Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-07-02 Thread Richard Biener via Gcc-patches
On Fri, Jul 2, 2021 at 3:37 AM Bin.Cheng wrote: > > On Thu, Jul 1, 2021 at 8:19 PM Richard Biener > wrote: > > > > On Mon, Jun 7, 2021 at 4:35 PM Richard Biener > > wrote: > > > > > > On Sun, Jun 6, 2021 at 12:01 PM Bin.Cheng wrote: > > > > > > > > On Wed, Jun 2, 2021 at 3:28 PM Richard Biener

Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-07-01 Thread Bin.Cheng via Gcc-patches
On Thu, Jul 1, 2021 at 8:19 PM Richard Biener wrote: > > On Mon, Jun 7, 2021 at 4:35 PM Richard Biener > wrote: > > > > On Sun, Jun 6, 2021 at 12:01 PM Bin.Cheng wrote: > > > > > > On Wed, Jun 2, 2021 at 3:28 PM Richard Biener via Gcc-patches > > > wrote: > > > > > > > > On Tue, Jun 1, 2021 at

Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-07-01 Thread Richard Biener via Gcc-patches
On Mon, Jun 7, 2021 at 4:35 PM Richard Biener wrote: > > On Sun, Jun 6, 2021 at 12:01 PM Bin.Cheng wrote: > > > > On Wed, Jun 2, 2021 at 3:28 PM Richard Biener via Gcc-patches > > wrote: > > > > > > On Tue, Jun 1, 2021 at 4:00 PM bin.cheng via Gcc-patches > > > wrote: > > > > > > > > Hi, > > >

Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-06-07 Thread Richard Biener via Gcc-patches
On Sun, Jun 6, 2021 at 12:01 PM Bin.Cheng wrote: > > On Wed, Jun 2, 2021 at 3:28 PM Richard Biener via Gcc-patches > wrote: > > > > On Tue, Jun 1, 2021 at 4:00 PM bin.cheng via Gcc-patches > > wrote: > > > > > > Hi, > > > As described in patch summary, this fixes the wrong code issue by adding

Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-06-06 Thread Bin.Cheng via Gcc-patches
On Wed, Jun 2, 2021 at 3:28 PM Richard Biener via Gcc-patches wrote: > > On Tue, Jun 1, 2021 at 4:00 PM bin.cheng via Gcc-patches > wrote: > > > > Hi, > > As described in patch summary, this fixes the wrong code issue by adding > > overflow-ness > > check for iv1.step - iv2.step. > > > >

Re: [PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-06-02 Thread Richard Biener via Gcc-patches
On Tue, Jun 1, 2021 at 4:00 PM bin.cheng via Gcc-patches wrote: > > Hi, > As described in patch summary, this fixes the wrong code issue by adding > overflow-ness > check for iv1.step - iv2.step. > > Bootstrap and test on x86_64. Any comments? + bool wrap_p = TYPE_OVERFLOW_WRAPS

[PATCH PR100740]Fix overflow check in simplifying exit cond comparing two IVs.

2021-06-01 Thread bin.cheng via Gcc-patches
Hi, As described in patch summary, this fixes the wrong code issue by adding overflow-ness check for iv1.step - iv2.step. Bootstrap and test on x86_64. Any comments? Thanks, bin pr100740-20210525.txt Description: Binary data