//===-- MBlazeBaseInfo.h - Top level definitions for MBlaze -- --*- 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 small standalone helper functions and enum definitions for
// the MBlaze target useful for the compiler back-end and the MC libraries.
// As such, it deliberately does not include references to LLVM core
// code gen types, passes, etc..
//
//===----------------------------------------------------------------------===//
#ifndef MBlazeBASEINFO_H
#define MBlazeBASEINFO_H
#include "MBlazeMCTargetDesc.h"
#include "llvm/Support/ErrorHandling.h"
namespace llvm {
/// MBlazeII - This namespace holds all of the target specific flags that
/// instruction info tracks.
///
namespace MBlazeII {
enum {
// PseudoFrm - This represents an instruction that is a pseudo instruction
// or one that has not been implemented yet. It is illegal to code generate
// it, but tolerated for intermediate implementation stages.
FPseudo = 0,
FRRR,
FRRI,
FCRR,
FCRI,
FRCR,
FRCI,
FCCR,
FCCI,
FRRCI,
FRRC,
FRCX,
FRCS,
FCRCS,
FCRCX,
FCX,
FCR,
FRIR,
FRRRR,
FRI,
FC,
FormMask = 63
//===------------------------------------------------------------------===//
// MBlaze Specific MachineOperand flags.
// MO_NO_FLAG,
/// MO_GOT - Represents the offset into the global offset table at which
/// the address the relocation entry symbol resides during execution.
// MO_GOT,
/// MO_GOT_CALL - Represents the offset into the global offset table at
/// which the address of a call site relocation entry symbol resides
/// during execution. This is different from the above since this flag
/// can only be present in call instructions.
// MO_GOT_CALL,
/// MO_GPREL - Represents the offset from the current gp value to be used
/// for the relocatable object file being produced.
// MO_GPREL,
/// MO_ABS_HILO - Represents the hi or low part of an absolute symbol
/// address.
// MO_ABS_HILO
};
}
static inline bool isMBlazeRegister(unsigned Reg) {
return Reg <= 31;
}
static inline bool isSpecialMBlazeRegister(unsigned Reg) {
switch (Reg) {
case 0x0000 : case 0x0001 : case 0x0003 : case 0x0005 :
case 0x0007 : case 0x000B : case 0x000D : case 0x1000 :
case 0x1001 : case 0x1002 : case 0x1003 : case 0x1004 :
case 0x2000 : case 0x2001 : case 0x2002 : case 0x2003 :
case 0x2004 : case 0x2005 : case 0x2006 : case 0x2007 :
case 0x2008 : case 0x2009 : case 0x200A : case 0x200B :
return true;
default:
return false;
}
return false; // Not reached
}
/// getMBlazeRegisterNumbering - Given the enum value for some register, e.g.
/// MBlaze::R0, return the number that it corresponds to (e.g. 0).
static inline unsigned getMBlazeRegisterNumbering(unsigned RegEnum) {
switch (RegEnum) {
case MBlaze::R0 : return 0;
case MBlaze::R1 : return 1;
case MBlaze::R2 : return 2;
case MBlaze::R3 : return 3;
case MBlaze::R4 : return 4;
case MBlaze::R5 : return 5;
case MBlaze::R6 : return 6;
case MBlaze::R7 : return 7;
case MBlaze::R8 : return 8;
case MBlaze::R9 : return 9;
case MBlaze::R10 : return 10;
case MBlaze::R11 : return 11;
case MBlaze::R12 : return 12;
case MBlaze::R13 : return 13;
case MBlaze::R14 : return 14;
case MBlaze::R15 : return 15;
case MBlaze::R16 : return 16;
case MBlaze::R17 : return 17;
case MBlaze::R18 : return 18;
case MBlaze::R19 : return 19;
case MBlaze::R20 : return 20;
case MBlaze::R21 : return 21;
case MBlaze::R22 : return 22;
case MBlaze::R23 : return 23;
case MBlaze::R24 : return 24;
case MBlaze::R25 : return 25;
case MBlaze::R26 : return 26;
case MBlaze::R27 : return 27;
case MBlaze::R28 : return 28;
case MBlaze::R29 : return 29;
case MBlaze::R30 : return 30;
case MBlaze::R31 : return 31;
case MBlaze::RPC : return 0x0000;
case MBlaze::RMSR : return 0x0001;
case MBlaze::REAR : return 0x0003;
case MBlaze::RESR : return 0x0005;
case MBlaze::RFSR : return 0x0007;
case MBlaze::RBTR : return 0x000B;
case MBlaze::REDR : return 0x000D;
case MBlaze::RPID : return 0x1000;
case MBlaze::RZPR : return 0x1001;
case MBlaze::RTLBX : return 0x1002;
case MBlaze::RTLBLO : return 0x1003;
case MBlaze::RTLBHI : return 0x1004;
case MBlaze::RPVR0 : return 0x2000;
case MBlaze::RPVR1 : return 0x2001;
case MBlaze::RPVR2 : return 0x2002;
case MBlaze::RPVR3 : return 0x2003;
case MBlaze::RPVR4 : return 0x2004;
case MBlaze::RPVR5 : return 0x2005;
case MBlaze::RPVR6 : return 0x2006;
case MBlaze::RPVR7 : return 0x2007;
case MBlaze::RPVR8 : return 0x2008;
case MBlaze::RPVR9 : return 0x2009;
case MBlaze::RPVR10 : return 0x200A;
case MBlaze::RPVR11 : return 0x200B;
default: llvm_unreachable("Unknown register number!");
}
return 0; // Not reached
}
/// getRegisterFromNumbering - Given the enum value for some register, e.g.
