[EMAIL PROTECTED] ( Marc) (A.) (Lehmann ) wrote:
For example, in C, the compiler is legally allowed to transform:
r = (1 - a) * b;
into:
r = a - a * b;
Which might not be the same value. If that is a problem, you either have
to use more sequence points (i.e. multiple statements), or you
On Sun, Jan 18, 2004 at 07:24:01PM +0100, GSR - FR <[EMAIL PROTECTED]> wrote:
> -O2
> -O2 -ffloat-store
> -O2 -fno-strict-aliasing
> -O2 -ffloat-store -fno-strict-aliasing
Just to clarify, -fno-strict-aliasing works around bugs in existing code,
while -ffloat-store ensures that rounding is done at
[EMAIL PROTECTED] (2004-01-17 at 1724.31 +0100):
> a) It has a table of presets that is constructed in an ad hoc manner
> without any explantation what the advantages to the user are.
Did your copy of the first mail I posted lacked:
"Comments about the presets also welcomed, I just made a list of
