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