On Tue, Jun 06, 2017 at 09:35:10AM +0100, Kyrill Tkachov wrote:
> Hi all,
>
> Another vec_merge simplification that's missing is transforming:
> (vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
> into
> (vec_concat x z) if N == 1 (0b01) or
> (vec_concat y x) if N == 2 (0b10)
>
>
On 05/07/17 16:14, Kyrill Tkachov wrote:
On 27/06/17 23:28, Jeff Law wrote:
On 06/06/2017 02:35 AM, Kyrill Tkachov wrote:
Hi all,
Another vec_merge simplification that's missing is transforming:
(vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
into
(vec_concat x z) if N == 1
On 27/06/17 23:28, Jeff Law wrote:
On 06/06/2017 02:35 AM, Kyrill Tkachov wrote:
Hi all,
Another vec_merge simplification that's missing is transforming:
(vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
into
(vec_concat x z) if N == 1 (0b01) or
(vec_concat y x) if N == 2
On 06/06/2017 02:35 AM, Kyrill Tkachov wrote:
> Hi all,
>
> Another vec_merge simplification that's missing is transforming:
> (vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
> into
> (vec_concat x z) if N == 1 (0b01) or
> (vec_concat y x) if N == 2 (0b10)
>
> For the testcase
On Tue, 6 Jun 2017, Kyrill Tkachov wrote:
Another vec_merge simplification that's missing is transforming:
(vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
into
(vec_concat x z) if N == 1 (0b01) or
(vec_concat y x) if N == 2 (0b10)
Do we have a canonicalization somewhere that
Hi all,
Another vec_merge simplification that's missing is transforming:
(vec_merge (vec_duplicate x) (vec_concat (y) (z)) (const_int N))
into
(vec_concat x z) if N == 1 (0b01) or
(vec_concat y x) if N == 2 (0b10)
For the testcase in this patch on aarch64 this allows us to try matching during
