On Wed, Aug 26, 2015 at 5:51 PM, Ilya Enkovich wrote:
> 2015-08-26 17:56 GMT+03:00 Richard Biener :
>> On Wed, Aug 26, 2015 at 4:38 PM, Ilya Enkovich
>> wrote:
>>> 2015-08-26 16:02 GMT+03:00 Richard Biener :
On Fri, Aug 21, 2015 at 2:17 PM, Ilya Enkovich
wrote:
> 2015-08-21 14:00
On 08/26/2015 05:13 AM, Ilya Enkovich wrote:
2015-08-26 0:42 GMT+03:00 Jeff Law :
On 08/21/2015 04:49 AM, Ilya Enkovich wrote:
I want a work with bitmasks to be expressed in a natural way using
regular integer operations. Currently all masks manipulations are
emulated via vector statements (m
2015-08-26 17:56 GMT+03:00 Richard Biener :
> On Wed, Aug 26, 2015 at 4:38 PM, Ilya Enkovich wrote:
>> 2015-08-26 16:02 GMT+03:00 Richard Biener :
>>> On Fri, Aug 21, 2015 at 2:17 PM, Ilya Enkovich
>>> wrote:
2015-08-21 14:00 GMT+03:00 Richard Biener :
>
> Hmm, I don't see how vecto
On Wed, Aug 26, 2015 at 04:56:23PM +0200, Richard Biener wrote:
> >> How do you declare those?
> >
> > Something like this:
> >
> > #pragma omp declare simd inbranch
> > int foo(int*);
>
> The 'inbranch' is the thing that matters? And all of foo is then
> implicitely predicated?
If it is
#pragma
On Wed, Aug 26, 2015 at 4:38 PM, Ilya Enkovich wrote:
> 2015-08-26 16:02 GMT+03:00 Richard Biener :
>> On Fri, Aug 21, 2015 at 2:17 PM, Ilya Enkovich
>> wrote:
>>> 2015-08-21 14:00 GMT+03:00 Richard Biener :
Hmm, I don't see how vector masks are more difficult to operate with.
>>>
>>>
2015-08-26 16:02 GMT+03:00 Richard Biener :
> On Fri, Aug 21, 2015 at 2:17 PM, Ilya Enkovich wrote:
>> 2015-08-21 14:00 GMT+03:00 Richard Biener :
>>>
>>> Hmm, I don't see how vector masks are more difficult to operate with.
>>
>> There are just no instructions for that but you have to pretend you
On Wed, Aug 26, 2015 at 3:35 PM, Jakub Jelinek wrote:
> On Wed, Aug 26, 2015 at 03:21:52PM +0200, Richard Biener wrote:
>> On Wed, Aug 26, 2015 at 3:16 PM, Jakub Jelinek wrote:
>> > On Wed, Aug 26, 2015 at 03:02:02PM +0200, Richard Biener wrote:
>> >> > AVX-512 is such target. Current representat
On Wed, Aug 26, 2015 at 03:21:52PM +0200, Richard Biener wrote:
> On Wed, Aug 26, 2015 at 3:16 PM, Jakub Jelinek wrote:
> > On Wed, Aug 26, 2015 at 03:02:02PM +0200, Richard Biener wrote:
> >> > AVX-512 is such target. Current representation forces multiple scalar
> >> > mask -> vector mask and ba
On Wed, Aug 26, 2015 at 3:16 PM, Jakub Jelinek wrote:
> On Wed, Aug 26, 2015 at 03:02:02PM +0200, Richard Biener wrote:
>> > AVX-512 is such target. Current representation forces multiple scalar
>> > mask -> vector mask and back transformations which are artificially
>> > introduced by current boo
On Wed, Aug 26, 2015 at 03:02:02PM +0200, Richard Biener wrote:
> > AVX-512 is such target. Current representation forces multiple scalar
> > mask -> vector mask and back transformations which are artificially
> > introduced by current bool patterns and are hard to optimize out.
