Re: [PATCH V2] A jump threading opportunity for condition branch

2019-06-03 Thread Jiufu Guo
Jeff Law writes: > On 5/30/19 9:03 AM, Jiufu Guo wrote: >> Jeff Law writes: >> >>> On 5/29/19 6:36 AM, Richard Biener wrote: On Tue, 28 May 2019, Jiufu Guo wrote: > Hi, > > This patch implements a new opportunity of jump threading for PR77820. > In this optimization, c

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-31 Thread Richard Biener
On Thu, 30 May 2019, Jeff Law wrote: > On 5/30/19 9:03 AM, Jiufu Guo wrote: > > Jeff Law writes: > > > >> On 5/29/19 6:36 AM, Richard Biener wrote: > >>> On Tue, 28 May 2019, Jiufu Guo wrote: > >>> > Hi, > > This patch implements a new opportunity of jump threading for PR77820. >

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-30 Thread Jeff Law
On 5/30/19 9:03 AM, Jiufu Guo wrote: > Jeff Law writes: > >> On 5/29/19 6:36 AM, Richard Biener wrote: >>> On Tue, 28 May 2019, Jiufu Guo wrote: >>> Hi, This patch implements a new opportunity of jump threading for PR77820. In this optimization, conditional jumps are merged wi

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-30 Thread Jeff Law
On 5/28/19 7:53 AM, 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 Richa

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-30 Thread Jiufu Guo
Jeff Law writes: > On 5/29/19 6:36 AM, Richard Biener wrote: >> On Tue, 28 May 2019, 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

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-29 Thread Jeff Law
On 5/29/19 6:36 AM, Richard Biener wrote: > On Tue, 28 May 2019, 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.

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-29 Thread Richard Biener
On Tue, 28 May 2019, 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 Ric

Re: [PATCH V2] A jump threading opportunity for condition branch

2019-05-28 Thread Jiufu Guo
Jiufu Guo writes: > 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 Richard, Jeff and Andrew