Chris Lattner 1c2a9b95dc Fold (x & 8) != 0 and (x & 8) == 8 into (x & 8) >> 3. ...

This turns this PPC code:

        rlwinm r2, r3, 0, 28, 28
        cmpwi cr7, r2, 8
        mfcr r2
        rlwinm r3, r2, 31, 31, 31

into this:

        rlwinm r2, r3, 0, 28, 28
        srwi r2, r2, 3
        rlwinm r3, r2, 0, 31, 31

Next up, nuking the extra and.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21390 91177308-0d34-0410-b5e6-96231b3b80d8

2005-04-21 06:12:41 +00:00

..

SelectionDAG

Fold (x & 8) != 0 and (x & 8) == 8 into (x & 8) >> 3.

2005-04-21 06:12:41 +00:00

AsmPrinter.cpp

add support for prefix/suffix strings to go around GlobalValue(s)

2005-04-02 12:21:51 +00:00

BranchFolding.cpp

…

IntrinsicLowering.cpp

First step in adding pcmarker intrinsic. Second step (soon) is adding backend support.

2005-03-28 20:05:49 +00:00

LiveInterval.cpp

Prevent accessing past the end of the intervals vector, this fixes

2004-12-04 01:22:09 +00:00

LiveInterval.h

…

LiveIntervalAnalysis.cpp

there is no need to remove this instruction, linscan does it already as it

2005-04-09 16:24:20 +00:00

LiveIntervalAnalysis.h

Allow the live interval analysis pass to be a bit more aggressive about

2005-03-09 23:05:19 +00:00

LiveVariables.cpp

Consider the livein/out set for a function, allowing targets to not have to

2005-04-09 15:23:25 +00:00

MachineBasicBlock.cpp

print the machine CFG in the -print-machineinstrs dump

2005-04-01 06:48:38 +00:00

MachineCodeEmitter.cpp

Fix the FIXME, nuke the JIT specific forceCompilationOf method.

2004-11-22 21:54:35 +00:00

MachineFunction.cpp

Improve conformance with the Misha spelling benchmark suite

2005-01-30 00:09:23 +00:00

MachineInstr.cpp

…

Makefile

…

Passes.cpp

…

PHIElimination.cpp

…

PhysRegTracker.h

…

PrologEpilogInserter.cpp

Simplify/speedup the PEI by not having to scan for uses of the callee saved

2005-01-23 23:13:12 +00:00

RegAllocIterativeScan.cpp

Update these register allocators to set the PhysRegUsed info in MachineFunction.

2005-01-23 22:45:13 +00:00

RegAllocLinearScan.cpp

Update these register allocators to set the PhysRegUsed info in MachineFunction.

2005-01-23 22:45:13 +00:00

RegAllocLocal.cpp

Update this pass to set PhysRegsUsed info in MachineFunction.

2005-01-23 22:51:56 +00:00

RegAllocSimple.cpp

Update physregsused info.

2005-01-23 22:55:45 +00:00

TwoAddressInstructionPass.cpp

Use the TargetInstrInfo::commuteInstruction method to commute instructions

2005-01-19 07:08:42 +00:00

UnreachableBlockElim.cpp

Fix the missing symbols problem Bill was hitting. Patch contributed by

2005-03-17 15:38:16 +00:00

VirtRegMap.cpp

Make sure to notice that explicit physregs are used in the function

2005-04-04 21:35:34 +00:00

VirtRegMap.h

…