math: Add helper function to flush denormals if not supported.

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewer: Aaron Watry <awatry@gmail.com>
llvm-svn: 331433
GitOrigin-RevId: 6146eda75dbf8e734b02d02a7c4a62804e04293f
1 file changed