llvm/lib/Target/Sparc/Sparc.h

   1 //===-- Sparc.h - Top-level interface for Sparc representation --*- 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 the entry points for global functions defined in the LLVM
  10 // Sparc back-end.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_SPARC_SPARC_H
  15 #define LLVM_LIB_TARGET_SPARC_SPARC_H
  16
  17 #include "MCTargetDesc/SparcMCTargetDesc.h"
  18 #include "llvm/Support/ErrorHandling.h"
  19 #include "llvm/Target/TargetMachine.h"
  20
  21 namespace llvm {
  22   class FunctionPass;
  23   class SparcTargetMachine;
  24   class AsmPrinter;
  25   class MCInst;
  26   class MachineInstr;
  27
  28   FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
  29   FunctionPass *createSparcDelaySlotFillerPass();
  30
  31   void LowerSparcMachineInstrToMCInst(const MachineInstr *MI,
  32                                       MCInst &OutMI,
  33                                       AsmPrinter &AP);
  34 } // end namespace llvm;
  35
  36 namespace llvm {
  37   // Enums corresponding to Sparc condition codes, both icc's and fcc's.  These
  38   // values must be kept in sync with the ones in the .td file.
  39   namespace SPCC {
  40     enum CondCodes {
  41       ICC_A   =  8   ,  // Always
  42       ICC_N   =  0   ,  // Never
  43       ICC_NE  =  9   ,  // Not Equal
  44       ICC_E   =  1   ,  // Equal
  45       ICC_G   = 10   ,  // Greater
  46       ICC_LE  =  2   ,  // Less or Equal
  47       ICC_GE  = 11   ,  // Greater or Equal
  48       ICC_L   =  3   ,  // Less
  49       ICC_GU  = 12   ,  // Greater Unsigned
  50       ICC_LEU =  4   ,  // Less or Equal Unsigned
  51       ICC_CC  = 13   ,  // Carry Clear/Great or Equal Unsigned
  52       ICC_CS  =  5   ,  // Carry Set/Less Unsigned
  53       ICC_POS = 14   ,  // Positive
  54       ICC_NEG =  6   ,  // Negative
  55       ICC_VC  = 15   ,  // Overflow Clear
  56       ICC_VS  =  7   ,  // Overflow Set
  57
  58       FCC_A   =  8+16,  // Always
  59       FCC_N   =  0+16,  // Never
  60       FCC_U   =  7+16,  // Unordered
  61       FCC_G   =  6+16,  // Greater
  62       FCC_UG  =  5+16,  // Unordered or Greater
  63       FCC_L   =  4+16,  // Less
  64       FCC_UL  =  3+16,  // Unordered or Less
  65       FCC_LG  =  2+16,  // Less or Greater
  66       FCC_NE  =  1+16,  // Not Equal
  67       FCC_E   =  9+16,  // Equal
  68       FCC_UE  = 10+16,  // Unordered or Equal
  69       FCC_GE  = 11+16,  // Greater or Equal
  70       FCC_UGE = 12+16,  // Unordered or Greater or Equal
  71       FCC_LE  = 13+16,  // Less or Equal
  72       FCC_ULE = 14+16,  // Unordered or Less or Equal
  73       FCC_O   = 15+16,  // Ordered
  74
  75       CPCC_A   =  8+32,  // Always
  76       CPCC_N   =  0+32,  // Never
  77       CPCC_3   =  7+32,
  78       CPCC_2   =  6+32,
  79       CPCC_23  =  5+32,
  80       CPCC_1   =  4+32,
  81       CPCC_13  =  3+32,
  82       CPCC_12  =  2+32,
  83       CPCC_123 =  1+32,
  84       CPCC_0   =  9+32,
  85       CPCC_03  = 10+32,
  86       CPCC_02  = 11+32,
  87       CPCC_023 = 12+32,
  88       CPCC_01  = 13+32,
  89       CPCC_013 = 14+32,
  90       CPCC_012 = 15+32
  91     };
  92   }
  93
  94   inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
  95     switch (CC) {
  96     case SPCC::ICC_A:   return "a";
  97     case SPCC::ICC_N:   return "n";
  98     case SPCC::ICC_NE:  return "ne";
  99     case SPCC::ICC_E:   return "e";
 100     case SPCC::ICC_G:   return "g";
 101     case SPCC::ICC_LE:  return "le";
 102     case SPCC::ICC_GE:  return "ge";
 103     case SPCC::ICC_L:   return "l";
 104     case SPCC::ICC_GU:  return "gu";
 105     case SPCC::ICC_LEU: return "leu";
 106     case SPCC::ICC_CC:  return "cc";
 107     case SPCC::ICC_CS:  return "cs";
 108     case SPCC::ICC_POS: return "pos";
 109     case SPCC::ICC_NEG: return "neg";
 110     case SPCC::ICC_VC:  return "vc";
 111     case SPCC::ICC_VS:  return "vs";
 112     case SPCC::FCC_A:   return "a";
 113     case SPCC::FCC_N:   return "n";
 114     case SPCC::FCC_U:   return "u";
 115     case SPCC::FCC_G:   return "g";
 116     case SPCC::FCC_UG:  return "ug";
 117     case SPCC::FCC_L:   return "l";
 118     case SPCC::FCC_UL:  return "ul";
 119     case SPCC::FCC_LG:  return "lg";
 120     case SPCC::FCC_NE:  return "ne";
 121     case SPCC::FCC_E:   return "e";
 122     case SPCC::FCC_UE:  return "ue";
 123     case SPCC::FCC_GE:  return "ge";
 124     case SPCC::FCC_UGE: return "uge";
 125     case SPCC::FCC_LE:  return "le";
 126     case SPCC::FCC_ULE: return "ule";
 127     case SPCC::FCC_O:   return "o";
 128     case SPCC::CPCC_A:   return "a";
 129     case SPCC::CPCC_N:   return "n";
 130     case SPCC::CPCC_3:   return "3";
 131     case SPCC::CPCC_2:   return "2";
 132     case SPCC::CPCC_23:  return "23";
 133     case SPCC::CPCC_1:   return "1";
 134     case SPCC::CPCC_13:  return "13";
 135     case SPCC::CPCC_12:  return "12";
 136     case SPCC::CPCC_123: return "123";
 137     case SPCC::CPCC_0:   return "0";
 138     case SPCC::CPCC_03:  return "03";
 139     case SPCC::CPCC_02:  return "02";
 140     case SPCC::CPCC_023: return "023";
 141     case SPCC::CPCC_01:  return "01";
 142     case SPCC::CPCC_013: return "013";
 143     case SPCC::CPCC_012: return "012";
 144     }
 145     llvm_unreachable("Invalid cond code");
 146   }
 147
 148   inline static unsigned HI22(int64_t imm) {
 149     return (unsigned)((imm >> 10) & ((1 << 22)-1));
 150   }
 151
 152   inline static unsigned LO10(int64_t imm) {
 153     return (unsigned)(imm & 0x3FF);
 154   }
 155
 156   inline static unsigned HIX22(int64_t imm) {
 157     return HI22(~imm);
 158   }
 159
 160   inline static unsigned LOX10(int64_t imm) {
 161     return ~LO10(~imm);
 162   }
 163
 164 }  // end namespace llvm
 165 #endif