-//=====-- SparcSubtarget.h - Define Subtarget for the SPARC ----*- C++ -*-====//
+//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#include "SparcGenSubtargetInfo.inc"
namespace llvm {
+class StringRef;
class SparcSubtarget : public SparcGenSubtargetInfo {
+ virtual void anchor();
bool IsV9;
bool V8DeprecatedInsts;
bool IsVIS;
bool Is64Bit;
-
+ bool HasHardQuad;
+ bool UsePopc;
+
public:
SparcSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, bool is64bit);
bool isV9() const { return IsV9; }
bool isVIS() const { return IsVIS; }
bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
-
- /// ParseSubtargetFeatures - Parses features string setting specified
+ bool hasHardQuad() const { return HasHardQuad; }
+ bool usePopc() const { return UsePopc; }
+
+ /// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
- void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
-
+ void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+
bool is64Bit() const { return Is64Bit; }
- std::string getDataLayout() const {
- const char *p;
- if (is64Bit()) {
- p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
- } else {
- p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
- }
- return std::string(p);
+
+ /// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
+ /// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
+ int64_t getStackPointerBias() const {
+ return is64Bit() ? 2047 : 0;
}
+
+ /// Given a actual stack size as determined by FrameInfo, this function
+ /// returns adjusted framesize which includes space for register window
+ /// spills and arguments.
+ int getAdjustedFrameSize(int stackSize) const;
+
};
} // end namespace llvm