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f70ffc68b2
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82 Commits

Author SHA1 Message Date
Craig Topper
f70ffc68b2 Still more vector_shuffle pattern removal. 
llvm-svn: 150365
 2012-02-13 07:23:41 +00:00
Craig Topper
5cb2de69d8 Recommit r150328. Previous test failures should be fixed by r150360. 
llvm-svn: 150362
 2012-02-13 05:10:10 +00:00
NAKAMURA Takumi
50b0952aa9 Revert r150328, "Remove more vector_shuffle patterns." 
It caused 3 failures on pre-penryn and non-x86(generic) hosts.

llvm-svn: 150357
 2012-02-13 00:10:15 +00:00
Craig Topper
76547b82f2 Remove more vector_shuffle patterns. 
llvm-svn: 150328
 2012-02-12 08:14:35 +00:00
Craig Topper
96a1a31c5c Remove more vector_shuffle patterns. 
llvm-svn: 150321
 2012-02-12 01:07:34 +00:00
Craig Topper
59398d7eb3 Remove some patterns for matching vector_shuffle instructions since vector_shuffles should be custom lowered before isel. 
llvm-svn: 150299
 2012-02-11 07:43:35 +00:00
Craig Topper
07b9d056fa Add target specific node for PMULUDQ. Change patterns to use it and custom lower intrinsics to it. Use it instead of intrinsic to handle 64-bit vector multiplies. 
llvm-svn: 149807
 2012-02-05 03:14:49 +00:00
Elena Demikhovsky
7ca11b6e3f Optimization for SIGN_EXTEND operation on AVX. 
Special handling was added for v4i32 -> v4i64 and v8i16 -> v8i32
extensions.

