FLAG(Gpd)", "r64" : "FLAG(Gpq)", "fp" : "FLAG(Fp)", "mm" : "FLAG(Mm)", "k" : "FLAG(K)", "xmm" : "FLAG(Xmm)", "ymm" : "FLAG(Ymm)", "zmm" : "FLAG(Zmm)", "bnd" : "FLAG(Bnd)", "sreg" : "FLAG(Seg)", "creg" : "FLAG(Cr)", "dreg" : "FLAG(Dr)", "mem" : "FLAG(Mem)", "vm" : "FLAG(Vm)", "m8" : "MEM(M8)", "m16" : "MEM(M16)", "m32" : "MEM(M32)", "m64" : "MEM(M64)", "m80" : "MEM(M80)", "m128" : "MEM(M128)", "m256" : "MEM(M256)", "m512" : "MEM(M512)", "m1024" : "MEM(M1024)", "mib" : "MEM(Mib)", "mAny" : "MEM(Any)", "vm32x" : "MEM(Vm32x)", "vm32y" : "MEM(Vm32y)", "vm32z" : "MEM(Vm32z)", "vm64x" : "MEM(Vm64x)", "vm64y" : "MEM(Vm64y)", "vm64z" : "MEM(Vm64z)", "memBase" : "MEM(BaseOnly)", "memDS" : "MEM(Ds)", "memES" : "MEM(Es)", "i4" : "FLAG(I4)", "i8" : "FLAG(I8)", "i16" : "FLAG(I16)", "i32" : "FLAG(I32)", "i64" : "FLAG(I64)", "rel8" : "FLAG(Rel8)", "rel32" : "FLAG(Rel32)" }; function OpSortFunc(a, b) { return (OpSortPriority[a] || 0) - (OpSortPriority[b] || 0); } function SortOpArray(a) { a.sort(OpSortFunc); return a; } function StringifyArray(a, map) { var s = ""; for (var i = 0; i < a.length; i++) { const op = a[i]; if (!hasOwn.call(map, op)) throw new Error(`UNHANDLED OPERAND '${op}'`); s += (s ? " | " : "") + map[op]; } return s ? s : "0"; } class OSignature { constructor() { this.flags = Object.create(null); } equals(other) { const af = this.flags; const bf = other.flags; for (var k in af) if (!hasOwn.call(bf, k)) return false; for (var k in bf) if (!hasOwn.call(af, k)) return false; return true; } xor(other) { const result = Object.create(null); const af = this.flags; const bf = other.flags; for (var k in af) if (!hasOwn.call(bf, k)) result[k] = true; for (var k in bf) if (!hasOwn.call(af, k)) result[k] = true; return Object.getOwnPropertyNames(result).length === 0 ? null : result; } mergeWith(other) { const af = this.flags; const bf = other.flags; var k; var indexKind = ""; var hasReg = false; for (k in af) { const index = x86.Utils.regIndexOf(k); const kind = x86.Utils.regKindOf(k); if (kind) hasReg = true; if (index !== null && index !== -1) indexKind = kind; } if (hasReg) { for (k in bf) { const index = x86.Utils.regIndexOf(k); if (index !== null && index !== -1) { const kind = x86.Utils.regKindOf(k); if (indexKind !== kind) return false; } } } // Can merge... for (k in bf) af[k] = true; return true; } simplify() { const flags = this.flags; // Implicit register when also any other register can be specified. if (flags.al && flags.r8lo) delete flags["al"]; if (flags.ah && flags.r8hi) delete flags["ah"]; if (flags.ax && flags.r16) delete flags["ax"]; if (flags.eax && flags.r32) delete flags["eax"]; if (flags.rax && flags.r64) delete flags["rax"]; // 32-bit register or 16-bit memory implies also 16-bit reg. if (flags.r32 && flags.m16) { flags.r16 = true; } // 32-bit register or 8-bit memory implies also 16-bit and 8-bit reg. if (flags.r32 && flags.m8) { flags.r8lo = true; flags.r8hi = true; flags.r16 = true; } } toString() { var s = ""; var flags = this.flags; var prefix = (flags.read && flags.write) ? "X:" : (flags.write) ? "W:" : "R:"; for (var k in flags) { if (k === "read" || k === "write" || k === "implicit" || k === "memDS" || k === "memES") continue; var x = k; if (x === "memZAX") x = "zax"; if (x === "memZDI") x = "zdi"; if (x === "memZSI") x = "zsi"; s += (s ? "|" : "") + x; } if (flags.memDS) s = "ds:[" + s + "]"; if (flags.memES) s = "es:[" + s + "]"; if (flags.implicit) s = "<" + s + ">"; return prefix + s; } toAsmJitOpData() { var oFlags = this.flags; var mFlags = Object.create(null); var mMemFlags = Object.create(null); var mExtFlags = Object.create(null); var sRegMask = 0; if (oFlags.read && oFlags.write) mFlags.rw = true; else if (oFlags.write) mFlags.write = true; else mFlags.read = true; for (var k in oFlags) { switch (k) { case "read" : break; case "write" : break; case "implicit": case "r8lo" : case "r8hi" : case "r16" : case "r32" : case "r64" : case "creg" : case "dreg" : case "sreg" : case "bnd" : case "fp" : case "k" : case "mm" : case "xmm" : case "ymm" : case "zmm" : mFlags[k] = true; break; case "m8" : mFlags.mem = true; mMemFlags.m8 = true; break; case "m16" : mFlags.mem = true; mMemFlags.m16 = true; break; case "m32" : mFlags.mem = true; mMemFlags.m32 = true; break; case "m64" : mFlags.mem = true; mMemFlags.m64 = true; break; case "m80" : mFlags.mem = true; mMemFlags.m80 = true; break; case "m128" : mFlags.mem = true; mMemFlags.m128 = true; break; case "m256" : mFlags.mem = true; mMemFlags.m256 = true; break; case "m512" : mFlags.mem = true; mMemFlags.m512 = true; break; case "m1024" : mFlags.mem = true; mMemFlags.m1024 = true; break; case "mib" : mFlags.mem = true; mMemFlags.mib = true; break; case "mem" : mFlags.mem = true; mMemFlags.mAny = true; break; case "memDS" : mFlags.mem = true; mMemFlags.memDS = true; break; case "memES" : mFlags.mem = true; mMemFlags.memES = true; break; case "memZAX" : mFlags.mem = true; sRegMask |= 1 << 0; mMemFlags.memBase = true; break; case "memZSI" : mFlags.mem = true; sRegMask |= 1 << 6; mMemFlags.memBase = true; break; case "memZDI" : mFlags.mem = true; sRegMask |= 1 << 7; mMemFlags.memBase = true; break; case "vm32x" : mFlags.vm = true; mMemFlags.vm32x = true; break; case "vm32y" : mFlags.vm = true; mMemFlags.vm32y = true; break; case "vm32z" : mFlags.vm = true; mMemFlags.vm32z = true; break; case "vm64x" : mFlags.vm = true; mMemFlags.vm64x = true; break; case "vm64y" : mFlags.vm = true; mMemFlags.vm64y = true; break; case "vm64z" : mFlags.vm = true; mMemFlags.vm64z = true; break; case "i4" : case "i8" : case "i16" : case "i32" : case "i64" : mFlags[k] = true; break; case "rel8" : case "rel32" : mFlags.i32 = true; mFlags.i64 = true; mFlags[k] = true; break; default: { switch (k) { case "es" : mFlags.sreg = true; sRegMask |= 1 << 1; break; case "cs" : mFlags.sreg = true; sRegMask |= 1 << 2; break; case "ss" : mFlags.sreg = true; sRegMask |= 1 << 3; break; case "ds" : mFlags.sreg = true; sRegMask |= 1 << 4; break; case "fs" : mFlags.sreg = true; sRegMask |= 1 << 5; break; case "gs" : mFlags.sreg = true; sRegMask |= 1 << 6; break; case "al" : mFlags.r8lo = true; sRegMask |= 1 << 0; break; case "ah" : mFlags.r8hi = true; sRegMask |= 1 << 0; break; case "ax" : mFlags.r16 = true; sRegMask |= 1 << 0; break; case "eax" : mFlags.r32 = true; sRegMask |= 1 << 0; break; case "rax" : mFlags.r64 = true; sRegMask |= 1 << 0; break; case "bl" : mFlags.r8lo = true; sRegMask |= 1 << 3; break; case "bh" : mFlags.r8hi = true; sRegMask |= 1 << 3; break; case "bx" : mFlags.r16 = true; sRegMask |= 1 << 3; break; case "ebx" : mFlags.r32 = true; sRegMask |= 1 << 3; break; case "rbx" : mFlags.r64 = true; sRegMask |= 1 << 3; break; case "cl" : mFlags.r8lo = true; sRegMask |= 1 << 1; break; case "ch" : mFlags.r8hi = true; sRegMask |= 1 << 1; break; case "cx" : mFlags.r16 = true; sRegMask |= 1 << 1; break; case "ecx" : mFlags.r32 = true; sRegMask |= 1 << 1; break; case "rcx" : mFlags.r64 = true; sRegMask |= 1 << 1; break; case "dl" : mFlags.r8lo = true; sRegMask |= 1 << 2; break; case "dh" : mFlags.r8hi = true; sRegMask |= 1 << 2; break; case "dx" : mFlags.r16 = true; sRegMask |= 1 << 2; break; case "edx" : mFlags.r32 = true; sRegMask |= 1 << 2; break; case "rdx" : mFlags.r64 = true; sRegMask |= 1 << 2; break; case "si" : mFlags.r16 = true; sRegMask |= 1 << 6; break; case "esi" : mFlags.r32 = true; sRegMask |= 1 << 6; break; case "rsi" : mFlags.r64 = true; sRegMask |= 1 << 6; break; case "di" : mFlags.r16 = true; sRegMask |= 1 << 7; break; case "edi" : mFlags.r32 = true; sRegMask |= 1 << 7; break; case "rdi" : mFlags.r64 = true; sRegMask |= 1 << 7; break; case "fp0" : mFlags.fp = true; sRegMask |= 1 << 0; break; case "xmm0" : mFlags.xmm = true; sRegMask |= 1 << 0; break; case "ymm0" : mFlags.ymm = true; sRegMask |= 1 << 0; break; default: console.log(`UNKNOWN OPERAND '${k}'`); } } } } const sFlags = StringifyArray(SortOpArray(Object.getOwnPropertyNames(mFlags )), OpToAsmJitOp); const sMemFlags = StringifyArray(SortOpArray(Object.getOwnPropertyNames(mMemFlags)), OpToAsmJitOp); const sExtFlags = StringifyArray(SortOpArray(Object.getOwnPropertyNames(mExtFlags)), OpToAsmJitOp); return `OSIGNATURE(${sFlags || 0}, ${sMemFlags || 0}, ${sExtFlags || 0}, ${StringUtils.decToHex(sRegMask, 2)})`; } } class ISignature extends Array { constructor() { super(); this.x86 = false; this.x64 = false; this.implicit = 0; // Number of implicit operands. } simplify() { for (var i = 0; i < this.length; i++) this[i].simplify(); } opEquals(other) { const len = this.length; if (len !== other.length) return false; for (var i = 0; i < len; i++) if (!this[i].equals(other[i])) return false; return true; } mergeWith(other) { // If both architectures are the same, it's fine to merge. var ok = this.x86 === other.x86 && this.x64 === other.x64; // If the first arch is [X86|X64] and the second [X64] it's also fine. if (!ok && this.x86 && this.x64 && !other.x86 && other.x64) ok = true; // It's not ok if both signatures have different number of implicit operands. if (!ok || this.implicit !== other.implicit) return false; // It's not ok if both signatures have different number of operands. const len = this.length; if (len !== other.length) return false; var xorIndex = -1; for (var i = 0; i < len; i++) { const xor = this[i].xor(other[i]); if (xor === null) continue; if (xorIndex === -1) xorIndex = i; else return false; } // Bail if mergeWidth at operand-level failed. if (xorIndex !