Re: [PATCH, rs6000] Update Power7 scheduling

[David Edelsohn <dje dot gcc at gmail dot com>]

On Thu, Oct 27, 2011 at 6:14 PM, Pat Haugen <pthaugen@linux.vnet.ibm.com> wrote:
> The following patch fixes some issues with the Power7 scheduling
> description. The patch is neutral on cpu2006 (was actually hoping to see
> some improvements, but it's still the right thing to do since it more
> accurately describes the hardware).
>
> Bootstrap/regtest on powerpc64-linux with no new regressions. Ok for trunk?
>
> -Pat
>
>
> 2011-10-27 ?Pat Haugen <pthaugen@us.ibm.com>
>
> ? ? ? ?* config/rs6000/rs6000.md (define_attr "type"): Add vecdouble.
> ? ? ? ?* config/rs6000/vsx.md (VStype_simple, VStype_mul): Use vecdouble
> ? ? ? ?type for V2DF.
> ? ? ? ?(VStype_div): Use vector types for V2DF/V4SF.
> ? ? ? ?(VStype_sqrt): Use *sqrt types.
> ? ? ? ?(VS_spdp_type): Change type to vecdouble.
> ? ? ? ?(*vsx_fmav2df4, *vsx_nfmsv2df4, vsx_xvcvdpsxws, vsx_xvcvdpuxws,
> ? ? ? ?vsx_xvcvuxdsp, vsx_xvcvsxwdp, vsx_xvcvuxwdp, vsx_xvcvspsxds,
> ? ? ? ?vsx_xvcvspuxds): Likewise.
> ? ? ? ?(*vsx_fms<mode>4): Set type via <VStype_mul>.
> ? ? ? ?(*vsx_eq_<mode>_p, *vsx_gt_<mode>_p, *vsx_ge_<mode>_p): Set type via
> ? ? ? ?<VStype_simple>.
> ? ? ? ?* config/rs6000/power7.md (power7-vecstore): Correct VSU pipe.
> ? ? ? ?(power7-fpcompare, power7-sdiv, power7-ddiv, power7-sqrt,
> ? ? ? ?power7-dsqrt): Correct insn latency.
> ? ? ? ?(power7-vecsimple): Add veccmp type and correct dispatch/VSU values.
> ? ? ? ?(power7-veccmp): Delete.
> ? ? ? ?(power7-vecfloat): Correct latency/dispatch/VSU values.
> ? ? ? ?(define_bypass "power7-vecfloat"): Correct latency and types.
> ? ? ? ?(power7-veccomplex, power7-vecperm): Correct dispatch/VSU values.
> ? ? ? ?(power7-vecdouble, power7-vecfdiv, power7-vecdiv): New.

Okay.

Thanks, David