Hello, I should add that it is for the reasons you listed that Redhat uses -mieee as the default for the Alpha Architecture. SuSe uses -mieee as the default. Gentoo uses -mieee as the default.
Best Regards, --George On Thursday 19 June 2003 10:58 pm, Tyson Whitehead wrote: > I wrote the original email after a week that went something like this. > > Day #1: > Hummm, let's browse the web. Oh, Konqueor SIGFPEs. > A good portion of the rest of the day spent recompiling. > Day #2: > Hummm, let's import an Excel spreadsheet. Oh, KSpread SIGFPEs. > A good portion of the rest of the day spent recompiling. > Day #3: > Hummm, let's create a presentation. Oh, KPresenter SIGFPEs. > A good portion of the rest of the day spent recompiling. > Day #4: > Hummm, let's listen to some music. Oh, mpg321 SIGFPEs. > Hummm, let's view that video. Oh, Xine SIGFPEs. > etc... > > By the term default, I was referring to the 95% (probably more like 99%) of > the (11858) Debian packages that you won't be using to perform your 30 day > numerical simulations. The user/desktop applications. > > If you guys have figured out that ATLAS/BLAS, LAPACK, etc, runs fine > without -mieee, that's fine by me. In my books those apps/libs are all > highly specialized. I expect the package maintainers to use non-default > compilation flags (i.e. to specify things like -O6 *grin*, > -fstrict-aliasing, and not things like -mieee). > > So, I ask again, could we make -mieee the default (i.e. applying it to the > 99% of the apps where optimization means specifying -O3 and not -g)? > > -T > > PS: As was mentioned earlier, isn't the point of not using -mieee kind of > irrelevant anyway, as modern Alapha architectures (i.e. 21264 [ev6] and > later) aren't slowed down by imprecise exception handling anyway (trapb > instructions are simply dropped)?
