r600/fmin: Flush denormals before calling builtin.

Same reason as amdgcn.
Fixes fmin, minmag CTS on turks.
Reviewer: Tom Stellard <tstellar@redhat.com>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

llvm-svn: 334228
GitOrigin-RevId: e0edcaa4a95bf9979ee31de635824c7125799a86
2 files changed