On Mon, Jun 10, 2013 at 6:00 PM, David Edelsohn <dje....@gmail.com> wrote: > On Mon, Jun 10, 2013 at 8:26 PM, Alan Modra <amo...@gmail.com> wrote: > >> The following patch disables lower-subreg for double double TFmode, >> bootstrap and regression tests are OK, but I'm a little unsure whether >> this is the right thing to do. >> >> * rs6000.c (TARGET_INIT_LOWER_SUBREG): Define. >> (rs6000_init_lower_subreg): New function. >> * lower-subreg.c (init_lower_subreg): Call targetm.init_lower_subreg. >> * target.def (init_lower_subreg): New. >> * doc/tm.texi.in (TARGET_INIT_LOWER_SUBREG): Document. >> * doc/tm.texi: Regenerate. > > I agree with the rs6000 bits. You need someone else to approve the > common bits. This also needs a testcase.
I thought there was a way already to disable lower subreg already for some modes. Thanks, Andrew > > Thanks, David
