On Fri, 2005-05-27 at 12:47 +0200, Vincent Lefevre wrote: > On 2005-05-26 09:14:40 -0400, Daniel Berlin wrote: > > On Thu, 26 May 2005, Vincent Lefevre wrote: > > >On 2005-05-25 19:27:21 +0200, Allan Sandfeld Jensen wrote: > > >>Yes. I still don't understand why gcc doesn't do -ffast-math by > > >>default like all other compilers. > > > > > >No! And I really don't think that other compilers do that. > > > > Have you looked, or are you just guessing? > > Just guessing (I said "I don't think"). > > > I know for a fact that XLC does it at -O3+, and unless i'm > > misremembering, icc does it at -O2+. > > But do they use -O3 and -O2 by default?
ICC does, yes. I don't remember the XLC default opt level. As someone else pointed out, DEC, HP,etc, do this stuff by default too.
