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3895 Commits

Author SHA1 Message Date
Jim Grosbach
ce2bd8d05f Add support for binary encoding of ARM 'adr' instructions referencing constant 
pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291.

llvm-svn: 120635
 2010-12-02 00:28:45 +00:00
Evan Cheng
419ea286ee Fix and re-enable tail call optimization of expanded libcalls. 
llvm-svn: 120622
 2010-12-01 22:59:46 +00:00
Jason W Kim
fc5c522864 fixing style nit: move class static to global static 
llvm-svn: 120619
 2010-12-01 22:46:50 +00:00
Bill Wendling
87240d4b9c Add a post encoder method to the VFP instructions to convert them to the Thumb2 
encoding if we're in that mode.

llvm-svn: 120608
 2010-12-01 21:54:50 +00:00
Jim Grosbach
30eb6c7e71 Use the correct fixup type for ARM VLDR* 
llvm-svn: 120604
 2010-12-01 21:09:40 +00:00
Jim Grosbach
dc35e067c1 Refactor LEApcrelJT as a pseudo-instructionlowered to a cannonical ADR 
instruction at MC lowering. Add binary encoding information for the ADR,
including fixup data for the label operand.

llvm-svn: 120594
 2010-12-01 19:47:31 +00:00
Owen Anderson
943fb60b1f Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax. 
llvm-svn: 120589
 2010-12-01 19:18:46 +00:00
Jason W Kim
b5c9cc54d3 kill trailing space 
llvm-svn: 120586
 2010-12-01 19:07:22 +00:00
Jim Grosbach
7f5b475852 10 bits, not 12. 
llvm-svn: 120584
 2010-12-01 18:51:32 +00:00
Jim Grosbach
bfbf357c74 Elaborate on FIXME. 
llvm-svn: 120552
 2010-12-01 04:01:17 +00:00
Jim Grosbach
d0d1329fc8 Move the ARMAsmPrinter class defintiion into a header file. 
llvm-svn: 120551
 2010-12-01 03:45:07 +00:00
Bill Wendling
901d4d07d8 Remove "comparison of integers of different signs" warning by making the 
variable unsigned.

llvm-svn: 120541
 2010-12-01 02:49:04 +00:00
Bill Wendling
cbb08ca08c General cleanups of comments. 
llvm-svn: 120536
 2010-12-01 02:42:55 +00:00
Jason W Kim
29805961d8 ARM/MC/ELF relocation "hello world" for movw/movt. 
Lifted adjustFixupValue() from Darwin for sharing w ELF.
Test added
TODO:
  refactor ELFObjectWriter::RecordRelocation more.
  Possibly share more code with Darwin?
  Lots more relocations...

llvm-svn: 120534
 2010-12-01 02:40:06 +00:00
Bill Wendling
9c25894995 Formatting. It's all the rage! 
llvm-svn: 120533
 2010-12-01 02:36:55 +00:00
Bill Wendling
8ed14ae48a More refactoring. This time the T1pI pattern. 
llvm-svn: 120532
 2010-12-01 02:28:08 +00:00
Eric Christopher
119ff7ff04 Refactor load/store handling again. Simplify and make some room for 
reg+reg handling.

llvm-svn: 120526
 2010-12-01 01:40:24 +00:00
Jan Wen Voung
d602c2cc19 Initialize an ARMConstantPoolValue field. 
llvm-svn: 120525
 2010-12-01 01:38:58 +00:00
Bill Wendling
c25545a1a7 s/T1pIEncode/T1pILdStEncode/g 
s/T1pIEncodeImm/T1pILdStEncodeImm/g

llvm-svn: 120524
 2010-12-01 01:38:08 +00:00
Bill Wendling
7c646b924b Renaming variables to coincide with documentation. No functionality change. 
llvm-svn: 120522
 2010-12-01 01:32:02 +00:00
Bill Wendling
490240a5d9 Refactor T1sI and T1sIt encodings into helper classes. 
llvm-svn: 120518
 2010-12-01 01:20:15 +00:00
Bill Wendling
4915f56669 Refactor the T1sIt encodings into a parent class to get rid of all of the "let" 
statements.

llvm-svn: 120512
 2010-12-01 00:48:44 +00:00
Owen Anderson
4472801765 Use by-name rather than by-order matching for NEON operands. 
llvm-svn: 120507
 2010-12-01 00:28:25 +00:00
Evan Cheng
d4b0873c06 Enable sibling call optimization of libcalls which are expanded during 
legalization time. Since at legalization time there is no mapping from
SDNode back to the corresponding LLVM instruction and the return
SDNode is target specific, this requires a target hook to check for
eligibility. Only x86 and ARM support this form of sibcall optimization
right now.
rdar://8707777

llvm-svn: 120501
 2010-11-30 23:55:39 +00:00
Bill Wendling
05632cb5cc Rename operands to match ARM documentation. No functionality change. 
llvm-svn: 120500
 2010-11-30 23:54:45 +00:00
Jim Grosbach
ee48d2daaa Fix typo. 
llvm-svn: 120499
 2010-11-30 23:51:41 +00:00
Jim Grosbach
38d90de7c3 Trailing whitespace. 
llvm-svn: 120497
 2010-11-30 23:29:24 +00:00
Jason W Kim
c440e79126 Thanks to JimG for catching this! 
llvm-svn: 120494
 2010-11-30 23:27:18 +00:00
Bill Wendling
5c51fcda81 Inline classes that were used in only one place. 
llvm-svn: 120488
 2010-11-30 23:16:25 +00:00
Bill Wendling
a9e3df7aa0 * Add support for encoding t_addrmode_s2 and t_addrmode_s1. They are the same as 
t_addrmode_s4, but with a different scaling factor.

