Home | History | Annotate | Line # | Download | only in Sparc
      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