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Author SHA1 Message Date
Jim Grosbach
a0e23c5e95 The add/sub SP instructions are really pseudos. The assembler should ignore 
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:21:27 +00:00
Jakob Stoklund Olesen
a35cce1a14 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:06:52 +00:00
Matt Beaumont-Gay
0a29c270b5 Remove unused variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:04:43 +00:00
Owen Anderson
8f07943317 Fix typo in Thumb2 branch fixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:02:09 +00:00
Eric Christopher
2040961f89 Stop confusing people, it's not really a chain, or a tumor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:57:19 +00:00
Bill Wendling
2fe813af23 Remove extraneous semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:51:54 +00:00
Bill Wendling
797b7aab35 Attempt to make the bit-twiddling readable resulted in the binary value being 
overwritten.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:44:33 +00:00
Bill Wendling
09aa3f0ef3 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:39:08 +00:00
Eric Christopher
8bce7cc3bf 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121330 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:27:58 +00:00
Owen Anderson
fb20d89075 Fix Thumb2 BCC encoding and fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:27:41 +00:00
Eric Christopher
2871768f40 Add rsp to the uses for the same reason as 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:26:41 +00:00
Devang Patel
d639c7cab4 DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead. 
This fixes radar 8730409.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:10:40 +00:00
Kevin Enderby
76331754d4 Allow a slash, '/', as a prefix separator for X86. rdar://8741045 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121320 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:57:59 +00:00
Jakob Stoklund Olesen
9b0c4f8af3 Properly deal with empty intervals when checking for interference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121319 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:51:35 +00:00
Jason W Kim
045869c12a Style nit and whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:35:25 +00:00
Eric Christopher
7b5d456d5c Move this test to tlv* to make it easier to notice versus linux tls 
support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121316 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:33:23 +00:00
Jim Grosbach
60fc2ed2bb Clean up the add/sub w/ SP source reg instructions in Thumb2 a bit. Add a FIXME 
for more thorough cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:30:19 +00:00
Jim Grosbach
20e0fa698d Fix T2TwoRegImm and use it for t2ADDrSPi12 and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:24:29 +00:00
Jason W Kim
0062db8b4f Removed dead comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121313 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:19:44 +00:00
Jason W Kim
a0871e7927 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:14:44 +00:00
Jim Grosbach
7685ff84ad T2TwoRegImm isn't right for t2SUBrSPi12. Use T2I instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121311 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:13:01 +00:00
Jim Grosbach
37474e6d68 Add operand encoding for Thumb2 subw SP + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:12:09 +00:00
Jim Grosbach
07e9b26371 Add operand encoding for Thumb2 addw Rn + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:04:16 +00:00
Bill Wendling
dff2f7151f Support the "target" encodings for the CB[N]Z instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121308 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:01:43 +00:00
Evan Cheng
5d9e016025 Fix an obvious cut-n-paste error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:01:18 +00:00
Jakob Stoklund Olesen
90c1d7ddfc Implement very primitive hinting support in RegAllocGreedy. 
The hint is simply tried first and then forgotten if it couldn't be allocated
immediately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:57:16 +00:00
Jim Grosbach
b76dfe06d9 Add operand encoding for Thumb2 addw SP + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:50:19 +00:00
Jim Grosbach
7c6d85a981 Parameterize opcode encoding bits for Thumb2 extended precision integer 
multiply instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121301 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:38:41 +00:00
Bob Wilson
7441089c9b Add operators for "_lane" variants of some saturating Neon multiply intrinsics 
so they can be implemented without separate clang builtins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:36:08 +00:00
Jim Grosbach
5208204899 Fix operand encoding for Thumb2 extended precision multiplies. rdar://8745555 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:29:28 +00:00
Jakob Stoklund Olesen
d0bec3e62c 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:22:41 +00:00
Eric Christopher
bece04845e Reword comment slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:21:42 +00:00
Lang Hames
35f4cf0474 Fixed some dependencies in RegAllocPBQP.h . Thanks to Borja Ferrer for pointing out this issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:15:32 +00:00
Jim Grosbach
8638692362 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:10:43 +00:00
Devang Patel
b351ebf7fc Use type's file info while describing inheritance relationship. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:46:37 +00:00
Bob Wilson
b4504308ce Add operators for vabdl and vabal so they can be implemented without builtins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:39:04 +00:00
Bob Wilson
b1e9df3b72 Remove unused function parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121286 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:39:00 +00:00
Eric Christopher
f299da8ec3 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:35:09 +00:00
Jakob Stoklund Olesen
753936602e Trim includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121283 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:12:00 +00:00
Devang Patel
44498a640d Add support to create debug info for functions and methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121281 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:42:44 +00:00
Jim Grosbach
0c2c217244 Tweak ARM fixup value adjustments for Thumb to better handle the half-word 
ordering of thumb mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:32:07 +00:00
Devang Patel
0a2551de2c Add support to create class type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:18:20 +00:00
Bob Wilson
f4f39d35cd Add an operator for vaba so it can be implemented using vabd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:09:10 +00:00
Andrew Trick
6b1207267f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121274 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:04:29 +00:00
Bill Wendling
cd466f582a Use this new fangled StringSwitch technology. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121273 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:02:49 +00:00
Owen Anderson
cc78f5c09c Improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 19:31:11 +00:00
Jim Grosbach
022ab3779c Add initializer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 15:36:45 +00:00
Bill Wendling
dd2b6cbb62 Cleanup table a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121250 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 13:03:15 +00:00
Evan Cheng
275bf63115 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121238 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 06:29:02 +00:00
Jakob Stoklund Olesen
cba2e06d52 Stub out RegAllocGreedy. 
This new register allocator is initially identical to RegAllocBasic, but it will
receive all of the tricks that RegAllocBasic won't get.

RegAllocGreedy will eventually replace linear scan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 03:26:16 +00:00