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Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/SparcSubtarget.h')
-rw-r--r-- | contrib/llvm/lib/Target/Sparc/SparcSubtarget.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcSubtarget.h b/contrib/llvm/lib/Target/Sparc/SparcSubtarget.h new file mode 100644 index 000000000000..0f81cc960f82 --- /dev/null +++ b/contrib/llvm/lib/Target/Sparc/SparcSubtarget.h @@ -0,0 +1,73 @@ +//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the SPARC specific subclass of TargetSubtargetInfo. +// +//===----------------------------------------------------------------------===// + +#ifndef SPARC_SUBTARGET_H +#define SPARC_SUBTARGET_H + +#include "llvm/Target/TargetSubtargetInfo.h" +#include <string> + +#define GET_SUBTARGETINFO_HEADER +#include "SparcGenSubtargetInfo.inc" + +namespace llvm { +class StringRef; + +class SparcSubtarget : public SparcGenSubtargetInfo { + virtual void anchor(); + bool IsV9; + bool V8DeprecatedInsts; + bool IsVIS; + bool Is64Bit; + bool HasHardQuad; + +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; } + bool hasHardQuad() const { return HasHardQuad; } + + /// ParseSubtargetFeatures - Parses features string setting specified + /// subtarget options. Definition of function is auto generated by tblgen. + 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 + +#endif |