2015-09-23 16:53 GMT+03:00 Richard Biener :
> On Wed, Sep 23, 2015 at 3:41 PM, Ilya Enkovich wrote:
>> 2015-09-18 16:40 GMT+03:00 Ilya Enkovich :
>>> 2015-09-18 15:22 GMT+03:00 Richard Biener :
I was thinking about targets not supporting generating vec
(of whatever mode) from a comp
On Thu, Sep 24, 2015 at 6:37 PM, Richard Henderson wrote:
> On 09/24/2015 01:09 AM, Richard Biener wrote:
>> Both are basically a (target) restriction on how we should expand a
>> conditional
>> move (and its condition). It's techincally convenient to tie both together
>> by
>> having them in t
On 09/24/2015 01:09 AM, Richard Biener wrote:
> Both are basically a (target) restriction on how we should expand a
> conditional
> move (and its condition). It's techincally convenient to tie both together by
> having them in the same statement but it's also techincally very incovenient
> in oth
On Wed, Sep 23, 2015 at 8:44 PM, Richard Henderson wrote:
> On 09/23/2015 06:53 AM, Richard Biener wrote:
>> I think independent improvements are
>>
>> 1) remove (most) of the bool patterns from the vectorizer
>>
>> 2) make VEC_COND_EXPR not have a GENERIC comparison embedded
>>
>> (same for CON
On 09/23/2015 06:53 AM, Richard Biener wrote:
> I think independent improvements are
>
> 1) remove (most) of the bool patterns from the vectorizer
>
> 2) make VEC_COND_EXPR not have a GENERIC comparison embedded
>
> (same for COND_EXPR?)
Careful.
The reason that COND_EXPR have embedded compa
On Wed, Sep 23, 2015 at 3:41 PM, Ilya Enkovich wrote:
> 2015-09-18 16:40 GMT+03:00 Ilya Enkovich :
>> 2015-09-18 15:22 GMT+03:00 Richard Biener :
>>>
>>> I was thinking about targets not supporting generating vec
>>> (of whatever mode) from a comparison directly but only via
>>> a COND_EXPR.
>>
>>
On Fri, Sep 18, 2015 at 3:40 PM, Ilya Enkovich wrote:
> 2015-09-18 15:22 GMT+03:00 Richard Biener :
>> On Thu, Sep 3, 2015 at 3:57 PM, Ilya Enkovich wrote:
>>> 2015-09-03 15:11 GMT+03:00 Richard Biener :
On Thu, Sep 3, 2015 at 2:03 PM, Ilya Enkovich
wrote:
> Adding CCs.
>
2015-09-18 16:40 GMT+03:00 Ilya Enkovich :
> 2015-09-18 15:22 GMT+03:00 Richard Biener :
>>
>> I was thinking about targets not supporting generating vec
>> (of whatever mode) from a comparison directly but only via
>> a COND_EXPR.
>
> Where may these direct comparisons come from? Vectorizer never
On 09/21/2015 05:08 AM, Ilya Enkovich wrote:
> There is no any conversion here, maskload_optab is a convert_optab
> because it uses two modes, one for value and the other one for mask.
Ah, I see. In which case I think we ought to come up with a different name.
C.f. get_vcond_icode.
r~
2015-09-18 19:50 GMT+03:00 Richard Henderson :
> On 09/18/2015 06:21 AM, Ilya Enkovich wrote:
+machine_mode
+default_get_mask_mode (unsigned nunits, unsigned vector_size)
+{
+ unsigned elem_size = vector_size / nunits;
+ machine_mode elem_mode
+= smallest_mode_fo
On 09/18/2015 06:21 AM, Ilya Enkovich wrote:
>>> +machine_mode
>>> +default_get_mask_mode (unsigned nunits, unsigned vector_size)
>>> +{
>>> + unsigned elem_size = vector_size / nunits;
>>> + machine_mode elem_mode
>>> += smallest_mode_for_size (elem_size * BITS_PER_UNIT, MODE_INT);
>>
>> Why
2015-09-18 15:29 GMT+03:00 Richard Biener :
> On Tue, Sep 15, 2015 at 3:52 PM, Ilya Enkovich wrote:
>> On 08 Sep 15:37, Ilya Enkovich wrote:
>>> 2015-09-04 23:42 GMT+03:00 Jeff Law :
>>> >
>>> > So do we have enough confidence in this representation that we want to go
>>> > ahead and commit to it?
2015-09-18 15:22 GMT+03:00 Richard Biener :
> On Thu, Sep 3, 2015 at 3:57 PM, Ilya Enkovich wrote:
>> 2015-09-03 15:11 GMT+03:00 Richard Biener :
>>> On Thu, Sep 3, 2015 at 2:03 PM, Ilya Enkovich
>>> wrote:
Adding CCs.
