#include "HexagonRegisterInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
+#include <map>
+
using namespace llvm;
#define DEBUG_TYPE "hexagon-subtarget"
#define GET_SUBTARGETINFO_TARGET_DESC
#include "HexagonGenSubtargetInfo.inc"
-static cl::opt<bool>
-EnableMemOps(
- "enable-hexagon-memops",
- cl::Hidden, cl::ZeroOrMore, cl::ValueDisallowed, cl::init(true),
- cl::desc(
- "Generate V4 MEMOP in code generation for Hexagon target"));
-
-static cl::opt<bool>
-DisableMemOps(
- "disable-hexagon-memops",
- cl::Hidden, cl::ZeroOrMore, cl::ValueDisallowed, cl::init(false),
- cl::desc(
- "Do not generate V4 MEMOP in code generation for Hexagon target"));
-
-static cl::opt<bool>
-EnableIEEERndNear(
- "enable-hexagon-ieee-rnd-near",
- cl::Hidden, cl::ZeroOrMore, cl::init(false),
- cl::desc("Generate non-chopped conversion from fp to int."));
+static cl::opt<bool> EnableMemOps("enable-hexagon-memops",
+ cl::Hidden, cl::ZeroOrMore, cl::ValueDisallowed, cl::init(true),
+ cl::desc("Generate V4 MEMOP in code generation for Hexagon target"));
+
+static cl::opt<bool> DisableMemOps("disable-hexagon-memops",
+ cl::Hidden, cl::ZeroOrMore, cl::ValueDisallowed, cl::init(false),
+ cl::desc("Do not generate V4 MEMOP in code generation for Hexagon target"));
+
+static cl::opt<bool> EnableIEEERndNear("enable-hexagon-ieee-rnd-near",
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Generate non-chopped conversion from fp to int."));
static cl::opt<bool> EnableBSBSched("enable-bsb-sched",
- cl::Hidden, cl::ZeroOrMore, cl::init(true));
+ cl::Hidden, cl::ZeroOrMore, cl::init(true));
+
+static cl::opt<bool> EnableHexagonHVXDouble("enable-hexagon-hvx-double",
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Enable Hexagon Double Vector eXtensions"));
+
+static cl::opt<bool> EnableHexagonHVX("enable-hexagon-hvx",
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Enable Hexagon Vector eXtensions"));
static cl::opt<bool> DisableHexagonMISched("disable-hexagon-misched",
- cl::Hidden, cl::ZeroOrMore, cl::init(false),
- cl::desc("Disable Hexagon MI Scheduling"));
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Disable Hexagon MI Scheduling"));
+
+void HexagonSubtarget::initializeEnvironment() {
+ UseMemOps = false;
+ ModeIEEERndNear = false;
+ UseBSBScheduling = false;
+}
HexagonSubtarget &
HexagonSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
- // If the programmer has not specified a Hexagon version, default to -mv4.
+ // Default architecture.
if (CPUString.empty())
- CPUString = "hexagonv4";
-
- if (CPUString == "hexagonv4") {
- HexagonArchVersion = V4;
- } else if (CPUString == "hexagonv5") {
- HexagonArchVersion = V5;
- } else {
+ CPUString = "hexagonv60";
+
+ static std::map<StringRef, HexagonArchEnum> CpuTable {
+ { "hexagonv4", V4 },
+ { "hexagonv5", V5 },
+ { "hexagonv55", V55 },
+ { "hexagonv60", V60 },
+ };
+
+ auto foundIt = CpuTable.find(CPUString);
+ if (foundIt != CpuTable.end())
+ HexagonArchVersion = foundIt->second;
+ else
llvm_unreachable("Unrecognized Hexagon processor version");
- }
+ UseHVXOps = false;
+ UseHVXDblOps = false;
ParseSubtargetFeatures(CPUString, FS);
+
+ if (EnableHexagonHVX.getPosition())
+ UseHVXOps = EnableHexagonHVX;
+ if (EnableHexagonHVXDouble.getPosition())
+ UseHVXDblOps = EnableHexagonHVXDouble;
+
return *this;
}
InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
FrameLowering() {
+ initializeEnvironment();
+
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUString);
HexagonSelectionDAGInfo TSInfo;
HexagonFrameLowering FrameLowering;
InstrItineraryData InstrItins;
+ void initializeEnvironment();
public:
HexagonSubtarget(const Triple &TT, StringRef CPU, StringRef FS,
bool useMemOps() const { return UseMemOps; }
bool hasV5TOps() const { return getHexagonArchVersion() >= V5; }
bool hasV5TOpsOnly() const { return getHexagonArchVersion() == V5; }
+ bool hasV55TOps() const { return getHexagonArchVersion() >= V55; }
+ bool hasV55TOpsOnly() const { return getHexagonArchVersion() == V55; }
bool hasV60TOps() const { return getHexagonArchVersion() >= V60; }
bool hasV60TOpsOnly() const { return getHexagonArchVersion() == V60; }
bool modeIEEERndNear() const { return ModeIEEERndNear; }
- bool useHVXDblOps() const { return UseHVXDblOps; }
+ bool useHVXOps() const { return UseHVXOps; }
+ bool useHVXDblOps() const { return UseHVXOps && UseHVXDblOps; }
bool useHVXSglOps() const { return UseHVXOps && !UseHVXDblOps; }
bool useBSBScheduling() const { return UseBSBScheduling; }