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20 Commits

Author SHA1 Message Date
Craig Topper
d978c54e60 Use MVT instead of EVT as the argument to all the shuffle decode functions. Simplify some of the decode functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156268 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-06 19:46:21 +00:00
Craig Topper
156f5bb56e Add shuffle decode support for VPERMQ/VPERMPD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156265 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-06 18:44:02 +00:00
Craig Topper
6b28d356c5 Fix 256-bit vpshuflw and vpshufhw immediate encoding to handle undefs in the lower half correctly. Missed in r155982. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156059 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-03 07:12:59 +00:00
Craig Topper
a9a568a79d Add support for selecting AVX2 vpshuflw and vpshufhw. Add decoding support for AsmPrinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155982 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-02 08:03:44 +00:00
Craig Topper
2091df3d09 Don't decode vperm2i128 or vperm2f128 into a shuffle if bit 3 or 7 of the immediate is set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154907 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-17 05:54:54 +00:00
Craig Topper
a1ffc681ed Factor out target shuffle mask decoding from getShuffleScalarElt and use a SmallVector of int instead of unsigned for shuffle mask in decode functions. Preparation for another change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153079 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-20 06:42:26 +00:00
Craig Topper
d156dc11f9 Add shuffle decoding support for 256-bit pshufd. Merge vpermilp* and pshufd decoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149859 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 07:17:51 +00:00
Craig Topper
3d8c2ce3e4 Clean up some of the shuffle decoding code for UNPCK instructions. Add instruction commenting for AVX/AVX2 forms for integer UNPCKs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145924 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 05:31:16 +00:00
Craig Topper
316cd2a2c5 Merge decoding of VPERMILPD and VPERMILPS shuffle masks. Merge X86ISD node type for VPERMILPD/PS. Add instruction selection support for VINSERTI128/VEXTRACTI128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145483 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-30 06:25:25 +00:00
Craig Topper
36e36ace77 Fix issues in shuffle decoding around VPERM* instructions. Fix shuffle decoding for VSHUFPS/D for 256-bit types. Add pattern matching for memory forms of VPERMILPS/VPERMILPD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145390 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 07:49:05 +00:00
Craig Topper
796c193768 More fixes to the X86InstComments for shuffle instructions. In particular add AVX flavors of many instructions and fix the destination operand for some of the existing AVX entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-22 14:27:57 +00:00
Craig Topper
f7de577a08 Fix shuffle decoding logic to handle UNPCKLPS/UNPCKLPD on 256-bit vectors correctly. Add support for decoding UNPCKHPS/UNPCKHPD for AVX 128-bit and 256-bit forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145055 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-22 01:57:35 +00:00
Bruno Cardoso Lopes
53cae1362d The VPERM2F128 is a AVX instruction which permutes between two 256-bit 
vectors. It operates on 128-bit elements instead of regular scalar
types. Recognize shuffles that are suitable for VPERM2F128 and teach
the x86 legalizer how to handle them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 21:48:26 +00:00
Bruno Cardoso Lopes
2eb4c2bcad Add DecodeShuffle shuffle support for VPERMIPD variantes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136452 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-29 01:31:11 +00:00
Bruno Cardoso Lopes
4ea496846a Recognize unpckh* masks and match 256-bit versions. The new versions are 
different from the previous 128-bit because they work in lanes.
Update a few comments and add testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136157 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-26 22:03:40 +00:00
Bruno Cardoso Lopes
65b74e1d00 Add support for 256-bit versions of VPERMIL instruction. This is a new 
instruction introduced in AVX, which can operate on 128 and 256-bit vectors.
It considers a 256-bit vector as two independent 128-bit lanes. It can permute
any 32 or 64 elements inside a lane, and restricts the second lane to
have the same permutation of the first one. With the improved splat support
introduced early today, adding codegen for this instruction enable more
efficient 256-bit code:

Instead of:
  vextractf128  $0, %ymm0, %xmm0
  punpcklbw %xmm0, %xmm0
  punpckhbw %xmm0, %xmm0
  vinsertf128 $0, %xmm0, %ymm0, %ymm1
  vinsertf128 $1, %xmm0, %ymm1, %ymm0
  vextractf128  $1, %ymm0, %xmm1
  shufps  $1, %xmm1, %xmm1
  movss %xmm1, 28(%rsp)
  movss %xmm1, 24(%rsp)
  movss %xmm1, 20(%rsp)
  movss %xmm1, 16(%rsp)
  vextractf128  $0, %ymm0, %xmm0
  shufps  $1, %xmm0, %xmm0
  movss %xmm0, 12(%rsp)
  movss %xmm0, 8(%rsp)
  movss %xmm0, 4(%rsp)
  movss %xmm0, (%rsp)
  vmovaps (%rsp), %ymm0
We get:
  vextractf128  $0, %ymm0, %xmm0
  punpcklbw %xmm0, %xmm0
  punpckhbw %xmm0, %xmm0
  vinsertf128 $0, %xmm0, %ymm0, %ymm1
  vinsertf128 $1, %xmm0, %ymm1, %ymm0
  vpermilps $85, %ymm0, %ymm0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135662 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-21 01:55:47 +00:00
David Greene
a20244d1ba [AVX] Fix mask predicates for 256-bit UNPCKLPS/D and implement 
missing patterns for them.

      Add a SIMD test subdirectory to hold tests for SIMD instruction
      selection correctness and quality.
'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126845 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 17:23:43 +00:00
Chris Lattner
99825b4455 fix a signed comparison warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126682 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-28 20:50:35 +00:00
David Greene
c4db4e5105 [AVX] Add decode support for VUNPCKLPS/D instructions, both 128-bit 
and 256-bit forms.  Because the number of elements in a vector
      does not determine the vector type (4 elements could be v4f32 or
      v4f64), pass the full type of the vector to decode routines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-28 19:06:56 +00:00
David Greene
583b68f34f [AVX] Recorganize X86ShuffleDecode into its own library 
(LLVMX86Utils.a) to break cyclic library dependencies between
LLVMX86CodeGen.a and LLVMX86AsmParser.a.  Previously this code was in
a header file and marked static but AVX requires some additional
functionality here that won't be used by all clients.  Since including
unused static functions causes a gcc compiler warning, keeping it as a
header would break builds that use -Werror.  Putting this in its own
library solves both problems at once.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125765 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 19:18:59 +00:00