>
> I dislike the
On Wed, Aug 26, 2015 at 1:13 PM, Ilya Enkovich wrote:
> 2015-08-26 0:42 GMT+03:00 Jeff Law :
>> On 08/21/2015 04:49 AM, Ilya Enkovich wrote:
>>>
>>>
>>> I want a work with bitmasks to be expressed in a natural way using
>>> regular integer operations. Currently all masks manipulations are
>>> emul
On Fri, Aug 21, 2015 at 2:17 PM, Ilya Enkovich wrote:
> 2015-08-21 14:00 GMT+03:00 Richard Biener :
>> On Fri, Aug 21, 2015 at 12:49 PM, Ilya Enkovich
>> wrote:
>>> 2015-08-21 11:15 GMT+03:00 Richard Biener :
On Thu, Aug 20, 2015 at 8:46 PM, Jeff Law wrote:
> On 08/17/2015 10:25 AM, Il
2015-08-26 0:42 GMT+03:00 Jeff Law :
> On 08/21/2015 04:49 AM, Ilya Enkovich wrote:
>>
>>
>> I want a work with bitmasks to be expressed in a natural way using
>> regular integer operations. Currently all masks manipulations are
>> emulated via vector statements (mostly using a bunch of vec_cond).
2015-08-26 0:26 GMT+03:00 Jeff Law :
> On 08/21/2015 06:17 AM, Ilya Enkovich wrote:
>>>
>>>
>>> Hmm, I don't see how vector masks are more difficult to operate with.
>>
>>
>> There are just no instructions for that but you have to pretend you
>> have to get code vectorized.
>>
>>>
Also accordi
On 08/21/2015 04:49 AM, Ilya Enkovich wrote:
I want a work with bitmasks to be expressed in a natural way using
regular integer operations. Currently all masks manipulations are
emulated via vector statements (mostly using a bunch of vec_cond). For
complex predicates it may be nontrivial to tran
On 08/21/2015 06:17 AM, Ilya Enkovich wrote:
Hmm, I don't see how vector masks are more difficult to operate with.
There are just no instructions for that but you have to pretend you
have to get code vectorized.
Also according to vector ABI integer mask should be used for mask
operand in c
On 08/21/2015 02:15 AM, Richard Biener wrote:
Indeed. I don't remember my exact comments during the talk at the
Cauldron but the scheme used there was sth like
mask = GEN_MASK ; b = a + 1; x = VEC_COND
to model conditional execution already at the if-conversion stage
(for all scalar stmts ma
2015-08-21 14:00 GMT+03:00 Richard Biener :
> On Fri, Aug 21, 2015 at 12:49 PM, Ilya Enkovich
> wrote:
>> 2015-08-21 11:15 GMT+03:00 Richard Biener :
>>> On Thu, Aug 20, 2015 at 8:46 PM, Jeff Law wrote:
On 08/17/2015 10:25 AM, Ilya Enkovich wrote:
>
> Hi,
>
> This patch into
On Fri, Aug 21, 2015 at 12:49 PM, Ilya Enkovich wrote:
> 2015-08-21 11:15 GMT+03:00 Richard Biener :
>> On Thu, Aug 20, 2015 at 8:46 PM, Jeff Law wrote:
>>> On 08/17/2015 10:25 AM, Ilya Enkovich wrote:
Hi,
This patch intoriduces a new vectorizer hook use_scalar_mask_p which
>>
2015-08-21 11:15 GMT+03:00 Richard Biener :
> On Thu, Aug 20, 2015 at 8:46 PM, Jeff Law wrote:
>> On 08/17/2015 10:25 AM, Ilya Enkovich wrote:
>>>
>>> Hi,
>>>
>>> This patch intoriduces a new vectorizer hook use_scalar_mask_p which
>>> affects code generated by if-conversion pass (and affects patt
On Thu, Aug 20, 2015 at 8:46 PM, Jeff Law wrote:
> On 08/17/2015 10:25 AM, Ilya Enkovich wrote:
>>
>> Hi,
>>
>> This patch intoriduces a new vectorizer hook use_scalar_mask_p which
>> affects code generated by if-conversion pass (and affects patterns in later
>> patches).
>>
>> Thanks,
>> Ilya
>>
On 08/17/2015 10:25 AM, Ilya Enkovich wrote:
Hi,
This patch intoriduces a new vectorizer hook use_scalar_mask_p which affects
code generated by if-conversion pass (and affects patterns in later patches).
Thanks,
Ilya
--
2015-08-17 Ilya Enkovich
* doc/tm.texi (TARGET_VECTORIZE_USE_S
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