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* Implement Neon VTRN instructions. For now, anyway, these are selectedBob Wilson2009-08-082-0/+48
| | | | | | | | | directly from the intrinsics produced by the frontend. If it is more convenient to have a custom DAG node for using these to implement shuffles, we can add that later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78459 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a skeleton Thumb2 instruction size reduction pass.Evan Cheng2009-08-082-1/+219
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78456 91177308-0d34-0410-b5e6-96231b3b80d8
* Code refactoring. No functionality change.Evan Cheng2009-08-084-22/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78455 91177308-0d34-0410-b5e6-96231b3b80d8
* tADDhirr should target GPR, not tGPR.Evan Cheng2009-08-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78454 91177308-0d34-0410-b5e6-96231b3b80d8
* I can type.Evan Cheng2009-08-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78453 91177308-0d34-0410-b5e6-96231b3b80d8
* make printInstruction return void since its result is omitted. Make the Chris Lattner2009-08-0813-14/+14
| | | | | | | error condition get trapped with an assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78449 91177308-0d34-0410-b5e6-96231b3b80d8
* don't check the result of printInstruction anymore.Chris Lattner2009-08-085-19/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78444 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not generate 32-bit call on win64 when imm does not fitAnton Korobeynikov2009-08-071-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78443 91177308-0d34-0410-b5e6-96231b3b80d8
* Make NEON single-precision FP support the default for cortex-a8 (again).David Goodwin2009-08-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78430 91177308-0d34-0410-b5e6-96231b3b80d8
* remove a bunch of now-dead crud from the asmprinter and TAI interfaces.Chris Lattner2009-08-071-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78428 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak the stuffAnton Korobeynikov2009-08-071-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78425 91177308-0d34-0410-b5e6-96231b3b80d8
* avoid this libcall with long inline expansionAndrew Lenharth2009-08-071-1/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78420 91177308-0d34-0410-b5e6-96231b3b80d8
* 2 more vdup.32 casesAnton Korobeynikov2009-08-072-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78419 91177308-0d34-0410-b5e6-96231b3b80d8
* A big oops. Thumb1 default CC is a def of CPSR, not a use of CPSR.Evan Cheng2009-08-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78418 91177308-0d34-0410-b5e6-96231b3b80d8
* Reformatting of lines. Put multiple DEBUG statements under one DEBUG statement.Bill Wendling2009-08-071-45/+78
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78411 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb2 32-bit ldm / stm needs .w suffix if submode is ia.Evan Cheng2009-08-072-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78410 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmMatcher: Tweaks in response to feedback.Daniel Dunbar2009-08-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78404 91177308-0d34-0410-b5e6-96231b3b80d8
* This is done.Evan Cheng2009-08-071-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78399 91177308-0d34-0410-b5e6-96231b3b80d8
* Use 16-bit tMOVgpr2gpr instead of tMOVr to copy GPR registers in Thumb2 mode.Evan Cheng2009-08-072-8/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78398 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix support to use NEON for single precision fp math.Evan Cheng2009-08-072-46/+90
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78397 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor fixes to avoid using invalid debugloc.Sanjiv Gupta2009-08-071-5/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78383 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify code and avoid allocations.Benjamin Kramer2009-08-071-10/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78382 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve disabling of X86 AsmMatcher.Daniel Dunbar2009-08-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78381 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable X86 AsmMatcher for now, it is causing gcc-4.0 to run out of memory onDaniel Dunbar2009-08-071-0/+19
| | | | | | | | 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
* llvm-mc/AsmMatcher: Move to a slightly more sane matching design.Daniel Dunbar2009-08-071-139/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - 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
* Error out, rather than infinite looping, if constant island pass can't converge.Evan Cheng2009-08-071-4/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78377 91177308-0d34-0410-b5e6-96231b3b80d8
* tBfar is bl, which clobbers LR.Evan Cheng2009-08-072-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78370 91177308-0d34-0410-b5e6-96231b3b80d8
* Run memsel inserter just before emit assembly to avoid tinkering by other ↵Sanjiv Gupta2009-08-072-2/+2
| | | | | | passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78369 91177308-0d34-0410-b5e6-96231b3b80d8
* These should be expandedAndrew Lenharth2009-08-071-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78365 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bunch of namespace pollution.Dan Gohman2009-08-073-4/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8
* It turns out most of the thumb2 instructions are not allowed to touch SP. ↵Evan Cheng2009-08-0710-70/+346
| | | | | | | | | | | 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
* Output the new StructType constructor, which takes the context of theNicolas Geoffray2009-08-061-0/+1
| | | | | | | | module as first argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78340 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DebugInfoFinderDevang Patel2009-08-061-15/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78334 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement Neon VST[234] operations.Bob Wilson2009-08-065-31/+176
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78330 91177308-0d34-0410-b5e6-96231b3b80d8
* Add parameter to pattern classes to enable an itinerary to be specified for ↵David Goodwin2009-08-066-819/+926
| | | | | | 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
* Fix several fixmes and clean up code by sinking *all* sectionChris Lattner2009-08-063-39/+48
| | | | | | | | | | | | | | | | | | 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
* go through PIC16TargetObjectFile to make sections instead of Chris Lattner2009-08-064-12/+26
| | | | | | | creating them directly in the pic16 asmprinter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78317 91177308-0d34-0410-b5e6-96231b3b80d8
* We need to sext global addresses in kernel code model, not zextAnton Korobeynikov2009-08-062-11/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78299 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in x86's PreprocessForRMW logic that was exposedDan Gohman2009-08-061-3/+5
| | | | | | | | | 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
* Missed part of recent kernel codemodel tweaksAnton Korobeynikov2009-08-061-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78293 91177308-0d34-0410-b5e6-96231b3b80d8
* Neon does not actually have VLD{234}.64 instructions.Bob Wilson2009-08-063-9/+0
| | | | | | | 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
* Add a new pre-allocation pass to assign adjacent registers for Neon instructionsBob Wilson2009-08-054-1/+142
| | | | | | | | | | 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
* Better handle kernel code model. Also, generalize the things and fix oneAnton Korobeynikov2009-08-053-34/+81
| | | | | | subtle bug with small code model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78255 91177308-0d34-0410-b5e6-96231b3b80d8
* Use GR32 for copies between GR32_NOSP and GR32_NOREX, as neitherDan Gohman2009-08-051-3/+11
| | | | | | | 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
* When using NEON for single-precision FP, the NEON result must be placed in ↵David Goodwin2009-08-053-21/+41
| | | | | | 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
* remove the 'DataSectionStartSuffix' and 'TextSectionStartSuffix' knobs.Chris Lattner2009-08-052-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78242 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundand checks: the only way to have, e.g. f32 RegVT is exactlyAnton Korobeynikov2009-08-051-11/+7
| | | | | | hardfloat case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78237 91177308-0d34-0410-b5e6-96231b3b80d8
* hasSuperClass tests for a strict superset relation, rather thanDan Gohman2009-08-051-2/+2
| | | | | | | | 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
* Unbreak the stuff, this is ugly, but we cannot do better for now with ↵Anton Korobeynikov2009-08-051-5/+4
| | | | | | 'plain' C calling conv. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78232 91177308-0d34-0410-b5e6-96231b3b80d8
* Missed pieces for ARM HardFP ABI.Anton Korobeynikov2009-08-054-24/+41
| | | | | | Patch by Sandeep Patel! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78225 91177308-0d34-0410-b5e6-96231b3b80d8
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