llvm-svn: 149600
 2012-02-02 09:10:43 +00:00
Craig Topper
9aabdda961 Move some XOP patterns into instruction definition. Replae VPCMOV intrinsic patterns with custom lowering to a target specific nodes. 
llvm-svn: 149216
 2012-01-30 01:10:15 +00:00
Craig Topper
c2b030401c Custom lower PSIGN and PSHUFB intrinsics to their corresponding target specific nodes so we can remove the isel patterns. 
llvm-svn: 148933
 2012-01-25 06:43:11 +00:00
Craig Topper
7311a89449 Add comments near load pattern fragments indicating that all integer vector loads are promoted to v2i64 or v4i64 so that no one tries to reintroduce pattern fragments for other types. 
llvm-svn: 148771
 2012-01-24 03:03:17 +00:00
Craig Topper
03b49e88a2 Remove pattern fragments for v32i8, v16i16, v8i32, v16i8, v8i16, and v4i32 loads. All integer vector loads are promoted to v2i64 or v4i64 so these pattern fragments can never match. Fix or remove patterns that used these fragments. 
llvm-svn: 148672
 2012-01-23 00:06:44 +00:00
Craig Topper
b80bb890b6 Combine X86 CMPPD and CMPPS node types. Simplifies selection code and pattern matching. 
llvm-svn: 148670
 2012-01-22 23:36:02 +00:00
Craig Topper
558395cb4e Merge PCMPEQB/PCMPEQW/PCMPEQD/PCMPEQQ and PCMPGTB/PCMPGTW/PCMPGTD/PCMPGTQ X86 ISD node types into only two node types. Simplifying opcode selection and pattern matching. 
llvm-svn: 148667
 2012-01-22 22:42:16 +00:00
Craig Topper
2b6951f7c4 Add target specific ISD node types for SSE/AVX vector shuffle instructions and change all the code that used to create intrinsic nodes to create the new nodes instead. 
llvm-svn: 148664
 2012-01-22 19:15:14 +00:00
Craig Topper
3d928aa51b Merge 128-bit and 256-bit SHUFPS/SHUFPD handling. 
llvm-svn: 148466
 2012-01-19 08:19:12 +00:00
Craig Topper
ef59fe1ad4 Merge X86 SHUFPS and SHUFPD node types. 
llvm-svn: 147394
 2011-12-31 23:50:21 +00:00
Craig Topper
9696094d07 Remove an unused X86ISD node type. 
llvm-svn: 146833
 2011-12-17 19:16:44 +00:00
Craig Topper
1e13feed8c Remove some remants of the old palign pattern fragment that were still hanging around. Also remove a cast from inside getShuffleVPERM2X128Immediate and getShuffleVPERMILPImmediate since the only caller already had done the cast. 
llvm-svn: 146344
 2011-12-11 19:12:35 +00:00
Craig Topper
846d53deed Merge floating point and integer UNPCK X86ISD node types. 
llvm-svn: 145926
 2011-12-06 08:21:25 +00:00
Craig Topper
0ac9bb8aa1 Merge VPERM2F128/VPERM2I128 ISD node types. 
llvm-svn: 145485
 2011-11-30 07:47:51 +00:00
Craig Topper
43b885cff4 Merge decoding of VPERMILPD and VPERMILPS shuffle masks. Merge X86ISD node type for VPERMILPD/PS. Add instruction selection support for VINSERTI128/VEXTRACTI128. 
llvm-svn: 145483
 2011-11-30 06:25:25 +00:00
Craig Topper
6f5a0bc4e3 Add X86 instruction selection for VPERM2I128 when AVX2 is enabled. Merge VPERMILPS/VPERMILPD detection since they are pretty similar. 
llvm-svn: 145238
 2011-11-28 10:14:51 +00:00
Craig Topper
563854a230 Merge 128-bit and 256-bit X86ISD node types for VPERMILPS and VPERMILPD. Simplify some shuffle lowering code since V1 can never be UNDEF due to canonalizing that occurs when shuffle nodes are created. 
llvm-svn: 145153
 2011-11-26 22:55:48 +00:00
Craig Topper
65f8dcdb7d Collapse X86ISD node types for PUNPCKH*, PUNPCKL*, UNPCKLP*, and UNPCKHP* to not be type specific. Now we just have integer high and low and floating point high and low. Pattern matching will choose the correct instruction based on the vector type. 
llvm-svn: 145148
 2011-11-26 20:47:44 +00:00
Craig Topper
e761f42368 Remove 256-bit specific node types for UNPCKHPS/D and instead use the 128-bit versions and let the operand type disinquish. Also fix the load form of the v8i32 patterns for these to realize that the load would be promoted to v4i64. 
llvm-svn: 145126
 2011-11-24 22:57:10 +00:00
Craig Topper
7cf04d32e9 Remove AVX2 specific X86ISD node types for PUNPCKH/L and instead just reuse the 128-bit versions and let the vector type distinguish. 
llvm-svn: 145125
 2011-11-24 22:20:08 +00:00
Craig Topper
866214a486 Lowering for v32i8 to VPUNPCKLBW/VPUNPCKHBW when AVX2 is enabled. 
llvm-svn: 145028
 2011-11-21 08:26:50 +00:00
Craig Topper
14cedf481a Add support for lowering 256-bit shuffles to VPUNPCKL/H for i16, i32, i64 if AVX2 is enabled. 
llvm-svn: 145026
 2011-11-21 06:57:39 +00:00
Craig Topper
a64e2604a2 Synthesize SSSE3/AVX 128-bit horizontal integer add/sub instructions from add/sub of appropriate shuffle vectors. 
llvm-svn: 144989
 2011-11-19 09:02:40 +00:00
Craig Topper
117ffc9a0c Collapse X86 PSIGNB/PSIGNW/PSIGND node types. 
llvm-svn: 144988
 2011-11-19 07:33:10 +00:00
Craig Topper
536f9d9434 Extend VPBLENDVB and VPSIGN lowering to work for AVX2. 
llvm-svn: 144987
 2011-11-19 07:07:26 +00:00
Craig Topper
c5482eb697 Add a bunch more X86 AVX2 instructions and their corresponding intrinsics. 
llvm-svn: 143529
 2011-11-02 04:42:13 +00:00
Duncan Sands
1da590b589 Synthesize SSE3/AVX 128 bit horizontal add/sub instructions from 
floating point add/sub of appropriate shuffle vectors.  Does not
synthesize the 256 bit AVX versions because they work differently.

llvm-svn: 140332
 2011-09-22 20:15:48 +00:00
Bruno Cardoso Lopes
f02589db47 Add versions 256-bit versions of alignedstore and alignedload, to be 
more strict about the alignment checking. This was found by inspection
and I don't have any testcases so far, although the llvm testsuite runs
without any problem.

llvm-svn: 139625
 2011-09-13 19:33:03 +00:00
Nadav Rotem
06ce2ac074 Format patterns, remove unused X86blend patterns 
llvm-svn: 139491
 2011-09-12 08:41:50 +00:00
Nadav Rotem
ccb46031e6 Implement vector-select support for avx256. Refactor the vblend implementation to have tablegen match the instruction by the node type 
llvm-svn: 139400
 2011-09-09 20:29:17 +00:00
Bruno Cardoso Lopes
74a67e22b0 Add AVX versions of blend vector operations and fix some issues noticed 
in Nadav's r139285 and r139287 commits.

