mirror of
https://github.com/VectorCamp/vectorscan.git
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66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/*
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* Copyright (c) 2015-2017, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <cstring>
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#include "gtest/gtest.h"
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#include "util/arch.h"
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#if defined(ARCH_IA32) || defined(ARCH_X86_64)
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#include "util/arch/x86/masked_move.h"
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#endif
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namespace {
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#if defined(HAVE_AVX2)
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bool try_mask_len(const u8 *buf, u8 *target, size_t len) {
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memset(target, 0, 32);
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memcpy(target, buf, len);
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m256 mask = masked_move256_len(buf, len);
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return (0 == memcmp((u8 *)&mask, target, 32));
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}
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static const char *alpha = "0123456789abcdefghijklmnopqrstuvwxyz0123456789abcde"
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"fghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrst"
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"uvwxyz";
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TEST(MaskedMove, tymm) {
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const u8 *buf = (const u8 *)alpha;
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u8 target[32];
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for (int len = 4; len <= 32; len++) {
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EXPECT_TRUE(try_mask_len(buf, target, len)) << "len: " << len;
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}
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}
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#endif
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} // namespace
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