/* * Copyright (c) 2022, 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 "opto/intrinsicnode.hpp" #include "unittest.hpp" TEST_VM(opto, compress_expand_bits) { ASSERT_EQ(CompressBitsNode::compress_bits(-4LL, -1LL, 64), -4LL); ASSERT_EQ(CompressBitsNode::compress_bits(-4LL, -1LL, 32), (-4LL & 0xFFFFFFFFLL)); ASSERT_EQ(CompressBitsNode::compress_bits(2147483647LL, -65535LL, 64), 65535LL); ASSERT_EQ(CompressBitsNode::compress_bits(2147483647LL, -65535LL, 32), 65535LL); ASSERT_EQ(CompressBitsNode::compress_bits(-2147483648LL, -65535LL, 64), 562949953355776LL); ASSERT_EQ(CompressBitsNode::compress_bits(-2147483648LL, -65535LL, 32), 65536LL); ASSERT_EQ(ExpandBitsNode::expand_bits(-4LL, -1LL, 64), -4LL); ASSERT_EQ(ExpandBitsNode::expand_bits(-4LL, -1LL, 32), (-4LL & 0xFFFFFFFFLL)); ASSERT_EQ(ExpandBitsNode::expand_bits(2147483647LL, -65535LL, 64), 70368744112129LL); ASSERT_EQ(ExpandBitsNode::expand_bits(2147483647LL, -65535LL, 32), (-65535LL & 0xFFFFFFFFLL)); ASSERT_EQ(ExpandBitsNode::expand_bits(-2147483648LL, -65535LL, 64), -70368744177664LL); ASSERT_EQ(ExpandBitsNode::expand_bits(-2147483648LL, -65535LL, 32), 0LL); }