Re: [gsoc 2014] moving fold-const patterns to gimple

2014-03-07 Thread Richard Biener
On Thu, Mar 6, 2014 at 7:17 PM, Prathamesh Kulkarni wrote: > On Thu, Mar 6, 2014 at 6:13 PM, Richard Biener > wrote: >> On Thu, Mar 6, 2014 at 1:11 PM, Prathamesh Kulkarni >> wrote: >>> On Mon, Mar 3, 2014 at 3:32 PM, Richard Biener >>> wrote: On Sun, Mar 2, 2014 at 9:13 PM, Prathamesh Kul

Re: [RFC] Meta-description for tree and gimple folding

2014-03-07 Thread Kai Tietz
2014-03-04 14:14 GMT+01:00 Richard Biener : > On Mon, 3 Mar 2014, Kai Tietz wrote: > >> 2014-03-03 12:33 GMT+01:00 Richard Biener : >> > On Fri, 28 Feb 2014, Kai Tietz wrote: >> > >> >> Hmm, this all reminds me about the approach Andrew Pinski and I came >> >> up with two years ago. >> > >> > You

Re: [RFC] Meta-description for tree and gimple folding

2014-03-07 Thread Richard Biener
On Fri, 7 Mar 2014, Kai Tietz wrote: > 2014-03-04 14:14 GMT+01:00 Richard Biener : > > On Mon, 3 Mar 2014, Kai Tietz wrote: > > > >> 2014-03-03 12:33 GMT+01:00 Richard Biener : > >> > On Fri, 28 Feb 2014, Kai Tietz wrote: > >> > > >> >> Hmm, this all reminds me about the approach Andrew Pinski an

Re: Please have a look at PR60438

2014-03-07 Thread lin zuojian
Hi, I have found the cause: Okay let me sum it up: at first the code looks like this call xxx: .cfa 92 float ops add sp 12 .cfa 80 And then split2 splits the float ops,then it looks like this call xxx: .cfa 92 push edx float ops2 add sp 4 ... ad

ira marks conflict with hard register, can't explain it.

2014-03-07 Thread Paulo Matos
Hello, I have been trying to understand why IRA is marking a register to conflict with a hard register but can't find a good explanation. Before IRA pass I have the following insn chain in bb2: (insn 15 16 21 2 (set (reg/v/f:SI 122 [ pdata ]) (reg:SI 0 r0 [ pdata ])) ../src/bdv258_limt_p

RE: Shouldn't unsafe-math-optimizations (re-)enable fp-contract=fast?

2014-03-07 Thread Ian Bolton
> -Original Message- > From: Joseph S. Myers > On Thu, 6 Mar 2014, Ian Bolton wrote: > > > I see in common.opt that fp-contract=fast is the default for GCC. > > > > But then it gets disabled in c-family/c-opts.c if you are using ISO C > > (e.g. with -std=c99). > > > > But surely if you ha

Re: [buildrobot] Ada/VMS code won't build

2014-03-07 Thread Douglas B Rupp
Yes, easy fix. An enhancement to config/vms/vms.opt is needed for the missing variable. I'll get it sorted out. --Doug On 03/06/2014 05:35 PM, Jan-Benedict Glaw wrote: Hi Doug! Your recent VMS change committed by Arnaud Charlet won't build, see eg. build log [1] for build #154768 [2], which

RE: Shouldn't unsafe-math-optimizations (re-)enable fp-contract=fast?

2014-03-07 Thread Ian Bolton
> Thanks for the feedback, Joseph. > > I've been working on the patch, but I see in gcc/opts.c that there is > a definite distinction between set_fast_math_flags and > set_unsafe_math_optimizations_flags. I'm thinking this is more of a > fast-math thing than an unsafe_math_optimizations thing, so

Re: [RFC][PATCH 0/5] arch: atomic rework

2014-03-07 Thread Torvald Riegel
On Wed, 2014-03-05 at 10:01 -0800, Paul E. McKenney wrote: > On Wed, Mar 05, 2014 at 05:26:36PM +0100, Torvald Riegel wrote: > > xagsmtp3.20140305162928.8...@uk1vsc.vnet.ibm.com > > X-Xagent-Gateway: uk1vsc.vnet.ibm.com (XAGSMTP3 at UK1VSC) > > > > On Tue, 2014-03-04 at 11:00 -0800, Paul E. McKenn

Re: [RFC][PATCH 0/5] arch: atomic rework

2014-03-07 Thread Torvald Riegel
On Wed, 2014-03-05 at 10:15 -0800, Paul E. McKenney wrote: > On Wed, Mar 05, 2014 at 05:54:59PM +0100, Torvald Riegel wrote: > > On Tue, 2014-03-04 at 13:35 -0800, Paul E. McKenney wrote: > > > On Tue, Mar 04, 2014 at 11:00:32AM -0800, Paul E. McKenney wrote: > > > > On Mon, Mar 03, 2014 at 09:46:1

Re: [RFC][PATCH 0/5] arch: atomic rework

2014-03-07 Thread Paul E. McKenney
On Fri, Mar 07, 2014 at 06:45:57PM +0100, Torvald Riegel wrote: > xagsmtp5.20140307174618.3...@vmsdvm6.vnet.ibm.com > X-Xagent-Gateway: vmsdvm6.vnet.ibm.com (XAGSMTP5 at VMSDVM6) > > On Wed, 2014-03-05 at 10:01 -0800, Paul E. McKenney wrote: > > On Wed, Mar 05, 2014 at 05:26:36PM +0100, Torvald Ri

Re: [RFC][PATCH 0/5] arch: atomic rework

2014-03-07 Thread Paul E. McKenney
On Fri, Mar 07, 2014 at 07:33:25PM +0100, Torvald Riegel wrote: > On Wed, 2014-03-05 at 10:15 -0800, Paul E. McKenney wrote: > > On Wed, Mar 05, 2014 at 05:54:59PM +0100, Torvald Riegel wrote: > > > On Tue, 2014-03-04 at 13:35 -0800, Paul E. McKenney wrote: > > > > On Tue, Mar 04, 2014 at 11:00:32A