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 formatted_raw_ostream; 25 class AsmPrinter; 26 class MCInst; 27 class MachineInstr; 28 29 FunctionPass *createSparcISelDag(SparcTargetMachine &TM); 30 FunctionPass *createSparcDelaySlotFillerPass(); 31 32 void LowerSparcMachineInstrToMCInst(const MachineInstr *MI, 33 MCInst &OutMI, 34 AsmPrinter &AP); 35 } // end namespace llvm; 36 37 namespace llvm { 38 // Enums corresponding to Sparc condition codes, both icc's and fcc's. These 39 // values must be kept in sync with the ones in the .td file. 40 namespace SPCC { 41 enum CondCodes { 42 ICC_A = 8 , // Always 43 ICC_N = 0 , // Never 44 ICC_NE = 9 , // Not Equal 45 ICC_E = 1 , // Equal 46 ICC_G = 10 , // Greater 47 ICC_LE = 2 , // Less or Equal 48 ICC_GE = 11 , // Greater or Equal 49 ICC_L = 3 , // Less 50 ICC_GU = 12 , // Greater Unsigned 51 ICC_LEU = 4 , // Less or Equal Unsigned 52 ICC_CC = 13 , // Carry Clear/Great or Equal Unsigned 53 ICC_CS = 5 , // Carry Set/Less Unsigned 54 ICC_POS = 14 , // Positive 55 ICC_NEG = 6 , // Negative 56 ICC_VC = 15 , // Overflow Clear 57 ICC_VS = 7 , // Overflow Set 58 59 FCC_A = 8+16, // Always 60 FCC_N = 0+16, // Never 61 FCC_U = 7+16, // Unordered 62 FCC_G = 6+16, // Greater 63 FCC_UG = 5+16, // Unordered or Greater 64 FCC_L = 4+16, // Less 65 FCC_UL = 3+16, // Unordered or Less 66 FCC_LG = 2+16, // Less or Greater 67 FCC_NE = 1+16, // Not Equal 68 FCC_E = 9+16, // Equal 69 FCC_UE = 10+16, // Unordered or Equal 70 FCC_GE = 11+16, // Greater or Equal 71 FCC_UGE = 12+16, // Unordered or Greater or Equal 72 FCC_LE = 13+16, // Less or Equal 73 FCC_ULE = 14+16, // Unordered or Less or Equal 74 FCC_O = 15+16, // Ordered 75 76 CPCC_A = 8+32, // Always 77 CPCC_N = 0+32, // Never 78 CPCC_3 = 7+32, 79 CPCC_2 = 6+32, 80 CPCC_23 = 5+32, 81 CPCC_1 = 4+32, 82 CPCC_13 = 3+32, 83 CPCC_12 = 2+32, 84 CPCC_123 = 1+32, 85 CPCC_0 = 9+32, 86 CPCC_03 = 10+32, 87 CPCC_02 = 11+32, 88 CPCC_023 = 12+32, 89 CPCC_01 = 13+32, 90 CPCC_013 = 14+32, 91 CPCC_012 = 15+32 92 }; 93 } 94 95 inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) { 96 switch (CC) { 97 case SPCC::ICC_A: return "a"; 98 case SPCC::ICC_N: return "n"; 99 case SPCC::ICC_NE: return "ne"; 100 case SPCC::ICC_E: return "e"; 101 case SPCC::ICC_G: return "g"; 102 case SPCC::ICC_LE: return "le"; 103 case SPCC::ICC_GE: return "ge"; 104 case SPCC::ICC_L: return "l"; 105 case SPCC::ICC_GU: return "gu"; 106 case SPCC::ICC_LEU: return "leu"; 107 case SPCC::ICC_CC: return "cc"; 108 case SPCC::ICC_CS: return "cs"; 109 case SPCC::ICC_POS: return "pos"; 110 case SPCC::ICC_NEG: return "neg"; 111 case SPCC::ICC_VC: return "vc"; 112 case SPCC::ICC_VS: return "vs"; 113 case SPCC::FCC_A: return "a"; 114 case SPCC::FCC_N: return "n"; 115 case SPCC::FCC_U: return "u"; 116 case SPCC::FCC_G: return "g"; 117 case SPCC::FCC_UG: return "ug"; 118 case SPCC::FCC_L: return "l"; 119 case SPCC::FCC_UL: return "ul"; 120 case SPCC::FCC_LG: return "lg"; 121 case SPCC::FCC_NE: return "ne"; 122 case SPCC::FCC_E: return "e"; 123 case SPCC::FCC_UE: return "ue"; 124 case SPCC::FCC_GE: return "ge"; 125 case SPCC::FCC_UGE: return "uge"; 126 case SPCC::FCC_LE: return "le"; 127 case SPCC::FCC_ULE: return "ule"; 128 case SPCC::FCC_O: return "o"; 129 case SPCC::CPCC_A: return "a"; 130 case SPCC::CPCC_N: return "n"; 131 case SPCC::CPCC_3: return "3"; 132 case SPCC::CPCC_2: return "2"; 133 case SPCC::CPCC_23: return "23"; 134 case SPCC::CPCC_1: return "1"; 135 case SPCC::CPCC_13: return "13"; 136 case SPCC::CPCC_12: return "12"; 137 case SPCC::CPCC_123: return "123"; 138 case SPCC::CPCC_0: return "0"; 139 case SPCC::CPCC_03: return "03"; 140 case SPCC::CPCC_02: return "02"; 141 case SPCC::CPCC_023: return "023"; 142 case SPCC::CPCC_01: return "01"; 143 case SPCC::CPCC_013: return "013"; 144 case SPCC::CPCC_012: return "012"; 145 } 146 llvm_unreachable("Invalid cond code"); 147 } 148 149 inline static unsigned HI22(int64_t imm) { 150 return (unsigned)((imm >> 10) & ((1 << 22)-1)); 151 } 152 153 inline static unsigned LO10(int64_t imm) { 154 return (unsigned)(imm & 0x3FF); 155 } 156 157 inline static unsigned HIX22(int64_t imm) { 158 return HI22(~imm); 159 } 160 161 inline static unsigned LOX10(int64_t imm) { 162 return ~LO10(~imm); 163 } 164 165 } // end namespace llvm 166 #endif 167