Re: [PATCH] rs6000: using li/lis+oris/xoris to build constants

2022-10-25 Thread Jiufu Guo via Gcc-patches
"Kewen.Lin" writes: > Hi Jeff, > > Sorry for late review, some comments are inline. > > on 2022/8/24 16:13, Jiufu Guo via Gcc-patches wrote: >> Hi, >> >> PR106708 constaint some constants which can be support by li/lis + >> oris/xoris. >> >> For constant C: >> if ((c & 0x80008000ULL) =

Re: [PATCH] rs6000: using li/lis+oris/xoris to build constants

2022-10-20 Thread Kewen.Lin via Gcc-patches
Hi Jeff, Sorry for late review, some comments are inline. on 2022/8/24 16:13, Jiufu Guo via Gcc-patches wrote: > Hi, > > PR106708 constaint some constants which can be support by li/lis + oris/xoris. > > For constant C: > if ((c & 0x80008000ULL) == 0x8000ULL) or say: > 32(0)+1(1)+15