Mercurial > hg > truffle
view test/compiler/intrinsics/mathexact/Verify.java @ 13443:ad45ebfba060
8028122: [TESTBUG] compiler/regalloc/C1ObjectSpillInLogicOp.java
Reviewed-by: kvn, twisti
author | iignatyev |
---|---|
date | Wed, 11 Dec 2013 01:04:34 +0400 |
parents | 59e8ad757e19 |
children | cd5d10655495 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ public class Verify { public static String throwWord(boolean threw) { return (threw ? "threw" : "didn't throw"); } public static void verifyResult(UnaryMethod method, int result1, int result2, boolean exception1, boolean exception2, int value) { if (exception1 != exception2) { throw new RuntimeException("Intrinsic version [" + method.name() + "]" + throwWord(exception1) + " exception, NonIntrinsic version" + throwWord(exception2) + " for: " + value); } if (result1 != result2) { throw new RuntimeException("Intrinsic version [" + method.name() + "] returned: " + result1 + " while NonIntrinsic version returned: " + result2); } } public static void verifyResult(UnaryLongMethod method, long result1, long result2, boolean exception1, boolean exception2, long value) { if (exception1 != exception2) { throw new RuntimeException("Intrinsic version [" + method.name() + "]" + throwWord(exception1) + " exception, NonIntrinsic version" + throwWord(exception2) + " for: " + value); } if (result1 != result2) { throw new RuntimeException("Intrinsic version [" + method.name() + "] returned: " + result1 + " while NonIntrinsic version returned: " + result2); } } private static void verifyResult(BinaryMethod method, int result1, int result2, boolean exception1, boolean exception2, int a, int b) { if (exception1 != exception2) { throw new RuntimeException("Intrinsic version [" + method.name() + "]" + throwWord(exception1) + " exception, NonIntrinsic version " + throwWord(exception2) + " for: " + a + " + " + b); } if (result1 != result2) { throw new RuntimeException("Intrinsic version [" + method.name() + "] returned: " + result1 + " while NonIntrinsic version returned: " + result2); } } private static void verifyResult(BinaryLongMethod method, long result1, long result2, boolean exception1, boolean exception2, long a, long b) { if (exception1 != exception2) { throw new RuntimeException("Intrinsic version [" + method.name() + "]" + throwWord(exception1) + " exception, NonIntrinsic version " + throwWord(exception2) + " for: " + a + " + " + b); } if (result1 != result2) { throw new RuntimeException("Intrinsic version [" + method.name() + "] returned: " + result1 + " while NonIntrinsic version returned: " + result2); } } public static void verifyUnary(int a, UnaryMethod method) { boolean exception1 = false, exception2 = false; int result1 = 0, result2 = 0; try { result1 = method.checkMethod(a); } catch (ArithmeticException e) { exception1 = true; } try { result2 = method.safeMethod(a); } catch (ArithmeticException e) { exception2 = true; } verifyResult(method, result1, result2, exception1, exception2, a); } public static void verifyUnary(long a, UnaryLongMethod method) { boolean exception1 = false, exception2 = false; long result1 = 0, result2 = 0; try { result1 = method.checkMethod(a); } catch (ArithmeticException e) { exception1 = true; } try { result2 = method.safeMethod(a); } catch (ArithmeticException e) { exception2 = true; } verifyResult(method, result1, result2, exception1, exception2, a); } public static void verifyBinary(int a, int b, BinaryMethod method) { boolean exception1 = false, exception2 = false; int result1 = 0, result2 = 0; try { result1 = method.checkMethod(a, b); } catch (ArithmeticException e) { exception1 = true; } try { result2 = method.safeMethod(a, b); } catch (ArithmeticException e) { exception2 = true; } verifyResult(method, result1, result2, exception1, exception2, a, b); } public