Thanks for your pointing. I'll try my best.
2010/12/21 Ian Lance Taylor <i...@google.com>: > Liu <pro...@gmail.com> writes: > >> I changed FIXED_REGISTERS into 0, FIXED_REGISTERS into 1, >> CALL_REALLY_USED_REGISTERS into 1. >> >> build and test it, but I still get the same error. > > Have you updated HARD_REGNO_MODE_OK? > > I encourage you to carefully read the gcc internals manual. It's pretty > good on this kind of thing. > > Ian >