[PATCH v2 1/2] RISC-V: Add shorten_memrefs pass

[Jeff Law]

On 10/26/19 1:33 PM, Andrew Waterman wrote:
> I don't know enough to say whether the legitimize_address hook is
> sufficient for the intended purpose, but I am sure that RISC-V's
> concerns are not unique: other GCC targets have to cope with
> offset-size constraints that are coupled to register-allocation
> constraints.
Yup.  I think every risc port in the 90s faces this problem.  I always
wished for a generic mechanism for ports to handle this problem.

Regardless, it's probably worth investigating.

jeff