On 03/16/12 05:36, Bernd Schmidt wrote: > The machine is "special". Pointer addition is a different operation than > integer addition. It'll also need a new ptr_plus rtx code which takes a > Pmode and an SImode operand. Pmode is larger than SImode but fits in a > single register; intptr_t (which is what we'd need to use if we freely > cast between pointers and integers is DImode - that requires two regs > and can't be used for memory addressing.
Surely the least amount of work is to not use sizetype/intptr_t, but a custom type that has the same bit-width as a pointer? r~
