llvm-6502/lib/Target/R600/AMDILEvergreenDevice.cpp
Tom Stellard f98f2ce29e Add R600 backend
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
2012-12-11 21:25:42 +00:00

170 lines
4.3 KiB
C++

//===-- AMDILEvergreenDevice.cpp - Device Info for Evergreen --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
/// \file
//==-----------------------------------------------------------------------===//
#include "AMDILEvergreenDevice.h"
using namespace llvm;
AMDGPUEvergreenDevice::AMDGPUEvergreenDevice(AMDGPUSubtarget *ST)
: AMDGPUDevice(ST) {
setCaps();
std::string name = ST->getDeviceName();
if (name == "cedar") {
DeviceFlag = OCL_DEVICE_CEDAR;
} else if (name == "redwood") {
DeviceFlag = OCL_DEVICE_REDWOOD;
} else if (name == "cypress") {
DeviceFlag = OCL_DEVICE_CYPRESS;
} else {
DeviceFlag = OCL_DEVICE_JUNIPER;
}
}
AMDGPUEvergreenDevice::~AMDGPUEvergreenDevice() {
}
size_t AMDGPUEvergreenDevice::getMaxLDSSize() const {
if (usesHardware(AMDGPUDeviceInfo::LocalMem)) {
return MAX_LDS_SIZE_800;
} else {
return 0;
}
}
size_t AMDGPUEvergreenDevice::getMaxGDSSize() const {
if (usesHardware(AMDGPUDeviceInfo::RegionMem)) {
return MAX_LDS_SIZE_800;
} else {
return 0;
}
}
uint32_t AMDGPUEvergreenDevice::getMaxNumUAVs() const {
return 12;
}
uint32_t AMDGPUEvergreenDevice::getResourceID(uint32_t id) const {
switch(id) {
default:
assert(0 && "ID type passed in is unknown!");
break;
case CONSTANT_ID:
case RAW_UAV_ID:
return GLOBAL_RETURN_RAW_UAV_ID;
case GLOBAL_ID:
case ARENA_UAV_ID:
return DEFAULT_ARENA_UAV_ID;
case LDS_ID:
if (usesHardware(AMDGPUDeviceInfo::LocalMem)) {
return DEFAULT_LDS_ID;
} else {
return DEFAULT_ARENA_UAV_ID;
}
case GDS_ID:
if (usesHardware(AMDGPUDeviceInfo::RegionMem)) {
return DEFAULT_GDS_ID;
} else {
return DEFAULT_ARENA_UAV_ID;
}
case SCRATCH_ID:
if (usesHardware(AMDGPUDeviceInfo::PrivateMem)) {
return DEFAULT_SCRATCH_ID;
} else {
return DEFAULT_ARENA_UAV_ID;
}
};
return 0;
}
size_t AMDGPUEvergreenDevice::getWavefrontSize() const {
return AMDGPUDevice::WavefrontSize;
}
uint32_t AMDGPUEvergreenDevice::getGeneration() const {
return AMDGPUDeviceInfo::HD5XXX;
}
void AMDGPUEvergreenDevice::setCaps() {
mSWBits.set(AMDGPUDeviceInfo::ArenaSegment);
mHWBits.set(AMDGPUDeviceInfo::ArenaUAV);
mHWBits.set(AMDGPUDeviceInfo::HW64BitDivMod);
mSWBits.reset(AMDGPUDeviceInfo::HW64BitDivMod);
mSWBits.set(AMDGPUDeviceInfo::Signed24BitOps);
if (mSTM->isOverride(AMDGPUDeviceInfo::ByteStores)) {
mHWBits.set(AMDGPUDeviceInfo::ByteStores);
}
if (mSTM->isOverride(AMDGPUDeviceInfo::Debug)) {
mSWBits.set(AMDGPUDeviceInfo::LocalMem);
mSWBits.set(AMDGPUDeviceInfo::RegionMem);
} else {
mHWBits.set(AMDGPUDeviceInfo::LocalMem);
mHWBits.set(AMDGPUDeviceInfo::RegionMem);
}
mHWBits.set(AMDGPUDeviceInfo::Images);
if (mSTM->isOverride(AMDGPUDeviceInfo::NoAlias)) {
mHWBits.set(AMDGPUDeviceInfo::NoAlias);
}
mHWBits.set(AMDGPUDeviceInfo::CachedMem);
if (mSTM->isOverride(AMDGPUDeviceInfo::MultiUAV)) {
mHWBits.set(AMDGPUDeviceInfo::MultiUAV);
}
mHWBits.set(AMDGPUDeviceInfo::ByteLDSOps);
mSWBits.reset(AMDGPUDeviceInfo::ByteLDSOps);
mHWBits.set(AMDGPUDeviceInfo::ArenaVectors);
mHWBits.set(AMDGPUDeviceInfo::LongOps);
mSWBits.reset(AMDGPUDeviceInfo::LongOps);
mHWBits.set(AMDGPUDeviceInfo::TmrReg);
}
AMDGPUCypressDevice::AMDGPUCypressDevice(AMDGPUSubtarget *ST)
: AMDGPUEvergreenDevice(ST) {
setCaps();
}
AMDGPUCypressDevice::~AMDGPUCypressDevice() {
}
void AMDGPUCypressDevice::setCaps() {
if (mSTM->isOverride(AMDGPUDeviceInfo::DoubleOps)) {
mHWBits.set(AMDGPUDeviceInfo::DoubleOps);
mHWBits.set(AMDGPUDeviceInfo::FMA);
}
}
AMDGPUCedarDevice::AMDGPUCedarDevice(AMDGPUSubtarget *ST)
: AMDGPUEvergreenDevice(ST) {
setCaps();
}
AMDGPUCedarDevice::~AMDGPUCedarDevice() {
}
void AMDGPUCedarDevice::setCaps() {
mSWBits.set(AMDGPUDeviceInfo::FMA);
}
size_t AMDGPUCedarDevice::getWavefrontSize() const {
return AMDGPUDevice::QuarterWavefrontSize;
}
AMDGPURedwoodDevice::AMDGPURedwoodDevice(AMDGPUSubtarget *ST)
: AMDGPUEvergreenDevice(ST) {
setCaps();
}
AMDGPURedwoodDevice::~AMDGPURedwoodDevice() {
}
void AMDGPURedwoodDevice::setCaps() {
mSWBits.set(AMDGPUDeviceInfo::FMA);
}
size_t AMDGPURedwoodDevice::getWavefrontSize() const {
return AMDGPUDevice::HalfWavefrontSize;
}