2015-09-03 15:03 GMT+03:00 Ilya Enkovich :
> 2015-09-01 17
2015-09-17 20:35 GMT+03:00 Richard Henderson :
> On 09/15/2015 06:52 AM, Ilya Enkovich wrote:
>> I made a step forward forcing vector comparisons have a mask (vec)
>> result and disabling bool patterns in case vector comparison is supported by
>> target. Several issues were met.
>>
>> - c/c++ f
On Tue, Sep 15, 2015 at 3:52 PM, Ilya Enkovich wrote:
> On 08 Sep 15:37, Ilya Enkovich wrote:
>> 2015-09-04 23:42 GMT+03:00 Jeff Law :
>> >
>> > So do we have enough confidence in this representation that we want to go
>> > ahead and commit to it?
>>
>> I think new representation fits nice mostly.
On Thu, Sep 3, 2015 at 3:57 PM, Ilya Enkovich wrote:
> 2015-09-03 15:11 GMT+03:00 Richard Biener :
>> On Thu, Sep 3, 2015 at 2:03 PM, Ilya Enkovich wrote:
>>> Adding CCs.
>>>
>>> 2015-09-03 15:03 GMT+03:00 Ilya Enkovich :
2015-09-01 17:25 GMT+03:00 Richard Biener :
Totally disablin
On 09/15/2015 06:52 AM, Ilya Enkovich wrote:
> I made a step forward forcing vector comparisons have a mask (vec)
> result and disabling bool patterns in case vector comparison is supported by
> target. Several issues were met.
>
> - c/c++ front-ends generate vector comparison with integer vec
On 08 Sep 15:37, Ilya Enkovich wrote:
> 2015-09-04 23:42 GMT+03:00 Jeff Law :
> >
> > So do we have enough confidence in this representation that we want to go
> > ahead and commit to it?
>
> I think new representation fits nice mostly. There are some places
> where I have to make some exceptions
2015-09-04 23:42 GMT+03:00 Jeff Law :
> On 09/01/2015 07:08 AM, Ilya Enkovich wrote:
>>
>> On 27 Aug 09:55, Richard Biener wrote:
>>>
>>> I suggest you try modifying those parts first according to this
>>> scheme that will most likely uncover issues we missed.
>>>
>>> Thanks, Richard.
>>>
>>
>> I t
On 09/01/2015 07:08 AM, Ilya Enkovich wrote:
On 27 Aug 09:55, Richard Biener wrote:
I suggest you try modifying those parts first according to this
scheme that will most likely uncover issues we missed.
Thanks, Richard.
I tried to implement this scheme and apply it for MASK_LOAD and
MASK_STO
2015-09-03 15:11 GMT+03:00 Richard Biener :
> On Thu, Sep 3, 2015 at 2:03 PM, Ilya Enkovich wrote:
>> Adding CCs.
>>
>> 2015-09-03 15:03 GMT+03:00 Ilya Enkovich :
>>> 2015-09-01 17:25 GMT+03:00 Richard Biener :
>>>
>>> Totally disabling old style vector comparison and bool pattern is a
>>> goal bu
On Thu, Sep 3, 2015 at 2:03 PM, Ilya Enkovich wrote:
> Adding CCs.
>
> 2015-09-03 15:03 GMT+03:00 Ilya Enkovich :
>> 2015-09-01 17:25 GMT+03:00 Richard Biener :
>>> On Tue, Sep 1, 2015 at 3:08 PM, Ilya Enkovich
>>> wrote:
On 27 Aug 09:55, Richard Biener wrote:
> On Wed, Aug 26, 2015 at
Adding CCs.
2015-09-03 15:03 GMT+03:00 Ilya Enkovich :
> 2015-09-01 17:25 GMT+03:00 Richard Biener :
>> On Tue, Sep 1, 2015 at 3:08 PM, Ilya Enkovich wrote:
>>> On 27 Aug 09:55, Richard Biener wrote:
On Wed, Aug 26, 2015 at 5:51 PM, Ilya Enkovich
wrote:
>
> Yes, I want to tr
On Tue, Sep 1, 2015 at 3:08 PM, Ilya Enkovich wrote:
> On 27 Aug 09:55, Richard Biener wrote:
>> On Wed, Aug 26, 2015 at 5:51 PM, Ilya Enkovich
>> wrote:
>> >
>> > Yes, I want to try it. But getting rid of bool patterns would mean
>> > support for all targets currently supporting vec_cond. Would
On 27 Aug 09:55, Richard Biener wrote:
> On Wed, Aug 26, 2015 at 5:51 PM, Ilya Enkovich wrote:
> >
> > Yes, I want to try it. But getting rid of bool patterns would mean
> > support for all targets currently supporting vec_cond. Would it be OK
> > to have vector mask co-exist with bool patterns fo
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