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test/compiler/6896617/Test6896617.java@dbb05f6d93c4 (annotated)

test/compiler/6896617/Test6896617.java

Mon, 28 Jul 2014 15:06:38 -0700

author

fzhinkin

date

Mon, 28 Jul 2014 15:06:38 -0700

changeset 6997

dbb05f6d93c4

parent 0

f90c822e73f8

permissions

-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 6896617
aoqi@0	27	* @summary Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() with SSE instructions on x86
aoqi@0	28	* @run main/othervm/timeout=1200 -Xbatch -Xmx256m Test6896617
aoqi@0	29	*
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import java.util.*;
aoqi@0	33	import java.nio.*;
aoqi@0	34	import java.nio.charset.*;
aoqi@0	35
aoqi@0	36	public class Test6896617 {
aoqi@0	37	final static int SIZE = 256;
aoqi@0	38
aoqi@0	39	public static void main(String[] args) {
aoqi@0	40	String csn = "ISO-8859-1";
aoqi@0	41	Charset cs = Charset.forName(csn);
aoqi@0	42	CharsetEncoder enc = cs.newEncoder();
aoqi@0	43	enc.onMalformedInput(CodingErrorAction.REPLACE)
aoqi@0	44	.onUnmappableCharacter(CodingErrorAction.REPLACE);
aoqi@0	45	CharsetDecoder dec = cs.newDecoder();
aoqi@0	46	dec.onMalformedInput(CodingErrorAction.REPLACE)
aoqi@0	47	.onUnmappableCharacter(CodingErrorAction.REPLACE);
aoqi@0	48
aoqi@0	49	byte repl = (byte)'?';
aoqi@0	50	enc.replaceWith(new byte[] { repl });
aoqi@0	51
aoqi@0	52	// Use internal API for tests.
aoqi@0	53	sun.nio.cs.ArrayEncoder arrenc = (sun.nio.cs.ArrayEncoder)enc;
aoqi@0	54	sun.nio.cs.ArrayDecoder arrdec = (sun.nio.cs.ArrayDecoder)dec;
aoqi@0	55
aoqi@0	56	// Populate char[] with chars which can be encoded by ISO_8859_1 (<= 0xFF)
aoqi@0	57	Random rnd = new Random(0);
aoqi@0	58	int maxchar = 0xFF;
aoqi@0	59	char[] a = new char[SIZE];
aoqi@0	60	byte[] b = new byte[SIZE];
aoqi@0	61	char[] at = new char[SIZE];
aoqi@0	62	byte[] bt = new byte[SIZE];
aoqi@0	63	for (int i = 0; i < SIZE; i++) {
aoqi@0	64	char c = (char) rnd.nextInt(maxchar);
aoqi@0	65	if (!enc.canEncode(c)) {
aoqi@0	66	System.out.printf("Something wrong: can't encode c=%03x\n", (int)c);
aoqi@0	67	System.exit(97);
aoqi@0	68	}
aoqi@0	69	a[i] = c;
aoqi@0	70	b[i] = (byte)c;
aoqi@0	71	at[i] = (char)-1;
aoqi@0	72	bt[i] = (byte)-1;
aoqi@0	73	}
aoqi@0	74	if (arrenc.encode(a, 0, SIZE, bt) != SIZE || !Arrays.equals(b, bt)) {
aoqi@0	75	System.out.println("Something wrong: ArrayEncoder.encode failed");
aoqi@0	76	System.exit(97);
aoqi@0	77	}
aoqi@0	78	if (arrdec.decode(b, 0, SIZE, at) != SIZE || !Arrays.equals(a, at)) {
aoqi@0	79	System.out.println("Something wrong: ArrayDecoder.decode failed");
aoqi@0	80	System.exit(97);
aoqi@0	81	}
aoqi@0	82	for (int i = 0; i < SIZE; i++) {
aoqi@0	83	at[i] = (char)-1;
aoqi@0	84	bt[i] = (byte)-1;
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	ByteBuffer bb = ByteBuffer.wrap(b);
aoqi@0	88	CharBuffer ba = CharBuffer.wrap(a);
aoqi@0	89	ByteBuffer bbt = ByteBuffer.wrap(bt);
aoqi@0	90	CharBuffer bat = CharBuffer.wrap(at);
aoqi@0	91	if (!enc.encode(ba, bbt, true).isUnderflow() || !Arrays.equals(b, bt)) {
aoqi@0	92	System.out.println("Something wrong: Encoder.encode failed");
