On Tue, Aug 09, 2005 at 11:02:22AM -0700, H. J. Lu wrote: > I have a small testcase to show that enable FTZ/DAZ makes a huge (>160 > times faster) difference on SSE floating point code. Icc enables it by > defailt for -ON (N>=1). Should gcc do the same?
This is the flush-denormals-to-zero bit?
See config/{alpha,ia64,sparc}/crtfastmath.c, and how that gets used.
r~
