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5 Commits

Author SHA1 Message Date
Tim Northover
936285440b AArch64/ARM64: port more AArch64 tests to ARM64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206592 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-18 13:16:55 +00:00
Kevin Qin
5c8b8e61df [AArch64 NEON] Add more scenarios to use perm instructions when lowering shuffle_vector 
This patch covered 2 more scenarios:

1.  Two operands of shuffle_vector are the same, like
%shuffle.i = shufflevector <8 x i8> %a, <8 x i8> %a, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>

2. One of operands is undef, like
%shuffle.i = shufflevector <8 x i8> %a, <8 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>

After this patch, perm instructions will have chance to be emitted instead of lots of INS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199069 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-13 01:56:29 +00:00
Kevin Qin
cf7ed12a1d Refactored the implementation of AArch64 NEON instruction ZIP, UZP 
and TRN.
Fix a bug when mixed use of vget_high_u8() and vuzp_u8().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195716 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-11-26 03:26:47 +00:00
Kevin Qin
57f6b2778b [AArch64]Implement 128 bit register copy with NEON. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195713 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-11-26 02:33:42 +00:00
Jiangning Liu
8458f371b8 Implement AArch64 Neon instruction set Perm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194123 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-11-06 03:35:27 +00:00