[PATCH][X86] AVX512: Add writemask variants for vperm*2*

[Demikhovsky, Elena]

Hi Adam,

Could you, please, add one more test for < 8 x i64 > type for VPERM2Q?

I just remember that (v8i64 immAllZerosV) did not work and I used 
(bc_v8i64 (v16i32 immAllZerosV)). 

All other things are OK.

-  Elena


-----Original Message-----
From: Adam Nemet [mailto:anemet at apple.com] 
Sent: Wednesday, July 02, 2014 10:35
To: Demikhovsky, Elena
Cc: llvm-commits
Subject: [PATCH][X86] AVX512: Add writemask variants for vperm*2*

Hi Elena,

This enables writemasks with vperm*2* in asm, codegen and the intrinsics.  There are more comments in the patch files.  Please let me know if it looks good.

Thanks,
Adam

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