[llvm-commits] [llvm] r136375 - /llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
Jim Grosbach
grosbach at apple.com
Thu Jul 28 12:46:12 PDT 2011
Author: grosbach
Date: Thu Jul 28 14:46:12 2011
New Revision: 136375
URL: http://llvm.org/viewvc/llvm-project?rev=136375&view=rev
Log:
Add fixme.
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=136375&r1=136374&r2=136375&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Thu Jul 28 14:46:12 2011
@@ -2862,6 +2862,10 @@
IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
+// FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
+// like in the actual instruction encoding. The complexity of mapping the mask
+// to the lsb/msb pair should be handled by ISel, not encapsulated in the
+// instruction description.
def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"bfc", "\t$Rd, $imm", "$src = $Rd",
@@ -2873,7 +2877,7 @@
let Inst{6-0} = 0b0011111;
let Inst{15-12} = Rd;
let Inst{11-7} = imm{4-0}; // lsb
- let Inst{20-16} = imm{9-5}; // width
+ let Inst{20-16} = imm{9-5}; // msb
}
// A8.6.18 BFI - Bitfield insert (Encoding A1)
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