Geert Bosch <[EMAIL PROTECTED]> writes: > On Oct 27, 2005, at 14:12, Eric Botcazou wrote: >> I'm under the impression that it's worse on IA-64 because of the >> "infinite >> precision", but I might be wrong. > > Fused multiply-add always uses "infinite precision" in the intermediate > result. Only a single rounding is performed at the end. We really should > have a way to express situations where operations may or may not be > contracted, instead of having to do this on a whole-compilation level.
I think this is what the FP_CONTRACT pragma is supposed to provide. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
