Re: [PATCH] Modify combine pattern by anding a pseudo with its nonzero bits

2021-11-30 Thread HAO CHEN GUI via Gcc-patches
Hi Segher,    Thanks for your review. Please see my comments. On 1/12/2021 上午 2:11, Segher Boessenkool wrote: > Hi! > > On Tue, Nov 30, 2021 at 04:46:34PM +0800, HAO CHEN GUI wrote: >>     This patch modifies the combine pattern with a helper - >> change_pseudo_and_mask when recog fails. The hel

Re: [PATCH] Modify combine pattern by anding a pseudo with its nonzero bits

2021-11-30 Thread Segher Boessenkool
Hi! On Tue, Nov 30, 2021 at 04:46:34PM +0800, HAO CHEN GUI wrote: >     This patch modifies the combine pattern with a helper - > change_pseudo_and_mask when recog fails. The helper converts a single pseudo > to the pseudo and with a mask if the outer operator is IOR/XOR/PLUS and the > inner op

Re: [PATCH] Modify combine pattern by anding a pseudo with its nonzero bits

2021-11-30 Thread David Edelsohn via Gcc-patches
On Tue, Nov 30, 2021 at 3:46 AM HAO CHEN GUI wrote: > > Hi, > > This patch modifies the combine pattern with a helper - > change_pseudo_and_mask when recog fails. The helper converts a single pseudo > to the pseudo and with a mask if the outer operator is IOR/XOR/PLUS and the > inner operat