vectorscan/unit/internal/vermicelli.cpp
George Wort df926ef62f Implement new Vermicelli16 acceleration functions using SVE2.
The scheme utilises the MATCH and NMATCH instructions to
scan for 16 characters at the same rate as vermicelli
scans for one.

Change-Id: Ie2cef904c56651e6108593c668e9b65bc001a886
2021-10-12 11:51:34 +03:00

786 lines
25 KiB
C++

/*
* Copyright (c) 2015-2016, Intel Corporation
* Copyright (c) 2021, Arm Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "gtest/gtest.h"
#include "nfa/vermicelli.h"
TEST(Vermicelli, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliExec('B', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
}
}
}
TEST(Vermicelli, Exec1) {
char t1[] = "bbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(Vermicelli, Exec2) {
char t1[] = "bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(Vermicelli, Exec3) {
char t1[] = "bbbbbbbbbbbbbbbbbAaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(Vermicelli, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
}
}
TEST(DoubleVermicelli, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = vermicelliDoubleExec('a', 'b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliDoubleExec('B', 'b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliDoubleExec('A', 'B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
/* partial match */
rv = vermicelliDoubleExec('b', 'B', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j - 1), (size_t)rv);
/* partial match */
rv = vermicelliDoubleExec('B', 'A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j - 1), (size_t)rv);
}
}
}
TEST(DoubleVermicelli, Exec1) {
char t1[] = "bbbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleExec('a', 'b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
rv = vermicelliDoubleExec('A', 'B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
rv = vermicelliDoubleExec('b', 'a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = vermicelliDoubleExec('B', 'A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(DoubleVermicelli, Exec2) {
char t1[] = "bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbaaaaabbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleExec('a', 'a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = vermicelliDoubleExec('A', 'A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(DoubleVermicelli, Exec3) {
/* 012345678901234567890123 */
char t1[] = "bbbbbbbbbbbbbbbbbaAaaAAaaaaaaaaaaaaaaaaaabbbbbbbaaaaabbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleExec('A', 'a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
rv = vermicelliDoubleExec('A', 'A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = vermicelliDoubleExec('A', 'A', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 21, (size_t)rv);
rv = vermicelliDoubleExec('a', 'A', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(DoubleVermicelli, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
t1[48 - i + 1] = 'a';
const u8 *rv = vermicelliDoubleExec('a', 'a', 0, (u8 *)t1,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
rv = vermicelliDoubleExec('A', 'A', 1, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
}
}
TEST(Vermicelli, noodEarlyExit) {
// searches that should fail
static const u8 *lowerAlpha = (const u8*) "abcdefghijklmnopqrstuvwxyz";
const u8 *la_end = lowerAlpha + 26;
EXPECT_EQ(la_end, vermicelliExec('0', 0, lowerAlpha, la_end));
EXPECT_EQ(la_end, vermicelliExec('A', 0, lowerAlpha, la_end));
// single byte match
for (unsigned i = 0; i < 26; i++) {
u8 byte = lowerAlpha[i];
SCOPED_TRACE(byte);
EXPECT_EQ(lowerAlpha + i, vermicelliExec(byte, 0, lowerAlpha, la_end));
byte = toupper(lowerAlpha[i]);
EXPECT_EQ(lowerAlpha + i, vermicelliExec(byte, 1, lowerAlpha, la_end));
}
}
TEST(NVermicelli, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
SCOPED_TRACE(i);
for (size_t j = 0; j < 16; j++) {
SCOPED_TRACE(j);
const u8 *rv = nvermicelliExec('b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = nvermicelliExec('B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
}
}
}
TEST(NVermicelli, Exec1) {
char t1[] = "bbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
SCOPED_TRACE(i);
const u8 *rv = nvermicelliExec('b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = nvermicelliExec('B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(NVermicelli, Exec2) {
char t1[] = "bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
SCOPED_TRACE(i);
const u8 *rv = nvermicelliExec('b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = nvermicelliExec('B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(NVermicelli, Exec3) {
