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llvm-6502/lib/Target/SystemZ
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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
..
TargetInfo
CMakeLists.txt Use explicit add_subdirectory's for LLVM target sublibraries instead 2011-02-20 02:55:27 +00:00
Makefile
SystemZ.h
SystemZ.td
SystemZAsmPrinter.cpp Fix imm printing for logical instructions. 2011-02-01 20:22:53 +00:00
SystemZCallingConv.td
SystemZFrameLowering.cpp Teach frame lowering to ignore debug values after the terminators. 2011-01-13 21:28:52 +00:00
SystemZFrameLowering.h Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 2011-01-10 12:39:04 +00:00
SystemZInstrBuilder.h
SystemZInstrFormats.td
SystemZInstrFP.td
SystemZInstrInfo.cpp
SystemZInstrInfo.h
SystemZInstrInfo.td Fix imm printing for logical instructions. 2011-02-01 20:22:53 +00:00
SystemZISelDAGToDAG.cpp
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
SystemZMCAsmInfo.cpp Remove duplicated code. 2011-01-23 04:28:49 +00:00
SystemZMCAsmInfo.h
SystemZOperands.td Fix imm printing for logical instructions. 2011-02-01 20:22:53 +00:00
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
SystemZSelectionDAGInfo.h
SystemZSubtarget.cpp
SystemZSubtarget.h
SystemZTargetMachine.cpp Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 2011-01-10 12:39:04 +00:00
SystemZTargetMachine.h Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 2011-01-10 12:39:04 +00:00