On Wed, Aug 08, 2001 at 11:02:44AM -0400, J. Scott Kasten wrote: > gcc -mips3 -mint64 test.c -o test > > The file command says: > > test: ELF N32 MSB mips-3 dynamic executable (not stripped) MIPS - version 1 > > Run: > > sizeof(int) = 8, sizeof(*) = 8 > Result: 11 > > If we look at the assembly, we see a sign extended 64 bit load, and a 64 > bit add. So we are indeed generating 64 bit instructions, at least in > some cases. > > dli $3,0xa # 10 > <snip> > daddu $3,$2,1 > > Does N32 legitimately allow 64 bit instructions, Yes. Hey, that's the 80% of the purpose of N32! > or is this an example of code that I've truely "munged" togeather? Doubleplusyesyesyes :-) -mint64 is not valid for any MIPS code model. Gas is royally b0rken for N32. If you really want to read about N32 get the respective docs from techpubs.sgi.com. Ralf
