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

[Chris Lattner]

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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