On Sunday 26 July 2015 12:24:04 René J. V. Bertin wrote: > Thiago Macieira wrote: > >> %> clang -dM -E -xc /dev/null | fgrep -i SSE > >> #define __SSE2_MATH__ 1 > >> #define __SSE2__ 1 > >> #define __SSE3__ 1 > >> #define __SSE_MATH__ 1 > >> #define __SSE__ 1 > >> #define __SSSE3__ 1 > > > > This confirms it enables SSS3 by default, but not SSE4.1. > > I didn't check this yet: > > %> clang -dM -E -xc -mno-sse3 /dev/null | fgrep -i SSE > #define __SSE2_MATH__ 1 > #define __SSE2__ 1 > #define __SSE_MATH__ 1 > #define __SSE__ 1 > > So it is still possible to override the default (fortunately).
But it's unnecessary since all Mac x86 hardware has SSE3 and all 64-bit x86 hardware has SSSE3. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest