On Tue, May 31, 2016 at 07:49:55PM -0400, Michael Meissner wrote: > This patch adds support to issue the MTVSRDD on 64-bit ISA 3.0 systems when > the > compiler has a 64-bit value in a GPR, and it wants to create a vector that has > the 64-bit value in both sides of the 128-bit value.
> ;; V2DF/V2DI splat > (define_insn "vsx_splat_<mode>" > - [(set (match_operand:VSX_D 0 "vsx_register_operand" > "=wd,wd,wd,?<VSa>,?<VSa>,?<VSa>") > + [(set (match_operand:VSX_D 0 "vsx_register_operand" "=<VSa>,<VSa>,we") > (vec_duplicate:VSX_D > - (match_operand:<VS_scalar> 1 "splat_input_operand" > "<VS_64reg>,f,Z,<VSa>,<VSa>,Z")))] > + (match_operand:<VS_scalar> 1 "splat_input_operand" "<VS_64reg>,Z,r")))] > "VECTOR_MEM_VSX_P (<MODE>mode)" > "@ > xxpermdi %x0,%x1,%x1,0 > - xxpermdi %x0,%x1,%x1,0 > lxvdsx %x0,%y1 > - xxpermdi %x0,%x1,%x1,0 > - xxpermdi %x0,%x1,%x1,0 > - lxvdsx %x0,%y1" > - [(set_attr "type" "vecperm,vecperm,vecload,vecperm,vecperm,vecload")]) > + mtvsrdd %x0,%1,%1" > + [(set_attr "type" "vecperm,vecload,mftgpr")]) It should use "b" instead of "r" for the mtvsrdd case. Okay for trunk with that change, after retesting. Okay for 6 later, too. Thanks, Segher
