> Hi Honza,
>
> I reverted this patch after it was reported that it resulted in
> bootstrap compare failure in some targets.
>
> I reproduced it and tracked to a mistake in the patch that introduced it.
>
> That is, in propagate_vr_accross_jump_function, I had:
>
> if (src_lats->m_value
Hi Honza,
I reverted this patch after it was reported that it resulted in
bootstrap compare failure in some targets.
I reproduced it and tracked to a mistake in the patch that introduced it.
That is, in propagate_vr_accross_jump_function, I had:
if (src_lats->m_value_range.bottom_p
On Tue, Nov 8, 2016 at 10:13 AM, kugan
wrote:
> Hi,
>
>
>
> On 04/11/16 04:36, Martin Jambor wrote:
>>
>> Hi,
>>
>> On Fri, Oct 28, 2016 at 02:03:47PM +1100, kugan wrote:
>>>
>>>
>>> ...snip...
>>>
>>> I have also separated the constant parameter conversion out and posted as
>>> https://gcc.gnu.or
> Hi,
>
>
> On 04/11/16 04:36, Martin Jambor wrote:
> >Hi,
> >
> >On Fri, Oct 28, 2016 at 02:03:47PM +1100, kugan wrote:
> >>
> >>...snip...
> >>
> >>I have also separated the constant parameter conversion out and posted as
> >>https://gcc.gnu.org/ml/gcc-patches/2016-10/msg02309.html. This is now
Hi,
On 04/11/16 04:36, Martin Jambor wrote:
Hi,
On Fri, Oct 28, 2016 at 02:03:47PM +1100, kugan wrote:
...snip...
I have also separated the constant parameter conversion out and posted as
https://gcc.gnu.org/ml/gcc-patches/2016-10/msg02309.html. This is now
handling just unary pass-through
Hi,
On Fri, Oct 28, 2016 at 02:03:47PM +1100, kugan wrote:
>
> ...snip...
>
> I have also separated the constant parameter conversion out and posted as
> https://gcc.gnu.org/ml/gcc-patches/2016-10/msg02309.html. This is now
> handling just unary pass-through jump functions.
>
> Bootstrapped and
Hi,
On 28/10/16 01:58, Jan Hubicka wrote:
gcc/testsuite/ChangeLog:
2016-10-25 Kugan Vivekanandarajah
* gcc.dg/ipa/vrp7.c: New test.
gcc/ChangeLog:
2016-10-25 Kugan Vivekanandarajah
* ipa-cp.c (ipa_get_jf_pass_through_result): Skip unary expressions.
(propagate
> gcc/testsuite/ChangeLog:
>
> 2016-10-25 Kugan Vivekanandarajah
>
> * gcc.dg/ipa/vrp7.c: New test.
>
>
> gcc/ChangeLog:
>
> 2016-10-25 Kugan Vivekanandarajah
>
> * ipa-cp.c (ipa_get_jf_pass_through_result): Skip unary expressions.
> (propagate_vr_accross_jump_function
Hi,
On Tue, Oct 25, 2016 at 10:18:25AM +1100, kugan wrote:
> Hi,
>
> Attached RFC patch handles unary pass-through jump functions for ipa-vrp
> such that in the following case:
>
> int bar (int j)
> {
> foo (~j);
> foo (abs (j));
> foo (j);
> return 0;
> }
Thanks for working on this. A
Hi,
Attached RFC patch handles unary pass-through jump functions for ipa-vrp
such that in the following case:
int bar (int j)
{
foo (~j);
foo (abs (j));
foo (j);
return 0;
}
We can infer value ranges for argument foo from bar. See test-case
vrp7.c in the patch.
I will also try to h
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