PING^2 [PATCH v2] rs6000: Use direct move for char/short vector CTOR [PR96933]

["Kewen.Lin" <linkw@linux.ibm.com>]

Hi,

Gentle ping for the patch:
  
https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553555.html

BR,
Kewen

on 2020/10/13 下午2:59, Kewen.Lin via Gcc-patches wrote:
> Hi,
> 
> I'd like to gentle ping this patch:
> 
> https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553555.html
> 
> BR,
> Kewen
> 
> on 2020/9/10 上午11:19, Kewen.Lin via Gcc-patches wrote:
>> Hi,
>>
>> As Segher's suggestion in the PR, for 128bit_direct_move, this new
>> version leverages vector pack insns instead of vector perms with
>> one control vector.  The performance evaluation shows that it's on
>> par with the previous version for char, while it's better than the
>> previous for short.
>>
>> Bootstrapped/regtested again on powerpc64{,le}-linux-gnu P8 and
>> powerpc64le-linux-gnu P9.
>>
>> Is it ok for trunk?
>>
>> BR,
>> Kewen
>> ------------
>>
>> gcc/ChangeLog:
>>
>> 	PR target/96933
>> 	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Use direct move
>> 	instructions for vector construction with char/short types.
>> 	* config/rs6000/rs6000.md (p8_mtvsrwz_v16qisi2): New define_insn.
>> 	(p8_mtvsrd_v16qidi2): Likewise. 
>>
>> gcc/testsuite/ChangeLog:
>>
>> 	PR target/96933
>> 	* gcc.target/powerpc/pr96933-1.c: New test.
>> 	* gcc.target/powerpc/pr96933-2.c: New test.
>> 	* gcc.target/powerpc/pr96933-3.c: New test.
>> 	* gcc.target/powerpc/pr96933.h: New test.
>>