Laurent GUERBY <[email protected]> writes: > Hi,
Hi, > > On debian lenny I'm playing with GCC trunk (4.4) to build a tri-ABI > compiler on a lemote netbook (running gnewsense kernel and lenny > userspace). > > My understanding is that lenny userspace is -mabi=32 (o32) and > GCC and libc support abi=32,n32,64, the kernel being 64. > > n32 seems to be more performant than 32, fwiw, it would be also interesting to compare o32 with -march=mips3 with n32. I'm not sure that in such kind of case the differences will be big. > do you know why it is not used by default? I think only irix is using it by default :) As regards linux, imho, nobody's using it due to the amount of bugs hidden waiting for a fix (this is a guess, maybe there are better reason). > Is it unsupported on some hardware? iirc you need mips3 or newer ISA. I'm not sure that there are 64bit mips not fitting in this category. Arnaud -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
