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
diff --git a/lib/Target/R600/AMDILEvergreenDevice.cpp b/lib/Target/R600/AMDILEvergreenDevice.cpp
new file mode 100644
index 0000000..c5213a0
--- /dev/null
+++ b/lib/Target/R600/AMDILEvergreenDevice.cpp
@@ -0,0 +1,169 @@
+//===-- 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;
+}