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llvm-6502/include/llvm/CodeGen
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Peter Collingbourne d8ae3e1fee x86_64: Fix calls to __morestack under the large code model. 
Under the large code model, we cannot assume that __morestack lives within
2^31 bytes of the call site, so we cannot use pc-relative addressing. We
cannot perform the call via a temporary register, as the rax register may
be used to store the static chain, and all other suitable registers may be
either callee-save or used for parameter passing. We cannot use the stack
at this point either because __morestack manipulates the stack directly.

To avoid these issues, perform an indirect call via a read-only memory
location containing the address.

This solution is not perfect, as it assumes that the .rodata section
is laid out within 2^31 bytes of each function body, but this seems to
be sufficient for JIT.

Differential Revision: http://reviews.llvm.org/D6787

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225003 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-30 20:05:19 +00:00
..
PBQP [PBQP] Unique allowed-sets for nodes in the PBQP graph and use pairs of these 2014-10-27 17:44:25 +00:00
Analysis.h Allow the use of functions as typeinfo in landingpad clauses 2014-11-14 00:35:50 +00:00
AsmPrinter.h [mips] Set GCC-compatible MIPS asssembler options before inline asm blocks. 2014-12-17 10:56:16 +00:00
CalcSpillWeights.h [PBQP] Tweak spill costs and coalescing benefits 2014-11-04 20:51:24 +00:00
CallingConvLower.h Make musttail more robust for vector types on x86 2014-12-22 23:58:37 +00:00
CommandFlags.h Add a new string member to the TargetOptions struct for the name 2014-12-18 02:20:58 +00:00
DAGCombine.h
DFAPacketizer.h Remove the TargetMachine from DFAPacketizer since it was only 2014-10-14 01:03:16 +00:00
EdgeBundles.h
FastISel.h [FastISel][AArch64] Add lowering support for frem. 2014-09-15 22:07:49 +00:00
ForwardControlFlowIntegrity.h Remove redundant virtual on overriden functions. 2014-11-14 19:06:36 +00:00
FunctionLoweringInfo.h CodeGen: do not attempt to invalidate virtual registers for zero-sized phis. 2014-12-19 20:50:07 +00:00
GCMetadata.h GCStrategy should not own GCFunctionInfo 2014-12-11 01:47:23 +00:00
GCMetadataPrinter.h GCStrategy should not own GCFunctionInfo 2014-12-11 01:47:23 +00:00
GCs.h
GCStrategy.h Comment and minor code cleanup for GCStrategy (NFC) 2014-12-12 00:49:03 +00:00
IntrinsicLowering.h
ISDOpcodes.h Masked Load / Store Intrinsics - the CodeGen part. 2014-12-04 09:40:44 +00:00
JumpInstrTables.h Add Forward Control-Flow Integrity. 2014-11-11 21:08:02 +00:00
LatencyPriorityQueue.h
LexicalScopes.h IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
LinkAllAsmWriterComponents.h
LinkAllCodegenComponents.h
LiveInterval.h LiveInterval: Introduce createMainRangeFromSubranges(). 2014-12-24 02:11:51 +00:00
LiveIntervalAnalysis.h LiveIntervalAnalysis: Cleanup computeDeadValues 2014-12-18 19:58:52 +00:00
LiveIntervalUnion.h LiveIntervalUnion: Allow specification of liverange when unifying/extracting. 2014-12-10 01:12:59 +00:00
LivePhysRegs.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
LiveRangeEdit.h Remove unnecessary getTarget call now that the subtarget is cached 2014-09-03 20:36:26 +00:00
LiveRegMatrix.h
LiveStackAnalysis.h
LiveVariables.h CodeGen/LiveVariables: hoist out code in nested loops 2014-08-25 01:59:49 +00:00
MachineBasicBlock.h CodeGen: assert an instruction is being inserted with the correct iterator. 2014-11-14 00:34:59 +00:00
