https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63965
--- Comment #10 from Pat Haugen <pthaugen at gcc dot gnu.org> --- (In reply to Michael Meissner from comment #6) > Author: meissner > Date: Fri Nov 21 18:03:09 2014 > New Revision: 217940 > > URL: https://gcc.gnu.org/viewcvs?rev=217940&root=gcc&view=rev > Log: > 2014-11-21 Michael Meissner <meiss...@linux.vnet.ibm.com> > > PR target/63965 > * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Do not set > Altivec & -16 mask if the type is not valid for Altivec registers. > (rs6000_secondary_reload_memory): Add support for ((reg + const) + > reg) that occurs during push_reload processing. > > * config/rs6000/altivec.md (altivec_mov<mode>): Add instruction > alternative for moving constant vectors which are easy altivec > constants to GPRs. Set the length attribute each of the > alternatives. > > > Modified: > trunk/gcc/ChangeLog > trunk/gcc/config/rs6000/rs6000-cpus.def > trunk/gcc/config/rs6000/rs6000.c Looks like the changes checked in do not match the ChangeLog comments, nor the proposed patch from comment #4. Revision 217940 also introduced a trunk build problem when configuring with --with-cpu=power8.
