Ok, How could I propose an upgrade to that ? to assume 48-bits ?
Because I would like to push a 64-bit implementation, in fact I'm working on it. Regards, Luis Vitorio. On Tue, Feb 25, 2014 at 5:59 PM, Peter Gavin <[email protected]> wrote: > On Tue, Feb 25, 2014 at 8:43 PM, Luís Vitório Cargnini < > [email protected]> wrote: > >> Hello, >> >> Please I need some clarification regarding the 64-bits address space. >> for example let's assume the add operation l.addi, in 32 bits it is >> >> opcode D,A,Imm >> 6 5,5,16 (bits) >> in 64-bits how would that be ? I'll assume 48b of Immediate ? >> > > AFAIK OR64 still uses 32-bit instructions. So immediates are still 16 > bits. > > Only the register file, address and data buses are 64 bits. > > In any case, OR64 hasn't really been developed. Binutils is probably > partway there (I tried to keep the cgen stuff as compatible with it as > possible) but that's about it. > > -Pete >
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