diff options
| -rw-r--r-- | src/corelib/global/qfloat16.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h index d9fd89215d..eef5a6152a 100644 --- a/src/corelib/global/qfloat16.h +++ b/src/corelib/global/qfloat16.h @@ -48,12 +48,13 @@ #include <string.h> #if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__AVX2__) && !defined(__F16C__) -// All processors that support AVX2 do support F16C too. That doesn't mean -// we're allowed to use the intrinsics directly, so we'll do it only for -// the Intel and Microsoft's compilers. -# if defined(Q_CC_INTEL) || defined(Q_CC_MSVC) +// All processors that support AVX2 do support F16C too, so we could enable the +// feature unconditionally if __AVX2__ is defined. However, all currently +// supported compilers except Microsoft's are able to define __F16C__ on their +// own when the user enables the feature, so we'll trust them. +# if defined(Q_CC_MSVC) && !defined(Q_CC_CLANG) # define __F16C__ 1 -# endif +# endif #endif #if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) |