Jakob Stoklund Olesen b712ef9569 Allocate SystemZ callee-saved registers backwards: R13-R6 ...

The reserved R14-R15 are always saved in the prolog, and using CSRs
starting from R13 allows them to be saved in one instruction.

Thanks to Anton for explaining this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133233 91177308-0d34-0410-b5e6-96231b3b80d8

2011-06-17 03:47:30 +00:00

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TargetInfo

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CMakeLists.txt

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Makefile

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SystemZ.h

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SystemZ.td

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SystemZAsmPrinter.cpp

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SystemZCallingConv.td

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SystemZFrameLowering.cpp

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SystemZFrameLowering.h

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SystemZInstrBuilder.h

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SystemZInstrFormats.td

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SystemZInstrFP.td

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SystemZInstrInfo.cpp

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SystemZInstrInfo.h

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SystemZInstrInfo.td

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SystemZISelDAGToDAG.cpp

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SystemZISelLowering.cpp

Add a parameter to CCState so that it can access the MachineFunction.

2011-06-08 23:55:35 +00:00

SystemZISelLowering.h

Make the logic for determining function alignment more explicit. No functionality change.

2011-05-06 20:34:06 +00:00

SystemZMachineFunctionInfo.h

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SystemZMCAsmInfo.cpp

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SystemZMCAsmInfo.h

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SystemZOperands.td

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SystemZRegisterInfo.cpp

Remove custom allocation orders in SystemZ.

2011-06-15 18:02:56 +00:00

SystemZRegisterInfo.h

Use the dwarf->llvm mapping to print register names in the cfi

2011-05-30 20:20:15 +00:00

SystemZRegisterInfo.td

Allocate SystemZ callee-saved registers backwards: R13-R6

2011-06-17 03:47:30 +00:00

SystemZSelectionDAGInfo.cpp

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SystemZSelectionDAGInfo.h

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SystemZSubtarget.cpp

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SystemZSubtarget.h

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SystemZTargetMachine.cpp

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SystemZTargetMachine.h

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