lib/Target/PIC16/PIC16RegisterInfo.td

   1 //===- PIC16RegisterInfo.td - PIC16 Register defs ------------*- tblgen -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 //===----------------------------------------------------------------------===//
  11 //  Declarations that describe the PIC16 register file
  12 //===----------------------------------------------------------------------===//
  13
  14 class PIC16Reg<string n> : Register<n> {
  15   let Namespace = "PIC16";
  16 }
  17
  18 // PIC16 Registers.
  19 def W   : PIC16Reg<"W">;
  20 def FSR0   : PIC16Reg<"FSR0">;
  21 def FSR1   : PIC16Reg<"FSR1">;
  22 def BS     : PIC16Reg<"BS">;
  23 def PCLATH : PIC16Reg<"PCLATH">;
  24
  25 def STATUS : PIC16Reg<"STATUS">;
  26
  27 // PIC16 Register classes.
  28 def GPR     : RegisterClass<"PIC16", [i8],  8, [W]>;
  29 def FSR16   : RegisterClass<"PIC16", [i16], 8, [FSR0, FSR1]>;
  30 def BSR     : RegisterClass<"PIC16", [i8],  8, [BS]>;
  31 def PCLATHR : RegisterClass<"PIC16", [i8],  8, [PCLATH]>;
  32 def STATUSR : RegisterClass<"PIC16", [i8],  8, [STATUS]>;
  33