On Thu, Sep 26, 2013 at 4:51 PM, Michael Meissner <meiss...@linux.vnet.ibm.com> wrote: > I discovered that I was setting the wv/wu constraints incorrectly to > ALTIVEC_REGS, which leads to reload failures in some cases. > > Is this patch ok to apply along with the previous patch assuming it bootstraps > and has no regressions with make check? It builds the programs that had > failures with the previous patch. > > 2013-09-26 Michael Meissner <meiss...@linux.vnet.ibm.com> > > * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Don't > allow wv/wu constraints to be ALTIVEC_REGISTERS unless DF/SF can > occupy the Altivec registers.
Okay. Can you add a testcase to catch this in the future? Thanks, David