On Wed, Mar 08, 2017 at 04:29:59PM -0600, Pat Haugen wrote: > The following patch fixes an "insn does not match its constraints" ICE > that occurred when copying a VR reg to a GPR when -mno-upper-regs-df is > in effect. The regclass used for the wi/wj constraints was being > incorrectly based on TARGET_UPPER_REGS_DF instead of > TARGET_UPPER_REGS_DI. This patch fixes the initialization of the wi > constraint, which in turn is used to set the value of the wj constraint. > > Bootstrap/regtest on powerp64le and powerpc64 (-m32/-m64) with no new > regressions. Ok for trunk?
That looks correct. Okay for trunk, thanks! Does it need backporting as well? Segher > 2017-03-08 Pat Haugen <pthau...@us.ibm.com> > > PR target/79907 > * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test > TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
