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e118cb6146
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11879 Commits

Author SHA1 Message Date
Evan Cheng
e118cb6146 Use 16-bit tMOVgpr2gpr instead of tMOVr to copy GPR registers in Thumb2 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 19:34:35 +00:00
Evan Cheng
1d2426c470 Fix support to use NEON for single precision fp math. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 19:30:41 +00:00
Sanjiv Gupta
394a1a21a1 Minor fixes to avoid using invalid debugloc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 11:00:02 +00:00
Benjamin Kramer
b8d222def1 Simplify code and avoid allocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 10:42:28 +00:00
Daniel Dunbar
6812cd18aa Improve disabling of X86 AsmMatcher. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 09:06:38 +00:00
Daniel Dunbar
7ddca30f31 Disable X86 AsmMatcher for now, it is causing gcc-4.0 to run out of memory on 
i386-apple-darwin9. This presumably will get fixed once the generated code
improves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 08:45:03 +00:00
Daniel Dunbar
20927f26fc llvm-mc/AsmMatcher: Move to a slightly more sane matching design. 
- Still not very sane, but a least its not 60k lines on X86. :)

 - In terms of correctness, currently some things are hard wired for X86, and we
   still don't properly resolve ambiguities (this is ignoring the instructions
   we don't even match due to funny .td stuff or other corner cases).

The high level changes:
 1. Represent tokens which are significant for matching explicitly as separate
    operands. This uniformly handles not only the instruction mnemonic, but
    also 'signficiant' syntax like the '*' in "call * ...".

 2. Separate the matching of operands to an instruction from the construction of
    the MCInst. In theory this can be done during matching, but since the number
    of variations is small I think it makes sense to decompose the problems.

 3. Improved a few of the mechanisms to at least successfully flatten / tokenize
    the assembly strings for PowerPC and ARM.

 4. The comment at the top of AsmMatcherEmitter.cpp explains the approach I'm
    moving towards for handling ambiguous instructions. The high-bit is to infer
    a partial ordering of the operand classes (and force the user to specify one
    if we can't) and use that to resolve ambiguities.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78378 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 08:26:05 +00:00
Evan Cheng
b6879b2b84 Error out, rather than infinite looping, if constant island pass can't converge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78377 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 07:35:21 +00:00
Evan Cheng
53c67c0218 tBfar is bl, which clobbers LR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78370 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 05:45:07 +00:00
Sanjiv Gupta
85019e15eb Run memsel inserter just before emit assembly to avoid tinkering by other passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78369 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 05:44:27 +00:00
Andrew Lenharth
a3c6073fd3 These should be expanded 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 02:17:44 +00:00
Dan Gohman
7db949df78 Fix a bunch of namespace pollution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 01:32:21 +00:00
Evan Cheng
861986401e It turns out most of the thumb2 instructions are not allowed to touch SP. The semantics of such instructions are unpredictable. We have just been lucky that tests have been passing. 
This patch takes pain to ensure all the PEI lowering code does the right thing when lowering frame indices, insert code to manipulate stack pointers, etc. It's also custom lowering dynamic stack alloc into pseudo instructions so we can insert the right instructions at scheduling time.

This fixes PR4659 and PR4682.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78361 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 00:34:42 +00:00
Nicolas Geoffray
6f62cffd63 Output the new StructType constructor, which takes the context of the 
module as first argument.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78340 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 21:31:35 +00:00
Devang Patel
2251666d44 Use DebugInfoFinder 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78334 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 20:53:24 +00:00
Bob Wilson
b36ec86c01 Implement Neon VST[234] operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78330 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 18:47:44 +00:00
David Goodwin
8b7d7ade85 Add parameter to pattern classes to enable an itinerary to be specified for instructions. For now just use the existing itineraries or NoItinerary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78321 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 16:52:47 +00:00
Chris Lattner
24f654c8a4 Fix several fixmes and clean up code by sinking *all* section 
creation activity into the target-specific subclasses of TLOF.
Before this, globals with explicit sections could be created by
the base class.

