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 166