== -1 && !this[xorIndex].mergeWith(other[xorIndex])) return false; this.x86 = this.x86 || other.x86; this.x64 = this.x64 || other.x64; return true; } toString() { return "{" + this.join(", ") + "}"; } } class SignatureArray extends Array { compact() { for (var i = 0; i < this.length; i++) { var row = this[i]; var j = i + 1; while (j < this.length) { if (row.mergeWith(this[j])) { this.splice(j, 1); continue; } j++; } } } simplify() { for (var i = 0; i < this.length; i++) this[i].simplify(); } toString() { return "[" + this.join(", ") + "]"; } } // ---------------------------------------------------------------------------- // [X86Generator] // ---------------------------------------------------------------------------- class X86Generator extends base.BaseGenerator { constructor() { super("X86"); this.opCombinations = Object.create(null); this.maxOpRows = 0; this.opBlackList = { "moff8" : true, "moff16": true, "moff32": true, "moff64": true }; this.load([ "src/asmjit/x86/x86inst.cpp", "src/asmjit/x86/x86inst.h" ]); } signaturesFromInsts(insts) { const signatures = new SignatureArray(); for (var i = 0; i < insts.length; i++) { const inst = insts[i]; const ops = inst.operands; var row = new ISignature(); row.x86 = inst.arch === "ANY" || inst.arch === "X86"; row.x64 = inst.arch === "ANY" || inst.arch === "X64"; for (var j = 0; j < ops.length; j++) { var iop = ops[j]; var reg = iop.reg; var mem = iop.mem; var imm = iop.imm; var rel = iop.rel; // Terminate if this operand is something asmjit doesn't support // and skip all instructions having implicit `imm` operand of `1` // (handled fine by asmjit). if (this.opBlackList[mem] === true || iop.immValue !== null) { row = null; break; } if (reg === "r8") reg = "r8lo"; if (reg === "seg") reg = "sreg"; if (reg === "st(i)") reg = "fp"; if (reg === "st(0)") reg = "fp0"; if (mem === "m32fp") mem = "m32"; if (mem === "m64fp") mem = "m64"; if (mem === "m80fp") mem = "m80"; if (mem === "m80bcd") mem = "m80"; if (mem === "m80dec") mem = "m80"; if (mem === "m16int") mem = "m16"; if (mem === "m32int") mem = "m32"; if (mem === "m64int") mem = "m64"; const op = new OSignature(); if (iop.read) op.flags.read = true; if (iop.write) op.flags.write = true; if (iop.implicit) { row.implicit++; op.flags.implicit = true; } if (iop.memSeg) { if (iop.memSeg === "ds") op.flags.memDS = true; if (iop.memSeg === "es") op.flags.memES = true; if (reg === "zax") op.flags.memZAX = true; if (reg === "zsi") op.flags.memZSI = true; if (reg === "zdi") op.flags.memZDI = true; } else if (reg) { op.flags[reg] = true; if (reg === "r8lo") op.flags.r8hi = true; } if (mem) op.flags[mem] = true; if (imm) op.flags["i" + imm] = true; if (rel) op.flags["rel" + rel] = true; row.push(op); } if (row) signatures.push(row); } signatures.compact(); signatures.simplify(); signatures.compact(); return signatures; } // -------------------------------------------------------------------------- // [Parse] // -------------------------------------------------------------------------- parse() { const data = this.dataOf("src/asmjit/x86/x86inst.cpp"); const re = new RegExp( "INST\\(" + "([A-Za-z0-9_]+)\\s*" + "," + // [01] Instruction. "([^,]+)" + "," + // [02] Encoding. "(.{26}[^,]*)" + "," + // [03] Opcode[0]. "(.{26}[^,]*)" + "," + // [04] Opcode[1]. "(.{38}[^,]*)" + "," + // [05] IFLAGS. "\\s*EF\\(([A-Z_]+)\\)\\s*" + "," + // [06] EFLAGS. "([^,]+)" + "," + // [07] Write-Index. "([^,]+)" + "," + // [08] Write-Size. // --- autogenerated fields --- "([^\\)]+)" + "," + // [09] FamilyType. "([^\\)]+)" + "," + // [10] FamilyIndex. "([^\\)]+)" + "," + // [11] NameIndex. "([^\\)]+)" + "\\)",// [12] ExtIndex. "g"); var m; while ((m = re.exec(data)) !== null) { var enum_ = m[1]; var name = enum_ === "None" ? "" : enum_.toLowerCase(); var encoding = m[2].trim(); var opcode0 = m[3].trim(); var opcode1 = m[4].trim(); var iflags = m[5].trim(); var eflags = m[6]; var writeIndex = StringUtils.trimLeft(m[7]); var writeSize = StringUtils.trimLeft(m[8]); const insts = GenUtils.groupOf(name); if (!insts.length) console.log(`INSTRUCTION '${name}' not found in asmdb`); const signatures = this.signaturesFromInsts(insts); const singleRegCase = GenUtils.singleRegCase(name); const jumpType = GenUtils.jumpType(name); this.addInst({ id : 0, // Instruction id (numeric value). name : name, // Instruction name. enum : enum_, // Instruction enum without `kId` prefix. encoding : encoding, // Instruction encoding. opcode0 : opcode0, // Primary opcode. opcode1 : opcode1, // Secondary opcode. iflags : iflags, eflags : eflags, writeIndex : writeIndex, writeSize : writeSize, signatures : signatures, // Rows