char t1[] = "bbbbbbbbbbbbbbbbbBaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
SCOPED_TRACE(i);
const u8 *rv = nvermicelliExec('b', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
rv = nvermicelliExec('B', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
}
}
TEST(NVermicelli, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 31; i++) {
SCOPED_TRACE(i);
t1[48 - i] = 'a';
const u8 *rv = nvermicelliExec('b', 0, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
rv = nvermicelliExec('B', 1, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
}
}
TEST(DoubleVermicelliMasked, ExecNoMatch1) {
std::string t1("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
const u8 *t1_raw = (const u8 *)t1.c_str();
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = vermicelliDoubleMaskedExec('a', 'b', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i - j);
ASSERT_EQ(((size_t)t1_raw + t1.length() - i - j), (size_t)rv);
rv = vermicelliDoubleMaskedExec('B', 'B', 0xff, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i - j);
ASSERT_EQ(((size_t)t1_raw + t1.length() - i - j), (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'B', CASE_CLEAR, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() -i - j);
ASSERT_EQ(((size_t)t1_raw + t1.length() - i - j), (size_t)rv);
/* partial match */
rv = vermicelliDoubleMaskedExec('B', 'B', CASE_CLEAR, 0xff,
t1_raw + i,
t1_raw + t1.length() - i - j);
ASSERT_EQ(((size_t)t1_raw + t1.length() - i - j - 1), (size_t)rv);
rv = vermicelliDoubleMaskedExec('B', 'A', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i - j);
ASSERT_EQ(((size_t)t1_raw + t1.length() - i - j), (size_t)rv);
}
}
}
TEST(DoubleVermicelliMasked, Exec1) {
std::string t1("bbbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbb");
const u8 *t1_raw = (const u8 *)t1.c_str();
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleMaskedExec('a', 'b', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'B', CASE_CLEAR, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
rv = vermicelliDoubleMaskedExec('a', 'B', 0xff, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'b', CASE_CLEAR, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
rv = vermicelliDoubleMaskedExec('b', 'a', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('B', 'A', CASE_CLEAR, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
}
}
TEST(DoubleVermicelliMasked, Exec2) {
std::string t1("bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbaaaaabbbbbbbb");
const u8 *t1_raw = (const u8 *)t1.c_str();
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleMaskedExec('a', 'a', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'A', CASE_CLEAR, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('a', 'A', 0xff, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'a', CASE_CLEAR, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
}
}
TEST(DoubleVermicelliMasked, Exec3) {
/* 012345678901234567890123 */
std::string t1("bbbbbbbbbbbbbbbbbaAaaAAaaaaaaaaaaaaaaaaaabbbbbbbaaaaabbbbbbbb");
const u8 *t1_raw = (const u8 *)t1.c_str();
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliDoubleMaskedExec('A', 'a', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'A', CASE_CLEAR, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'A', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 21, (size_t)rv);
rv = vermicelliDoubleMaskedExec('a', 'A', 0xff, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('a', 'A', 0xff, CASE_CLEAR,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 17, (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'a', CASE_CLEAR, 0xff,
t1_raw + i,
t1_raw + t1.length() - i);
ASSERT_EQ((size_t)t1_raw + 18, (size_t)rv);
}
}
TEST(DoubleVermicelliMasked, Exec4) {
std::string t1("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
const u8 *t1_raw = (const u8 *)t1.c_str();
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
t1[48 - i + 1] = 'a';
const u8 *rv = vermicelliDoubleMaskedExec('a', 'a', 0xff, 0xff, t1_raw,
t1_raw + t1.length());
ASSERT_EQ((size_t)&t1_raw[48 - i], (size_t)rv);
rv = vermicelliDoubleMaskedExec('A', 'A', CASE_CLEAR, CASE_CLEAR, t1_raw,
t1_raw + t1.length());
ASSERT_EQ((size_t)&t1_raw[48 - i], (size_t)rv);
}
}
#ifdef HAVE_SVE2
#include "nfa/vermicellicompile.h"
using namespace ue2;
union Matches {
u8 val8[16];
m128 val128;
};
TEST(Vermicelli16, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('a');
chars.set('B');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = vermicelli16Exec(matches.val128, buf + i, buf + strlen(t1) - j);