aoqi@0	93	System.exit(97);
aoqi@0	94	}
aoqi@0	95	if (!dec.decode(bb, bat, true).isUnderflow() || !Arrays.equals(a, at)) {
aoqi@0	96	System.out.println("Something wrong: Decoder.decode failed");
aoqi@0	97	System.exit(97);
aoqi@0	98	}
aoqi@0	99	for (int i = 0; i < SIZE; i++) {
aoqi@0	100	at[i] = (char)-1;
aoqi@0	101	bt[i] = (byte)-1;
aoqi@0	102	}
aoqi@0	103
aoqi@0	104	// Warm up
aoqi@0	105	boolean failed = false;
aoqi@0	106	int result = 0;
aoqi@0	107	for (int i = 0; i < 10000; i++) {
aoqi@0	108	result += arrenc.encode(a, 0, SIZE, bt);
aoqi@0	109	result -= arrdec.decode(b, 0, SIZE, at);
aoqi@0	110	}
aoqi@0	111	for (int i = 0; i < 10000; i++) {
aoqi@0	112	result += arrenc.encode(a, 0, SIZE, bt);
aoqi@0	113	result -= arrdec.decode(b, 0, SIZE, at);
aoqi@0	114	}
aoqi@0	115	for (int i = 0; i < 10000; i++) {
aoqi@0	116	result += arrenc.encode(a, 0, SIZE, bt);
aoqi@0	117	result -= arrdec.decode(b, 0, SIZE, at);
aoqi@0	118	}
aoqi@0	119	if (result != 0 || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) {
aoqi@0	120	failed = true;
aoqi@0	121	System.out.println("Failed: ArrayEncoder.encode char[" + SIZE + "] and ArrayDecoder.decode byte[" + SIZE + "]");
aoqi@0	122	}
aoqi@0	123	for (int i = 0; i < SIZE; i++) {
aoqi@0	124	at[i] = (char)-1;
aoqi@0	125	bt[i] = (byte)-1;
aoqi@0	126	}
aoqi@0	127
aoqi@0	128	boolean is_underflow = true;
aoqi@0	129	for (int i = 0; i < 10000; i++) {
aoqi@0	130	ba.clear(); bb.clear(); bat.clear(); bbt.clear();
aoqi@0	131	boolean enc_res = enc.encode(ba, bbt, true).isUnderflow();
aoqi@0	132	boolean dec_res = dec.decode(bb, bat, true).isUnderflow();
aoqi@0	133	is_underflow = is_underflow && enc_res && dec_res;
aoqi@0	134	}
aoqi@0	135	for (int i = 0; i < SIZE; i++) {
aoqi@0	136	at[i] = (char)-1;
aoqi@0	137	bt[i] = (byte)-1;
aoqi@0	138	}
aoqi@0	139	for (int i = 0; i < 10000; i++) {
aoqi@0	140	ba.clear(); bb.clear(); bat.clear(); bbt.clear();
aoqi@0	141	boolean enc_res = enc.encode(ba, bbt, true).isUnderflow();
aoqi@0	142	boolean dec_res = dec.decode(bb, bat, true).isUnderflow();
aoqi@0	143	is_underflow = is_underflow && enc_res && dec_res;
aoqi@0	144	}
aoqi@0	145	for (int i = 0; i < SIZE; i++) {
aoqi@0	146	at[i] = (char)-1;
aoqi@0	147	bt[i] = (byte)-1;
aoqi@0	148	}
aoqi@0	149	for (int i = 0; i < 10000; i++) {
aoqi@0	150	ba.clear(); bb.clear(); bat.clear(); bbt.clear();
aoqi@0	151	boolean enc_res = enc.encode(ba, bbt, true).isUnderflow();
aoqi@0	152	boolean dec_res = dec.decode(bb, bat, true).isUnderflow();
aoqi@0	153	is_underflow = is_underflow && enc_res && dec_res;
aoqi@0	154	}
aoqi@0	155	if (!is_underflow || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) {
aoqi@0	156	failed = true;
aoqi@0	157	System.out.println("Failed: Encoder.encode char[" + SIZE + "] and Decoder.decode byte[" + SIZE + "]");
aoqi@0	158	}
aoqi@0	159
aoqi@0	160	// Test encoder with different source and destination sizes
aoqi@0	161	System.out.println("Testing different source and destination sizes");
aoqi@0	162	for (int i = 1; i <= SIZE; i++) {
aoqi@0	163	for (int j = 1; j <= SIZE; j++) {
aoqi@0	164	bt = new byte[j];
aoqi@0	165	// very source's SIZE