static void verifyBinary(long a, long b, BinaryLongMethod method) { boolean exception1 = false, exception2 = false; long result1 = 0, result2 = 0; try { result1 = method.checkMethod(a, b); } catch (ArithmeticException e) { exception1 = true; } try { result2 = method.safeMethod(a, b); } catch (ArithmeticException e) { exception2 = true; } verifyResult(method, result1, result2, exception1, exception2, a, b); } public static class LoadTest { public static java.util.Random rnd = new java.util.Random(); public static int[] values = new int[256]; public static void init() { for (int i = 0; i < values.length; ++i) { values[i] = rnd.nextInt(); } } public static void verify(BinaryMethod method) { for (int i = 0; i < 50000; ++i) { Verify.verifyBinary(values[i & 255], values[i & 255] - i, method); Verify.verifyBinary(values[i & 255] + i, values[i & 255] - i, method); Verify.verifyBinary(values[i & 255], values[i & 255], method); if ((i & 1) == 1 && i > 5) { Verify.verifyBinary(values[i & 255] + i, values[i & 255] - i, method); } else { Verify.verifyBinary(values[i & 255] - i, values[i & 255] + i, method); } Verify.verifyBinary(values[i & 255], values[(i + 1) & 255], method); } } } public static class NonConstantTest { public static java.util.Random rnd = new java.util.Random(); public static void verify(BinaryMethod method) { for (int i = 0; i < 50000; ++i) { int rnd1 = rnd.nextInt(), rnd2 = rnd.nextInt(); Verify.verifyBinary(rnd1, rnd2, method); Verify.verifyBinary(rnd1, rnd2 + 1, method); Verify.verifyBinary(rnd1 + 1, rnd2, method); Verify.verifyBinary(rnd1 - 1, rnd2, method); Verify.verifyBinary(rnd1, rnd2 - 1, method); } } } public static class NonConstantLongTest { public static long[] values = { Long.MIN_VALUE, Long.MAX_VALUE, 0, Long.MAX_VALUE - 1831 }; public static java.util.Random rnd = new java.util.Random(); public static void verify(BinaryLongMethod method) { for (int i = 0; i < 50000; ++i) { long rnd1 = rnd.nextLong(), rnd2 = rnd.nextLong(); Verify.verifyBinary(rnd1, rnd2, method); Verify.verifyBinary(rnd1, rnd2 + 1, method); Verify.verifyBinary(rnd1 + 1, rnd2, method); Verify.verifyBinary(rnd1 - 1, rnd2, method); Verify.verifyBinary(rnd1, rnd2 - 1, method); Verify.verifyBinary(rnd1 + Long.MAX_VALUE - rnd2, rnd2 + 1, method); Verify.verifyBinary(values[0], values[2], method); Verify.verifyBinary(values[1], values[2], method); Verify.verifyBinary(values[3], 74L, method); } } } public static class LoopDependentTest { public static java.util.Random rnd = new java.util.Random(); public static void verify(BinaryMethod method) { int rnd1 = rnd.nextInt(), rnd2 = rnd.nextInt(); runTest(rnd1, rnd2, method); } private static void runTest(int rnd1, int rnd2, BinaryMethod method) { for (int i = 0; i < 50000; ++i) { Verify.verifyBinary(rnd1 + i, rnd2 + i, method); Verify.verifyBinary(rnd1 + i, rnd2 + (i & 0xff), method); Verify.verifyBinary(rnd1 - i, rnd2 - (i & 0xff), method); Verify.verifyBinary(rnd1 + i + 1, rnd2 + i + 2, method); Verify.verifyBinary(rnd1 + i * 2, rnd2 + i, method); } } } public static class ConstantTest { public static void verify(BinaryMethod method) { for (int i = 0; i < 50000; ++i) { Verify.verifyBinary(5, 7, method); Verify.verifyBinary(Integer.MAX_VALUE, 1, method); Verify.verifyBinary(Integer.MIN_VALUE, -1, method); Verify.verifyBinary(Integer.MAX_VALUE, -1, method); Verify.verifyBinary(Integer.MIN_VALUE, 1, method); Verify.verifyBinary(Integer.MAX_VALUE / 2, Integer.MAX_VALUE / 2, method); Verify.verifyBinary(Integer.MAX_VALUE / 2, (Integer.MAX_VALUE / 2) + 3, method); Verify.verifyBinary(Integer.MAX_VALUE, Integer.MIN_VALUE, method); } } } public static class ConstantLongTest { public static void verify(BinaryLongMethod method) { for (int i = 0; i < 50000; ++i) { Verify.verifyBinary(5, 