On 4/27/19 9:26 AM, Segher Boessenkool wrote: > On Sat, Apr 27, 2019 at 08:37:37AM -0600, Jeff Law wrote: >> To fix this without having the two mode pattern I've proposed or a >> pattern which matches the subreg mess above we'd need combine or >> simplify-rtx to simplify the above into something like this (From Andrew P): > > Combine will do this just fine, if the backend didn't force DImode for > extv? Can the extv pattern be made to work for GPI? It certainly doesn't. Even if the extv expander is changed into an extv<mode> for SI and DI.
jeff
