How to support 40bit GP register

[Richard Henderson]

On 11/09/2009 06:13 AM, Mohamed Shafi wrote:
>    Ok i have comparison patterns written in RImode. When you say that i
> will wind up with a selection of patterns do you mean to say that i
> should have patterns for operations that operate on full 40bits in
> RImode and disable the corresponding SImode patterns? Or is it that i
> have to write nameless patterns in RImode for arithmetic operations
> and look at the dumps to see how the combiner will merge the patterns
> so that it can match the comparison operations?

The later.


r~