containing instruction signatures. singleRegCase : singleRegCase, jumpType : jumpType, familyType : "kFamilyNone", // Family type. familyIndex : 0, // Index to a family-specific data. nameIndex : -1, // Instruction name-index. altOpCodeIndex: -1, // Index to X86InstDB::altOpCodeTable. commonIndex : -1, signatureIndex: -1, signatureCount: -1 }); this.maxOpRows = Math.max(this.maxOpRows, signatures.length); } if (this.instArray.length === 0) throw new Error("X86Generator.parse(): Invalid parsing regexp (no data parsed)"); console.log("Number of Instructions: " + this.instArray.length); } // -------------------------------------------------------------------------- // [Generate] // -------------------------------------------------------------------------- generate() { // Order doesn't matter here. this.generateIdData(); this.generateNameData(); this.generateFpuData(); this.generateSseData(); this.generateAvxData(); this.generateAltOpCodeData(); this.generateSignatureData(); // These must be last, and order matters. this.generateCommonData(); this.generateInstData(); return this; } // -------------------------------------------------------------------------- // [Generate - AltOpCodeData] // -------------------------------------------------------------------------- generateAltOpCodeData() { const table = new base.IndexedArray(); for (var i = 0; i < this.instArray.length; i++) { const inst = this.instArray[i]; inst.altOpCodeIndex = table.addIndexed(StringUtils.padLeft(inst.opcode1, 26)); } var s = `const uint32_t X86InstDB::altOpCodeData[] = {\n${StringUtils.format(table, kIndent, true)}\n};\n`; return this.inject("altOpCodeData", StringUtils.disclaimer(s), table.length * 4); } // -------------------------------------------------------------------------- // [Generate - FpuData] // -------------------------------------------------------------------------- generateFpuData() { return this; } // -------------------------------------------------------------------------- // [Generate - SseData] // -------------------------------------------------------------------------- generateSseData() { const instArray = this.instArray; const instMap = this.instMap; const prefix = "X86Inst::SseData::"; const table = new base.IndexedArray(); function getSseToAvxInsts(insts) { const combinations = []; for (var x = 0; x < insts.length; x++) { const inst = insts[x]; const ops = inst.operands; // SSE instruction does never share its name with AVX one. if (/^(VEX|XOP|EVEX)$/.test(inst.prefix)) return null; var ok = false; for (var y = 0; y < ops.length; y++) { if (ops[y].reg === "xmm") ok = true; // There is no AVX instruction that works with MMX regs. if (ops[y].reg === "mm") { ok = false; break; } } if (ok) combinations.push(inst); } return combinations.length ? combinations : null; } function calcSseToAvxData(insts, out) { const sseInsts = getSseToAvxInsts(insts); if (!sseInsts) return 0; const sseName = sseInsts[0].name; const avxName = "v" + sseName; const avxInsts = GenUtils.groupOf(avxName); if (!avxInsts.length) { console.log(`SseToAvx: Instruction '${sseName}' has no AVX counterpart`); return null; } if (avxName === "vblendvpd" || avxName === "vblendvps" || avxName === "vpblendvb") { // Special cases first. out.avxConvMode = "Blend"; } else { // Common case, deduce conversion mode by checking both SSE and AVX instructions' operands. const map = Object.create(null); for (var sseIndex = 0; sseIndex < sseInsts.length; sseIndex++) { const sseInst = sseInsts[sseIndex]; var match = false; for (var avxIndex = 0; avxIndex < avxInsts.length; avxIndex++) { const avxInst = avxInsts[avxIndex]; // Select only VEX instructions. if (avxInst.prefix !== "VEX") continue; // Check if the AVX version is the same. if (GenUtils.eqOps(avxInst.operands, 0, sseInst.operands, 0)) { map.raw = true; match = true; } else if (avxInst.operands[0].data === "xmm" && GenUtils.eqOps(avxInst.operands, 1, sseInst.operands, 0)) { map.nds = true; match = true; } } if (!match) { const signature = sseInst.operands.map(function(op) { return op.data; }).join(", "); console.log(`SseToAvx: Instruction '${sseName}(${signature})' has no AVX counterpart`); return null; } } out.avxConvMode = (map.raw && !map.nds) ? "Move" : (map.raw && map.nds) ? "MoveIfMem" : "Extend"; } out.avxConvDelta = instMap[avxName].id - instMap[sseName].id; } for (var i = 0; i < instArray.length; i++) { const inst = instArray[i]; const insts = GenUtils.groupOf(inst.name); if (!insts.length) continue; if (GenUtils.familyOf(insts) === "Sse") { const data = { avxConvMode : "None", // No conversion by default. avxConvDelta: 0 // 0 if no conversion is possible. }; calcSseToAvxData(insts, data); var features = GenUtils.featuresOf(insts).map(function(f) { return StringUtils.padLeft(`FEATURE(${f})`, 19); }).join(`|\n${kIndent} `); if (!features) features = StringUtils.padLeft("0", 19); inst.familyType = "kFamilySse"; inst.familyIndex = table.addIndexed( "{ " + features + ", " + StringUtils.padLeft(`AVX_CONV(${data.avxConvMode})`, 20) + ", " + StringUtils.padLeft(data.avxConvDelta , 4) + " }" ); } } var s = `#define FEATURE(F) ${prefix}kFeature##F\n` + `#define AVX_CONV(MODE) ${prefix}kAvxConv##MODE\n` + `const X86Inst::SseData X86InstDB::sseData[] = {\n${StringUtils.format(table, kIndent, true)}\n};\n` + `#undef AVX_CONV\n` + `#undef FEATURE\n`; return this.inject("sseData", StringUtils.disclaimer(s), table.length * 4); } // -------------------------------------------------------------------------- // [Generate - AvxData] // -------------------------------------------------------------------------- generateAvxData() { const instArray = this.instArray; const prefix = "X86Inst::AvxData::"; const table = new base.IndexedArray(); function fillFlags(insts, out) { for (var i = 0; i < insts.length; i++) { const inst = insts[i]; if (inst.prefix === "EVEX") { if (inst.kmask) out.Masking = true; if (inst.zmask) out.Zeroing = true; if (inst.rnd) out.ER = true; if (inst.sae) out.SAE = true; if (inst.broadcast) out["Broadcast" + String(inst.elementSize)] = true; } } } for (var i = 0; i < instArray.length; i++) { const inst = instArray[i]; const insts = GenUtils.groupOf(inst.name); if (!insts.length) continue; if (GenUtils.familyOf(insts) === "Avx") { var features = GenUtils.featuresOf(insts).map(function(f) { return StringUtils.padLeft(`FEATURE(${f})`, 19); }).join(`|\n${kIndent} `); if (!features) features = StringUtils.padLeft("0", 19); const flagsMap = {}; fillFlags(insts, flagsMap); const flagsArr = Object.getOwnPropertyNames(flagsMap); flagsArr.sort(); var flags = flagsArr.map(function(flag) { return `FLAG(${flag})`; }).join(" | "); if (!flags) flags = "0"; inst.familyType = "kFamilyAvx"; inst.familyIndex = table.addIndexed("{ " + features + ", " + flags + " }"); } } var s = `#define FEATURE(F) ${prefix}kFeature##F\n` + `#define FLAG(F) ${prefix}kFlag##F\n` + `const X86Inst::AvxData X86InstDB::avxData[] = {\n${StringUtils.format(table, kIndent, true)}\n};\n` + `#undef FLAG\n` + `#undef FEATURE\n`; return this.inject("avxData", StringUtils.disclaimer(s), table.length * 8); } // -------------------------------------------------------------------------- // [Generate - SignatureData] // -------------------------------------------------------------------------- generateSignatureData() { const instArray = this.instArray; const opMap = Object.create(null); const opArr = []; const signatureMap = Object.create(null); const signatureArr = []; const noOperand = "OSIGNATURE(0, 0, 0, 0xFF)"; opMap[noOperand] = [0]; opArr.push(noOperand); function findSignaturesIndex(rows) { const len = rows.length; if (!len) return 0; const indexes = signatureMap[rows[0].data]; if (indexes === undefined) return -1; for (var i = 0; i < indexes.length; i++) { const index = indexes[i]; if (index + len > signatureArr.length) continue; var ok = true; for (var j = 0; j < len; j++) { if (signatureArr[index + j].data !== rows[j].data) { ok = false; break; } } if (ok) return index; } return -1; } function indexSignatures(signatures) { const result = signatureArr.length; for (var i = 0; i < signatures.length; i++) { const signature = signatures[i]; const idx = signatureArr.length; if (!hasOwn.call(signatureMap, signature.data)) signatureMap[signature.data] = []; signatureMap[signature.data].push(idx); signatureArr.push(signature); } return result; } for (var len = this.maxOpRows; len >= 0; len--) { for (var i = 0; i < instArray.length; i++) { const inst = instArray[i]; const signatures = inst.signatures; if (signatures.length !== len) continue; const signatureEntries = []; for (var j = 0; j < len; j++) { const signature = signatures[j]; var signatureEntry = `ISIGNATURE(${signature.length}, ${signature.x86 ? 1 : 0}, ${signature.x64 ? 