lib/Target/Lanai/MCTargetDesc/LanaiBaseInfo.h

   1 //===-- LanaiBaseInfo.h - Top level definitions for Lanai MC ----*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file contains small standalone helper functions and enum definitions for
  10 // the Lanai target useful for the compiler back-end and the MC libraries.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIBASEINFO_H
  15 #define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIBASEINFO_H
  16
  17 #include "LanaiMCTargetDesc.h"
  18 #include "llvm/MC/MCExpr.h"
  19 #include "llvm/Support/DataTypes.h"
  20 #include "llvm/Support/ErrorHandling.h"
  21
  22 namespace llvm {
  23
  24 // LanaiII - This namespace holds all of the target specific flags that
  25 // instruction info tracks.
  26 namespace LanaiII {
  27 // Target Operand Flag enum.
  28 enum TOF {
  29   //===------------------------------------------------------------------===//
  30   // Lanai Specific MachineOperand flags.
  31   MO_NO_FLAG,
  32
  33   // MO_ABS_HI/LO - Represents the hi or low part of an absolute symbol
  34   // address.
  35   MO_ABS_HI,
  36   MO_ABS_LO,
  37 };
  38 } // namespace LanaiII
  39
  40 static inline unsigned getLanaiRegisterNumbering(unsigned Reg) {
  41   switch (Reg) {
  42   case Lanai::R0:
  43     return 0;
  44   case Lanai::R1:
  45     return 1;
  46   case Lanai::R2:
  47   case Lanai::PC:
  48     return 2;
  49   case Lanai::R3:
  50     return 3;
  51   case Lanai::R4:
  52   case Lanai::SP:
  53     return 4;
  54   case Lanai::R5:
  55   case Lanai::FP:
  56     return 5;
  57   case Lanai::R6:
  58     return 6;
  59   case Lanai::R7:
  60     return 7;
  61   case Lanai::R8:
  62   case Lanai::RV:
  63     return 8;
  64   case Lanai::R9:
  65     return 9;
  66   case Lanai::R10:
  67   case Lanai::RR1:
  68     return 10;
  69   case Lanai::R11:
  70   case Lanai::RR2:
  71     return 11;
  72   case Lanai::R12:
  73     return 12;
  74   case Lanai::R13:
  75     return 13;
  76   case Lanai::R14:
  77     return 14;
  78   case Lanai::R15:
  79   case Lanai::RCA:
  80     return 15;
  81   case Lanai::R16:
  82     return 16;
  83   case Lanai::R17:
  84     return 17;
  85   case Lanai::R18:
  86     return 18;
  87   case Lanai::R19:
  88     return 19;
  89   case Lanai::R20:
  90     return 20;
  91   case Lanai::R21:
  92     return 21;
  93   case Lanai::R22:
  94     return 22;
  95   case Lanai::R23:
  96     return 23;
  97   case Lanai::R24:
  98     return 24;
  99   case Lanai::R25:
 100     return 25;
 101   case Lanai::R26:
 102     return 26;
 103   case Lanai::R27:
 104     return 27;
 105   case Lanai::R28:
 106     return 28;
 107   case Lanai::R29:
 108     return 29;
 109   case Lanai::R30:
 110     return 30;
 111   case Lanai::R31:
 112     return 31;
 113   default:
 114     llvm_unreachable("Unknown register number!");
 115   }
 116 }
 117 } // namespace llvm
 118 #endif // LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIBASEINFO_H