diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_avx2.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_avx2.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/gui/painting/qdrawhelper_avx2.cpp b/src/gui/painting/qdrawhelper_avx2.cpp index 3a37b85366..2e36f538bd 100644 --- a/src/gui/painting/qdrawhelper_avx2.cpp +++ b/src/gui/painting/qdrawhelper_avx2.cpp @@ -359,7 +359,18 @@ void Q_DECL_VECTORCALL qt_memfillXX_avx2(uchar *dest, __m256i value256, qsizetyp void qt_memfill64_avx2(quint64 *dest, quint64 value, qsizetype count) { - qt_memfillXX_avx2(reinterpret_cast<uchar *>(dest), _mm256_set1_epi64x(value), count * sizeof(quint64)); +#if defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) + // work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80820 + __m128i value64 = _mm_set_epi64x(0, value); // _mm_cvtsi64_si128(value); +# ifdef Q_PROCESSOR_X86_64 + asm ("" : "+x" (value64)); +# endif + __m256i value256 = _mm256_broadcastq_epi64(value64); +#else + __m256i value256 = _mm256_set1_epi64x(value); +#endif + + qt_memfillXX_avx2(reinterpret_cast<uchar *>(dest), value256, count * sizeof(quint64)); } void qt_memfill32_avx2(quint32 *dest, quint32 value, qsizetype count) |