1 : 0}, ${signature.implicit}`; var signatureComment = signature.toString(); var x = 0; while (x < signature.length) { const h = signature[x].toAsmJitOpData(); var index = -1; if (!hasOwn.call(opMap, h)) { index = opArr.length; opMap[h] = index; opArr.push(h); } else { index = opMap[h]; } signatureEntry += `, ${StringUtils.padLeft(index, 3)}`; x++; } while (x < 6) { signatureEntry += `, ${StringUtils.padLeft(0, 3)}`; x++; } signatureEntry += `)`; signatureEntries.push({ data: signatureEntry, comment: signatureComment, refs: 0 }); } var count = signatureEntries.length; var index = findSignaturesIndex(signatureEntries); if (index === -1) index = indexSignatures(signatureEntries); signatureArr[index].refs++; inst.signatureIndex = index; inst.signatureCount = count; } } var s = "#define ISIGNATURE(count, x86, x64, implicit, o0, o1, o2, o3, o4, o5) \\\n" + " { count, (x86 ? uint8_t(X86Inst::kArchMaskX86) : uint8_t(0)) | \\\n" + " (x64 ? uint8_t(X86Inst::kArchMaskX64) : uint8_t(0)) , \\\n" + " implicit, \\\n" + " 0, \\\n" + " { o0, o1, o2, o3, o4, o5 } \\\n" + " }\n" + StringUtils.makeCxxArrayWithComment(signatureArr, "static const X86Inst::ISignature _x86InstISignatureData[]") + "#undef ISIGNATURE\n" + "\n" + "#define FLAG(flag) X86Inst::kOp##flag\n" + "#define MEM(mem) X86Inst::kMemOp##mem\n" + "#define OSIGNATURE(flags, memFlags, extFlags, regId) \\\n" + " { uint32_t(flags), uint16_t(memFlags), uint8_t(extFlags), uint8_t(regId) }\n" + StringUtils.makeCxxArray(opArr, "static const X86Inst::OSignature _x86InstOSignatureData[]") + "#undef OSIGNATURE\n" + "#undef MEM\n" + "#undef FLAG\n"; return this.inject("signatureData", StringUtils.disclaimer(s), opArr.length * 8 + signatureArr.length * 8); } // -------------------------------------------------------------------------- // [Generate - CommonData] // -------------------------------------------------------------------------- generateCommonData() { const table = new base.IndexedArray(); for (var i = 0; i < this.instArray.length; i++) { const inst = this.instArray[i]; const eflagsIn = StringUtils.decToHex(getEFlagsMask(inst.eflags, "RX" ), 2); const eflagsOut = StringUtils.decToHex(getEFlagsMask(inst.eflags, "WXU"), 2); const singleRegCase = `SINGLE_REG(${inst.singleRegCase})`; const jumpType = `JUMP_TYPE(${inst.jumpType})`; const item = "{ " + StringUtils.padLeft(inst.iflags , 38) + ", " + StringUtils.padLeft(inst.writeIndex , 3) + ", " + StringUtils.padLeft(inst.writeSize , 3) + ", " + eflagsIn + ", " + eflagsOut + ", " + StringUtils.padLeft(inst.altOpCodeIndex, 3) + ", " + StringUtils.padLeft(inst.signatureIndex, 3) + ", " + StringUtils.padLeft(inst.signatureCount, 2) + ", " + StringUtils.padLeft(jumpType , 22) + ", " + StringUtils.padLeft(singleRegCase , 16) + ", " + "0 }"; inst.commonIndex = table.addIndexed(item); } var s = `#define JUMP_TYPE(VAL) AnyInst::kJumpType##VAL\n` + `#define SINGLE_REG(VAL) X86Inst::kSingleReg##VAL\n` + `const X86Inst::CommonData X86InstDB::commonData[] = {\n${StringUtils.format(table, kIndent, true)}\n};\n` + `#undef SINGLE_REG\n` + `#undef JUMP_TYPE\n`; return this.inject("commonData", StringUtils.disclaimer(s), table.length * 12); } // -------------------------------------------------------------------------- // [Generate - InstData] // -------------------------------------------------------------------------- generateInstData() { var s = StringUtils.format(this.instArray, "", false, function(inst) { return "INST(" + StringUtils.padLeft(inst.enum , 16) + ", " + StringUtils.padLeft(inst.encoding , 19) + ", " + StringUtils.padLeft(inst.opcode0 , 26) + ", " + StringUtils.padLeft(inst.opcode1 , 26) + ", " + StringUtils.padLeft(inst.iflags , 38) + ", " + "EF(" + inst.eflags + "), " + StringUtils.padLeft(inst.writeIndex , 1) + ", " + StringUtils.padLeft(inst.writeSize , 1) + ", " + StringUtils.padLeft(inst.familyType , 11) + ", " + StringUtils.padLeft(inst.familyIndex, 3) + ", " + StringUtils.padLeft(inst.nameIndex , 4) + ", " + StringUtils.padLeft(inst.commonIndex, 3) + ")"; }) + "\n"; return this.inject("instData", s, this.instArray.length * 12); } // -------------------------------------------------------------------------- // [Reimplement] // -------------------------------------------------------------------------- getCommentOf(name) { var insts = GenUtils.groupOf(name); if (!insts.length) return ""; var features = GenUtils.featuresOf(insts); var comment = GenUtils.archOf(insts); if (features.length) { comment += " {"; const vl = features.indexOf("AVX512_VL"); if (vl !== -1) features.splice(vl, 1); comment += features.join("|"); if (vl !== -1) comment += " (VL)"; comment += "}"; } return comment; } // -------------------------------------------------------------------------- // [Print] // -------------------------------------------------------------------------- printMissing() { var out = ""; function CPUFlags(insts) { var flags = {}; for (var i = 0; i < insts.length; i++) { var inst = insts[i]; for (var k in inst.extensions) flags[k] = true; } return Object.getOwnPropertyNames(flags).join("|"); } isa.instructionNames.forEach(function(name) { var insts = isa.query(name); if (!this.instMap[name]) { console.log(`MISSING INSTRUCTION '${name}'`); var inst = this.newInstFromInsts(insts); if (inst) { out += " INST(" + StringUtils.padLeft(inst.enum , 