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Commit Graph

232 Commits

Author SHA1 Message Date
Akira Hatanaka
0435101a38 Implement a DAGCombine in MipsISelLowering.cpp which transforms the following
pattern:

(add v0, (add v1, abs_lo(tjt))) => (add (add v0, v1), abs_lo(tjt))

"tjt" is a TargetJumpTable node. 

llvm-svn: 158419
2012-06-13 20:33:18 +00:00
Akira Hatanaka
fef6359b1c Set a higher value for maxStoresPerMemcpy in MipsISelLowering.cpp.
llvm-svn: 158414
2012-06-13 19:33:32 +00:00
Akira Hatanaka
25f2f1feba Implement fastcc calling convention for MIPS.
llvm-svn: 158410
2012-06-13 18:06:00 +00:00
Akira Hatanaka
c118cf7c71 disable use of directive .set nomicromips
until this directive is pushed in gas to open source fsf

Patch by Reed Kotler.

llvm-svn: 158381
2012-06-13 02:41:14 +00:00
Akira Hatanaka
c4d8a54531 Add a test case for mips64 unaligned load/store instructions.
llvm-svn: 157939
2012-06-04 17:57:06 +00:00
Akira Hatanaka
daaa398de8 Rename test/CodeGen/Mips/load-shift-left-right.ll.
llvm-svn: 157938
2012-06-04 17:50:36 +00:00
Akira Hatanaka
cb564aef50 Add another test case which tests Mips' unaligned load/store instructions.
llvm-svn: 157874
2012-06-02 01:13:10 +00:00
Akira Hatanaka
2567e6aec1 Fix test cases in test/CodeGen/Mips.
llvm-svn: 157868
2012-06-02 00:05:45 +00:00
Eric Christopher
c2eb5a6ee6 Add support for the mips inline asm 'm' output modifier.
Patch by Jack Carter.

llvm-svn: 157709
2012-05-30 19:05:19 +00:00
Akira Hatanaka
a169c70246 Turn on mips16 pseudo op when compiling for mips16.
Expand test case for this.

Patch by Reed Kotler.

llvm-svn: 157410
2012-05-24 18:37:43 +00:00
Akira Hatanaka
44ebe6c79d Enable Mips16 compiler to compile a null program.
First code from the Mips16 compiler. Includes trivial test program.

Patch by Reed Kotler.

llvm-svn: 157408
2012-05-24 18:32:33 +00:00
Eric Christopher
2d50bc73f8 Add support for the 'd' mips inline asm output modifier.
Patch by Jack Carter.

llvm-svn: 157093
2012-05-19 00:51:56 +00:00
Eric Christopher
9308072a49 Add support for the mips 'x' inline asm modifier.
Patch by Jack Carter.

llvm-svn: 157057
2012-05-18 17:39:35 +00:00
Akira Hatanaka
a80ec224bf Fix test cases.
llvm-svn: 156697
2012-05-12 03:25:16 +00:00
Akira Hatanaka
431ee824c6 Make the following changes in MipsAsmPrinter.cpp:
- Remove code which lowers pseudo SETGP01.
- Fix LowerSETGP01. The first two of the three instructions that are emitted to
  initialize the global pointer register now use register $2.
- Stop emitting .cpload directive.

llvm-svn: 156689
2012-05-12 00:48:43 +00:00
Akira Hatanaka
bc52a1662b Insert instructions to the entry basic block which initializes the global
pointer register. 


