src/gallium/drivers/radeon/AMDILDeviceInfo.h

   1 //===-- AMDILDeviceInfo.h - Constants for describing devices --------------===//
   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 #ifndef _AMDILDEVICEINFO_H_
  10 #define _AMDILDEVICEINFO_H_
  11
  12
  13 #include <string>
  14
  15 namespace llvm
  16 {
  17   class AMDILDevice;
  18   class AMDILSubtarget;
  19   namespace AMDILDeviceInfo
  20   {
  21     // Each Capabilities can be executed using a hardware instruction,
  22     // emulated with a sequence of software instructions, or not
  23     // supported at all.
  24     enum ExecutionMode {
  25       Unsupported = 0, // Unsupported feature on the card(Default value)
  26       Software, // This is the execution mode that is set if the
  27       // feature is emulated in software
  28       Hardware  // This execution mode is set if the feature exists
  29         // natively in hardware
  30     };
  31
  32     // Any changes to this needs to have a corresponding update to the
  33     // twiki page GPUMetadataABI
  34     enum Caps {
  35       HalfOps          = 0x1,  // Half float is supported or not.
  36       DoubleOps        = 0x2,  // Double is supported or not.
  37       ByteOps          = 0x3,  // Byte(char) is support or not.
  38       ShortOps         = 0x4,  // Short is supported or not.
  39       LongOps          = 0x5,  // Long is supported or not.
  40       Images           = 0x6,  // Images are supported or not.
  41       ByteStores       = 0x7,  // ByteStores available(!HD4XXX).
  42       ConstantMem      = 0x8,  // Constant/CB memory.
  43       LocalMem         = 0x9,  // Local/LDS memory.
  44       PrivateMem       = 0xA,  // Scratch/Private/Stack memory.
  45       RegionMem        = 0xB,  // OCL GDS Memory Extension.
  46       FMA              = 0xC,  // Use HW FMA or SW FMA.
  47       ArenaSegment     = 0xD,  // Use for Arena UAV per pointer 12-1023.
  48       MultiUAV         = 0xE,  // Use for UAV per Pointer 0-7.
  49       Reserved0        = 0xF,  // ReservedFlag
  50       NoAlias          = 0x10, // Cached loads.
  51       Signed24BitOps   = 0x11, // Peephole Optimization.
  52       // Debug mode implies that no hardware features or optimizations
  53       // are performned and that all memory access go through a single
  54       // uav(Arena on HD5XXX/HD6XXX and Raw on HD4XXX).
  55       Debug            = 0x12, // Debug mode is enabled.
  56       CachedMem        = 0x13, // Cached mem is available or not.
  57       BarrierDetect    = 0x14, // Detect duplicate barriers.
  58       Reserved1        = 0x15, // Reserved flag
  59       ByteLDSOps       = 0x16, // Flag to specify if byte LDS ops are available.
  60       ArenaVectors     = 0x17, // Flag to specify if vector loads from arena work.
  61       TmrReg           = 0x18, // Flag to specify if Tmr register is supported.
  62       NoInline         = 0x19, // Flag to specify that no inlining should occur.
  63       MacroDB          = 0x1A, // Flag to specify that backend handles macrodb.
  64       HW64BitDivMod    = 0x1B, // Flag for backend to generate 64bit div/mod.
  65       ArenaUAV         = 0x1C, // Flag to specify that arena uav is supported.
  66       PrivateUAV       = 0x1D, // Flag to specify that private memory uses uav's.
  67       // If more capabilities are required, then
  68       // this number needs to be increased.
  69       // All capabilities must come before this
  70       // number.
  71       MaxNumberCapabilities = 0x20
  72     };
  73     // These have to be in order with the older generations
  74     // having the lower number enumerations.
  75     enum Generation {
  76       HD4XXX = 0, // 7XX based devices.
  77       HD5XXX, // Evergreen based devices.
  78       HD6XXX, // NI/Evergreen+ based devices.
  79       HD7XXX,
  80       HDTEST, // Experimental feature testing device.
  81       HDNUMGEN
  82     };
  83
  84
  85   AMDILDevice*
  86     getDeviceFromName(const std::string &name, AMDILSubtarget *ptr, bool is64bit = false, bool is64on32bit = false);
  87   } // namespace AMDILDeviceInfo
  88 } // namespace llvm
  89 #endif // _AMDILDEVICEINFO_H_