16) + ", " + StringUtils.padLeft(inst.encoding , 23) + ", " + StringUtils.padLeft(inst.opcode0 , 26) + ", " + StringUtils.padLeft(inst.opcode1 , 26) + ", " + StringUtils.padLeft(inst.iflags , 38) + ", " + "EF(" + inst.eflags + "), " + StringUtils.padLeft(inst.writeIndex , 2) + ", " + StringUtils.padLeft(inst.writeSize , 2) + ", " + StringUtils.padLeft(inst.signatureIndex, 3) + ", " + StringUtils.padLeft(inst.signatureCount, 2) + ", " + StringUtils.padLeft("0", 3) + ", " + StringUtils.padLeft("0", 3) + ", " + StringUtils.padLeft("0", 3) + "),\n"; } } }, this); console.log(out); } } // ---------------------------------------------------------------------------- // [Main] // ---------------------------------------------------------------------------- function main() { const gen = new X86Generator(); gen.parse(); gen.generate(); // gen.printMissing(); gen.dumpTableSizes(); gen.save(); } main(); /* newInstFromInsts(insts) { function GetAccess(inst) { var operands = inst.operands; if (!operands.length) return ""; var op = operands[0]; if (op.read && op.write) return "RW"; else if (op.read) return "RO"; else return "WO"; } var inst = insts[0]; var id = this.instArray.length; var name = inst.name; var enum_ = kX86InstId + name[0].toUpperCase() + name.substr(1); var opcode = inst.opcode; var rm = inst.rm; var mm = inst.mm; var pp = inst.pp; var encoding = inst.encoding; var prefix = inst.prefix; var access = GetAccess(inst); var eflags = ["_", "_", "_", "_", "_", "_", "_", "_"]; for (var flag in inst.eflags) { var fOp = inst.eflags[flag]; var fIndex = flag === "OF" ? 0 : flag === "SF" ? 1 : flag === "ZF" ? 2 : flag === "AF" ? 3 : flag === "PF" ? 4 : flag === "CF" ? 5 : flag === "DF" ? 6 : 7; var fChar = fOp === "W" ? "W" : fOp === "R" ? "R" : fOp === "X" ? "X" : fOp === "0" ? "W" : fOp === "1" ? "W" : fOp === "U" ? "U" : "#"; eflags[fIndex] = fChar; } var vexL = undefined; var vexW = undefined; var evexW = undefined; for (var i = 1; i < insts.length; i++) { inst = insts[i]; if (opcode !== inst.opcode ) return null; if (rm !== inst.rm ) return null; if (mm !== inst.mm ) return null; if (pp !== inst.pp ) return null; if (encoding !== inst.encoding ) return null; if (prefix !== inst.prefix ) return null; if (access !== GetAccess(inst)) return null; } var obj = AVX512Flags(insts); if (obj) { vexL = obj.vexL; vexW = obj.vexW; evexW = obj.evexW; } var ppmm = StringUtils.padLeft(pp, 2).replace(/ /g, "0") + StringUtils.padLeft(mm, 4).replace(/ /g, "0") ; var composed = composeOpCode({ type : prefix === "VEX" || prefix === "EVEX" ? "V" : "O", prefix: ppmm, opcode: opcode, o : rm === "r" ? "_" : (rm ? rm : "_"), l : vexL !== undefined ? vexL : "_", w : vexW !== undefined ? vexW : "_", ew : evexW !== undefined ? vexEW : "_", en : "_" }); var iflags = []; if (access) iflags.push("F(" + access + ")"); if (insts[0].prefix === "VEX") iflags.push("F(Vex)"); return { id : id, name : name, enum : enum_, encoding : encoding, opcode0 : composed, opcode1 : "0", iflags : iflags.join(""), eflags : eflags.join(""), writeIndex : "0", writeSize : "0", signatures : this.signaturesFromInsts(insts), nameIndex : -1, commonIndex : -1 }; } function genAPI() { var asm = fs.readFileSync("../src/asmjit/x86/x86assembler.h", "utf8"); var list = ["AVX512_F", "AVX512_DQ", "AVX512_BW", "AVX512_CD", "AVX512_ER", "AVX512_PF", "AVX512_IFMA", "AVX512_VBMI"]; function getAVX512Flag(inst) { for (var cpu in inst.extensions) { if (list.indexOf(cpu) !== -1) { return inst.extensions["AVX512_VL"] ? cpu + "-VL" : cpu; } } return ""; } var out = ""; var signatures = Object.create(null); var signNames = []; for (var i = 0; i < list.length; i++) { var cpu = list[i]; const EncodeReg = { "xmm" : "X86Xmm", "ymm" : "X86Ymm", "zmm" : "X86Zmm", "r32" : "X86Gp", "r64" : "X86Gp", "k" : "X86KReg", "eax" : "EAX", "edx" : "EDX", "ecx" : "ECX", "zdi" : "ZDI", "xmm0": "XMM0" } isa.forEach(function(name, inst) { if (inst.extensions.AVX || inst.extensions.AVX2 || getAVX512Flag(inst)) { var operands = inst.operands; var iops = []; var hasImm = -1; var hasMemReg = -1; var memReg = null; var enum_ = name[0].toUpperCase() + name.substr(1); iops.push(name, enum_); var flags = ""; var avx512Flags = []; if (inst.zmask) avx512Flags.push("kz"); else if (inst.kmask) avx512Flags.push("k"); if (inst.rnd) avx512Flags.push("er"); else if (inst.sae) avx512Flags.push("sae"); if (inst.broadcast) avx512Flags.push(`b${inst.elementSize}`); var flags = getAVX512Flag(inst); if (flags) { if (flags.indexOf("-VL") !