ASSERT_EQ(buf + strlen(t1) - j, rv);
}
}
}
TEST(Vermicelli16, Exec1) {
char t1[] = "bbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('a');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelli16Exec(matches.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
}
}
TEST(Vermicelli16, Exec2) {
char t1[] = "bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('a');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelli16Exec(matches.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
}
}
TEST(Vermicelli16, Exec3) {
char t1[] = "bbbbbbbbbbbbbbbbbAaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('a');
Matches matches_a;
bool ret = vermicelli16Build(chars, matches_a.val8);
ASSERT_TRUE(ret);
chars.set('A');
Matches matches_A;
ret = vermicelli16Build(chars, matches_A.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelli16Exec(matches_a.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 18, rv);
rv = vermicelli16Exec(matches_A.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
}
}
TEST(Vermicelli16, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('a');
Matches matches_a;
bool ret = vermicelli16Build(chars, matches_a.val8);
ASSERT_TRUE(ret);
chars.set('A');
Matches matches_A;
ret = vermicelli16Build(chars, matches_A.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
const u8 *rv = vermicelli16Exec(matches_a.val128, buf, buf + strlen(t1));
ASSERT_EQ(buf + 48 - i, rv);
rv = vermicelli16Exec(matches_A.val128, buf, buf + strlen(t1));
ASSERT_EQ(buf + 48 - i, rv);
}
}
TEST(Vermicelli16, Exec5) {
char t1[] = "qqqqqqqqqqqqqqqqqabcdefghijklmnopqqqqqqqqqqqqqqqqqqqqq";
const u8 *buf = (const u8 *)t1;
CharReach chars;
Matches matches[16];
bool ret;
for (int i = 0; i < 16; ++i) {
chars.set('p' - i);
ret = vermicelli16Build(chars, matches[i].val8);
ASSERT_TRUE(ret);
}
for (int j = 0; j < 16; ++j) {
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelli16Exec(matches[j].val128, buf + i,buf + strlen(t1));
ASSERT_EQ(buf - j + 32, rv);
}
}
}
TEST(NVermicelli16, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('b');
chars.set('B');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = nvermicelli16Exec(matches.val128, buf + i, buf + strlen(t1) - j);
ASSERT_EQ((buf + strlen(t1) - j), rv);
}
}
}
TEST(NVermicelli16, Exec1) {
char t1[] = "bbbbbbbbbbbbbbbbbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('b');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = nvermicelli16Exec(matches.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
}
}
TEST(NVermicelli16, Exec2) {
char t1[] = "bbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('b');
chars.set('A');
Matches matches;
bool ret = vermicelli16Build(chars, matches.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = nvermicelli16Exec(matches.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
}
}
TEST(NVermicelli16, Exec3) {
char t1[] = "bbbbbbbbbbbbbbbbbAaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('b');
Matches matches_b;
bool ret = vermicelli16Build(chars, matches_b.val8);
ASSERT_TRUE(ret);
chars.set('A');
Matches matches_A;
ret = vermicelli16Build(chars, matches_A.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 16; i++) {
const u8 *rv = nvermicelli16Exec(matches_b.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 17, rv);
rv = nvermicelli16Exec(matches_A.val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + 18, rv);
}
}
TEST(NVermicelli16, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
const u8 *buf = (const u8 *)t1;
CharReach chars;
chars.set('b');
Matches matches_b;
bool ret = vermicelli16Build(chars, matches_b.val8);
ASSERT_TRUE(ret);
chars.set('A');
Matches matches_A;
ret = vermicelli16Build(chars, matches_A.val8);
ASSERT_TRUE(ret);
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
const u8 *rv = nvermicelli16Exec(matches_b.val128, buf, buf + strlen(t1));
ASSERT_EQ(buf + 48 - i, rv);
rv = nvermicelli16Exec(matches_A.val128, buf, buf + strlen(t1));
ASSERT_EQ(buf + 48 - i, rv);
}
}
TEST(NVermicelli16, Exec5) {
char t1[] = "aaaaaaaaaaaaaaaaaabcdefghijklmnopqaaaaaaaaaaaaaaaaaaaaa";
const u8 *buf = (const u8 *)t1;
CharReach chars;
Matches matches[16];
bool ret;
for (int i = 0; i < 16; ++i) {
chars.set('a' + i);
ret = vermicelli16Build(chars, matches[i].val8);
ASSERT_TRUE(ret);
}
for (int j = 0; j < 16; ++j) {
for (size_t i = 0; i < 16; i++) {
const u8 *rv = nvermicelli16Exec(matches[j].val128, buf + i, buf + strlen(t1));
ASSERT_EQ(buf + j + 18, rv);
}
}
}
#endif // HAVE_SVE2