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344 Commits

Author SHA1 Message Date
Anton Korobeynikov
20d832fa1b Fix some typos and use type-based isel for VZIP/VUZP/VTRN 
llvm-svn: 79625
 2009-08-21 12:41:42 +00:00
Anton Korobeynikov
220512160d Add nodes & dummy matchers for some v{zip,uzp,trn} instructions 
llvm-svn: 79622
 2009-08-21 12:40:50 +00:00
Anton Korobeynikov
f6657d5e02 Provide vext.{16,32} 
llvm-svn: 79620
 2009-08-21 12:40:21 +00:00
Bob Wilson
fae9057bf0 Add support for Neon VEXT (vector extract) shuffles. 
This is derived from a patch by Anton Korzh.  I modified it to recognize
the VEXT shuffles during legalization and lower them to a target-specific
DAG node.

llvm-svn: 79428
 2009-08-19 17:03:43 +00:00
Bob Wilson
d337cde6e5 Create a new ARM-specific DAG node, VDUP, to represent a splat from a 
scalar_to_vector.  Generate these VDUP nodes during legalization instead
of trying to recognize the pattern during selection.

llvm-svn: 78994
 2009-08-14 05:13:08 +00:00
Bob Wilson
7a311914ab During legalization, change Neon vdup_lane operations from shuffles to 
target-specific VDUPLANE nodes.  This allows the subreg handling for the
quad-register version to be done easily with Pats in the .td file, instead
of with custom code in ARMISelDAGToDAG.cpp.

llvm-svn: 78993
 2009-08-14 05:08:32 +00:00
Bob Wilson
8cb7da85e3 Revert r78852 for now. I want to do this differently, but I don't have time 
to fix it tonight.

llvm-svn: 78896
 2009-08-13 05:58:56 +00:00
Bob Wilson
b089d07a1f Recognize Neon VDUP shuffles during legalization instead of selection. 
llvm-svn: 78852
 2009-08-12 22:54:19 +00:00
Bob Wilson
d8b7ca4c28 Recognize Neon VREV shuffles during legalization instead of selection. 
llvm-svn: 78850
 2009-08-12 22:31:50 +00:00
Bob Wilson
0cf2be2466 Generate Neon VTBL and VTBX instructions from the corresponding intrinsics. 
llvm-svn: 78835
 2009-08-12 20:51:55 +00:00
Bob Wilson
61f35e39cf Fix TableGen warnings. This partly reverts my previous change to this file, 
leaving the mayLoad and mayStore settings around only the load/store
instructions where those can't be inferred from the patterns.

llvm-svn: 78815
 2009-08-12 17:04:56 +00:00
Bob Wilson
00d605d359 Add missing chain operands for VLD* and VST* instructions. 
Set "mayLoad" and "mayStore" on the load/store instructions.

llvm-svn: 78761
 2009-08-12 00:49:01 +00:00
Owen Anderson
48f2f0ae72 Split EVT into MVT and EVT, the former representing _just_ a primitive type, while 
the latter is capable of representing either a primitive or an extended type.

llvm-svn: 78713
 2009-08-11 20:47:22 +00:00
Bob Wilson
d64e304671 Use vAny type to get rid of Neon intrinsics that differed only in whether 
the overloaded vector types allowed floating-point or integer vector elements.
Most of these operations actually depend on the element type, so bitcasting
was not an option.

If you include the vpadd intrinsics that I updated earlier, this gets rid
of 20 intrinsics.

llvm-svn: 78646
 2009-08-11 05:39:44 +00:00
Bob Wilson
1c75a23299 Use new EVT::vAny type to combine Neon intrinsics for VPADD. 
llvm-svn: 78632
 2009-08-11 01:15:26 +00:00
David Goodwin
8ca187462c Fix bug in NEON convert for single-precision FP. This also fixes the tblgen warnings. 
llvm-svn: 78629
 2009-08-11 01:07:38 +00:00
Owen Anderson
b4bce99769 Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
llvm-svn: 78610
 2009-08-10 22:56:29 +00:00
David Goodwin
36a5b02e4f Use NEON for single-precision int<->FP conversions. 
llvm-svn: 78604
 2009-08-10 22:17:39 +00:00
Anton Korobeynikov
44fa9f179c Use subclassing to print lane-like immediates (w/o hash) eliminating 
'no_hash' modifier. Hopefully this will make Daniel happy :)

llvm-svn: 78514
 2009-08-08 23:10:41 +00:00
Anton Korobeynikov
f8256ecbb5 Add insert_elt / extract_elt patterns for v4f32 stuff. 
Did anyone tests v4f32 ever?

llvm-svn: 78470
 2009-08-08 14:06:07 +00:00
Anton Korobeynikov
0471ef8dd6 Lane number should be printed w/o hash 
llvm-svn: 78469
 2009-08-08 14:05:53 +00:00
Anton Korobeynikov
ae22c37afb Use VLDM / VSTM to spill/reload 128-bit Neon registers 
llvm-svn: 78468
 2009-08-08 13:35:48 +00:00
Bob Wilson
88fafd84ea Implement Neon VZIP and VUZP instructions. These are very similar to VTRN, 
so I generalized the class for VTRN in the .td file to handle all 3 of them.

