llvm-project/llvm/lib/Target/AMDGPU/AMDILNIDevice.h

60 lines
2.3 KiB
C++

//===------- AMDILNIDevice.h - Define NI Device for AMDIL -*- C++ -*------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//==-----------------------------------------------------------------------===//
//
// Interface for the subtarget data classes.
//
//===---------------------------------------------------------------------===//
// This file will define the interface that each generation needs to
// implement in order to correctly answer queries on the capabilities of the
// specific hardware.
//===---------------------------------------------------------------------===//
#ifndef _AMDILNIDEVICE_H_
#define _AMDILNIDEVICE_H_
#include "AMDILEvergreenDevice.h"
#include "AMDILSubtarget.h"
namespace llvm {
class AMDILSubtarget;
//===---------------------------------------------------------------------===//
// NI generation of devices and their respective sub classes
//===---------------------------------------------------------------------===//
// The AMDILNIDevice is the base class for all Northern Island series of
// cards. It is very similiar to the AMDILEvergreenDevice, with the major
// exception being differences in wavefront size and hardware capabilities. The
// NI devices are all 64 wide wavefronts and also add support for signed 24 bit
// integer operations
class AMDILNIDevice : public AMDILEvergreenDevice {
public:
AMDILNIDevice(AMDILSubtarget*);
virtual ~AMDILNIDevice();
virtual size_t getMaxLDSSize() const;
virtual uint32_t getGeneration() const;
protected:
}; // AMDILNIDevice
// Just as the AMDILCypressDevice is the double capable version of the
// AMDILEvergreenDevice, the AMDILCaymanDevice is the double capable version of
// the AMDILNIDevice. The other major difference that is not as useful from
// standpoint is that the Cayman Device has 4 wide ALU's, whereas the rest of the
// NI family is a 5 wide.
class AMDILCaymanDevice: public AMDILNIDevice {
public:
AMDILCaymanDevice(AMDILSubtarget*);
virtual ~AMDILCaymanDevice();
private:
virtual void setCaps();
}; // AMDILCaymanDevice
static const unsigned int MAX_LDS_SIZE_900 = AMDILDevice::MAX_LDS_SIZE_800;
} // namespace llvm
#endif // _AMDILNIDEVICE_H_