diff options
Diffstat (limited to 'src/corelib/tools/qstring.cpp')
| -rw-r--r-- | src/corelib/tools/qstring.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index 46ec8b072c..51bc8359a0 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -259,7 +259,7 @@ static bool simdTestMask(const char *&ptr, const char *end, quint32 maskval) # if defined(__AVX2__) // AVX2 implementation: test 32 bytes at a time const __m256i mask256 = _mm256_broadcastd_epi32(_mm_cvtsi32_si128(maskval)); - while (ptr + 32 < end) { + while (ptr + 32 <= end) { __m256i data = _mm256_loadu_si256(reinterpret_cast<const __m256i *>(ptr)); if (!_mm256_testz_si256(mask256, data)) return false; @@ -271,7 +271,7 @@ static bool simdTestMask(const char *&ptr, const char *end, quint32 maskval) // SSE 4.1 implementation: test 32 bytes at a time (two 16-byte // comparisons, unrolled) const __m128i mask = _mm_set1_epi32(maskval); - while (ptr + 32 < end) { + while (ptr + 32 <= end) { __m128i data1 = _mm_loadu_si128(reinterpret_cast<const __m128i *>(ptr)); __m128i data2 = _mm_loadu_si128(reinterpret_cast<const __m128i *>(ptr + 16)); if (!_mm_testz_si128(mask, data1)) @@ -283,7 +283,7 @@ static bool simdTestMask(const char *&ptr, const char *end, quint32 maskval) # endif # if defined(__SSE4_1__) // AVX2 and SSE4.1: final 16-byte comparison - if (ptr + 16 < end) { + if (ptr + 16 <= end) { __m128i data1 = _mm_loadu_si128(reinterpret_cast<const __m128i *>(ptr)); if (!_mm_testz_si128(mask, data1)) return false; @@ -325,7 +325,7 @@ bool QtPrivate::isAscii(QLatin1String s) Q_DECL_NOTHROW } #endif - while (ptr + 4 < end) { + while (ptr + 4 <= end) { quint32 data = qFromUnaligned<quint32>(ptr); if (data & 0x80808080U) return false; |