PATCH - [tree-ssa] regrouping of expression tree for single multiply add.

[Dale Johannesen]

On Mar 25, 2004, at 4:00 PM, law@redhat.com wrote:

> In message <A2195074-7EB6-11D8-8C7F-000A95D7CD40@apple.com>, Dale 
> Johannesen wr
> ites:
>> Well, there's an argument against it, all right, but the view that 
>> it's
>> excellent
>> appears to be a minority one.  It's clear that quite a few people find
>> such
>> transformations useful.  Those of you who want standard-conforming
>> behavior
>> don't have to use -ffast-math, after all.
> OR, those who do not want standard conforming code probably ought to be
> using -ffast-math.  I *much* prefer to keep the compiler standards 
> conforming.

I think there is general agreement on that (without -ffast-math).
But Fariborz's change is done only with flag_unsafe_math_optimizations.