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f98f2ce29e
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
//===-- AMDIL7XXDevice.cpp - Device Info for 7XX GPUs ---------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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// \file
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//==-----------------------------------------------------------------------===//
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#include "AMDIL7XXDevice.h"
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#include "AMDGPUSubtarget.h"
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#include "AMDILDevice.h"
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using namespace llvm;
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AMDGPU7XXDevice::AMDGPU7XXDevice(AMDGPUSubtarget *ST) : AMDGPUDevice(ST) {
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setCaps();
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std::string name = mSTM->getDeviceName();
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if (name == "rv710") {
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DeviceFlag = OCL_DEVICE_RV710;
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} else if (name == "rv730") {
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DeviceFlag = OCL_DEVICE_RV730;
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} else {
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DeviceFlag = OCL_DEVICE_RV770;
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}
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}
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AMDGPU7XXDevice::~AMDGPU7XXDevice() {
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}
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void AMDGPU7XXDevice::setCaps() {
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mSWBits.set(AMDGPUDeviceInfo::LocalMem);
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}
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size_t AMDGPU7XXDevice::getMaxLDSSize() const {
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if (usesHardware(AMDGPUDeviceInfo::LocalMem)) {
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return MAX_LDS_SIZE_700;
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}
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return 0;
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}
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size_t AMDGPU7XXDevice::getWavefrontSize() const {
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return AMDGPUDevice::HalfWavefrontSize;
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}
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uint32_t AMDGPU7XXDevice::getGeneration() const {
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return AMDGPUDeviceInfo::HD4XXX;
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}
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uint32_t AMDGPU7XXDevice::getResourceID(uint32_t DeviceID) const {
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switch (DeviceID) {
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default:
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assert(0 && "ID type passed in is unknown!");
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break;
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case GLOBAL_ID:
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case CONSTANT_ID:
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case RAW_UAV_ID:
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case ARENA_UAV_ID:
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break;
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case LDS_ID:
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if (usesHardware(AMDGPUDeviceInfo::LocalMem)) {
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return DEFAULT_LDS_ID;
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}
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break;
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case SCRATCH_ID:
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if (usesHardware(AMDGPUDeviceInfo::PrivateMem)) {
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return DEFAULT_SCRATCH_ID;
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}
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break;
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case GDS_ID:
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assert(0 && "GDS UAV ID is not supported on this chip");
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if (usesHardware(AMDGPUDeviceInfo::RegionMem)) {
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return DEFAULT_GDS_ID;
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}
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break;
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};
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return 0;
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}
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uint32_t AMDGPU7XXDevice::getMaxNumUAVs() const {
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return 1;
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}
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AMDGPU770Device::AMDGPU770Device(AMDGPUSubtarget *ST): AMDGPU7XXDevice(ST) {
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setCaps();
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}
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AMDGPU770Device::~AMDGPU770Device() {
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}
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void AMDGPU770Device::setCaps() {
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if (mSTM->isOverride(AMDGPUDeviceInfo::DoubleOps)) {
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mSWBits.set(AMDGPUDeviceInfo::FMA);
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mHWBits.set(AMDGPUDeviceInfo::DoubleOps);
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}
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mSWBits.set(AMDGPUDeviceInfo::BarrierDetect);
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mHWBits.reset(AMDGPUDeviceInfo::LongOps);
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mSWBits.set(AMDGPUDeviceInfo::LongOps);
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mSWBits.set(AMDGPUDeviceInfo::LocalMem);
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}
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size_t AMDGPU770Device::getWavefrontSize() const {
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return AMDGPUDevice::WavefrontSize;
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}
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AMDGPU710Device::AMDGPU710Device(AMDGPUSubtarget *ST) : AMDGPU7XXDevice(ST) {
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}
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AMDGPU710Device::~AMDGPU710Device() {
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}
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size_t AMDGPU710Device::getWavefrontSize() const {
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return AMDGPUDevice::QuarterWavefrontSize;
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}
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