Chris GreenD-oh:
std:fma will generate the fused multiply add instruction in MSVC and GCC, regardless of the setting of fp:precise as you would hope..
But MSVC doesn't know how to auto vectorize it, which kind of defeats the purpose :-( :-(. GCC does though (as does Clang):
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.