aoqi@0	166	result = arrenc.encode(a, 0, i, bt);
aoqi@0	167	int l = Math.min(i, j);
aoqi@0	168	if (result != l) {
aoqi@0	169	failed = true;
aoqi@0	170	System.out.println("Failed: encode char[" + i + "] to byte[" + j + "]: result = " + result + ", expected " + l);
aoqi@0	171	}
aoqi@0	172	for (int k = 0; k < l; k++) {
aoqi@0	173	if (bt[k] != b[k]) {
aoqi@0	174	failed = true;
aoqi@0	175	System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]);
aoqi@0	176	}
aoqi@0	177	}
aoqi@0	178	// very source's offset
aoqi@0	179	int sz = SIZE - i + 1;
aoqi@0	180	result = arrenc.encode(a, i-1, sz, bt);
aoqi@0	181	l = Math.min(sz, j);
aoqi@0	182	if (result != l) {
aoqi@0	183	failed = true;
aoqi@0	184	System.out.println("Failed: encode char[" + sz + "] to byte[" + j + "]: result = " + result + ", expected " + l);
aoqi@0	185	}
aoqi@0	186	for (int k = 0; k < l; k++) {
aoqi@0	187	if (bt[k] != b[i+k-1]) {
aoqi@0	188	failed = true;
aoqi@0	189	System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[i+k-1]);
aoqi@0	190	}
aoqi@0	191	}
aoqi@0	192	}
aoqi@0	193	}
aoqi@0	194
aoqi@0	195	// Test encoder with char > 0xFF
aoqi@0	196	System.out.println("Testing big char");
aoqi@0	197
aoqi@0	198	byte orig = (byte)'A';
aoqi@0	199	bt = new byte[SIZE];
aoqi@0	200	for (int i = 1; i <= SIZE; i++) {
aoqi@0	201	for (int j = 0; j < i; j++) {
aoqi@0	202	a[j] += 0x100;
aoqi@0	203	// make sure to replace a different byte
aoqi@0	204	bt[j] = orig;
aoqi@0	205	result = arrenc.encode(a, 0, i, bt);
aoqi@0	206	if (result != i) {
aoqi@0	207	failed = true;
aoqi@0	208	System.out.println("Failed: encode char[" + i + "] to byte[" + i + "]: result = " + result + ", expected " + i);
aoqi@0	209	}
aoqi@0	210	if (bt[j] != repl) {
aoqi@0	211	failed = true;
aoqi@0	212	System.out.println("Failed: encoded replace byte[" + j + "] (" + bt[j] + ") != " + repl);
aoqi@0	213	}
aoqi@0	214	bt[j] = b[j]; // Restore to compare whole array
aoqi@0	215	for (int k = 0; k < i; k++) {
aoqi@0	216	if (bt[k] != b[k]) {
aoqi@0	217	failed = true;
aoqi@0	218	System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]);
aoqi@0	219	}
aoqi@0	220	}
aoqi@0	221	a[j] -= 0x100; // Restore
aoqi@0	222	}
aoqi@0	223	}
aoqi@0	224
aoqi@0	225	// Test sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() performance.
aoqi@0	226
aoqi@0	227	int itrs = Integer.getInteger("iterations", 1000000);
aoqi@0	228	int size = Integer.getInteger("size", 256);
aoqi@0	229	a = new char[size];
aoqi@0	230	b = new byte[size];
aoqi@0	231	bt = new byte[size];
aoqi@0	232	for (int i = 0; i < size; i++) {
aoqi@0	233	char c = (char) rnd.nextInt(maxchar);
aoqi@0	234	if (!enc.canEncode(c)) {
aoqi@0	235	System.out.printf("Something wrong: can't encode c=%03x\n", (int)c);
aoqi@0	236	System.exit(97);
aoqi@0	237	}
aoqi@0	238	a[i] = c;
aoqi@0	239	b[i] = (byte)-1;
aoqi@0	240	bt[i] = (byte)c;
aoqi@0	241	}
aoqi@0	242	ba = CharBuffer.wrap(a);
aoqi@0	243	bb = ByteBuffer.wrap(b);
aoqi@0	244	boolean enc_res = enc.encode(ba, bb, true).isUnderflow();
aoqi@0	245	if (!enc_res || !Arrays.equals(b, bt)) {
aoqi@0	246	failed = true;
aoqi@0	247	System.out.println("Failed 1: Encoder.encode char[" + size + "]");
aoqi@0	248	}
aoqi@0	249	for (int i = 0; i < size; i++) {
aoqi@0	250	b[i] = (byte)-1;
aoqi@0	251	}
aoqi@0	252
aoqi@0	253	// Make sure to recompile method if needed before performance run.
aoqi@0	254	for (int i = 0; i < 10000; i++) {
aoqi@0	255	ba.clear(); bb.clear();
aoqi@0	256	enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow();
aoqi@0	257	}
aoqi@0	258	for (int i = 0; i < size; i++) {
aoqi@0	259	b[i] = (byte)-1;
aoqi@0	260	}
aoqi@0	261	for (int i = 0; i < 10000; i++) {
aoqi@0	262	ba.clear(); bb.clear();
aoqi@0	263	enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow();
aoqi@0	264	}
aoqi@0	265	if (!enc_res || !Arrays.equals(b, bt)) {
aoqi@0	266	failed = true;
aoqi@0	267	System.out.println("Failed 2: Encoder.encode char[" + size + "]");
aoqi@0	268	}
aoqi@0	269	for (int i = 0; i < size; i++) {
aoqi@0	270	b[i] = (byte)-1;
aoqi@0	271	}
aoqi@0	272
aoqi@0	273	System.out.println("Testing ISO_8859_1$Encode.encodeArrayLoop() performance");
aoqi@0	274	long start = System.currentTimeMillis();
aoqi@0	275	for (int i = 0; i < itrs; i++) {
aoqi@0	276	ba.clear(); bb.clear();
aoqi@0	277	enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow();
aoqi@0	278	}
aoqi@0	279	long end = System.currentTimeMillis();
aoqi@0	280	if (!enc_res || !Arrays.equals(b, bt)) {
aoqi@0	281	failed = true;
aoqi@0	282	System.out.println("Failed 3: Encoder.encode char[" + size + "]");
aoqi@0	283	} else {
aoqi@0	284	System.out.println("size: " + size + " time: " + (end - start));
aoqi@0	285	}
aoqi@0	286
aoqi@0	287	// Test sun.nio.cs.ISO_8859_1$Encode.encode() performance.
aoqi@0	288
aoqi@0	289	// Make sure to recompile method if needed before performance run.
aoqi@0	290	result = 0;
aoqi@0	291	for (int i = 0; i < size; i++) {
aoqi@0	292	b[i] = (byte)-1;
aoqi@0	293	}
aoqi@0	294	for (int i = 0; i < 10000; i++) {
aoqi@0	295	result += arrenc.encode(a, 0, size, b);
aoqi@0	296	}
aoqi@0	297	for (int i = 0; i < size; i++) {
aoqi@0	298	b[i] = (byte)-1;
aoqi@0	299	}
aoqi@0	300	for (int i = 0; i < 10000; i++) {
aoqi@0	301	result += arrenc.encode(a, 0, size, b);
aoqi@0	302	}
aoqi@0	303	if (result != size*20000 || !Arrays.equals(b, bt)) {
aoqi@0	304	failed = true;
aoqi@0	305	System.out.println("Failed 1: ArrayEncoder.encode char[" + SIZE + "]");
aoqi@0	306	}
aoqi@0	307	for (int i = 0; i < size; i++) {
aoqi@0	308	b[i] = (byte)-1;
aoqi@0	309	}
aoqi@0	310
aoqi@0	311	System.out.println("Testing ISO_8859_1$Encode.encode() performance");
aoqi@0	312	result = 0;
aoqi@0	313	start = System.currentTimeMillis();
aoqi@0	314	for (int i = 0; i < itrs; i++) {
aoqi@0	315	result += arrenc.encode(a, 0, size, b);
aoqi@0	316	}
aoqi@0	317	end = System.currentTimeMillis();
aoqi@0	318	if (!Arrays.equals(b, bt)) {
aoqi@0	319	failed = true;
aoqi@0	320	System.out.println("Failed 2: ArrayEncoder.encode char[" + size + "]");
aoqi@0	321	} else {
aoqi@0	322	System.out.println("size: " + size + " time: " + (end - start));
aoqi@0	323	}
aoqi@0	324
aoqi@0	325	if (failed) {
aoqi@0	326	System.out.println("FAILED");
aoqi@0	327	System.exit(97);
aoqi@0	328	}
aoqi@0	329	System.out.println("PASSED");
aoqi@0	330	}
aoqi@0	331	}