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* Initial implementation of MipsTargetLowering::isLegalAddressingMode.Akira Hatanaka2012-11-172-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168230 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Fix delay slot filler so that instructions with register operand $1 areAkira Hatanaka2012-11-161-17/+34
| | | | | | | allowed in branch delay slot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168131 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Add predicate HasFPIdx for floating-point indexed load instructionAkira Hatanaka2012-11-156-11/+16
| | | | | | | | support and use it in place of HasMips32r2Or64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168089 91177308-0d34-0410-b5e6-96231b3b80d8
* Add assertions in MipsLongBranch which check the size of basic blocks.Akira Hatanaka2012-11-151-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168078 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Custom-lower ISD::FRAME_TO_ARGS_OFFSET node.Akira Hatanaka2012-11-072-0/+27
| | | | | | | Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167548 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete MipsFunctionInfo::NextStackOffset. No functionality change intended. Akira Hatanaka2012-11-072-10/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167546 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Set flag neverHasSideEffects flag on floating point conversionAkira Hatanaka2012-11-032-6/+11
| | | | | | | | instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Set flag isAsCheapAsAMove flag on instruction LUi.Akira Hatanaka2012-11-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167345 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Stop reserving register AT and use register scavenger when a scratchAkira Hatanaka2012-11-035-13/+47
| | | | | | | | register is needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167341 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Do not reserve all 64-bit registers, but only the ones which need to beAkira Hatanaka2012-11-021-8/+4
| | | | | | | | | | reserved. Without this fix, RegScavenger::getRegsAvailable incorrectly returns an empty set of integer registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167335 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Use register number instead of name to print register $AT.Akira Hatanaka2012-11-021-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167315 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Add function MipsFrameLowering::estimateStackSize.Akira Hatanaka2012-11-022-0/+37
| | | | | | | | | This function estimates stack size and will be called before PrologEpilogInserter scans the callee-saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167313 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Add member field MipsFunctionInfo::IncomingArgSize which holds the sizeAkira Hatanaka2012-11-022-0/+7
| | | | | | | | of the incoming argument area. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167312 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Delete MipsFunctionInfo::EmitNOAT. Unconditionally print directiveAkira Hatanaka2012-11-025-16/+3
| | | | | | | | | "set .noat" so that the assembler doesn't issue warnings when register $AT is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167310 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Set isAsCheapAsAMove flag on ADDiu and DADDiu, which enablesAkira Hatanaka2012-10-312-2/+7
| | | | | | | | re-materialization of immediate loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167153 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement ADJCALLSTACKUP and ADJCALLSTACKDOWNReed Kotler2012-10-316-9/+67
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167107 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Allow tail-call optimization for vararg functions and functions whichAkira Hatanaka2012-10-302-15/+20
| | | | | | | | use the caller's stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167048 91177308-0d34-0410-b5e6-96231b3b80d8
* Add code for saving formal argument information to MipsFunctionInfo. ThisAkira Hatanaka2012-10-302-0/+13
| | | | | | | | | information will be used by IsEligibleForTailCallOptimization to determine whether a call can be tail-call optimized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167043 91177308-0d34-0410-b5e6-96231b3b80d8
* Add definition of function MipsTargetLowering::passArgOnStack which emits nodesAkira Hatanaka2012-10-302-0/+22
| | | | | | | | for passing a function call argument on a stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167041 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not do tail-call optimization if target is mips16.Akira Hatanaka2012-10-301-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167039 91177308-0d34-0410-b5e6-96231b3b80d8
* Change mips16 delay slot jumps to non delay slot forms by default.Reed Kotler2012-10-302-3/+10
| | | | | | | | | | We will make them delay slot forms if there is something that can be placed in the delay slot during a separate pass. Mips16 extended instructions cannot be placed in delay slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166990 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement patterns for extloadi8 and extloadi16Reed Kotler2012-10-291-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166960 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand all atomic ops for mips16.Reed Kotler2012-10-291-2/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166935 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement brind operator for mips16.Reed Kotler2012-10-281-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166903 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove TargetELFWriterInfo.Rafael Espindola2012-10-285-158/+1
| | | | | | All the credit goes to Jan Voung for noticing it was dead! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166902 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch is for the implementation of mips16 complex pattern addr16.Reed Kotler2012-10-287-48/+276
