On 8/31/18 10:41 AM, Matthew Malcomson wrote: > I'm looking into whether it's possible to require even numbered registers on > modes that need more than one hard-register to represent them. But only in > some cases.
Yes, it's possible. You can look at TDmode (128-bit decimal floating point) on powerpc64*-linux, which is only allowed in even-odd register pairs. It's in *all* cases though, not some of the time. Peter
