Re: [PATCH], Improve moving SFmode to GPR on PowerPC, #4 of 8

2017-09-26 Thread Segher Boessenkool
On Tue, Sep 26, 2017 at 10:36:34AM -0400, Michael Meissner wrote: > * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Move insn so that > it is adjacent to the other XSCVSPDP insns. Okay for trunk. Thanks, Segher

Re: [PATCH], Improve moving SFmode to GPR on PowerPC, #4 of 8

2017-09-26 Thread Michael Meissner
Off list, Segher asked that I break the patch eliminating a shift right when transfering SFmode from a vector register to a GPR register down into smaller chunks. The power7 and power8 instructions that convert values in the double precision format to single precision actually duplicate the 32-bit