Re: [PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

On Tue, Jun 2, 2015 at 4:40 PM, Richard Biener richard.guent...@gmail.com wrote: On Tue, Jun 2, 2015 at 4:55 AM, Bin.Cheng amker.ch...@gmail.com wrote: On Mon, Jun 1, 2015 at 6:45 PM, Richard Biener richard.guent...@gmail.com wrote: On Tue, May 26, 2015 at 1:04 PM, Bin Cheng bin.ch...@arm.com

Re: [PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

On Tue, Jun 2, 2015 at 4:55 AM, Bin.Cheng amker.ch...@gmail.com wrote: On Mon, Jun 1, 2015 at 6:45 PM, Richard Biener richard.guent...@gmail.com wrote: On Tue, May 26, 2015 at 1:04 PM, Bin Cheng bin.ch...@arm.com wrote: Hi, My first part patch improving how we handle overflow in scev is

Re: [PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

On Tue, Jun 2, 2015 at 11:30 AM, Bin.Cheng amker.ch...@gmail.com wrote: On Tue, Jun 2, 2015 at 4:40 PM, Richard Biener richard.guent...@gmail.com wrote: On Tue, Jun 2, 2015 at 4:55 AM, Bin.Cheng amker.ch...@gmail.com wrote: On Mon, Jun 1, 2015 at 6:45 PM, Richard Biener

Re: [PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

On Tue, May 26, 2015 at 1:04 PM, Bin Cheng bin.ch...@arm.com wrote: Hi, My first part patch improving how we handle overflow in scev is posted at https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01795.html . Here comes the second part patch. This patch does below improvements: 1) Computes

Re: [PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

On Mon, Jun 1, 2015 at 6:45 PM, Richard Biener richard.guent...@gmail.com wrote: On Tue, May 26, 2015 at 1:04 PM, Bin Cheng bin.ch...@arm.com wrote: Hi, My first part patch improving how we handle overflow in scev is posted at https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01795.html . Here

[PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

Hi, My first part patch improving how we handle overflow in scev is posted at https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01795.html . Here comes the second part patch. This patch does below improvements: 1) Computes and records control iv for each loop's exit edge. This provides a way to

[PATCH GCC]Improve how we handle overflow in scev by using overflow information computed for control iv in loop niter, part II

Hi, My first part patch improving how we handle overflow in scev is posted at https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01795.html . Here comes the second part patch. This patch does below improvements: 1) Computes and records control iv for each loop's exit edge. This provides a way to