On Mon, Jan 13, 2014 at 2:29 PM, Jeff Law wrote:
> On 01/11/14 02:21, Bin.Cheng wrote:
>>
>> On Sat, Jan 11, 2014 at 5:07 PM, Jakub Jelinek wrote:
>>>
>>> On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote:
>
> I reduced the case and attached ivopt dumps with/without the patch.
>>>
On 01/11/14 02:21, Bin.Cheng wrote:
On Sat, Jan 11, 2014 at 5:07 PM, Jakub Jelinek wrote:
On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote:
I reduced the case and attached ivopt dumps with/without the patch.
It seems the patch is doing right thing and choosing better
candidates, most
On 01/11/14 02:07, Jakub Jelinek wrote:
On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote:
I reduced the case and attached ivopt dumps with/without the patch.
It seems the patch is doing right thing and choosing better
candidates, most likely it reveals an existing bug.
I am looking into
On Sat, Jan 11, 2014 at 5:07 PM, Jakub Jelinek wrote:
> On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote:
>> > I reduced the case and attached ivopt dumps with/without the patch.
>> > It seems the patch is doing right thing and choosing better
>> > candidates, most likely it reveals an ex
On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote:
> > I reduced the case and attached ivopt dumps with/without the patch.
> > It seems the patch is doing right thing and choosing better
> > candidates, most likely it reveals an existing bug.
> > I am looking into this issue, in the meantim
On Sat, Jan 11, 2014 at 2:42 PM, Bin.Cheng wrote:
> On Wed, Dec 11, 2013 at 4:18 AM, Jeff Law wrote:
>> On 12/10/13 00:01, bin.cheng wrote:
>>>
>>> Emm, some kind of. See the cost of iv candidate set consists of several
>>> parts, the representation cost in cost pair; the register pressure cost
On 12/10/13 00:01, bin.cheng wrote:
Emm, some kind of. See the cost of iv candidate set consists of several
parts, the representation cost in cost pair; the register pressure cost
falls in dependence on invariant expressions, etc.. Here iv_ca_has_deps
checks whether new cost pair depends on oth
> -Original Message-
> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches-
> ow...@gcc.gnu.org] On Behalf Of Jeff Law
> Sent: Tuesday, December 10, 2013 6:31 AM
> To: Bin.Cheng
> Cc: gcc-patches List; Richard Biener; Zdenek Dvorak
> Subject: Re: [Ping]Two
On 11/26/13 03:52, Bin.Cheng wrote:
On Tue, Nov 26, 2013 at 6:06 AM, Jeff Law wrote:
On 11/25/13 02:11, Bin.Cheng wrote:
Slightly tune to make iv cand choosing algorithm more accurate:
http://gcc.gnu.org/ml/gcc-patches/2013-11/msg01574.html
It would help if you had some sample codes where
On 12/06/13 02:37, Bin.Cheng wrote:
Do you have any codes where iv_ca_extend helps? I can see how that hunk
appears to be safe, and I'm guessing that setting the cost pair at each step
could potentially give more accurate costing on the next iteration of the
loop. But I'd love to be able to se
On Fri, Dec 6, 2013 at 2:10 PM, Jeff Law wrote:
> On 11/26/13 03:52, Bin.Cheng wrote:
>>
>> On Tue, Nov 26, 2013 at 6:06 AM, Jeff Law wrote:
>>>
>>> On 11/25/13 02:11, Bin.Cheng wrote:
Slightly tune to make iv cand choosing algorithm more accurate:
http://gcc.gnu.org/ml/g
On 11/26/13 03:52, Bin.Cheng wrote:
On Tue, Nov 26, 2013 at 6:06 AM, Jeff Law wrote:
On 11/25/13 02:11, Bin.Cheng wrote:
Slightly tune to make iv cand choosing algorithm more accurate:
http://gcc.gnu.org/ml/gcc-patches/2013-11/msg01574.html
It would help if you had some sample codes where
On 11/25/13 02:11, Bin.Cheng wrote:
Slightly tune to make iv cand choosing algorithm more accurate:
http://gcc.gnu.org/ml/gcc-patches/2013-11/msg01574.html
It would help if you had some sample codes where this patch was useful.
I can kind-of see what's going on, but I'm way too unfamiliar with
Hi all,
There are still two patches on IVOPT pending for review now. Since
others have already approved and applied, I am wondering whether these
two can be reviewed and get in if ok.
Improve IVOPT to handle outside and inside loop iv uses differently in GCC:
http://gcc.gnu.org/ml/gcc-patches/201
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