diff options
| -rw-r--r-- | src/corelib/tools/qstring.cpp | 2 | ||||
| -rw-r--r-- | tests/auto/corelib/tools/qstring/tst_qstring.cpp | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index a727f5168c..fb79ab0e47 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -496,7 +496,7 @@ static int ucstrncmp(const QChar *a, const QChar *b, int l) if (l >= 8) { const QChar *end = a + l; const uint16x8_t mask = { 1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7 }; - while (a + 8 < end) { + while (a + 7 < end) { uint16x8_t da = vld1q_u16(reinterpret_cast<const uint16_t *>(a)); uint16x8_t db = vld1q_u16(reinterpret_cast<const uint16_t *>(b)); diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp index 414ba2d8cf..6ed7b74277 100644 --- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp +++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp @@ -6070,6 +6070,14 @@ void tst_QString::compare_data() lower += QChar(QChar::lowSurrogate(0x10428)); QTest::newRow("data8") << upper << lower << -1 << 0; + QTest::newRow("vectorized-boundaries-7") << QString("1234567") << QString("abcdefg") << -1 << -1; + QTest::newRow("vectorized-boundaries-8") << QString("12345678") << QString("abcdefgh") << -1 << -1; + QTest::newRow("vectorized-boundaries-9") << QString("123456789") << QString("abcdefghi") << -1 << -1; + + QTest::newRow("vectorized-boundaries-15") << QString("123456789012345") << QString("abcdefghiklmnop") << -1 << -1; + QTest::newRow("vectorized-boundaries-16") << QString("1234567890123456") << QString("abcdefghiklmnopq") << -1 << -1; + QTest::newRow("vectorized-boundaries-17") << QString("12345678901234567") << QString("abcdefghiklmnopqr") << -1 << -1; + // embedded nulls // These don't work as of now. It's OK that these don't work since \0 is not a valid unicode /*QTest::newRow("data10") << QString(QByteArray("\0", 1)) << QString(QByteArray("\0", 1)) << 0 << 0; |