[llvm-commits] [llvm] r96462 - /llvm/trunk/lib/Target/ARM/ARMInstrInfo.td

[Evan Cheng]

PR5100
On Feb 17, 2010, at 9:45 AM, Chris Lattner wrote:

> 
> On Feb 16, 2010, at 10:31 PM, Johnny Chen wrote:
> 
>> Author: johnny
>> Date: Wed Feb 17 00:31:48 2010
>> New Revision: 96462
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=96462&view=rev
>> Log:
>> Added BFI for disassembly only.
>> 
>> A8.6.18  BFI - Bitfield insert (Encoding A1)
> 
> I'm not sure what this does, but it sounds potentially useful to add a pattern for it.
> 
> -Chris
> 
>> 
>> Modified:
>>   llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
>> 
>> Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=96462&r1=96461&r2=96462&view=diff
>> 
>> ==============================================================================
>> --- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
>> +++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Wed Feb 17 00:31:48 2010
>> @@ -1443,6 +1443,17 @@
>>  let Inst{6-0}   = 0b0011111;
>> }
>> 
>> +// A8.6.18  BFI - Bitfield insert (Encoding A1)
>> +// Added for disassembler with the pattern field purposely left blank.
>> +def BFI    : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
>> +               AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
>> +               "bfi", "\t$dst, $src, $imm", "",
>> +               [/* For disassembly only; pattern left blank */]>,
>> +               Requires<[IsARM, HasV6T2]> {
>> +  let Inst{27-21} = 0b0111110;
>> +  let Inst{6-4}   = 0b001; // Rn: Inst{3-0} != 15
>> +}
>> +
>> def  MVNr  : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
>>                  "mvn", "\t$dst, $src",
>>                  [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
>> 
>> 
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