Do C++ signed types have modulo semantics?

[Steven Bosscher]

On Wednesday 29 June 2005 20:01, Daniel Berlin wrote:
> So i would advise anyone arguing against turning on -fwrapv simply
> because it doesn't seem to hurt us at O2.

wtf, "doesn't seem to hurt us at -O2".  Look again at the 64 bits
numbers!  Losing 5% on the fp benchmarks is a serious regression.
Even without exercising the heavy-ammo loop optimizers, -fwrapv is
a serious performance-hurter.

Gr.
Steven