[LLVMdev] Overlapping register classes

Eli Friedman eli.friedman at gmail.com
Mon Mar 16 02:25:22 PDT 2009


On Sun, Mar 15, 2009 at 2:02 PM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
> Am I misusing register classes, or is this simply functionality that has
> not been written yet? The existing backends seem to have only one
> register class per machine value type.

Have you taken a look at MOV16to16_ in X86InstrInfo.td?  I think the
situation there is similar to your issue.

-Eli



More information about the llvm-dev mailing list