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QString: extract qustrlen's attribute to a macro 

I'll need it for the rest of the algorithms.

Change-Id: Ib42b3adc93bf4d43bd55fffd16c1a2b31ac41c6d
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
bb10
Thiago Macieira 2021-12-17 16:50:29 -03:00
parent 9d0c29b882
commit 40083f380f
1 changed files with 9 additions and 5 deletions
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14
src/corelib/text/qstring.cpp
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@ -387,6 +387,14 @@ extern "C" void qt_fromlatin1_mips_asm_unroll8 (char16_t*, const char*, uint);
extern "C" void qt_toLatin1_mips_dsp_asm(uchar *dst, const char16_t *src, int length);
#endif
#if defined(__SSE2__) && defined(Q_CC_GNU)
// We may overrun the buffer, but that's a false positive:
// this won't crash nor produce incorrect results
# define ATTRIBUTE_NO_SANITIZE __attribute__((__no_sanitize_address__))
#else
# define ATTRIBUTE_NO_SANITIZE
#endif
#ifdef __SSE2__
static constexpr bool UseSse4_1 = bool(qCompilerCpuFeatures & CpuFeatureSSE4_1);
static constexpr bool UseAvx2 = UseSse4_1 &&
@ -509,11 +517,7 @@ static bool simdTestMask(const char *&ptr, const char *end, quint32 maskval)
}
#endif
#ifdef Q_CC_GNU
// We may overrun the buffer, but that's a false positive:
// this won't crash nor produce incorrect results
__attribute__((__no_sanitize_address__))
#endif
ATTRIBUTE_NO_SANITIZE
qsizetype QtPrivate::qustrlen(const char16_t *str) noexcept
{
qsizetype result = 0;