* Encode the Thumb1 load and store instructions. This involved a bit of
  refactoring (hi, Chris! :-). Some of the patterns became dead afterwards and
  were removed.

llvm-svn: 120482
 2010-11-30 22:57:21 +00:00
Owen Anderson
8335e8fa63 Simplify the encoding of reg+/-imm12 values that allow PC-relative encoding. This allows the 
Thumb2 encoding to share code with the ARM encoding, which gets use fixup support for free.
It also allows us to fold away at least one codegen-only pattern.

llvm-svn: 120481
 2010-11-30 22:45:47 +00:00
Jim Grosbach
2d3e5c1aec Fix handling of ARM negative pc-relative fixups for loads and stores. 
llvm-svn: 120480
 2010-11-30 22:40:36 +00:00
Owen Anderson
0dc6246fc0 Provide Thumb2 encodings for a few miscellaneous instructions. 
llvm-svn: 120455
 2010-11-30 20:00:01 +00:00
Jim Grosbach
233890547d Add FIXME 
llvm-svn: 120451
 2010-11-30 19:25:56 +00:00
Owen Anderson
299382e8cb Add encoding support for Thumb2 PLD and PLI instructions. 
llvm-svn: 120449
 2010-11-30 19:19:31 +00:00
Eric Christopher
78b4efb472 Noticed this on inspection, fix and update some comments. 
llvm-svn: 120447
 2010-11-30 19:14:07 +00:00
Jim Grosbach
3b4e2ab5f3 Pseudo-ize ARM MOVPCRX 
llvm-svn: 120442
 2010-11-30 18:56:36 +00:00
Owen Anderson
ebcd9c9258 Provide encodings for a few more load/store variants. 
llvm-svn: 120439
 2010-11-30 18:38:28 +00:00
Jim Grosbach
cd5e30f6c6 Pseudo-ize BX_CALL and friends. Remove dead instruction format classes. 
rdar://8685712

llvm-svn: 120438
 2010-11-30 18:30:19 +00:00
Bill Wendling
811c936ed5 Add parsing for the Thumb t_addrmode_s4 addressing mode. This can almost 
certainly be made more generic. But it does allow us to parse something like:

          ldr     r3, [r2, r4]

correctly in Thumb mode.

llvm-svn: 120408
 2010-11-30 07:44:32 +00:00
Bill Wendling
ddce9f3757 Minor cleanups. No functional change. 
llvm-svn: 120372
 2010-11-30 00:50:22 +00:00
Bill Wendling
8294a30d54 s/ARM::BRIND/ARM::BX/g to coincide with r120366. 
llvm-svn: 120371
 2010-11-30 00:48:15 +00:00
Bill Wendling
62718de2b9 Add correct encoding for "bl __aeabi_read_tp". However, the asm matcher isn't 
able to match this yet.

llvm-svn: 120369
 2010-11-30 00:34:08 +00:00
Jim Grosbach
027bd47e3e Rename BX/BRIND/etc patterns to clarify which is actually the BX instruction 
and which are pseudos.

llvm-svn: 120366
 2010-11-30 00:24:05 +00:00
Bill Wendling
85a8a72d85 Add some encoding for the adr instruction. Labels still need to be finished. 
llvm-svn: 120365
 2010-11-30 00:18:30 +00:00
Owen Anderson
e22c7322b8 Correct Thumb2 encodings for a much wider range of loads and stores. 
llvm-svn: 120364
 2010-11-30 00:14:31 +00:00
Jim Grosbach
49408cef39 Make a few more ARM pseudo instructions actually use the PseudoInst base class. 
llvm-svn: 120362
 2010-11-30 00:09:06 +00:00
Bill Wendling
ce3d6ca564 Predicate encoding should be withing {}s. And general cleanup. 
llvm-svn: 120361
 2010-11-30 00:08:20 +00:00
Bill Wendling
795f211418 Predicate encoding should be withing {}s. 
llvm-svn: 120360
 2010-11-30 00:05:25 +00:00
Bob Wilson
318ce7cb3f Fix the encoding of VLD4-dup alignment. 
The only reasonable way I could find to do this is to provide an alternate
version of the addrmode6 operand with a different encoding function.  Use it
for all the VLD-dup instructions for the sake of consistency.

llvm-svn: 120358
 2010-11-30 00:00:42 +00:00