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llvm-6502/lib/Target/XCore
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Hal Finkel dc3beb9017 Allow the register scavenger to spill multiple registers 
This patch lets the register scavenger make use of multiple spill slots in
order to guarantee that it will be able to provide multiple registers
simultaneously.

To support this, the RS's API has changed slightly: setScavengingFrameIndex /
getScavengingFrameIndex have been replaced by addScavengingFrameIndex /
isScavengingFrameIndex / getScavengingFrameIndices.

In forthcoming commits, the PowerPC backend will use this capability in order
to implement the spilling of condition registers, and some special-purpose
registers, without relying on r0 being reserved. In some cases, spilling these
registers requires two GPRs: one for addressing and one to hold the value being
transferred.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177774 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22 23:32:27 +00:00
..
Disassembler [XCore] Add missing 2r instructions. 2013-02-17 22:38:05 +00:00
InstPrinter Simplify assertion in XCoreInstPrinter. 2012-12-17 12:13:46 +00:00
MCTargetDesc Resort the #include lines in include/... and lib/... with the 2013-01-02 10:22:59 +00:00
TargetInfo Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile
README.txt
XCore.h
XCore.td
XCoreAsmPrinter.cpp Last in the series of removing unnecessary '0' arguments for 2013-01-09 03:52:05 +00:00
XCoreCallingConv.td
XCoreFrameLowering.cpp Allow the register scavenger to spill multiple registers 2013-03-22 23:32:27 +00:00
XCoreFrameLowering.h Move the eliminateCallFramePseudoInstr method from TargetRegisterInfo 2013-02-21 20:05:00 +00:00
XCoreInstrFormats.td [XCore] Add missing 2r instructions. 2013-02-17 22:38:05 +00:00
XCoreInstrInfo.cpp
XCoreInstrInfo.h
XCoreInstrInfo.td [XCore] Add missing 2r instructions. 2013-02-17 22:38:05 +00:00
XCoreISelDAGToDAG.cpp Fix order of operands for crc8_l4r 2013-01-25 21:20:28 +00:00
XCoreISelLowering.cpp DAGCombiner: Use correct value type for checking legality of BR_CC v3 2013-03-08 15:36:57 +00:00
XCoreISelLowering.h Fix PR10475 2013-03-01 18:40:30 +00:00
XCoreMachineFunctionInfo.cpp
XCoreMachineFunctionInfo.h
XCoreMCInstLower.cpp
XCoreMCInstLower.h
XCoreRegisterInfo.cpp Move the eliminateCallFramePseudoInstr method from TargetRegisterInfo 2013-02-21 20:05:00 +00:00
XCoreRegisterInfo.h Move the eliminateCallFramePseudoInstr method from TargetRegisterInfo 2013-02-21 20:05:00 +00:00
XCoreRegisterInfo.td
XCoreSelectionDAGInfo.cpp
XCoreSelectionDAGInfo.h
XCoreSubtarget.cpp
XCoreSubtarget.h
XCoreTargetMachine.cpp Switch TargetTransformInfo from an immutable analysis pass that requires 2013-01-07 01:37:14 +00:00
XCoreTargetMachine.h Switch TargetTransformInfo from an immutable analysis pass that requires 2013-01-07 01:37:14 +00:00
XCoreTargetObjectFile.cpp
XCoreTargetObjectFile.h

README.txt 

To-do
-----

* Instruction encodings
* Tailcalls
* Investigate loop alignment
* Add builtins