What is acceptable for -ffast-math? (Was: associative law incombine)

[Gabriel Dos_Reis]

| On Wed, 1 Aug 2001, Gabriel Dos_Reis wrote:
| >
| > Do you think changing 0.125 to 0.0 is not drastic?
| 
| Ehh. It's 0.125 to 0.125.
| 
| Try it yourself.

I ran an actual program on sparc-v8/solaris-2.7.  That machine is
known to operate with a 64-bits for double -- I specically mentionned
that.  Just try it yourself. 

-- Gaby