Re: [PATCH] rs6000: Add eqsi/nesi storing to a 64-bit reg (PR36557)

2015-01-07 Thread David Edelsohn
On Wed, Jan 7, 2015 at 8:28 PM, Segher Boessenkool wrote: > The compiler cannot assume that the eqsi etc. patterns write a properly > extended result to a DI reg. The current way to tell it is to add an > extra pattern with an extend. This patch does that. A less cumbersome > method of specifyi

[PATCH] rs6000: Add eqsi/nesi storing to a 64-bit reg (PR36557)

2015-01-07 Thread Segher Boessenkool
The compiler cannot assume that the eqsi etc. patterns write a properly extended result to a DI reg. The current way to tell it is to add an extra pattern with an extend. This patch does that. A less cumbersome method of specifying this would be nice -- maybe one where we say in the SI pattern t