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usr / src / contrib / llvm-project / llvm / lib / Target / BPF /

📁 ..
📁 AsmParser
📄 BPF.h(1.33 KB)
📄 BPF.td(1.63 KB)
📄 BPFAbstractMemberAccess.cpp(33.35 KB)
📄 BPFAsmPrinter.cpp(5.11 KB)
📄 BPFCORE.h(1.16 KB)
📄 BPFCallingConv.td(1.79 KB)
📄 BPFFrameLowering.cpp(1.49 KB)
📄 BPFFrameLowering.h(1.46 KB)
📄 BPFISelDAGToDAG.cpp(16.73 KB)
📄 BPFISelLowering.cpp(28.04 KB)
📄 BPFISelLowering.h(5.33 KB)
📄 BPFInstrFormats.td(2.81 KB)
📄 BPFInstrInfo.cpp(8.23 KB)
📄 BPFInstrInfo.h(2.43 KB)
📄 BPFInstrInfo.td(30.55 KB)
📄 BPFMCInstLower.cpp(2.62 KB)
📄 BPFMCInstLower.h(1.17 KB)
📄 BPFMIChecking.cpp(6.54 KB)
📄 BPFMIPeephole.cpp(15.45 KB)
📄 BPFMISimplifyPatchable.cpp(10.86 KB)
📄 BPFPreserveDIType.cpp(3.93 KB)
📄 BPFRegisterInfo.cpp(3.96 KB)
📄 BPFRegisterInfo.h(1.23 KB)
📄 BPFRegisterInfo.td(1.51 KB)
📄 BPFSelectionDAGInfo.cpp(1.63 KB)
📄 BPFSelectionDAGInfo.h(1.24 KB)
📄 BPFSubtarget.cpp(1.84 KB)
📄 BPFSubtarget.h(2.83 KB)
📄 BPFTargetMachine.cpp(4.43 KB)
📄 BPFTargetMachine.h(1.41 KB)
📄 BTF.def(1015 B)
📄 BTF.h(8.27 KB)
📄 BTFDebug.cpp(41.2 KB)
📄 BTFDebug.h(11.66 KB)
📁 Disassembler
📁 MCTargetDesc
📁 TargetInfo

Editing: BPFRegisterInfo.td

//===-- BPFRegisterInfo.td - BPF Register defs -------------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
//  Declarations that describe the BPF register file
//===----------------------------------------------------------------------===//

let Namespace = "BPF" in {
  def sub_32 : SubRegIndex<32>;
}

class Wi<bits<16> Enc, string n> : Register<n> {
  let HWEncoding = Enc;
  let Namespace = "BPF";
}

// Registers are identified with 4-bit ID numbers.
// Ri - 64-bit integer registers
class Ri<bits<16> Enc, string n, list<Register> subregs>
  : RegisterWithSubRegs<n, subregs> {
  let HWEncoding = Enc;
  let Namespace = "BPF";
  let SubRegIndices = [sub_32];
}

foreach I = 0-11 in {
  // 32-bit Integer (alias to low part of 64-bit register).
  def W#I  : Wi<I,  "w"#I>,  DwarfRegNum<[I]>;
  // 64-bit Integer registers
  def R#I  : Ri<I,  "r"#I,  [!cast<Wi>("W"#I)]>,  DwarfRegNum<[I]>;
}

// Register classes.
def GPR32 : RegisterClass<"BPF", [i32], 32, (add
  (sequence "W%u", 1, 9),
  W0, // Return value
  W11, // Stack Ptr
  W10  // Frame Ptr
)>;

def GPR : RegisterClass<"BPF", [i64], 64, (add
  (sequence "R%u", 1, 9),
  R0, // Return value
  R11, // Stack Ptr
  R10  // Frame Ptr
)>;

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Editing: BPFRegisterInfo.td

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