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

Hi, Compare with previous version: https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611823.html This patch does not define new insn for mtvsrws, but use exit one. As mentioned in PR108338, on p9, we could use mtvsrws to implement the bitcast from SI#0 to SF (or lowpart DI to SF). For

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

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

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

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). > >

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

Hi, 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). This patch enhances these conversions accordingly. Bootstrap and