llvm-svn: 78460
 2009-08-08 06:13:25 +00:00
Bob Wilson
935ee0c122 Implement Neon VTRN instructions. For now, anyway, these are selected 
directly from the intrinsics produced by the frontend.  If it is more
convenient to have a custom DAG node for using these to implement shuffles,
we can add that later.

llvm-svn: 78459
 2009-08-08 05:53:00 +00:00
Anton Korobeynikov
2dfb75ca36 Unbreak the stuff 
llvm-svn: 78425
 2009-08-07 22:51:13 +00:00
Anton Korobeynikov
9b52601704 2 more vdup.32 cases 
llvm-svn: 78419
 2009-08-07 22:36:50 +00:00
Evan Cheng
0dab4cc8a0 Fix support to use NEON for single precision fp math. 
llvm-svn: 78397
 2009-08-07 19:30:41 +00:00
Bob Wilson
bd7627b23e Implement Neon VST[234] operations. 
llvm-svn: 78330
 2009-08-06 18:47:44 +00:00
David Goodwin
3aafcc1dd2 Add parameter to pattern classes to enable an itinerary to be specified for instructions. For now just use the existing itineraries or NoItinerary. 
llvm-svn: 78321
 2009-08-06 16:52:47 +00:00
Bob Wilson
905678ab37 Neon does not actually have VLD{234}.64 instructions. 
These operations will have to be synthesized from other instructions.

llvm-svn: 78263
 2009-08-06 00:24:27 +00:00
David Goodwin
6e4065d7c6 When using NEON for single-precision FP, the NEON result must be placed in D0-D15 as these are the only D registers with S subregs. Introduce a new regclass to represent D0-D15 and use it in the NEON single-precision FP patterns. 
llvm-svn: 78244
 2009-08-05 21:02:22 +00:00
Evan Cheng
a27fac5075 80 col violations. 
llvm-svn: 78175
 2009-08-05 06:41:25 +00:00
Bob Wilson
1fe51064ba Change DAG nodes for Neon VLD2/3/4 operations to return multiple results. 
Get rid of yesterday's code to fix the register usage during isel.
Select the new DAG nodes to machine instructions.  The new pre-alloc pass
to choose adjacent registers for these results is not done, so the
results of this will generally not assemble yet.

llvm-svn: 78136
 2009-08-05 00:49:09 +00:00
Bob Wilson
3607eeebfa Replace dregsingle operand modifier with explicit escaped curly brackets. 
For other VLDn and VSTn operations, we need to list the multiple registers
explicitly anyway, so there's no point in special-casing this one usage.

llvm-svn: 78109
 2009-08-04 21:39:33 +00:00
David Goodwin
648590849c Add NEON single-precision FP support for fabs and fneg. 
llvm-svn: 78101
 2009-08-04 20:39:05 +00:00
David Goodwin
5efde448fa Match common pattern for FNMAC. Add NEON SP support. 
llvm-svn: 78085
 2009-08-04 18:44:29 +00:00
David Goodwin
99adffe5f2 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations. 
llvm-svn: 78081
 2009-08-04 17:53:06 +00:00
Bob Wilson
fe37bdfdd8 Lower Neon VLD* intrinsics to custom DAG nodes, and manually allocate the 
results to fixed registers.

llvm-svn: 78025
 2009-08-04 00:36:16 +00:00
Bob Wilson
355e0b70e0 Change Neon VLDn intrinsics to return multiple values instead of really 
wide vectors.  Likewise, change VSTn intrinsics to take separate arguments
for each vector in a multi-vector struct.  Adjust tests accordingly.

llvm-svn: 77468
 2009-07-29 16:39:22 +00:00
Bob Wilson
ec256c8938 Add support for ARM Neon VREV instructions. 
Patch by Anton Korzh, with some modifications from me.

llvm-svn: 77101
 2009-07-26 00:39:34 +00:00
Evan Cheng
991f885915 - Add some NEON ld / st instruction static encoding. 
- Make bits 25-27 for ldrh, etc. explicitly zero. Previously only the JIT uses the encoding information and it's assuming anything not specified to be zero. Making them explicit so the disassembler is happy.
Patch by Sean Callanan.

llvm-svn: 75065
 2009-07-08 22:51:32 +00:00
Bob Wilson
8d4a8b9370 Implement NEON vst1 instruction. 
llvm-svn: 75037
 2009-07-08 20:32:02 +00:00
Bob Wilson
3809b333de Implement NEON vld1 instructions. 
llvm-svn: 75019
 2009-07-08 18:11:30 +00:00
Bob Wilson
6db76aaf10 Add support for ARM's Advanced SIMD (NEON) instruction set. 
This is still a work in progress but most of the NEON instruction set
is supported.

llvm-svn: 73919
 2009-06-22 23:27:02 +00:00