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Diffstat (limited to 'contrib/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeBaseInfo.h')
| -rw-r--r-- | contrib/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeBaseInfo.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeBaseInfo.h b/contrib/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeBaseInfo.h new file mode 100644 index 0000000..776dbc4 --- /dev/null +++ b/contrib/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeBaseInfo.h @@ -0,0 +1,240 @@ +//===-- 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 |
