[PATCH #3], Add PowerPC ISA 3.0 vpermr/xxpermr support

[Kelvin Nilsen]

I have committed gcc.target/powerpc/p9-vpermr.c to trunk (separately
from the other files mentioned in this ChangeLog), revision 236655.
Approved offline.

On 05/23/2016 05:16 PM, Segher Boessenkool wrote:
> On Mon, May 23, 2016 at 06:22:22PM -0400, Michael Meissner wrote:
>> Here are the patches for xxpermr/vpermr support that are broken out from fixing
>> the xxperm fusion bug.  I have built a compiler with these patches (and the
>> xxperm patches) and it bootstraps and does not cause a regression.  Are they ok
>> to add to GCC 7 and eventually to GCC 6.2?
>>
>> [gcc]
>> 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
>> 	    Kelvin Nilsen  <kelvin@gcc.gnu.org>
>>
>> 	* config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
>> 	vpermr/xxpermr on ISA 3.0.
>> 	(altivec_expand_vec_perm_le): Likewise.
>> 	* config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
>> 	(altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
>> 	ISA 3.0.
>>
>> [gcc/testsuite]
>> 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
>> 	    Kelvin Nilsen  <kelvin@gcc.gnu.org>
>>
>> 	* gcc.target/powerpc/p9-vpermr.c: New test for ISA 3.0 vpermr
>> 	support.
> 
> Okay for trunk.  Okay for 6 after a week or so.
> 
> Thanks,
> 
> 
> Segher
> 
> 

-- 
Kelvin Nilsen, Ph.D.  kdnilsen@linux.vnet.ibm.com
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