mirror of
https://github.com/asmjit/asmjit.git
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[abi] Added support for 32-bit ARM (WIP)
This commit is contained in:
kobalicek
417
tools/testgen-a32.js
Normal file
417
tools/testgen-a32.js
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@@ -0,0 +1,417 @@
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// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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"use strict";
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const core = require("./tablegen.js");
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const isa = new core.asmdb.aarch32.ISA();
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const LLVM_MC = "/home/petr/workspace/3rdparty/llvm-project-build/bin/llvm-mc";
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function lsbFromMul(mul) {
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for (let i = 0; i < 32; i++)
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if ((mul & (1 << i)) != 0)
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return i;
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return 32;
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}
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class TestsGenerator {
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constructor(isa) {
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this.isa = isa;
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}
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generate() {
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const child_process = require("child_process");
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const tests = {
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"gp": [],
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"vec": []
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};
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function flatten(inputArray) {
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const outputArray = [inputArray];
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let i = 0;
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while (i < outputArray.length) {
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let didFlatten = false;
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const items = outputArray[i];
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for (let j = 0; j < items.length; j++) {
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if (Array.isArray(items[j])) {
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const flattenedItems = [];
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for (let k = 0; k < items[j].length; k++) {
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const copy = items.slice();
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copy[j] = items[j][k];
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flattenedItems.push(copy);
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}
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outputArray.splice(i, 1, ...flattenedItems);
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didFlatten = true;
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break;
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}
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}
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i += Number(!didFlatten);
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}
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return outputArray;
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}
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function makeShiftOp(sop, op) {
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if (sop === "sop")
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return ["lsl " + op, "lsr " + op, "asr " + op, "ror " + op];
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else if (sop === "lsl_or_asr")
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return ["lsl " + op, "asr " + op];
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else
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return sop + " " + op;
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}
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function encodingFromText(s) {
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let m = s.match(/@\s*encoding\:\s*\[0x([\w]{2}),0x([\w]{2}),0x([\w]{2}),0x([\w]{2})\]/);
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if (m)
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return ('"' + m[1] + m[2] + m[3] + m[4] + '"').toUpperCase();
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else
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return null;
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}
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function codeFromInstruction(s) {
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s = s.trim();
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var sIdx = s.indexOf(" ");
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var name = s.substr(0, sIdx !== -1 ? sIdx : s.length).replace(/\./g, "_");
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var operands = s.substr(name.length).trim();
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var sops = operands.replace(/(v\d+)\.(\d+)?([a-z]+)\[(\d+)\]/g, "$1.$3$2($4)")
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.replace(/([d|s|q]\d+)\[(\d+)\]/g, "$1.at($2)")
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.replace(/\[(\w+),\s*[#]?([-]?\w+)\]!/g, "ptr_pre($1, $2)")
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.replace(/\[(\w+)\],\s*[#]?([-]?\w+)/g, "ptr_post($1, $2)")
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.replace(/\[(\w+),\s*[#]?([-]?\w+)\]/g, "ptr($1, $2)")
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.replace(/\[(\w+)\]/g, "ptr($1)")
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.replace(/\beq\b/g, "Cond::kEQ")
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.replace(/#((?:0x)?[-]?[\dA-Fa-f]+)\b/g, "$1")
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.replace(/(lsl|lsr|asr|ror)\s+([r]?\d+)/g, "$1($2)")
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.replace(/[{}]/g, "");
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if (name === "and")
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name = "and_";
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return name + "(" + sops + ")";
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}
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for (let inst of isa.instructions) {
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if (inst.encoding !== "A32")
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continue;
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let category = "gp";
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let elements = [""];
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const dt1Array = inst.dt.length ? inst.dt : ["any"];
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const dt2Array = inst.dt2.length ? inst.dt2 : ["any"];
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const dataTypes = [];
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for (let dt2 of dt2Array) {
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for (let dt1 of dt1Array) {
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if (dt2 !== "any")
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dataTypes.push(`.${dt1}.${dt2}`);
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else if (dt1 !== "any")
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dataTypes.push(`.${dt1}`);
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else
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dataTypes.push(``);
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}
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}
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for (let dataType of dataTypes) {
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let instruction = inst.name + dataType;
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let ops = [];
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let proceed = true;
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for (let i = 0; i < inst.operands.length; i++) {
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const operand = inst.operands[i];
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let regId = i + 1;
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if (/^(ldaexd|ldrd|ldrexd|strd)$/.test(inst.name)) {
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regId--;
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}
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else if (/^(stlexd|strexd)$/.test(inst.name)) {
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if (i == 0)
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regId = 7;
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else
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regId = i - 1;
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}
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switch (operand.type) {
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case "reg": {
