llvm-6502/lib/Target/Sparc/Sparc.h
2014-03-01 20:08:48 +00:00

137 lines
4.4 KiB
C++

//===-- Sparc.h - Top-level interface for Sparc representation --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// Sparc back-end.
//
//===----------------------------------------------------------------------===//
#ifndef TARGET_SPARC_H
#define TARGET_SPARC_H
#include "MCTargetDesc/SparcMCTargetDesc.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class FunctionPass;
class SparcTargetMachine;
class formatted_raw_ostream;
class AsmPrinter;
class MCInst;
class MachineInstr;
FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
FunctionPass *createSparcDelaySlotFillerPass(TargetMachine &TM);
FunctionPass *createSparcJITCodeEmitterPass(SparcTargetMachine &TM,
JITCodeEmitter &JCE);
void LowerSparcMachineInstrToMCInst(const MachineInstr *MI,
MCInst &OutMI,
AsmPrinter &AP);
} // end namespace llvm;
namespace llvm {
// Enums corresponding to Sparc condition codes, both icc's and fcc's. These
// values must be kept in sync with the ones in the .td file.
namespace SPCC {
enum CondCodes {
ICC_A = 8 , // Always
ICC_N = 0 , // Never
ICC_NE = 9 , // Not Equal
ICC_E = 1 , // Equal
ICC_G = 10 , // Greater
ICC_LE = 2 , // Less or Equal
ICC_GE = 11 , // Greater or Equal
ICC_L = 3 , // Less
ICC_GU = 12 , // Greater Unsigned
ICC_LEU = 4 , // Less or Equal Unsigned
ICC_CC = 13 , // Carry Clear/Great or Equal Unsigned
ICC_CS = 5 , // Carry Set/Less Unsigned
ICC_POS = 14 , // Positive
ICC_NEG = 6 , // Negative
ICC_VC = 15 , // Overflow Clear
ICC_VS = 7 , // Overflow Set
FCC_A = 8+16, // Always
FCC_N = 0+16, // Never
FCC_U = 7+16, // Unordered
FCC_G = 6+16, // Greater
FCC_UG = 5+16, // Unordered or Greater
FCC_L = 4+16, // Less
FCC_UL = 3+16, // Unordered or Less
FCC_LG = 2+16, // Less or Greater
FCC_NE = 1+16, // Not Equal
FCC_E = 9+16, // Equal
FCC_UE = 10+16, // Unordered or Equal
FCC_GE = 11+16, // Greater or Equal
FCC_UGE = 12+16, // Unordered or Greater or Equal
FCC_LE = 13+16, // Less or Equal
FCC_ULE = 14+16, // Unordered or Less or Equal
FCC_O = 15+16 // Ordered
};
}
inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
switch (CC) {
case SPCC::ICC_A: return "a";
case SPCC::ICC_N: return "n";
case SPCC::ICC_NE: return "ne";
case SPCC::ICC_E: return "e";
case SPCC::ICC_G: return "g";
case SPCC::ICC_LE: return "le";
case SPCC::ICC_GE: return "ge";
case SPCC::ICC_L: return "l";
case SPCC::ICC_GU: return "gu";
case SPCC::ICC_LEU: return "leu";
case SPCC::ICC_CC: return "cc";
case SPCC::ICC_CS: return "cs";
case SPCC::ICC_POS: return "pos";
case SPCC::ICC_NEG: return "neg";
case SPCC::ICC_VC: return "vc";
case SPCC::ICC_VS: return "vs";
case SPCC::FCC_A: return "a";
case SPCC::FCC_N: return "n";
case SPCC::FCC_U: return "u";
case SPCC::FCC_G: return "g";
case SPCC::FCC_UG: return "ug";
case SPCC::FCC_L: return "l";
case SPCC::FCC_UL: return "ul";
case SPCC::FCC_LG: return "lg";
case SPCC::FCC_NE: return "ne";
case SPCC::FCC_E: return "e";
case SPCC::FCC_UE: return "ue";
case SPCC::FCC_GE: return "ge";
case SPCC::FCC_UGE: return "uge";
case SPCC::FCC_LE: return "le";
case SPCC::FCC_ULE: return "ule";
case SPCC::FCC_O: return "o";
}
llvm_unreachable("Invalid cond code");
}
inline static unsigned HI22(int64_t imm) {
return (unsigned)((imm >> 10) & ((1 << 22)-1));
}
inline static unsigned LO10(int64_t imm) {
return (unsigned)(imm & 0x3FF);
}
inline static unsigned HIX22(int64_t imm) {
return HI22(~imm);
}
inline static unsigned LOX10(int64_t imm) {
return ~LO10(~imm);
}
} // end namespace llvm
#endif