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
