Re: [PATCH V4] A jump threading opportunity for condition branch

On 6/14/19 6:51 AM, Jiufu Guo wrote: > Jeff Law writes: > >> On 6/3/19 11:28 PM, Jiufu Guo wrote: >>> >>> Hi, >>> >>> This patch implements a new opportunity of jump threading for PR77820. >>> In this optimization, conditional jumps are merged with unconditional >>> jump. And then moving CMP resu

Re: [PATCH V4] A jump threading opportunity for condition branch

Jeff Law writes: > On 6/3/19 11:28 PM, Jiufu Guo wrote: >> >> Hi, >> >> This patch implements a new opportunity of jump threading for PR77820. >> In this optimization, conditional jumps are merged with unconditional >> jump. And then moving CMP result to GPR is eliminated. >> >> This version i

Re: [PATCH V4] A jump threading opportunity for condition branch

On 6/3/19 11:28 PM, Jiufu Guo wrote: > > Hi, > > This patch implements a new opportunity of jump threading for PR77820. > In this optimization, conditional jumps are merged with unconditional > jump. And then moving CMP result to GPR is eliminated. > > This version is based on the proposal of Ri