include/jitcs_ids.h

   1 //===-- jitcs_ids.h - ID types for instructions et al. ----------*- C++ -*-===//
   2 //
   3 //
   4 //
   5 //===----------------------------------------------------------------------===//
   6
   7 #ifndef _JITCS_IDS_H_
   8 #define _JITCS_IDS_H_
   9
  10 #include "jitcs_base.h"
  11
  12 namespace jitcs {
  13
  14 enum RegId : u32 {
  15   R_None = 0,
  16   R_HardwareLimit = 0x1000,
  17 };
  18 enum ResId : u32 {
  19   RES_None = ~0u,
  20 };
  21 enum RegClassId : u8 {
  22   RCL_None = 0xff,
  23 };
  24 enum ResClassId : u8 {
  25   RESCL_None = 0xff,
  26 };
  27
  28 enum InsId : uptr {
  29   I_None = 0,
  30   I_Count,
  31   I_CoreMax = I_Count,
  32 };
  33
  34 enum BBId : uptr {
  35   BB_None = 0,
  36 };
  37
  38 // used in virtual register placement and memory reference
  39 enum MModeEnum {
  40   MMODE_Bits = 4,
  41   MMODE_Mask = (1 << MMODE_Bits) - 1,
  42   MMODE_FPCount =      8,
  43 };
  44 enum MMode {
  45   MMODE_None =         0, // address undefined
  46   MMODE_Base =         1, // base + scale * index + offset
  47   //MMODE_Sym  =         2, // symbol + offset - the symbol may be global or local(SPREL/FPREL)
  48   MMODE_Global=        3, // global pointer + offset (in X64 encoded as RIP-relative)
  49   MMODE_VRegSpillSlot= 4, // memory address of a VReg spill slot
  50   MMODE_SPRel=         8, // stack (aka FP0) pointer + offset
  51   MMODE_FP1Rel= MMODE_SPRel+1, // frame pointer 1 + offset
  52   MMODE_FP2Rel= MMODE_SPRel+2, // frame pointer 2 + offset
  53   MMODE_FP3Rel= MMODE_SPRel+3, // frame pointer 3 + offset
  54   MMODE_FP4Rel= MMODE_SPRel+4, // frame pointer 4 + offset
  55   MMODE_FP5Rel= MMODE_SPRel+5, // frame pointer 5 + offset
  56   MMODE_FP6Rel= MMODE_SPRel+6, // frame pointer 6 + offset
  57   MMODE_FP7Rel= MMODE_SPRel+7, // frame pointer 7 + offset
  58 };
  59
  60
  61 } // end of namespace jitcs
  62
  63 #endif
  64 // _JITCS_IDS_H_