llvm-6502/lib/Target/R600/AMDGPUSubtarget.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

88 lines
2.3 KiB
C++

//===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#include "AMDGPUSubtarget.h"
using namespace llvm;
#define GET_SUBTARGETINFO_ENUM
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "AMDGPUGenSubtargetInfo.inc"
AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
InstrItins = getInstrItineraryForCPU(CPU);
memset(CapsOverride, 0, sizeof(*CapsOverride)
* AMDGPUDeviceInfo::MaxNumberCapabilities);
// Default card
StringRef GPU = CPU;
Is64bit = false;
DefaultSize[0] = 64;
DefaultSize[1] = 1;
DefaultSize[2] = 1;
ParseSubtargetFeatures(GPU, FS);
DevName = GPU;
Device = AMDGPUDeviceInfo::getDeviceFromName(DevName, this, Is64bit);
}
AMDGPUSubtarget::~AMDGPUSubtarget() {
delete Device;
}
bool
AMDGPUSubtarget::isOverride(AMDGPUDeviceInfo::Caps caps) const {
assert(caps < AMDGPUDeviceInfo::MaxNumberCapabilities &&
"Caps index is out of bounds!");
return CapsOverride[caps];
}
bool
AMDGPUSubtarget::is64bit() const {
return Is64bit;
}
bool
AMDGPUSubtarget::isTargetELF() const {
return false;
}
size_t
AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
if (dim > 3) {
return 1;
} else {
return DefaultSize[dim];
}
}
std::string
AMDGPUSubtarget::getDataLayout() const {
if (!Device) {
return std::string("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
"-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
"-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
"-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
"-v512:512:512-v1024:1024:1024-v2048:2048:2048-a0:0:64");
}
return Device->getDataLayout();
}
std::string
AMDGPUSubtarget::getDeviceName() const {
return DevName;
}
const AMDGPUDevice *
AMDGPUSubtarget::device() const {
return Device;
}