7, method); Verify.verifyBinary(Long.MAX_VALUE, 1, method); Verify.verifyBinary(Long.MIN_VALUE, -1, method); Verify.verifyBinary(Long.MAX_VALUE, -1, method); Verify.verifyBinary(Long.MIN_VALUE, 1, method); Verify.verifyBinary(Long.MAX_VALUE / 2, Long.MAX_VALUE / 2, method); Verify.verifyBinary(Long.MAX_VALUE / 2, (Long.MAX_VALUE / 2) + 3, method); Verify.verifyBinary(Long.MAX_VALUE, Long.MIN_VALUE, method); } } } public static interface BinaryMethod { int safeMethod(int a, int b); int checkMethod(int a, int b); int unchecked(int a, int b); String name(); } public static interface UnaryMethod { int safeMethod(int value); int checkMethod(int value); int unchecked(int value); String name(); } public static interface BinaryLongMethod { long safeMethod(long a, long b); long checkMethod(long a, long b); long unchecked(long a, long b); String name(); } public static interface UnaryLongMethod { long safeMethod(long value); long checkMethod(long value); long unchecked(long value); String name(); } public static class UnaryToBinary implements BinaryMethod { private final UnaryMethod method; public UnaryToBinary(UnaryMethod method) { this.method = method; } @Override public int safeMethod(int a, int b) { return method.safeMethod(a); } @Override public int checkMethod(int a, int b) { return method.checkMethod(a); } @Override public int unchecked(int a, int b) { return method.unchecked(a); } @Override public String name() { return method.name(); } } public static class UnaryToBinaryLong implements BinaryLongMethod { private final UnaryLongMethod method; public UnaryToBinaryLong(UnaryLongMethod method) { this.method = method; } @Override public long safeMethod(long a, long b) { return method.safeMethod(a); } @Override public long checkMethod(long a, long b) { return method.checkMethod(a); } @Override public long unchecked(long a, long b) { return method.unchecked(a); } @Override public String name() { return method.name(); } } public static class AddExactI implements BinaryMethod { @Override public int safeMethod(int x, int y) { int r = x + y; // HD 2-12 Overflow iff both arguments have the opposite sign of the result if (((x ^ r) & (y ^ r)) < 0) { throw new ArithmeticException("integer overflow"); } return r; } @Override public int checkMethod(int a, int b) { return Math.addExact(a, b); } @Override public String name() { return "addExact"; } @Override public int unchecked(int a, int b) { return a + b; } } public static class AddExactL implements BinaryLongMethod { @Override public long safeMethod(long x, long y) { long r = x + y; // HD 2-12 Overflow iff both arguments have the opposite sign of the result if (((x ^ r) & (y ^ r)) < 0) { throw new ArithmeticException("integer overflow"); } return r; } @Override public long checkMethod(long a, long b) { return Math.addExact(a, b); } @Override public String name() { return "addExactLong"; } @Override public long unchecked(long a, long b) { return a + b; } } public static class MulExactI implements BinaryMethod { @Override public int safeMethod(int x, int y) { long r = (long)x * (long)y; if ((int)r != r) { throw new ArithmeticException("integer overflow"); } return (int)r; } @Override public int checkMethod(int a, int b) { return Math.multiplyExact(a, b); } @Override public int unchecked(int a, int b) { return a * b; } @Override public String name() { return "multiplyExact"; } } public static class MulExactL implements BinaryLongMethod { @Override public long safeMethod(long x, long y) { long r = x * y; long ax = Math.abs(x); long ay = Math.abs(y); if (((ax | ay) >>> 31 != 0)) { // Some bits greater than 2^31 that might cause overflow // Check the result using the divide operator // and check for the special case of Long.MIN_VALUE * -1 if (((y != 0) && (r / y != x)) || (x == Long.MIN_VALUE && y == -1)) { throw new ArithmeticException("long overflow"); } } return r; } @Override public long checkMethod(long a, long b) { return Math.multiplyExact(a, b); } @Override public long unchecked(long a, long b) { return a * b; } @Override public String name() { return "multiplyExact"; } } public static class NegExactL implements UnaryLongMethod { @Override public long safeMethod(long a) { if (a == Long.MIN_VALUE) { throw new ArithmeticException("long overflow"); } return -a; } @Override public long checkMethod(long value) { return Math.negateExact(value); } @Override public long unchecked(long value) { return -value; } @Override public String name() { return "negateExactLong"; } } public static class NegExactI implements UnaryMethod { @Override public int safeMethod(int a) { if (a == Integer.MIN_VALUE) { throw new ArithmeticException("integer overflow"); } return -a; } @Override public int checkMethod(int value) { return Math.negateExact(value); } @Override public int unchecked(int value) { return -value; } @Override public String name() { return "negateExact"; } } public static class SubExactI implements BinaryMethod { @Override public int safeMethod(int x, int y) { int r = x - y; // HD 2-12 Overflow iff the arguments have different signs and // the sign of the result is different than the sign of x if (((x ^ y) & (x ^ r)) < 0) { throw new ArithmeticException("integer overflow"); } return r; } @Override public int checkMethod(int a, int b) { return Math.subtractExact(a, b); } @Override public int unchecked(int a, int b) { return a - b; } @Override public String name() { return "subtractExact"; } } public static class SubExactL implements BinaryLongMethod { @Override public long safeMethod(long x, long y) { long r = x - y; // HD 2-12 Overflow iff the arguments have different signs and // the sign of the result is different than the sign of x if (((x ^ y) & (x ^ r)) < 0) { throw new ArithmeticException("integer overflow"); } return r; } @Override public long checkMethod(long a, long b) { return Math.subtractExact(a, b); } @Override public long unchecked(long a, long b) { return a - b; } @Override public String name() { return "subtractExactLong"; } } static class IncExactL implements UnaryLongMethod { @Override public long safeMethod(long a) { if (a == Long.MAX_VALUE) { throw new ArithmeticException("long overflow"); } return a + 1L; } @Override public long checkMethod(long value) { return Math.incrementExact(value); } @Override public long unchecked(long value) { return value + 1; } @Override public String name() { return "incrementExactLong"; } } static class IncExactI implements UnaryMethod { @Override public int safeMethod(int a) { if (a == Integer.MAX_VALUE) { throw new ArithmeticException("integer overflow"); } return a + 1; } @Override public int checkMethod(int value) { return Math.incrementExact(value); } @Override public int unchecked(int value) { return value + 1; } @Override public String name() { return "incrementExact"; } } static class DecExactL implements UnaryLongMethod { @Override public long safeMethod(long a) { if (a == Long.MIN_VALUE) { throw new ArithmeticException("long overflow"); } return a - 1L; } @Override public long checkMethod(long value) { return Math.decrementExact(value); } @Override public long unchecked(long value) { return value - 1; } @Override public String name() { return "decExactLong"; } } static class DecExactI implements UnaryMethod { @Override public int safeMethod(int a) { if (a == Integer.MIN_VALUE) { throw new ArithmeticException("integer overflow"); } return a - 1; } @Override public int checkMethod(int value) { return Math.decrementExact(value); } @Override public int unchecked(int value) { return value - 1; } @Override public String name() { return "decrementExact"; } } }