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Commit Graph

68014 Commits

Author SHA1 Message Date
Jim Grosbach
61fe7b9ee5 Rename CB/CBZ specific fixup accordingly.
llvm-svn: 121404
2010-12-09 19:50:12 +00:00
Devang Patel
bef09ddec8 Add assert to catch an attempt to emit .byte 256
llvm-svn: 121402
2010-12-09 19:26:21 +00:00
Kevin Enderby
55cb19813e Add support for parsing ARM arithmetic instructions that update or don't update
the condition codes.  Where the ones that do have an 's' suffix and the ones
that don't don't have the suffix.  The trick is if MatchInstructionImpl() fails
we try again after adding a CCOut operand with the correct value and removing
the 's' if present.  Four simple test cases added for now, lots more to come.

llvm-svn: 121401
2010-12-09 19:19:43 +00:00
Jim Grosbach
9b3730fc77 Rename the encoder method for t_cbtarget to match.
llvm-svn: 121399
2010-12-09 19:04:53 +00:00
Jim Grosbach
57d420438a Thumb needs a few different encoding schemes for branch targets. Rename
t_brtarget to be more specific.

llvm-svn: 121398
2010-12-09 19:01:46 +00:00
Bob Wilson
3c35e2ab2f 80-column fixes.
llvm-svn: 121395
2010-12-09 18:43:35 +00:00
Jim Grosbach
8bc33cc6e5 ARM stm/ldm instructions require more than one register in the register list.
Otherwise, a plain str/ldr should be used instead. Make sure we account for
that in prologue/epilogue code generation.
rdar://8745460

llvm-svn: 121391
2010-12-09 18:31:13 +00:00
Bob Wilson
bd5b0c9ec6 Add a license comment to the generated arm_neon.h header.
Remove the previous header.  I don't think we need to expose to end users
that we use TableGen to produce our version of arm_neon.h, and that header
was also using doubleslash comments which could be a problem when using it
in strict C89 compilations.

llvm-svn: 121390
2010-12-09 18:31:01 +00:00
Andrew Trick
ec37b93b07 Added register reassignment prototype to RAGreedy. It's a simple
heuristic to reshuffle register assignments when we can't find an
available reg.

llvm-svn: 121388
2010-12-09 18:15:21 +00:00
Michael J. Spencer
1b2e087ff3 More code not compiled by CMake. :(.
llvm-svn: 121387
2010-12-09 18:06:07 +00:00
Michael J. Spencer
4ff8736610 CMake: Add FileUpdate to the build.
llvm-svn: 121386
2010-12-09 17:54:44 +00:00
Michael J. Spencer
b38d1766d6 Missed FileUpdate because CMake doesn't build it yet :(.
llvm-svn: 121385
2010-12-09 17:48:55 +00:00
Michael J. Spencer
3dbfb7c62e Support/Windows/PathV2: Fix header comment.
llvm-svn: 121383
2010-12-09 17:37:42 +00:00
Michael J. Spencer
95b8bf9f67 Fix whitespace.
llvm-svn: 121382
2010-12-09 17:37:32 +00:00
Michael J. Spencer
c4c4e1133d Support: Move c_str from SmallVector back to SmallString and add a free standing
templated c_str in Windows.h to replace it.

llvm-svn: 121381
2010-12-09 17:37:18 +00:00
Michael J. Spencer
1d95a8f9bc Support/FileSystem: Change file_status predicate functions that cannot fail to
return their result instead of an error_code. Also add some missing predicate
functions.

llvm-svn: 121380
2010-12-09 17:37:02 +00:00
Michael J. Spencer
15483143ec Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients.
llvm-svn: 121379
2010-12-09 17:36:48 +00:00
Bruno Cardoso Lopes
93e5c2fb64 Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka
llvm-svn: 121377
2010-12-09 17:32:30 +00:00
Bruno Cardoso Lopes
0f5478218e Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka
llvm-svn: 121376
2010-12-09 17:31:11 +00:00
Kalle Raiskila
18da80f675 Dont' feed ILA two inputs - it takes just one.
llvm-svn: 121372
2010-12-09 16:17:31 +00:00
Jim Grosbach
4ad6abd006 tidy up.
llvm-svn: 121371
2010-12-09 16:15:41 +00:00
Jim Grosbach
9adf657f1a 80 columns.
llvm-svn: 121370
2010-12-09 16:14:46 +00:00
Chris Lattner
996691e79c enhance memcpyopt to zap memcpy's that have the same src/dst.
llvm-svn: 121362
2010-12-09 07:45:45 +00:00
Chris Lattner
4fef82afa0 fix PR8753, eliminating a case where we'd infinitely make a
substitution because it doesn't actually change the IR.  Patch by
Jakub Staszak!

