Hi!
On Tue, Nov 05, 2019 at 10:14:46AM +0800, Kewen.Lin wrote:
> >> + benefits were observed on Power8 and up, we can unify it if similar
> >> + profits are measured on Power6 and Power7. */
> >> + if (TARGET_P8_VECTOR)
> >> +return 2;
> >> + else
> >> +return 1;
> >
> > Hrm, b
Hi Segher,
Thanks for the comments!
on 2019/11/5 上午4:21, Segher Boessenkool wrote:
> Hi!
>
> On Mon, Nov 04, 2019 at 03:16:06PM +0800, Kewen.Lin wrote:
>> To align with rs6000_insn_cost costing more for load type insns,
>
> (Which itself has history in rs6000_rtx_costs).
>
>> this patch is to
Hi!
On Mon, Nov 04, 2019 at 03:16:06PM +0800, Kewen.Lin wrote:
> To align with rs6000_insn_cost costing more for load type insns,
(Which itself has history in rs6000_rtx_costs).
> this patch is to make load insns cost more in vectorization cost
> function. Considering that the result of load us
Hi,
To align with rs6000_insn_cost costing more for load type insns,
this patch is to make load insns cost more in vectorization cost
function. Considering that the result of load usually is used
somehow later (true-dep) but store won't, we keep the store as
before.
The SPEC2017 performance eval