| | | | | | | | | | | | | | | | | | | | | | | Previously mips16 was sharing the pattern addr which is used for mips32 and mips64. This had a number of problems: 1) Storing and loading byte and halfword quantities for mips16 has particular problems due to the primarily non mips16 nature of SP. When we must load/store byte/halfword stack objects in a function, we must create a mips16 alias register for SP. This functionality is tested in stchar.ll. 2) We need to have an FP register under certain conditions (such as dynamically sized alloca). We use mips16 register S0 for this purpose. In this case, we also use this register when accessing frame objects so this issue also affects the complex pattern addr16. This functionality is tested in alloca16.ll. The Mips16InstrInfo.td has been updated to use addr16 instead of addr. The complex pattern C++ function for addr has been copied to addr16 and updated to reflect the above issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166897 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MipsHi for mips16Reed Kotler2012-10-271-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166852 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Do not tail-call optimize vararg functions or functions with byvalAkira Hatanaka2012-10-272-9/+8
| | | | | | | | | | arguments. This is rather conservative and should be fixed later to be more aggressive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166851 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Make sure FuncArg doesn't advance when OrigArgIndex is the same as in theAkira Hatanaka2012-10-271-1/+4
| | | | | | | | previous iteration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166850 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the methods and classes that were added to simplify LowerCall and Akira Hatanaka2012-10-272-425/+41
| | | | | | | | | | LowerFormalArguments in MipsTargetLowering. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166846 91177308-0d34-0410-b5e6-96231b3b80d8
* Add method MipsTargetLowering::writeVarArgRegs which copies argument registersAkira Hatanaka2012-10-272-0/+51
| | | | | | | | of vararg functions back to the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166844 91177308-0d34-0410-b5e6-96231b3b80d8
* Add method MipsTargetLowering::passByValArg.Akira Hatanaka2012-10-272-0/+105
| | | | | | | | | | This method emits nodes for passing byval arguments in registers and stack. This has the same functionality as existing functions PassByValArg64 and WriteByValArg which will be deleted later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166843 91177308-0d34-0410-b5e6-96231b3b80d8
* Add method MipsTargetLowering::copyByValRegs.Akira Hatanaka2012-10-272-0/+53
| | | | | | | | | | This method copies byval arguments passed in registers onto the stack and has the same functionality as existing functions CopyMips64ByValRegs and ReadByValArg which will be deleted later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166841 91177308-0d34-0410-b5e6-96231b3b80d8
* Add class MipsCC which provides methods used to analyze formal and callAkira Hatanaka2012-10-262-0/+192
| | | | | | | | arguments and inquire about calling convention information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166840 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete MipsFunctionInfo::InArgFIRange. Akira Hatanaka2012-10-262-13/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166837 91177308-0d34-0410-b5e6-96231b3b80d8
* implement mips16 tls global addrReed Kotler2012-10-261-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166827 91177308-0d34-0410-b5e6-96231b3b80d8
* git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166780 ↵Reed Kotler2012-10-261-2/+7
| | | | 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement carry for subtract/add for mips16Reed Kotler2012-10-262-4/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166755 91177308-0d34-0410-b5e6-96231b3b80d8
* implement large (>16 bit) constant loading.Reed Kotler2012-10-261-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166749 91177308-0d34-0410-b5e6-96231b3b80d8
* implement mips16 patterns for select nodesReed Kotler2012-10-251-2/+379
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166721 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for creating AsmRewrites in the target specificChad Rosier2012-10-251-2/+3
| | | | | | AsmParser logic. To be used/tested in a subsequent commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166714 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a basic VectorTargetTransformInfo interface to be used by the loop ↵Nadav Rotem2012-10-242-2/+2
| | | | | | and bb vectorizers for modeling the cost of instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166593 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Make sure sret argument is returned in register V0.Akira Hatanaka2012-10-241-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166539 91177308-0d34-0410-b5e6-96231b3b80d8
* implement setXX patternsReed Kotler2012-10-231-4/+181
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166459 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Use 64-bit registers to return an sret pointer if target ABI is N64.Akira Hatanaka2012-10-191-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166344 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Add code to do tail call optimization.Akira Hatanaka2012-10-192-5/+44
| | | | | | | | | Currently, it is enabled only if option "enable-mips-tail-calls" is given and all of the callee's arguments are passed in registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166342 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Fix TAILCALL's operand node type.Akira Hatanaka2012-10-191-5/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166341 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Delete MipsFunctionInfo::MaxCallFrameSize which is no longer used.Akira Hatanaka2012-10-192-10/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166339 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Add tail call instructions.Akira Hatanaka2012-10-192-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166338 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Make the branch nodes used in jump instructions a template parameter.Akira Hatanaka2012-10-191-10/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166337 91177308-0d34-0410-b5e6-96231b3b80d8
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