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a3dc3f692c
llvm-6502/lib/CodeGen/SelectionDAG
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Chris Lattner a3dc3f692c Pull and through and/or/xor. This compiles some bitfield code to: 
mov EAX, DWORD PTR [ESP + 4]
        mov ECX, DWORD PTR [EAX]
        mov EDX, ECX
        add EDX, EDX
        or EDX, ECX
        and EDX, -2147483648
        and ECX, 2147483647
        or EDX, ECX
        mov DWORD PTR [EAX], EDX
        ret

instead of:

        sub ESP, 4
        mov DWORD PTR [ESP], ESI
        mov EAX, DWORD PTR [ESP + 8]
        mov ECX, DWORD PTR [EAX]
        mov EDX, ECX
        add EDX, EDX
        mov ESI, ECX
        and ESI, -2147483648
        and EDX, -2147483648
        or EDX, ESI
        and ECX, 2147483647
        or EDX, ECX
        mov DWORD PTR [EAX], EDX
        mov ESI, DWORD PTR [ESP]
        add ESP, 4
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28122 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 06:10:43 +00:00
..
DAGCombiner.cpp Pull and through and/or/xor. This compiles some bitfield code to: 2006-05-05 06:10:43 +00:00
LegalizeDAG.cpp Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 2006-05-03 01:29:57 +00:00
Makefile
ScheduleDAG.cpp Remove and simplify some more machineinstr/machineoperand stuff. 2006-05-04 18:16:01 +00:00
ScheduleDAGList.cpp Fix VC++ compilation error. 2006-05-05 01:47:05 +00:00
ScheduleDAGSimple.cpp Move simple-selector-specific types to the simple selector. 2006-03-10 07:51:18 +00:00
SelectionDAG.cpp Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll and 2006-04-27 05:01:07 +00:00
SelectionDAGISel.cpp Sink noop copies into the basic block that uses them. This reduces the number 2006-05-05 01:04:50 +00:00
SelectionDAGPrinter.cpp
TargetLowering.cpp Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 2006-05-03 01:29:57 +00:00