/// MBlaze::R0, return the number that it corresponds to (e.g. 0).
static inline unsigned getMBlazeRegisterFromNumbering(unsigned Reg) {
switch (Reg) {
case 0 : return MBlaze::R0;
case 1 : return MBlaze::R1;
case 2 : return MBlaze::R2;
case 3 : return MBlaze::R3;
case 4 : return MBlaze::R4;
case 5 : return MBlaze::R5;
case 6 : return MBlaze::R6;
case 7 : return MBlaze::R7;
case 8 : return MBlaze::R8;
case 9 : return MBlaze::R9;
case 10 : return MBlaze::R10;
case 11 : return MBlaze::R11;
case 12 : return MBlaze::R12;
case 13 : return MBlaze::R13;
case 14 : return MBlaze::R14;
case 15 : return MBlaze::R15;
case 16 : return MBlaze::R16;
case 17 : return MBlaze::R17;
case 18 : return MBlaze::R18;
case 19 : return MBlaze::R19;
case 20 : return MBlaze::R20;
case 21 : return MBlaze::R21;
case 22 : return MBlaze::R22;
case 23 : return MBlaze::R23;
case 24 : return MBlaze::R24;
case 25 : return MBlaze::R25;
case 26 : return MBlaze::R26;
case 27 : return MBlaze::R27;
case 28 : return MBlaze::R28;
case 29 : return MBlaze::R29;
case 30 : return MBlaze::R30;
case 31 : return MBlaze::R31;
default: llvm_unreachable("Unknown register number!");
}
return 0; // Not reached
}
static inline unsigned getSpecialMBlazeRegisterFromNumbering(unsigned Reg) {
switch (Reg) {
case 0x0000 : return MBlaze::RPC;
case 0x0001 : return MBlaze::RMSR;
case 0x0003 : return MBlaze::REAR;
case 0x0005 : return MBlaze::RESR;
case 0x0007 : return MBlaze::RFSR;
case 0x000B : return MBlaze::RBTR;
case 0x000D : return MBlaze::REDR;
case 0x1000 : return MBlaze::RPID;
case 0x1001 : return MBlaze::RZPR;
case 0x1002 : return MBlaze::RTLBX;
case 0x1003 : return MBlaze::RTLBLO;
case 0x1004 : return MBlaze::RTLBHI;
case 0x2000 : return MBlaze::RPVR0;
case 0x2001 : return MBlaze::RPVR1;
case 0x2002 : return MBlaze::RPVR2;
case 0x2003 : return MBlaze::RPVR3;
case 0x2004 : return MBlaze::RPVR4;
case 0x2005 : return MBlaze::RPVR5;
case 0x2006 : return MBlaze::RPVR6;
case 0x2007 : return MBlaze::RPVR7;
case 0x2008 : return MBlaze::RPVR8;
case 0x2009 : return MBlaze::RPVR9;
case 0x200A : return MBlaze::RPVR10;
case 0x200B : return MBlaze::RPVR11;
default: llvm_unreachable("Unknown register number!");
}
return 0; // Not reached
}
} // end namespace llvm;
#endif