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Author SHA1 Message Date
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
Eric Christopher
d601b8288f Move this test to tlv* to make it easier to notice versus linux tls 
support.

llvm-svn: 121316
 2010-12-08 23:33:23 +00:00
Jim Grosbach
5a00173ead Clean up the add/sub w/ SP source reg instructions in Thumb2 a bit. Add a FIXME 
for more thorough cleanup.

llvm-svn: 121315
 2010-12-08 23:30:19 +00:00
Jim Grosbach
2eda2e0be9 Fix T2TwoRegImm and use it for t2ADDrSPi12 and friends. 
llvm-svn: 121314
 2010-12-08 23:24:29 +00:00
Jason W Kim
e8047d9ec4 Removed dead comment. 
llvm-svn: 121313
 2010-12-08 23:19:44 +00:00
Jason W Kim
2e6e50c1b0 ARM/MC/ELF TPsoft is now a proper pseudo inst. 
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM
as well as ELF/OBJ (including fixup)

Also added support for ELF::R_ARM_TLS_IE32

llvm-svn: 121312
 2010-12-08 23:14:44 +00:00
Jim Grosbach
7a9e43e642 T2TwoRegImm isn't right for t2SUBrSPi12. Use T2I instead. 
llvm-svn: 121311
 2010-12-08 23:13:01 +00:00
Jim Grosbach
4f11f0f871 Add operand encoding for Thumb2 subw SP + imm. rdar://8745434 
llvm-svn: 121310
 2010-12-08 23:12:09 +00:00
Jim Grosbach
a423fbc4c7 Add operand encoding for Thumb2 addw Rn + imm. rdar://8745434 
llvm-svn: 121309
 2010-12-08 23:04:16 +00:00
Bill Wendling
9756f7c7b0 Support the "target" encodings for the CB[N]Z instructions. 
llvm-svn: 121308
 2010-12-08 23:01:43 +00:00
Evan Cheng
9fcb62eed1 Fix an obvious cut-n-paste error. 
llvm-svn: 121307
 2010-12-08 23:01:18 +00:00
Jakob Stoklund Olesen
37df3f04c2 Implement very primitive hinting support in RegAllocGreedy. 
The hint is simply tried first and then forgotten if it couldn't be allocated
immediately.

llvm-svn: 121306
 2010-12-08 22:57:16 +00:00
Jim Grosbach
51082ed2a4 Add operand encoding for Thumb2 addw SP + imm. rdar://8745434 
llvm-svn: 121305
 2010-12-08 22:50:19 +00:00
Jim Grosbach
e1eb84a44a Parameterize opcode encoding bits for Thumb2 extended precision integer 
multiply instructions.

llvm-svn: 121301
 2010-12-08 22:38:41 +00:00
Bob Wilson
8c693a934a Add operators for "_lane" variants of some saturating Neon multiply intrinsics 
so they can be implemented without separate clang builtins.

llvm-svn: 121299
 2010-12-08 22:36:08 +00:00
Jim Grosbach
13c16125f1 Fix operand encoding for Thumb2 extended precision multiplies. rdar://8745555 
llvm-svn: 121297
 2010-12-08 22:29:28 +00:00
Jakob Stoklund Olesen
3c81b6a50b Store (priority,regnum) pairs in the priority queue instead of providing an 
abstract priority queue interface in subclasses that want to override the
priority calculations.

Subclasses must provide a getPriority() implementation instead.

This approach requires less code as long as priorities are expressable as simple
floats, and it avoids the dangers of defining potentially expensive priority
comparison functions.

It also should speed up priority_queue operations since they no longer have to
chase pointers when comparing registers. This is not measurable, though.

Preferably, we shouldn't use floats to guide code generation. The use of floats
here is derived from the use of floats for spill weights. Spill weights have a
dynamic range that doesn't lend itself easily to a fixpoint implementation.

When someone invents a stable spill weight representation, it can be reused for
allocation priorities.

llvm-svn: 121294
 2010-12-08 22:22:41 +00:00
Eric Christopher
d492f798d1 Reword comment slightly. 
llvm-svn: 121293
 2010-12-08 22:21:42 +00:00
Lang Hames
334ef20886 Fixed some dependencies in RegAllocPBQP.h . Thanks to Borja Ferrer for pointing out this issue. 
llvm-svn: 121292
 2010-12-08 22:15:32 +00:00
Jim Grosbach
063c38c6df Simplify T2 operand assignment notation a bit. No need to specify a bit range 
for the source field when it's the whole thing that's being referenced.

llvm-svn: 121291
 2010-12-08 22:10:43 +00:00
Devang Patel
e515e18523 Use type's file info while describing inheritance relationship. 
llvm-svn: 121289
 2010-12-08 21:46:37 +00:00
Bob Wilson
b258f6e80b Add operators for vabdl and vabal so they can be implemented without builtins. 
llvm-svn: 121287
 2010-12-08 21:39:04 +00:00
Bob Wilson
368438b3ac Remove unused function parameter. 
llvm-svn: 121286
 2010-12-08 21:39:00 +00:00
Eric Christopher
77d3a7b3fb Fix comment. 
llvm-svn: 121285
 2010-12-08 21:35:09 +00:00
Jakob Stoklund Olesen
f04d283db1 Trim includes. 
llvm-svn: 121283
 2010-12-08 21:12:00 +00:00
Devang Patel
90fd70aa09 Add support to create debug info for functions and methods. 
llvm-svn: 121281
 2010-12-08 20:42:44 +00:00
Jim Grosbach
5e900612ff Tweak ARM fixup value adjustments for Thumb to better handle the half-word 
ordering of thumb mode.

llvm-svn: 121280
 2010-12-08 20:32:07 +00:00
Devang Patel
53f05af4c1 Add support to create class type. 
llvm-svn: 121279
 2010-12-08 20:18:20 +00:00
Bob Wilson
9cb69260e2 Add an operator for vaba so it can be implemented using vabd. 
llvm-svn: 121276
 2010-12-08 20:09:10 +00:00
Andrew Trick
fb72ca2129 Generalize PostRAHazardRecognizer so it can be used in any pass for 
both forward and backward scheduling. Rename it to
ScoreboardHazardRecognizer (Scoreboard is one word). Remove integer
division from the scoreboard's critical path.

llvm-svn: 121274
 2010-12-08 20:04:29 +00:00
Bill Wendling
24e6d5a4f2 Use this new fangled StringSwitch technology. 
llvm-svn: 121273
 2010-12-08 20:02:49 +00:00
Owen Anderson
d5c17d5981 Improve comment. 
llvm-svn: 121272
 2010-12-08 19:31:11 +00:00
Jim Grosbach
16cdaf34bc Add initializer. 
llvm-svn: 121262
 2010-12-08 15:36:45 +00:00
Bill Wendling
3e1be94d7e Cleanup table a bit. 
llvm-svn: 121250
 2010-12-08 13:03:15 +00:00