On Sat, Sep 24, 2016 at 5:36 AM, kugan
wrote:
> Hi Richard,
>
> There is also one more issue as reported by Pat Haugen. That is, in
> converting value_range of ssa (which we get from get_range_info) to
> argument type, my implementation is too simplistic and wrong at times. I can
> check TYPE_UNS
Hi Richard,
There is also one more issue as reported by Pat Haugen. That is, in
converting value_range of ssa (which we get from get_range_info) to
argument type, my implementation is too simplistic and wrong at times. I
can check TYPE_UNSIGNED here but that would be pessimistic.
tree-vrp a
On Fri, Sep 23, 2016 at 10:58 AM, kugan
wrote:
> Hi Richard,
>
> Thanks for the review.
>
> On 23/09/16 17:19, Richard Biener wrote:
>>
>> On Fri, Sep 23, 2016 at 12:24 AM, kugan
>> wrote:
>>>
>>> Hi,
>>> As Richard pointed out in PR77677, TREE_OVERFLOW is not cleared in
>>> IPA-VRP.
>>> There ar
Hi Richard,
Thanks for the review.
On 23/09/16 17:19, Richard Biener wrote:
On Fri, Sep 23, 2016 at 12:24 AM, kugan
wrote:
Hi,
As Richard pointed out in PR77677, TREE_OVERFLOW is not cleared in IPA-VRP.
There are three places in which we set value_range:
1. When value ranges are obtained fr
On Fri, Sep 23, 2016 at 12:24 AM, kugan
wrote:
> Hi,
> As Richard pointed out in PR77677, TREE_OVERFLOW is not cleared in IPA-VRP.
> There are three places in which we set value_range:
>
>
> 1. When value ranges are obtained from SSA_NAME with get_range_info with
> wide_int_to_tree. In this case w