Re: [PATCH] rs6000: Enhance lowpart/highpart DI->SF by mtvsrws/mtvsrd

2023-01-10 Thread Jiufu Guo via Gcc-patches
Hi Segher, Thanks for your help to review! Segher Boessenkool writes: > Hi! > > On Tue, Jan 10, 2023 at 09:45:27PM +0800, Jiufu Guo wrote: >> As mentioned in PR108338, on p9, we could use mtvsrws to implement >> the conversion from SI#0 to SF (or lowpart DI to SF). And we find >> we can also e

Re: [PATCH] rs6000: Enhance lowpart/highpart DI->SF by mtvsrws/mtvsrd

2023-01-10 Thread Segher Boessenkool
Hi! On Tue, Jan 10, 2023 at 09:45:27PM +0800, Jiufu Guo wrote: > As mentioned in PR108338, on p9, we could use mtvsrws to implement > the conversion from SI#0 to SF (or lowpart DI to SF). And we find > we can also enhance the conversion from highpart DI to SF (as the > case in this patch). > > T