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/AMDILNIDevice.cpp b/lib/Target/R600/AMDILNIDevice.cpp
new file mode 100644
index 0000000..b82da59
--- /dev/null
+++ b/lib/Target/R600/AMDILNIDevice.cpp
@@ -0,0 +1,65 @@
+//===-- AMDILNIDevice.cpp - Device Info for Northern Islands devices ------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+/// \file
+//==-----------------------------------------------------------------------===//
+#include "AMDILNIDevice.h"
+#include "AMDILEvergreenDevice.h"
+#include "AMDGPUSubtarget.h"
+
+using namespace llvm;
+
+AMDGPUNIDevice::AMDGPUNIDevice(AMDGPUSubtarget *ST)
+ : AMDGPUEvergreenDevice(ST) {
+ std::string name = ST->getDeviceName();
+ if (name == "caicos") {
+ DeviceFlag = OCL_DEVICE_CAICOS;
+ } else if (name == "turks") {
+ DeviceFlag = OCL_DEVICE_TURKS;
+ } else if (name == "cayman") {
+ DeviceFlag = OCL_DEVICE_CAYMAN;
+ } else {
+ DeviceFlag = OCL_DEVICE_BARTS;
+ }
+}
+AMDGPUNIDevice::~AMDGPUNIDevice() {
+}
+
+size_t
+AMDGPUNIDevice::getMaxLDSSize() const {
+ if (usesHardware(AMDGPUDeviceInfo::LocalMem)) {
+ return MAX_LDS_SIZE_900;
+ } else {
+ return 0;
+ }
+}
+
+uint32_t
+AMDGPUNIDevice::getGeneration() const {
+ return AMDGPUDeviceInfo::HD6XXX;
+}
+
+
+AMDGPUCaymanDevice::AMDGPUCaymanDevice(AMDGPUSubtarget *ST)
+ : AMDGPUNIDevice(ST) {
+ setCaps();
+}
+
+AMDGPUCaymanDevice::~AMDGPUCaymanDevice() {
+}
+
+void
+AMDGPUCaymanDevice::setCaps() {
+ if (mSTM->isOverride(AMDGPUDeviceInfo::DoubleOps)) {
+ mHWBits.set(AMDGPUDeviceInfo::DoubleOps);
+ mHWBits.set(AMDGPUDeviceInfo::FMA);
+ }
+ mHWBits.set(AMDGPUDeviceInfo::Signed24BitOps);
+ mSWBits.reset(AMDGPUDeviceInfo::Signed24BitOps);
+ mSWBits.set(AMDGPUDeviceInfo::ArenaSegment);
+}
+