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if (operand.regType === "r" && operand.shiftOp) {
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ops.push(makeShiftOp(operand.shiftOp, `r${i + 1}`));
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}
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else if (operand.regType === "r") {
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ops.push(`r${regId}`);
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}
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else if (operand.regType === "s") {
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ops.push(`s${regId}`);
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category = "vec";
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}
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else if (operand.regType === "d") {
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ops.push(`d${regId}`);
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category = "vec";
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}
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else if (operand.regType === "v") {
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ops.push(`q${regId}`);
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category = "vec";
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}
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else {
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proceed = false;
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}
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if (operand.element) {
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ops[ops.length - 1] += "[@element@]";
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switch (dataType) {
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case ".8":
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case ".s8":
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case ".u8":
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elements = [0, 1, 2, 3, 4, 5, 6, 7];
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break;
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case ".16":
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case ".s16":
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case ".u16":
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case ".f16":
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if (inst.name === "vcmla" || inst.name === "vfmsl" || inst.name === "vfmal")
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elements = [0, 1];
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else
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elements = [0, 1, 2, 3];
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break;
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case ".32":
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case ".s32":
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case ".u32":
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case ".f32":
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if (inst.name === "vcmla")
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elements = [0];
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else
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elements = [0, 1];
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break;
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case ".64":
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case ".s64":
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case ".u64":
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case ".f64":
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elements = [0, 1];
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break;
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case ".bf16":
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if (inst.name === "vdot")
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elements = [0, 1];
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else
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elements = [0, 1, 2, 3];
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break;
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}
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}
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break;
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}
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case "imm": {
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if (inst.name === "vcadd")
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ops.push(["#90", "#270"]);
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else if (inst.name === "vcmla")
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ops.push(["#0", "#90", "#180", "#270"]);
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else if (operand.shiftOp)
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ops.push(makeShiftOp(operand.shiftOp, "#8"));
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else if (operand.imm === "zero")
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ops.push("#0");
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else if (operand.imm === "immA")
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ops.push(["#0xFF", "0xFF00", "0xFF000000", "0xF000000F"]);
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else if (operand.imm === "immZ")
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ops.push("#1");
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else if (operand.imm === "immV" && instruction.endsWith("16"))
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ops.push(["#0x1F", "#0x80", "#0xFF", "0x1F00", "0xFF00"]);
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else if (operand.imm === "immV" && instruction.endsWith("32"))
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ops.push(["#0x1F", "#0x80", "#0xFF", "0x1F00", "0xFF00", "0x1F0000", "0xFF0000", "0xFF000000", "0xFFFF0000", "0x0000FFFF", "0xFFFFFF00", "0x00FFFFFF", "0xC0F00000"]);
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else if (operand.imm === "immV" && instruction.endsWith("64"))
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ops.push(["#00FFFF0000000000", "#0xFF00FF0000000000", "#0x00000000FFFFFFFF"]);
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else if (operand.imm === "lsb")
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ops.push("#3");
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else if (operand.imm === "width")
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ops.push("#5");
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else if (operand.imm === "sat")
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ops.push("#8");
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else if (operand.imm === "imm")
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ops.push("#0");
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else if (operand.imm === "n")
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ops.push("#3");
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else
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proceed = false;
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break;
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}
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case "mem": {
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const combinations = [];
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var off = "4";
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if (operand.offset && operand.offset.exp) {
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const e = operand.offset.exp;
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if (e.op === "==") {
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off = e.right.toString();
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if (off.indexOf("sz") !== -1 && dataType) {
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const sz = dataType.match(/(\d+)/);
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off = eval(off.replace("sz", parseInt(lsbFromMul(sz[1] / 8))));
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}
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}
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}
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if (operand.memModes.offset) {
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if (operand.index)
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combinations.push(`[r${regId}, r${regId + 1}]`);
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else if (operand.offset)
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combinations.push(`[r${regId}, #${off}]`);
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else
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combinations.push(`[r${regId}]`);
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}
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if (operand.memModes.preIndex) {
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if (operand.index)
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combinations.push(`[r${regId}, r${regId + 1}]!`);
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else if (operand.offset)
