GCC options and floating-point correctness (benchmarks)

[Joseph S. Myers]

On Thu, 25 Mar 2004, Scott Robert Ladd wrote:

> The best results (and the only potentially acceptable one in Mr. Kahan's 
> opinion) required the use of the -march=pentium4 and -mfpmath=sse options.

What if -ffloat-store is used in alternative to those?  It doesn't
actually work as far as causing conformance (e.g., casts to same type
still get discarded rather than reducing precision), but it is supposed to
help.

-- 
Joseph S. Myers
jsm@polyomino.org.uk