44 lines
2.1 KiB
C++
44 lines
2.1 KiB
C++
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "opto/intrinsicnode.hpp"
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#include "unittest.hpp"
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TEST_VM(opto, compress_expand_bits) {
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ASSERT_EQ(CompressBitsNode::compress_bits(-4LL, -1LL, 64), -4LL);
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ASSERT_EQ(CompressBitsNode::compress_bits(-4LL, -1LL, 32), (-4LL & 0xFFFFFFFFLL));
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ASSERT_EQ(CompressBitsNode::compress_bits(2147483647LL, -65535LL, 64), 65535LL);
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ASSERT_EQ(CompressBitsNode::compress_bits(2147483647LL, -65535LL, 32), 65535LL);
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ASSERT_EQ(CompressBitsNode::compress_bits(-2147483648LL, -65535LL, 64), 562949953355776LL);
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ASSERT_EQ(CompressBitsNode::compress_bits(-2147483648LL, -65535LL, 32), 65536LL);
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ASSERT_EQ(ExpandBitsNode::expand_bits(-4LL, -1LL, 64), -4LL);
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ASSERT_EQ(ExpandBitsNode::expand_bits(-4LL, -1LL, 32), (-4LL & 0xFFFFFFFFLL));
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ASSERT_EQ(ExpandBitsNode::expand_bits(2147483647LL, -65535LL, 64), 70368744112129LL);
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ASSERT_EQ(ExpandBitsNode::expand_bits(2147483647LL, -65535LL, 32), (-65535LL & 0xFFFFFFFFLL));
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ASSERT_EQ(ExpandBitsNode::expand_bits(-2147483648LL, -65535LL, 64), -70368744177664LL);
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ASSERT_EQ(ExpandBitsNode::expand_bits(-2147483648LL, -65535LL, 32), 0LL);
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}
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