Chris Lattner 043870dd85 Teach the code generator that rlwimi is commutable if the rotate amount ...

is zero.  This lets the register allocator elide some copies in some cases.

This implements CodeGen/PowerPC/rlwimi-commute.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23292 91177308-0d34-0410-b5e6-96231b3b80d8

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..

Alpha

ignore generated files

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CBackend

1. Use SubtargetFeatures in llc/lli.

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IA64

ignore generated files

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PowerPC

Teach the code generator that rlwimi is commutable if the rotate amount

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Skeleton

1. Use SubtargetFeatures in llc/lli.

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Sparc

ignore generated files

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SparcV8

ignore generated files

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SparcV9

1. Use SubtargetFeatures in llc/lli.

2005-09-01 21:38:21 +00:00

X86

Handle any_extend like zext

2005-09-02 00:16:09 +00:00

Makefile

Implement the --enable-targets= feature of the configure script. The make

2005-04-22 17:20:11 +00:00

MRegisterInfo.cpp

Convert tabs to spaces

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SubtargetFeature.cpp

Print:

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Target.td

spell this right

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TargetData.cpp

Update to use the new MathExtras.h support for log2 computation.

2005-08-02 19:26:06 +00:00

TargetFrameInfo.cpp

Eliminate all remaining tabs and trailing spaces.

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TargetInstrInfo.cpp

Convert tabs to spaces

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TargetMachine.cpp

Remove the X86 and PowerPC Simple instruction selectors; their time has

2005-08-18 23:53:15 +00:00

TargetMachineRegistry.cpp

1. Use SubtargetFeatures in llc/lli.

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TargetSchedInfo.cpp

Convert tabs to spaces

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TargetSubtarget.cpp

Eliminate all remaining tabs and trailing spaces.

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