#include "llvm/Support/MathExtras.h"
#include "llvm/Support/TargetRegistry.h"
+using namespace llvm;
+
+#define DEBUG_TYPE "sparc-subtarget"
+
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "SparcGenSubtargetInfo.inc"
-using namespace llvm;
-
void SparcSubtarget::anchor() { }
-SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU,
- const std::string &FS, bool is64Bit) :
- SparcGenSubtargetInfo(TT, CPU, FS),
- IsV9(false),
- V8DeprecatedInsts(false),
- IsVIS(false),
- Is64Bit(is64Bit),
- HasHardQuad(false) {
+SparcSubtarget &SparcSubtarget::initializeSubtargetDependencies(StringRef CPU,
+ StringRef FS) {
+ IsV9 = false;
+ V8DeprecatedInsts = false;
+ IsVIS = false;
+ HasHardQuad = false;
+ UsePopc = false;
// Determine default and user specified characteristics
std::string CPUName = CPU;
if (CPUName.empty())
- CPUName = (is64Bit) ? "v9" : "v8";
+ CPUName = (Is64Bit) ? "v9" : "v8";
// Parse features string.
ParseSubtargetFeatures(CPUName, FS);
+
+ // Popc is a v9-only instruction.
+ if (!IsV9)
+ UsePopc = false;
+
+ return *this;
}
+SparcSubtarget::SparcSubtarget(const Triple &TT, const std::string &CPU,
+ const std::string &FS, TargetMachine &TM,
+ bool is64Bit)
+ : SparcGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit),
+ InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
+ FrameLowering(*this) {}
int SparcSubtarget::getAdjustedFrameSize(int frameSize) const {
frameSize += 128;
// Frames with calls must also reserve space for 6 outgoing arguments
// whether they are used or not. LowerCall_64 takes care of that.
- assert(frameSize % 16 == 0 && "Stack size not 16-byte aligned");
+ frameSize = RoundUpToAlignment(frameSize, 16);
} else {
// Emit the correct save instruction based on the number of bytes in
// the frame. Minimum stack frame size according to V8 ABI is:
}
return frameSize;
}
+
+bool SparcSubtarget::enableMachineScheduler() const {
+ return true;
+}