MachineBlockFrequencyInfo.h
MachineBranchProbabilityInfo.h
MachineCombinerPattern.h MachineCombiner Pass for selecting faster instruction 2014-08-03 21:35:39 +00:00
MachineConstantPool.h CodeGen: Add a getSectionKind method to MachineConstantPoolEntry 2014-07-14 22:06:29 +00:00
MachineDominanceFrontier.h Try to fix MSVC build 2014-07-12 23:09:02 +00:00
MachineDominators.h Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool> 2014-11-19 07:49:26 +00:00
MachineFrameInfo.h Replace calls to get the subtarget and TargetFrameLowering with 2014-10-08 08:46:34 +00:00
MachineFunction.h Remove unused member variable. 2014-10-14 18:53:16 +00:00
MachineFunctionAnalysis.h
MachineFunctionPass.h
MachineInstr.h IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
MachineInstrBuilder.h Work around bugs in MSVC "14" CTP 3's conversion logic 2014-10-31 23:19:46 +00:00
MachineInstrBundle.h
MachineJumpTableInfo.h
MachineLoopInfo.h
MachineMemOperand.h AA metadata refactoring (introduce AAMDNodes) 2014-07-24 12:16:19 +00:00
MachineModuleInfo.h x86_64: Fix calls to __morestack under the large code model. 2014-12-30 20:05:19 +00:00
MachineModuleInfoImpls.h
MachineOperand.h Add MachineOperand::ChangeToFPImmediate and setFPImm 2014-09-28 19:24:59 +00:00
MachinePassRegistry.h
MachinePostDominators.h Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
MachineRegionInfo.h Templatify RegionInfo so it works on MachineBasicBlocks 2014-07-19 18:29:29 +00:00
MachineRegisterInfo.h Add a flag to enable/disable subregister liveness. 2014-12-10 01:12:30 +00:00
MachineScheduler.h Cleanup: Delete seemingly unused reference to MachineDominatorTree from ScheduleDAGInstrs. 2014-08-20 20:57:26 +00:00
MachineSSAUpdater.h
MachineTraceMetrics.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
MachineValueType.h Teach the AArch64 backend about v4f16 and v8f16 2014-08-27 16:16:04 +00:00
MachORelocation.h
Passes.h [CodeGen] Add print and verify pass after each MachineFunctionPass by default 2014-12-11 21:26:47 +00:00
PBQPRAConstraint.h Remove redundant virtual on overriden functions. 2014-11-14 19:06:36 +00:00
PseudoSourceValue.h
RegAllocPBQP.h Fix UBSan bootstrap: don't bind reference to nullptr. 2014-12-23 04:15:47 +00:00
RegAllocRegistry.h
RegisterClassInfo.h
RegisterPressure.h
RegisterScavenging.h Changed the liveness tracking in the RegisterScavenger 2014-08-04 23:07:49 +00:00
ResourcePriorityQueue.h
RuntimeLibcalls.h Add minnum / maxnum codegen 2014-10-21 23:01:01 +00:00
ScheduleDAG.h
ScheduleDAGInstrs.h Cleanup: Delete seemingly unused reference to MachineDominatorTree from ScheduleDAGInstrs. 2014-08-20 20:57:26 +00:00
ScheduleDFS.h
ScheduleHazardRecognizer.h
SchedulerRegistry.h
ScoreboardHazardRecognizer.h
SelectionDAG.h Masked Load / Store Intrinsics - the CodeGen part. 2014-12-04 09:40:44 +00:00
SelectionDAGISel.h Cache TargetLowering on SelectionDAGISel and update previous 2014-10-08 07:32:17 +00:00
SelectionDAGNodes.h Silence more static analyzer warnings. 2014-12-15 18:48:43 +00:00
SlotIndexes.h
StackMapLivenessAnalysis.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
StackMaps.h [Statepoints 2/4] Statepoint infrastructure for garbage collection: MI & x86-64 Backend 2014-12-01 22:52:56 +00:00
StackProtector.h
TargetLoweringObjectFileImpl.h Refactor duplicated code. 2014-12-29 15:18:31 +00:00
TargetSchedule.h Change MCSchedModel to be a struct of statically initialized data. 2014-09-02 17:43:54 +00:00
ValueTypes.h
ValueTypes.td
VirtRegMap.h