#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
+#define DEBUG_TYPE "hexagon-subtarget"
+
#define GET_SUBTARGETINFO_CTOR
#define GET_SUBTARGETINFO_TARGET_DESC
#include "HexagonGenSubtargetInfo.inc"
static cl::opt<bool>
EnableMemOps(
"enable-hexagon-memops",
- cl::Hidden, cl::ZeroOrMore, cl::ValueDisallowed,
- cl::desc("Generate V4 memop instructions."));
+ 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(
cl::Hidden, cl::ZeroOrMore, cl::init(false),
cl::desc("Generate non-chopped conversion from fp to int."));
-HexagonSubtarget::HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS):
- HexagonGenSubtargetInfo(TT, CPU, FS),
- CPUString(CPU.str()) {
-
+HexagonSubtarget &
+HexagonSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
// If the programmer has not specified a Hexagon version, default to -mv4.
if (CPUString.empty())
CPUString = "hexagonv4";
}
ParseSubtargetFeatures(CPUString, FS);
+ return *this;
+}
+
+HexagonSubtarget::HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS,
+ const TargetMachine &TM)
+ : HexagonGenSubtargetInfo(TT, CPU, FS), CPUString(CPU.str()),
+ InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM),
+ TSInfo(*TM.getDataLayout()), FrameLowering() {
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUString);
- if (EnableMemOps)
+ // UseMemOps on by default unless disabled explicitly
+ if (DisableMemOps)
+ UseMemOps = false;
+ else if (EnableMemOps)
UseMemOps = true;
else
UseMemOps = false;
ModeIEEERndNear = false;
}
+// Pin the vtable to this file.
+void HexagonSubtarget::anchor() {}