--- /dev/null 2019-10-22 15:13:43.368118355 -0400 +++ new/test/hotspot/gtest/utilities/test_java_arithmetic.cpp 2019-11-01 19:52:58.107825391 -0400 @@ -0,0 +1,346 @@ +/* + * Copyright (c) 2019, 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. + * + */ + +#include "precompiled.hpp" +#include "memory/allocation.hpp" +#include "utilities/globalDefinitions.hpp" +#include "unittest.hpp" + +class TestJavaArithSupport : public AllStatic { +public: + template struct BinOpData { T x; T y; T r; }; + template struct ShiftOpData { T x; jint shift; T r; }; +}; + +typedef TestJavaArithSupport::BinOpData BinOpJintData; +typedef TestJavaArithSupport::BinOpData BinOpJlongData; + +typedef TestJavaArithSupport::ShiftOpData ShiftOpJintData; +typedef TestJavaArithSupport::ShiftOpData ShiftOpJlongData; + +const BinOpJintData add_jint_data[] = { + { 0, 0, 0 }, + { 0, 1, 1 }, + { 0, -1, -1 }, + { max_jint, 1, min_jint }, + { max_jint, -1, max_jint - 1 }, + { min_jint, 1, min_jint + 1 }, + { min_jint, -1, max_jint }, + { max_jint, 10, min_jint + 9 }, + { max_jint, -10, max_jint - 10 }, + { min_jint, 10, min_jint + 10 }, + { min_jint, -10, max_jint - 9 }, + { max_jint, max_jint, -2 }, + { min_jint, min_jint, 0 } +}; + +const BinOpJlongData add_jlong_data[] = { + { 0, 0, 0 }, + { 0, 1, 1 }, + { 0, -1, -1 }, + { max_jlong, 1, min_jlong }, + { max_jlong, -1, max_jlong - 1 }, + { min_jlong, 1, min_jlong + 1 }, + { min_jlong, -1, max_jlong }, + { max_jlong, 10, min_jlong + 9 }, + { max_jlong, -10, max_jlong - 10 }, + { min_jlong, 10, min_jlong + 10 }, + { min_jlong, -10, max_jlong - 9 }, + { max_jlong, max_jlong, -2 }, + { min_jlong, min_jlong, 0 } +}; + +TEST(TestJavaArithmetic, add_sub_jint) { + const volatile BinOpJintData* data = add_jint_data; + for (size_t i = 0; i < ARRAY_SIZE(add_jint_data); ++i) { + ASSERT_EQ(data[i].r, java_add(data[i].x, data[i].y)); + ASSERT_EQ(data[i].r, java_add(data[i].y, data[i].x)); + ASSERT_EQ(data[i].x, java_subtract(data[i].r, data[i].y)); + ASSERT_EQ(data[i].y, java_subtract(data[i].r, data[i].x)); + } +} + +TEST(TestJavaArithmetic, add_sub_jlong) { + const volatile BinOpJlongData* data = add_jlong_data; + for (size_t i = 0; i < ARRAY_SIZE(add_jlong_data); ++i) { + ASSERT_EQ(data[i].r, java_add(data[i].x, data[i].y)); + ASSERT_EQ(data[i].r, java_add(data[i].y, data[i].x)); + ASSERT_EQ(data[i].x, java_subtract(data[i].r, data[i].y)); + ASSERT_EQ(data[i].y, java_subtract(data[i].r, data[i].x)); + } +} + +static const BinOpJintData mul_jint_data[] = { + { 0, 0, 0 }, + { 0, 1, 0 }, + { 0, max_jint, 0 }, + { 0, min_jint, 0 }, + { 1, 1, 1 }, + { 1, max_jint, max_jint }, + { 1, min_jint, min_jint }, + { -1, 1, -1 }, + { -1, max_jint, min_jint + 1 }, + { 5, max_jint, max_jint - 4 }, + { -5, max_jint, min_jint + 5 }, + { max_jint, max_jint, 1 }, + { max_jint, min_jint, min_jint }, + { min_jint, min_jint, 0 } +}; + +static const BinOpJlongData mul_jlong_data[] = { + { 0, 0, 0 }, + { 0, 1, 0 }, + { 0, max_jlong, 0 }, + { 0, min_jlong, 0 }, + { 1, 1, 1 }, + { 1, max_jlong, max_jlong }, + { 1, min_jlong, min_jlong }, + { -1, 1, -1 }, + { -1, max_jlong, min_jlong + 1 }, + { 5, max_jlong, max_jlong - 4 }, + { -5, max_jlong, min_jlong + 5 }, + { max_jlong, max_jlong, 1 }, + { max_jlong, min_jlong, min_jlong }, + { min_jlong, min_jlong, 0 } +}; + +TEST(TestJavaArithmetic, mul_jint) { + const volatile BinOpJintData* data = mul_jint_data; + for (size_t i = 0; i < ARRAY_SIZE(mul_jint_data); ++i) { + ASSERT_EQ(data[i].r, java_multiply(data[i].x, data[i].y)); + ASSERT_EQ(data[i].r, java_multiply(data[i].y, data[i].x)); + } +} + +TEST(TestJavaArithmetic, mul_jlong) { + const volatile BinOpJlongData* data = mul_jlong_data; + for (size_t i = 0; i < ARRAY_SIZE(mul_jlong_data); ++i) { + ASSERT_EQ(data[i].r, java_multiply(data[i].x, data[i].y)); + ASSERT_EQ(data[i].r, java_multiply(data[i].y, data[i].x)); + } +} + +static const ShiftOpJintData asl_jint_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 50, 0 }, + { 1, 0, 1 }, + { 1, 10, (jint)1 << 10 }, + { 1, 50, (jint)1 << 18 }, + { 5, 0, 5 }, + { 5, 10, (jint)5 << 10 }, + { 5, 50, (jint)5 << 18 }, + { -1, 0, -1 }, + { -1, 10, (jint)-1 * (1 << 10) }, + { -1, 50, (jint)-1 * (1 << 18) }, + { -5, 0, -5 }, + { -5, 10, (jint)-5 * (1 << 10) }, + { -5, 50, (jint)-5 * (1 << 18) }, + { max_jint, 0, max_jint }, + { max_jint, 10, (jint)0xFFFFFC00 }, + { max_jint, 50, (jint)0xFFFC0000 }, + { min_jint, 0, min_jint }, + { min_jint, 10, 0 }, + { min_jint, 50, 0 } +}; + +static const ShiftOpJlongData asl_jlong_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 82, 0 }, + { 1, 0, 1 }, + { 1, 10, (jlong)1 << 10 }, + { 1, 82, (jlong)1 << 18 }, + { 5, 0, 5 }, + { 5, 10, (jlong)5 << 10 }, + { 5, 82, (jlong)5 << 18 }, + { -1, 0, -1 }, + { -1, 10, (jlong)-1 * (1 << 10) }, + { -1, 82, (jlong)-1 * (1 << 18) }, + { -5, 0, -5 }, + { -5, 10, (jlong)-5 * (1 << 10) }, + { -5, 82, (jlong)-5 * (1 << 18) }, + { max_jlong, 0, max_jlong }, + { max_jlong, 10, (jlong)0xFFFFFFFFFFFFFC00 }, + { max_jlong, 82, (jlong)0xFFFFFFFFFFFC0000 }, + { min_jlong, 0, min_jlong }, + { min_jlong, 10, 0 }, + { min_jlong, 82, 0 } +}; + +TEST(TestJavaArithmetic, shift_left_jint) { + const volatile ShiftOpJintData* data = asl_jint_data; + for (size_t i = 0; i < ARRAY_SIZE(asl_jint_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_left(data[i].x, data[i].shift)); + } +} + +TEST(TestJavaArithmetic, shift_left_jlong) { + const volatile ShiftOpJlongData* data = asl_jlong_data; + for (size_t i = 0; i < ARRAY_SIZE(asl_jlong_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_left(data[i].x, data[i].shift)); + } +} + +static const ShiftOpJintData asr_jint_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 50, 0 }, + { 1, 0, 1 }, + { 1, 10, 0 }, + { 1, 50, 0 }, + { 5, 0, 5 }, + { 5, 1, 2 }, + { 5, 10, 0 }, + { 5, 33, 2 }, + { 5, 50, 0 }, + { -1, 0, -1 }, + { -1, 10, -1 }, + { -1, 50, -1 }, + { -5, 0, -5 }, + { -5, 1, -3 }, + { -5, 10, -1 }, + { -5, 33, -3 }, + { -5, 50, -1 }, + { max_jint, 0, max_jint }, + { max_jint, 10, (jint)0x001FFFFF }, + { max_jint, 50, (jint)0x00001FFF }, + { min_jint, 0, min_jint }, + { min_jint, 10, (jint)0xFFE00000 }, + { min_jint, 50, (jint)0xFFFFE000 } +}; + +static const ShiftOpJlongData