> > > Fixes for high level libraries should also be > > > high level (dmult vs __FLT_MAX_EXP__); i.e. there should be no change in > a > > > different package which is specific for MIPS. The type double should > stay > > > double and is handled without a problem when the FPU is 32 bit in ABI > o32. > > > The problem is only with the single/double conversion functions and the > ABI > > > n32. > > > > I didn't quite follow why you specifically say n32 in the last sentence... > > What is harder to fix about n32 than o32? > > "-msingle-float" with n32 creates 64 bit FPU instructions like dmtc1 and > dmfc1. So I can't compile it for r5900. When I disable it, I get internal > compiler errors.
That certainly seems like a bug. Can you file a bug report for that with a test case? I'll try and handle it when I next work on the single-float support in GCC. Did you manage to get the libgcc patch reworked to be independent of r5900? Thanks, Matthew