== -1) flags = flags.substr(0, flags.length - 3) + (avx512Flags.length ? "{" + avx512Flags.join("|") + "}" : "") + "-VL"; else flags = flags + (avx512Flags.length ? "{" + avx512Flags.join("|") + "}" : ""); } else if (inst.extensions.AVX2) { flags = "AVX2"; } else if (inst.extensions.AVX) { flags = "AVX"; } else { flags = ""; } console.log(`${inst.name}: ${flags}`); for (var j = 0; j < operands.length; j++) { var operand = operands[j]; if (operand.reg && operand.mem) { if (!EncodeReg[operand.reg]) console.log(`UNHANDLED REG ${operand.reg}`); hasMemReg = iops.length; memReg = [EncodeReg[operand.reg], "X86Mem"]; iops.push("?"); } else if (operand.reg) { if (!EncodeReg[operand.reg]) console.log(`UNHANDLED REG ${operand.reg}`); iops.push(EncodeReg[operand.reg]); } else if (operand.mem) { iops.push("X86Mem"); } else if (operand.imm) { hasImm = iops.length; iops.push("Imm"); } else { console.log(`UNHANDLED OPERAND (instruction ${inst.name}`); } } var prefix = "INST_" + (operands.length) + ((hasImm === -1) ? "x" : "i"); var str = `${prefix}(${iops.join(", ")})`; var insts = []; if (hasMemReg !== -1) { insts.push(str.replace("?", memReg[0])); insts.push(str.replace("?", memReg[1])); } else { insts.push(str); } for (var j = 0; j < insts.length; j++) { str = insts[j]; if (!signatures[str]) { signNames.push(str); signatures[str] = {}; } signatures[str][flags] = true; console.log(`ADDED ${str} <- ${flags}`); } } }); } for (var i = 0; i < signNames.length; i++) { var signature = signNames[i]; var flags = Object.getOwnPropertyNames(signatures[signature]); flags.sort(); var line = signature; if (flags.length) { var fstr = ""; if (flags[0] === "AVX") { fstr = "AVX1"; flags.splice(0, 1); } else if (flags[0] === "AVX2") { fstr = "AVX2"; flags.splice(0, 1); } if (flags.length) { if (!fstr) fstr = " "; fstr = StringUtils.padLeft(fstr, 5); fstr += flags.join(" "); } line = StringUtils.padLeft(line, 72); line += "// " + fstr; } out += line + "\n"; } console.log(out); } function genOpcodeH() { var asm = fs.readFileSync("../src/asmjit/x86/x86assembler.h", "utf8"); var list = ["AVX512_F", "AVX512_DQ", "AVX512_BW", "AVX512_CD", "AVX512_ER", "AVX512_PF", "AVX512_IFMA", "AVX512_VBMI"]; function getAVX512Flag(inst) { for (var cpu in inst.extensions) { if (list.indexOf(cpu) !== -1) { return inst.extensions["AVX512_VL"] ? cpu + "-VL" : cpu; } } return ""; } var out = ""; var signatures = Object.create(null); var signNames = []; const Encode = { "" : "", "xmm0" : "xmmA", "xmm1" : "xmmB", "xmm2" : "xmmC", "xmm3" : "xmmD", "ymm0" : "ymmA", "ymm1" : "ymmB", "ymm2" : "ymmC", "ymm3" : "ymmD", "zmm0" : "zmmA", "zmm1" : "zmmB", "zmm2" : "zmmC", "zmm3" : "zmmD", "r320" : "gpdA", "r321" : "gpdB", "r322" : "gpdC", "r323" : "gpdD", "r640" : "gpzA", "r641" : "gpzB", "r642" : "gpzC", "r643" : "gpzD", "k0" : "kA", "k1" : "kB", "k2" : "kC", "k3" : "kD", "m0" : "anyptr_gpA", "m1" : "anyptr_gpB", "m2" : "anyptr_gpC", "m3" : "anyptr_gpD", "vm32x0": "vx_ptr", "vm32x1": "vx_ptr", "vm32x2": "vx_ptr", "vm32x3": "vx_ptr", "vm32y0": "vy_ptr", "vm32y1": "vy_ptr", "vm32y2": "vy_ptr", "vm32y3": "vy_ptr", "vm32z0": "vz_ptr", "vm32z1": "vz_ptr", "vm32z2": "vz_ptr", "vm32z3": "vz_ptr" }; isa.forEach(function(name, inst) { if (getAVX512Flag(inst)) { var operands = inst.operands; var iops = []; var hasImm = -1; var hasMemReg = -1; var memReg = null; var flags = ""; var avx512Flags = []; if (inst.zmask) avx512Flags.push("kz"); else if (inst.kmask) avx512Flags.push("k"); if (inst.rnd) avx512Flags.push("er"); else if (inst.sae) avx512Flags.push("sae"); if (inst.broadcast) avx512Flags.push(`b${inst.elementSize}`); var flags = getAVX512Flag(inst); if (flags) { if (flags.indexOf("-VL") !== -1) flags = flags.substr(0, flags.length - 3) + (avx512Flags.length ? "{" + avx512Flags.join("|") + "}" : "") + "-VL"; else flags = flags + (avx512Flags.length ? "{" + avx512Flags.join("|") + "}" : ""); } else if (inst.extensions.AVX2) { flags = "AVX2"; } else if (inst.extensions.AVX) { flags = "AVX"; } else { flags = ""; } for (var j = 0; j < operands.length; j++) { var operand = operands[j]; var reg = operand.reg ? operand.reg + j : ""; var mem = operand.mem ? operand.mem + j : ""; if (reg && !Encode[reg]) console.log(`UNHANDLED REG ${reg}`); reg = Encode[reg]; if (mem) mem = Encode[mem] ? Encode[mem] : Encode["m" + j]; if (reg && mem) { hasMemReg = iops.length; memReg = [reg, mem]; iops.push("?"); } else if (reg) { iops.push(reg); } else if (mem) { iops.push(mem); } else if (operand.imm) { hasImm = iops.length; iops.push("0"); } else { console.log(`UNHANDLED OPERAND (instruction ${inst.name}`); } } var str = ` a.${name}(${iops.join(", ")});`; var insts = []; if (hasMemReg !== -1) { insts.push(str.replace("?", memReg[0])); insts.push(str.replace("?", memReg[1])); } else { insts.push(str); } for (var j = 0; j < insts.length; j++) { str = insts[j]; out += str + "\n"; } } }); console.log(out); } */