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combinations.push(`[r${regId}, #${off}]!`);
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}
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if (operand.memModes.postIndex) {
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if (operand.index)
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combinations.push(`[r${regId}], r${regId + 1}`);
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else if (operand.offset)
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combinations.push(`[r${regId}], #${off}`);
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}
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ops.push(combinations);
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break;
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}
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default: {
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proceed = false;
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break;
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}
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}
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}
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if (!proceed) {
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console.log(`IGNORING: ${inst.name}`);
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continue;
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}
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const opsArray = flatten(ops);
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const args = [
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"--arch=arm",
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"-mattr=+v8.5a",
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"-mattr=+aes",
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"-mattr=+bf16",
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"-mattr=+crc",
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"-mattr=+crypto",
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"-mattr=+hwdiv-arm",
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"-mattr=+fp16fml",
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"-mattr=+fullfp16",
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"-mattr=+i8mm",
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"-mattr=+mp",
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"-mattr=+trustzone",
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"-mattr=+virtualization",
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"-show-encoding",
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"-output-asm-variant=0"
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];
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for (let element of elements) {
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for (let opsRow of opsArray) {
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let line = instruction;
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opsRow = opsRow.map(function(s) { return s.replace("@element@", element) });
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let o = opsRow.slice();
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switch (inst.name) {
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case "pop":
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case "push": {
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o[0] = "{" + o[0];
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o[o.length - 1] += "}";
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break;
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}
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case "vcls": {
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line = line.replace(".u", ".s");
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break;
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}
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case "vtbx":
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case "vtbl": {
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o[1] = "{" + o[1];
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o[o.length - 2] += "}";
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break;
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}
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case "rfe":
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case "rfeda":
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case "rfedb":
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case "rfeib": {
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o[0] = o[0].replace(/[\[\]]/g, "");
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break;
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}
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case "vld1r":
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case "vld2r":
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case "vld3r":
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case "vld4r": {
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line = line.replace("vld1r", "vld1")
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.replace("vld2r", "vld2")
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.replace("vld3r", "vld3")
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.replace("vld4r", "vld4");
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for (let i = 0; i < o.length - 1; i++)
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o[i] += "[]";
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// fallthrough;
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}
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case "vld1":
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case "vld2":
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case "vld3":
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case "vld4":
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case "vst1":
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case "vst2":
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case "vst3":
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case "vst4": {
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o[o.length - 1] = o[o.length - 1].replace(/,\s*#\d+$/g, "!");
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o[0] = "{" + o[0];
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o[o.length - 2] += "}";
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break;
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}
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}
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try {
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const out = child_process.execFileSync(LLVM_MC, args, {
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input: line + " " + o.join(", "),
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encoding: "utf-8"
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});
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const encoding = encodingFromText(out);
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const code = codeFromInstruction(instruction + " " + opsRow.join(", "));
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tests[category].push(`TEST_INSTRUCTION(${encoding}, ${code});`);
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}
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catch (ex) {
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console.log(`FATAL: ${line} ${opsRow.join(", ")}`);
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}
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}
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}
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}
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}
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console.log("static void ASMJIT_NOINLINE testA32AssemblerGp(AssemblerTester<a32::Assembler>& tester) noexcept {");
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console.log(" using namespace a32;");
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console.log("");
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for (let test of tests.gp) {
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console.log(" " + test);
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}
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console.log("}");
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console.log("");
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console.log("static void ASMJIT_NOINLINE testA32AssemblerVec(AssemblerTester<a32::Assembler>& tester) noexcept {");
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console.log(" using namespace a32;");
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console.log("");
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for (let test of tests.vec)
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console.log(" " + test);
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console.log("}");
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}
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}
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new TestsGenerator(isa).generate();
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Block a user