This is the first of the series of patches which clean up the way global pointer
register is used. The patches will make the following improvements:

- Make $gp an allocatable temporary register rather than reserving it.
- Use a virtual register as the global pointer register and let the register
  allocator decide which register to assign to it or whether spill/reloads are
  needed.
- Make sure $gp is valid at the entry of a called function, which is necessary
  for functions using lazy binding.
- Remove the need for emitting .cprestore and .cpload directives.

llvm-svn: 156671
2012-05-12 00:17:17 +00:00
Akira Hatanaka
3e39081c4a Do not replace operands of pseudo instructions with register $zero.
llvm-svn: 156663
2012-05-11 23:22:18 +00:00
Akira Hatanaka
d81273be58 Use regular expression to match register names.
llvm-svn: 156656
2012-05-11 23:00:40 +00:00
Eric Christopher
dbb26083e5 Add support for the 'X' inline asm operand modifier.
Patch by Jack Carter.

llvm-svn: 156577
2012-05-10 21:48:22 +00:00
Akira Hatanaka
574e68feec Add another peephole pattern for conditional moves.
llvm-svn: 156460
2012-05-09 02:29:29 +00:00
Akira Hatanaka
a53bdc878f Make register FP allocatable if the compiled function does not have dynamic
allocas.

llvm-svn: 156458
2012-05-09 01:38:13 +00:00
Akira Hatanaka
bd2f3d1c46 Expand 64-bit shifts if target ABI is O32.
llvm-svn: 156457
2012-05-09 00:55:21 +00:00
Eric Christopher
87e8163c57 Add support for the 'l' constraint.
Patch by Jack Carter.

llvm-svn: 156294
2012-05-07 06:25:15 +00:00
Eric Christopher
af8eabbbd8 Add support for the 'c' constraint.
Patch by Jack Carter.

llvm-svn: 156293
2012-05-07 06:25:10 +00:00
Eric Christopher
0f1a0afa75 Add support for the 'P' constraint.
Patch by Jack Carter.

llvm-svn: 156292
2012-05-07 06:25:02 +00:00
Eric Christopher
a6552ba637 Add support for the 'O' constraint.
Patch by Jack Carter.

llvm-svn: 156285
2012-05-07 05:46:48 +00:00
Eric Christopher
5e1efebf09 Add support for the 'N' inline asm constraint.
Patch by Jack Carter.

llvm-svn: 156284
2012-05-07 05:46:43 +00:00
Eric Christopher
e5a46b70b3 Add support for the 'L' inline asm constraint.
Patch by Jack Carter.

llvm-svn: 156283
2012-05-07 05:46:37 +00:00
Eric Christopher
267aa256cb Add support for the inline asm constraint 'K'.
llvm-svn: 156282
2012-05-07 05:46:29 +00:00
Eric Christopher
bf784be9ae Support the 'J' constraint.
Patch by Jack Carter.

llvm-svn: 156280
2012-05-07 03:13:42 +00:00
Eric Christopher
929ba63dcf Add support for the 'I' inline asm constraint. Also add tests
from the previous 2 patches.

Patch by Jack Carter.

llvm-svn: 156279
2012-05-07 03:13:32 +00:00
Akira Hatanaka
b3ecf903f1 Do not use $gp as a dedicated global register if the target ABI is not O32.
llvm-svn: 155522
2012-04-25 01:24:52 +00:00
Chandler Carruth
728acc9bd9 Flip the new block-placement pass to be on by default.
This is mostly to test the waters. I'd like to get results from FNT
build bots and other bots running on non-x86 platforms.

This feature has been pretty heavily tested over the last few months by
me, and it fixes several of the execution time regressions caused by the
inlining work by preventing inlining decisions from radically impacting
block layout.

I've seen very large improvements in yacr2 and ackermann benchmarks,
along with the expected noise across all of the benchmark suite whenever
code layout changes. I've analyzed all of the regressions and fixed
them, or found them to be impossible to fix. See my email to llvmdev for
more details.

I'd like for this to be in 3.1 as it complements the inliner changes,
but if any failures are showing up or anyone has concerns, it is just
a flag flip and so can be easily turned off.