1. make getOrCreateSection protected, add a new getExplicitSectionGlobal
   pure virtual method to assign sections to globals with a specified
   section.
2. eliminate getSpecialCasedSectionGlobals, which is now PIC specific.
3. eliminate the getKindForNamedSection virtual method, which is
   now just a static method for ELF.
4. Add implementions of getExplicitSectionGlobal for ELF/PECOFF/Darwin/PIC16.
   They are now all detangled and understandable, woo! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78319 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 16:39:58 +00:00
Chris Lattner
759b88898d go through PIC16TargetObjectFile to make sections instead of 
creating them directly in the pic16 asmprinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78317 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 16:27:28 +00:00
Anton Korobeynikov
d7697d0167 We need to sext global addresses in kernel code model, not zext 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78299 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 11:23:24 +00:00
Dan Gohman
aae317ac32 Fix a bug in x86's PreprocessForRMW logic that was exposed 
by aggressive chain operand optimization. UpdateNodeOperands
does not modify the node in place if it would result in
a node identical to an existing node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 09:22:57 +00:00
Anton Korobeynikov
186fa1d0df Missed part of recent kernel codemodel tweaks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 09:11:19 +00:00
Bob Wilson
0cedab9a0d Neon does not actually have VLD{234}.64 instructions. 
These operations will have to be synthesized from other instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78263 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 00:24:27 +00:00
Bob Wilson
70cd88fb7b Add a new pre-allocation pass to assign adjacent registers for Neon instructions 
that have that constraint.  This is currently just assigning a fixed set of
registers, and it only handles VLDn for n=2,3,4 with DPR registers.
I'm going to expand it to handle more operations next; we can make it smarter
once everything is working correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78256 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 23:12:45 +00:00
Anton Korobeynikov
b5e0172405 Better handle kernel code model. Also, generalize the things and fix one 
subtle bug with small code model.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78255 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 23:01:26 +00:00
Dan Gohman
59e34921a5 Use GR32 for copies between GR32_NOSP and GR32_NOREX, as neither 
is a subset of the other, but both are subsets of GR32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78250 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 22:18:26 +00:00
David Goodwin
7bfdca0206 When using NEON for single-precision FP, the NEON result must be placed in D0-D15 as these are the only D registers with S subregs. Introduce a new regclass to represent D0-D15 and use it in the NEON single-precision FP patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78244 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 21:02:22 +00:00
Chris Lattner
cafbdc5c09 remove the 'DataSectionStartSuffix' and 'TextSectionStartSuffix' knobs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 20:49:52 +00:00
Anton Korobeynikov
058c251d4a Remove redundand checks: the only way to have, e.g. f32 RegVT is exactly 
hardfloat case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78237 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 20:15:19 +00:00
Dan Gohman
be0cf7dbc2 hasSuperClass tests for a strict superset relation, rather than 
a superset relation. This code wants to test the regular superset
relation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78236 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 20:13:45 +00:00
Anton Korobeynikov
14d9495403 Unbreak the stuff, this is ugly, but we cannot do better for now with 'plain' C calling conv. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 19:40:16 +00:00
Anton Korobeynikov
567d14f07c Missed pieces for ARM HardFP ABI. 
Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78225 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 19:04:42 +00:00
Andrew Lenharth
7f285c8024 Use elf Object File directly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78220 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 18:13:04 +00:00
Daniel Dunbar
e22f4da01d Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78219 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 18:12:37 +00:00
Dan Gohman
74f6f9a931 Enable the new no-SP register classes by default. This is to address 
PR4572. A few tests have some minor code regressions due to different
coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78217 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 17:40:24 +00:00
Bob Wilson
7f0f2515a0 Remove a redundant declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78216 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 17:39:44 +00:00
Anton Korobeynikov
9e155d61da Convert bswap test to filecheck, add more test entries & convert stuff to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78212 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:50:53 +00:00
Dan Gohman
22f7d57dde Fix a bug in the PIC16 backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:46:43 +00:00
David Goodwin
ce3c1f2a0e Disable NEON single-precision FP support for Cortex-A8, for now... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:40:57 +00:00
Devang Patel
bccdcb1857 Remove dead code. MDNode and MDString are not Constant anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78207 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:40:02 +00:00
Anton Korobeynikov
93e21f7b6f Add memory versions of some instructions. 
Patch by Neale Ferguson!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78203 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:16:11 +00:00
David Goodwin
1f0e404c87 By default, for cortex-a8 use NEON for single-precision FP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78200 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:01:19 +00:00
Anton Korobeynikov
1e0039d6cf Special constants as destinations does not work as expected - drop the patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 14:42:00 +00:00
Andrew Lenharth
1ad11a896c Alpha: Get section directives right 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78189 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 13:59:57 +00:00
Anton Korobeynikov
0802a1e1e8 Cleanup in dbg_stoppoint handling in CBE. Patch by Sandeep Patel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78182 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 09:31:40 +00:00
Anton Korobeynikov
e392c8336f Minor arm CBE fixes. Patch by Sandeep. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78181 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 09:31:07 +00:00
Anton Korobeynikov
e641b527e8 Emit module-level inline asm for CBE. 
Patch by Sandeep Patel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 09:29:56 +00:00
Bruno Cardoso Lopes
52d0851446 - Remove custom handling of jumptables by the elf writter (this was 
a dirty hack and isn't need anymore since the last x86 code emitter patch)
- Add a target-dependent modifier to addend calculation
- Use R_X86_64_32S relocation for X86::reloc_absolute_word_sext
- Use getELFSectionFlags whenever possible
- fix getTextSection to use TLOF and emit the right text section 
- Handle global emission for static ctors, dtors and Type::PointerTyID
- Some minor fixes



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 06:57:03 +00:00
Evan Cheng
61f4b721b2 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 06:41:25 +00:00
Dan Gohman
c3c9c486e4 Teach X86FastISel how to handle CCValAssign::BCvt, which is used for 
MMX arguments. This fixes PR4684.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78163 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:33:42 +00:00