asr_jlong_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 82, 0 }, + { 1, 0, 1 }, + { 1, 10, 0 }, + { 1, 82, 0 }, + { 5, 0, 5 }, + { 5, 1, 2 }, + { 5, 10, 0 }, + { 5, 65, 2 }, + { 5, 82, 0 }, + { -1, 0, -1 }, + { -1, 10, -1 }, + { -1, 82, -1 }, + { -5, 0, -5 }, + { -5, 1, -3 }, + { -5, 10, -1 }, + { -5, 65, -3 }, + { -5, 82, -1 }, + { max_jlong, 0, max_jlong }, + { max_jlong, 10, (jlong)0x001FFFFFFFFFFFFF }, + { max_jlong, 82, (jlong)0x00001FFFFFFFFFFF }, + { min_jlong, 0, min_jlong }, + { min_jlong, 10, (jlong)0xFFE0000000000000 }, + { min_jlong, 82, (jlong)0xFFFFE00000000000 } +}; + +TEST(TestJavaArithmetic, shift_right_jint) { + const volatile ShiftOpJintData* data = asr_jint_data; + for (size_t i = 0; i < ARRAY_SIZE(asr_jint_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_right(data[i].x, data[i].shift)); + } +} + +TEST(TestJavaArithmetic, shift_right_jlong) { + const volatile ShiftOpJlongData* data = asr_jlong_data; + for (size_t i = 0; i < ARRAY_SIZE(asr_jlong_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_right(data[i].x, data[i].shift)); + } +} + +static const ShiftOpJintData lsr_jint_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 50, 0 }, + { 1, 0, 1 }, + { 1, 10, 0 }, + { 1, 50, 0 }, + { 5, 0, 5 }, + { 5, 1, 2 }, + { 5, 10, 0 }, + { 5, 33, 2 }, + { 5, 50, 0 }, + { -1, 0, -1 }, + { -1, 10, (jint)0x003FFFFF }, + { -1, 50, (jint)0x00003FFF }, + { -5, 0, -5 }, + { -5, 1, (jint)0x7FFFFFFD }, + { -5, 10, (jint)0x003FFFFF }, + { -5, 50, (jint)0x00003FFF }, + { max_jint, 0, max_jint }, + { max_jint, 1, (jint)0x3FFFFFFF }, + { max_jint, 10, (jint)0x001FFFFF }, + { max_jint, 50, (jint)0x00001FFF }, + { min_jint, 0, min_jint }, + { min_jint, 1, (jint)0x40000000 }, + { min_jint, 10, (jint)0x00200000 }, + { min_jint, 50, (jint)0x00002000 } +}; + +static const ShiftOpJlongData lsr_jlong_data[] = { + { 0, 0, 0 }, + { 0, 10, 0 }, + { 0, 82, 0 }, + { 1, 0, 1 }, + { 1, 10, 0 }, + { 1, 82, 0 }, + { 5, 0, 5 }, + { 5, 1, 2 }, + { 5, 10, 0 }, + { 5, 65, 2 }, + { 5, 82, 0 }, + { -1, 0, -1 }, + { -1, 10, (jlong)0x003FFFFFFFFFFFFF }, + { -1, 82, (jlong)0x00003FFFFFFFFFFF }, + { -5, 0, -5 }, + { -5, 1, (jlong)0x7FFFFFFFFFFFFFFD }, + { -5, 10, (jlong)0x003FFFFFFFFFFFFF }, + { -5, 82, (jlong)0x00003FFFFFFFFFFF }, + { max_jlong, 0, max_jlong }, + { max_jlong, 1, (jlong)0x3FFFFFFFFFFFFFFF }, + { max_jlong, 10, (jlong)0x001FFFFFFFFFFFFF }, + { max_jlong, 82, (jlong)0x00001FFFFFFFFFFF }, + { min_jlong, 0, min_jlong }, + { min_jlong, 1, (jlong)0x4000000000000000 }, + { min_jlong, 10, (jlong)0x0020000000000000 }, + { min_jlong, 82, (jlong)0x0000200000000000 } +}; + +TEST(TestJavaArithmetic, shift_right_unsigned_jint) { + const volatile ShiftOpJintData* data = lsr_jint_data; + for (size_t i = 0; i < ARRAY_SIZE(lsr_jint_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_right_unsigned(data[i].x, data[i].shift)); + } +} + +TEST(TestJavaArithmetic, shift_right_unsigned_jlong) { + const volatile ShiftOpJlongData* data = lsr_jlong_data; + for (size_t i = 0; i < ARRAY_SIZE(lsr_jlong_data); ++i) { + ASSERT_EQ(data[i].r, java_shift_right_unsigned(data[i].x, data[i].shift)); + } +}