1//===------- AMDILNIDevice.h - Define NI Device for AMDIL -*- C++ -*------===// 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// Interface for the subtarget data classes. 11// 12//===---------------------------------------------------------------------===// 13// This file will define the interface that each generation needs to 14// implement in order to correctly answer queries on the capabilities of the 15// specific hardware. 16//===---------------------------------------------------------------------===// 17#ifndef _AMDILNIDEVICE_H_ 18#define _AMDILNIDEVICE_H_ 19#include "AMDILEvergreenDevice.h" 20#include "AMDGPUSubtarget.h" 21 22namespace llvm { 23 class AMDGPUSubtarget; 24//===---------------------------------------------------------------------===// 25// NI generation of devices and their respective sub classes 26//===---------------------------------------------------------------------===// 27 28// The AMDGPUNIDevice is the base class for all Northern Island series of 29// cards. It is very similiar to the AMDGPUEvergreenDevice, with the major 30// exception being differences in wavefront size and hardware capabilities. The 31// NI devices are all 64 wide wavefronts and also add support for signed 24 bit 32// integer operations 33 34 class AMDGPUNIDevice : public AMDGPUEvergreenDevice { 35 public: 36 AMDGPUNIDevice(AMDGPUSubtarget*); 37 virtual ~AMDGPUNIDevice(); 38 virtual size_t getMaxLDSSize() const; 39 virtual uint32_t getGeneration() const; 40 protected: 41 }; // AMDGPUNIDevice 42 43// Just as the AMDGPUCypressDevice is the double capable version of the 44// AMDGPUEvergreenDevice, the AMDGPUCaymanDevice is the double capable version of 45// the AMDGPUNIDevice. The other major difference that is not as useful from 46// standpoint is that the Cayman Device has 4 wide ALU's, whereas the rest of the 47// NI family is a 5 wide. 48 49 class AMDGPUCaymanDevice: public AMDGPUNIDevice { 50 public: 51 AMDGPUCaymanDevice(AMDGPUSubtarget*); 52 virtual ~AMDGPUCaymanDevice(); 53 private: 54 virtual void setCaps(); 55 }; // AMDGPUCaymanDevice 56 57 static const unsigned int MAX_LDS_SIZE_900 = AMDGPUDevice::MAX_LDS_SIZE_800; 58} // namespace llvm 59#endif // _AMDILNIDEVICE_H_ 60