llvm-svn: 121361
2010-12-09 07:39:50 +00:00
Eric Christopher
0e40452eb0 Rewrite the darwin tlv support to use a chain and return to copying
the output to the correct register. Fixes a hidden problem uncovered
by the last patch where we'd try to DAG combine our MVT::Other node
oddly.

llvm-svn: 121358
2010-12-09 06:25:53 +00:00
Owen Anderson
a882a78d4b Take the first step towards making LVI non-recursive: get rid of the LVIQuery abstraction.
llvm-svn: 121357
2010-12-09 06:14:58 +00:00
Eric Christopher
ebd7ab9857 80-col fixups.
llvm-svn: 121356
2010-12-09 04:48:06 +00:00
Wesley Peck
33ba317cf6 Reworking the stack layout generated by the MBlaze backend.
llvm-svn: 121355
2010-12-09 03:42:04 +00:00
Owen Anderson
96545f21b9 Fix encoding of the immediate operands on post-indexed LDR and friends.
llvm-svn: 121354
2010-12-09 02:56:12 +00:00
Dan Gohman
3d9fc7db03 Really check that the bits that will become zero are actually already zero
before eliminating the operation that zeros them. This fixes rdar://8739316.

llvm-svn: 121353
2010-12-09 02:52:17 +00:00
Eric Christopher
ea350b4c4b Fix up some comments.
llvm-svn: 121351
2010-12-09 01:57:45 +00:00
Owen Anderson
767a95816d Fix Thumb2 fixups for ldr.
llvm-svn: 121350
2010-12-09 01:51:07 +00:00
Jim Grosbach
5658d982b4 Add a textual message to the assert.
llvm-svn: 121349
2010-12-09 01:23:51 +00:00
Jim Grosbach
da9353523f Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really are
referencing the stack pointer as they say they are.

llvm-svn: 121347
2010-12-09 01:22:19 +00:00
Jim Grosbach
fb71e10e93 When using multiple instructions to reference a frame index, make sure to
update the opcode when necessary as well as the source register.

llvm-svn: 121346
2010-12-09 01:22:13 +00:00
Jim Grosbach
e38a2a39c6 The add/sub SP instructions are really pseudos. The assembler should ignore
them.

llvm-svn: 121345
2010-12-09 01:21:27 +00:00
Jakob Stoklund Olesen
17b2e8c293 IntervalMap iterators are heavyweight, so avoid copying them around and use
references instead.

Similarly, IntervalMap::begin() is almost as expensive as find(), so use find(x)
instead of begin().advanceTo(x);

This makes RegAllocBasic run another 5% faster.

llvm-svn: 121344
2010-12-09 01:06:52 +00:00
Matt Beaumont-Gay
a8aa446938 Remove unused variables
llvm-svn: 121343
2010-12-09 01:04:43 +00:00
Owen Anderson
43177d405a Fix typo in Thumb2 branch fixup.
llvm-svn: 121342
2010-12-09 01:02:09 +00:00
Eric Christopher
64e662fce9 Stop confusing people, it's not really a chain, or a tumor.
llvm-svn: 121340
2010-12-09 00:57:19 +00:00
Bill Wendling
baf852a1d6 Remove extraneous semicolon.
llvm-svn: 121338
2010-12-09 00:51:54 +00:00
Bill Wendling
9205cc6ea8 Attempt to make the bit-twiddling readable resulted in the binary value being
overwritten.

llvm-svn: 121337
2010-12-09 00:44:33 +00:00
Bill Wendling
cd8fdfd65f The BLX instruction is encoded differently than the BL, because why not? In
particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0'
always. Going through the BL fixup encoding was trashing the "bit 0 is '0'"
invariant.

Attempt to get the encoding at slightly more correct with this.

llvm-svn: 121336
2010-12-09 00:39:08 +00:00
Eric Christopher
0100a8fda4 Remove extraneous copy from DAG conversion for darwin tls. This was
popping up at O0 when it wasn't folded and the fast allocator would
complain.

llvm-svn: 121330
2010-12-09 00:27:58 +00:00
Owen Anderson
b956593730 Fix Thumb2 BCC encoding and fixups.
llvm-svn: 121329
2010-12-09 00:27:41 +00:00
Eric Christopher
cc8a622ca4 Add rsp to the uses for the same reason as 32-bit.
llvm-svn: 121328
2010-12-09 00:26:41 +00:00
Devang Patel
b3e0d80b1f DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead.
This fixes radar 8730409.

llvm-svn: 121323
2010-12-09 00:10:40 +00:00
Kevin Enderby
988dab6b5c Allow a slash, '/', as a prefix separator for X86. rdar://8741045
llvm-svn: 121320
2010-12-08 23:57:59 +00:00
Jakob Stoklund Olesen
ffc0f6586a Properly deal with empty intervals when checking for interference.
llvm-svn: 121319
2010-12-08 23:51:35 +00:00
Jason W Kim
e270068021 Style nit and whitespace cleanup
llvm-svn: 121317
2010-12-08 23:35:25 +00:00