1) Rename vsel.ll to a more descriptive name
2) Change the order of BLEND operands to "Op1, Op2, Cond", this is
necessary because PBLENDVB is already used in different places with
this order, and it was being emitted in the wrong way for vselect
3) Add AVX patterns and tests for the same SSE41 instructions

llvm-svn: 139305
 2011-09-08 18:05:08 +00:00
Nadav Rotem
b461f2190e Add X86-SSE4 codegen support for vector-select. 
llvm-svn: 139285
 2011-09-08 08:11:19 +00:00
Bruno Cardoso Lopes
98531dfd08 Introduce matching patterns for vbroadcast AVX instruction. The idea is to 
match splats in the form (splat (scalar_to_vector (load ...))) whenever
the load can be folded. All the logic and instruction emission is
working but because of PR8156, there are no ways to match loads, cause
they can never be folded for splats. Thus, the tests are XFAILed, but
I've tested and exercised all the logic using a relaxed version for
checking the foldable loads, as if the bug was already fixed. This
should work out of the box once PR8156 gets fixed since MayFoldLoad will
work as expected.

llvm-svn: 137810
 2011-08-17 02:29:19 +00:00
Bruno Cardoso Lopes
2d100ca13c 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.

llvm-svn: 137519
 2011-08-12 21:48:26 +00:00
Bruno Cardoso Lopes
02bbf20b02 Cleanup PALIGNR handling and remove the old palign pattern fragment. 
Also make PALIGNR masks to don't match 256-bits, which isn't supported
It's also a step to solve PR10489

llvm-svn: 136448
 2011-07-29 01:30:59 +00:00
Bruno Cardoso Lopes
8830fde434 The vpermilps and vpermilpd have different behaviour regarding the 
usage of the shuffle bitmask. Both work in 128-bit lanes without
crossing, but in the former the mask of the high part is the same
used by the low part while in the later both lanes have independent
masks. Handle this properly and and add support for vpermilpd.

llvm-svn: 136200
 2011-07-27 00:56:34 +00:00
Bruno Cardoso Lopes
1adb959ee8 Remove more dead code! 
llvm-svn: 136199
 2011-07-27 00:56:27 +00:00
Bruno Cardoso Lopes
e53bb853ea 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

llvm-svn: 136157
 2011-07-26 22:03:40 +00:00
Bruno Cardoso Lopes
25698b90e9 Cleanup movsldup/movshdup matching. 
27 insertions(+), 62 deletions(-)

llvm-svn: 136047
 2011-07-26 02:39:13 +00:00
Bruno Cardoso Lopes
9380919dc5 - Handle special scalar_to_vector case: splats. Using a native 128-bit 
shuffle before inserting on a 256-bit vector.
- Add AVX versions of movd/movq instructions
- Introduce a few COPY patterns to match insert_subvector instructions.
This turns a trivial insert_subvector instruction into a register copy,
coalescing the xmm into a ymm and avoid emiting on more instruction.

llvm-svn: 136002
 2011-07-25 23:05:25 +00:00
Bruno Cardoso Lopes
ba1a2a9135 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

llvm-svn: 135662
 2011-07-21 01:55:47 +00:00
Benjamin Kramer
d88f66e018 Port operand types for ARM and X86 over from EDIS to the .td files. 
llvm-svn: 135198
 2011-07-14 21:47:22 +00:00
Bruno Cardoso Lopes
c0401dddf7 Make X86ISD::ANDNP more general and Codegen 256-bit VANDNP. A more 
general version of X86ISD::ANDNP also opened the room for a little bit
of refactoring.

llvm-svn: 135088
 2011-07-13 21:36:51 +00:00