Added CodeCompiler::newSimilarReg, merged generate-xxx tools from next-wip branch, changed pcmpgtq to be in SSE4.2 group

tools/generate-arm.js

@@ -0,0 +1,207 @@
+// [Generate-ARM]
+//
+// 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;
+
+// ----------------------------------------------------------------------------
+// [ArmDB]
+// ----------------------------------------------------------------------------
+
+// Create the ARM database.
+const arm = base.asmdb.arm;
+const isa = new arm.ISA();
+
+console.log(
+  isa.query({
+    filter: function(inst) {
+      return !!inst.extensions.ASIMD;
+    }
+  })
+);
+
+//console.log(JSON.stringify(isa.instructionMap, null, 2));
+
+// ----------------------------------------------------------------------------
+// [GenUtils]
+// ----------------------------------------------------------------------------
+
+class GenUtils {
+  // Get a list of instructions based on `name` and optional `mode`.
+  static instsOf(name, mode) {
+    const insts = isa.query(name);
+    return !mode ? insts : insts.filter(function(inst) { return inst.arch === mode; });
+  }
+
+  static archOf(group) {
+    var t16Arch = false;
+    var t32Arch = false;
+    var a32Arch = false;
+    var a64Arch = false;
+
+    for (var i = 0; i < group.length; i++) {
+      const inst = group[i];
+      if (inst.encoding === "T16") t16Arch = true;
+      if (inst.encoding === "T32") t32Arch = true;
+      if (inst.encoding === "A32") a32Arch = true;
+      if (inst.encoding === "A64") a64Arch = true;
+    }
+
+    var s = (t16Arch && !t32Arch) ? "T16" :
+            (t32Arch && !t16Arch) ? "T32" :
+            (t16Arch &&  t32Arch) ? "Txx" : "---";
+    s += " ";
+    s += (a32Arch) ? "A32" : "---";
+    s += " ";
+    s += (a64Arch) ? "A64" : "---";
+
+    return `[${s}]`;
+  }
+
+  static featuresOf(group) {
+    const exts = Object.create(null);
+    for (var i = 0; i < group.length; i++) {
+      const inst = group[i];
+      for (var k in inst.extensions)
+        exts[k] = true;
+    }
+    const arr =  Object.keys(exts);
+    arr.sort();
+    return arr;
+  }
+}
+
+// ----------------------------------------------------------------------------
+// [ArmGenerator]
+// ----------------------------------------------------------------------------
+
+class ArmGenerator extends base.BaseGenerator {
+  constructor() {
+    super("Arm");
+
+    this.load([
+      "src/asmjit/arm/arminst.cpp",
+      "src/asmjit/arm/arminst.h"
+    ]);
+  }
+
+  // --------------------------------------------------------------------------
+  // [Parse]
+  // --------------------------------------------------------------------------
+
+  parse() {
+    this.addInst({
+      id: 0,
+      name: "",
+      enum: "None"
+    });
+
+    var names = isa.instructionNames;
+    for (var i = 0; i < names.length; i++) {
+      const name = names[i];
+
+      const enum_ = StringUtils.upFirst(name);
+      const insts = GenUtils.instsOf(names[i]);
+
+      this.addInst({
+        id            : 0,             // Instruction id (numeric value).
+        name          : name,          // Instruction name.
+        enum          : enum_,         // Instruction enum without `kId` prefix.
+
+        familyType    : "kFamilyNone", // Family type.
+        familyIndex   : 0,             // Index to a family-specific data.
+
+        nameIndex     : -1,            // Instruction name-index.
+        commonIndex   : -1
+      });
+    }
+
+    console.log("Number of Instructions: " + this.instArray.length);
+  }
+
+  // --------------------------------------------------------------------------
+  // [Generate]
+  // --------------------------------------------------------------------------
+
+  generate() {
+    // Order doesn't matter here.
+    this.generateIdData();
+    this.generateNameData();
+
+    // These must be last, and order matters.
+    this.generateCommonData();
+    this.generateInstData();
+
+    return this;
+  }
+
+  // --------------------------------------------------------------------------
+  // [Generate - CommonData]
+  // --------------------------------------------------------------------------
+
+  generateCommonData() {
+    const table = new base.IndexedArray();
+    for (var i = 0; i < this.instArray.length; i++) {
+      const inst = this.instArray[i];
+
+      const item = "{ " + StringUtils.padLeft("0", 1) + "}";
+      inst.commonIndex = table.addIndexed(item);
+    }
+
+    var s = `const ArmInst::CommonData ArmInstDB::commonData[] = {\n${StringUtils.format(table, kIndent, true)}\n};\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   , 23) + ", " +
+        StringUtils.padLeft(inst.opcode0    , 26) + ", " +
+        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.instsOf(name);
+    if (!insts) return "";
+
+    var features = GenUtils.featuresOf(insts);
+    var comment = GenUtils.archOf(insts);
+
+    if (features.length)
+      comment += " {" + features.join("|") + "}";
+
+    return comment;
+  }
+}
+
+// ----------------------------------------------------------------------------
+// [Main]
+// ----------------------------------------------------------------------------
+
+function main() {
+  const gen = new ArmGenerator();
+
+  gen.parse();
+  gen.generate();
+  gen.dumpTableSizes();
+  gen.save();
+}
+main();