Re: [RFC] Implementing detection of saturation and rounding arithmetic

2021-06-08 Thread Andre Simoes Dias Vieira via Gcc-patches
Hi Bin, Thank you for the reply, I have some questions, see below. On 07/06/2021 12:28, Bin.Cheng wrote: On Fri, Jun 4, 2021 at 12:35 AM Andre Vieira (lists) via Gcc-patches wrote: Hi Andre, I didn't look into the details of the IV sharing RFC. It seems to me costing outside uses is trying t

Re: [RFC] Implementing detection of saturation and rounding arithmetic

2021-06-07 Thread Bin.Cheng via Gcc-patches
On Fri, Jun 4, 2021 at 12:35 AM Andre Vieira (lists) via Gcc-patches wrote: > > Hi, > > This RFC is motivated by the IV sharing RFC in > https://gcc.gnu.org/pipermail/gcc-patches/2021-May/569502.html and the > need to have the IVOPTS pass be able to clean up IV's shared between > multiple loops. W

[RFC][ivopts] Generate better code for IVs with uses outside the loop (was Re: [RFC] Implementing detection of saturation and rounding arithmetic)

2021-06-03 Thread Andre Vieira (lists) via Gcc-patches
Streams got crossed there and used the wrong subject ... On 03/06/2021 17:34, Andre Vieira (lists) via Gcc-patches wrote: Hi, This RFC is motivated by the IV sharing RFC in https://gcc.gnu.org/pipermail/gcc-patches/2021-May/569502.html and the need to have the IVOPTS pass be able to clean up