I'm switching it on tonight to try and get at least one run through
various folks' performance suites in case SPEC or something else has
serious issues with it. I'll watch bots and revert if anything shows up.

llvm-svn: 154816
2012-04-16 13:49:17 +00:00
Akira Hatanaka
103a1edc4d Revert changes that were accidentally committed.
llvm-svn: 154563
2012-04-11 23:19:55 +00:00
Akira Hatanaka
991d556243 Fix string that is being checked.
llvm-svn: 154547
2012-04-11 23:11:33 +00:00
Akira Hatanaka
48dbb62cb1 Emit neg.s or neg.d only if -enable-no-nans-fp-math is supplied by user,
otherwise expand FNEG during legalization.

llvm-svn: 154546
2012-04-11 22:59:08 +00:00
Akira Hatanaka
11a442d515 Emit abs.s or abs.d only if -enable-no-nans-fp-math is supplied by user.
Invalid operation is signaled if the operand of these instructions is NaN.

llvm-svn: 154545
2012-04-11 22:49:04 +00:00
Akira Hatanaka
6636922675 Fix bugs in lowering of FCOPYSIGN nodes.
- FCOPYSIGN nodes that have operands of different types were not handled.
- Different code was generated depending on the endianness of the target.

Additionally, code is added that emits INS and EXT instructions, if they are
supported by target (they are R2 instructions).

llvm-svn: 154540
2012-04-11 22:13:04 +00:00
Akira Hatanaka
1b46e841a2 Have TargetLowering::getPICJumpTableRelocBase return a node that points to the
GOT if jump table uses 64-bit gp-relative relocation.

llvm-svn: 154341
2012-04-09 20:32:12 +00:00
Akira Hatanaka
5cce394620 Add lines in global-address.ll to test N32 and N64 code generation.
llvm-svn: 154202
2012-04-06 20:23:36 +00:00
Akira Hatanaka
f3ec345016 Reapply test case in 154038, this time with triple to prevent the backend
from emitting gp_rel relocation.

llvm-svn: 154122
2012-04-05 20:44:35 +00:00
Akira Hatanaka
e5ea70212f Reapply 154038 without the failing test.
llvm-svn: 154062
2012-04-04 22:16:36 +00:00
Owen Anderson
f6f930a990 Revert r154038. It was causing make check failures.
llvm-svn: 154054
2012-04-04 21:18:58 +00:00
Akira Hatanaka
4df2267566 Fix LowerGlobalAddress to produce instructions with the correct relocation
types for N32 ABI. Add new test case and update existing ones.

llvm-svn: 154038
2012-04-04 19:02:38 +00:00
Akira Hatanaka
c8028e2551 Fix LowerConstantPool to produce instructions with the correct relocation
types for N32 ABI and update test case.

llvm-svn: 154034
2012-04-04 18:26:12 +00:00
Akira Hatanaka
913d78a99c Fix LowerBlockAddress to produce instructions with the correct relocation
types for N32 ABI and update test case.

llvm-svn: 154031
2012-04-04 18:22:53 +00:00
Akira Hatanaka
fa2f5577e9 Expand FREM.
llvm-svn: 153671
2012-03-29 18:43:11 +00:00
Akira Hatanaka
3d463d748a Fix test case.
llvm-svn: 153555
2012-03-28 00:25:01 +00:00
Eli Bendersky
3ef88c1833 Continue cleanup of LIT, getting rid of the remaining artifacts from dejagnu
* Removed test/lib/llvm.exp - it is no longer needed 
* Deleted the dg.exp reading code from test/lit.cfg. There are no dg.exp files
  left in the test suite so this code is no longer required. test/lit.cfg is
  now much shorter and clearer 
* Removed a lot of duplicate code in lit.local.cfg files that need access to
  the root configuration, by adding a "root" attribute to the TestingConfig
  object. This attribute is dynamically computed to provide the same
  information as was previously provided by the custom getRoot functions. 
* Documented the config.root attribute in docs/CommandGuide/lit.pod

llvm-svn: 153408
2012-03-25 09:02:19 +00:00
Benjamin Kramer
d42906ae81 Remove the no longer existent psp triple from a test.
The test fell back to the C backend, making it useless and it started to fail
on configurations that don't build the C backend.

llvm-svn: 152342
2012-03-08 21:22:27 +00:00