forked from OSchip/llvm-project
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
//===-- SPUSubtarget.h - Define Subtarget for the Cell SPU ------*- 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 Cell SPU-specific subclass of TargetSubtarget.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef CELLSUBTARGET_H
|
|
#define CELLSUBTARGET_H
|
|
|
|
#include "llvm/Target/TargetInstrItineraries.h"
|
|
#include "llvm/Target/TargetSubtarget.h"
|
|
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
class Module;
|
|
class GlobalValue;
|
|
class TargetMachine;
|
|
|
|
namespace SPU {
|
|
enum {
|
|
DEFAULT_PROC
|
|
};
|
|
}
|
|
|
|
class SPUSubtarget : public TargetSubtarget {
|
|
protected:
|
|
const TargetMachine &TM;
|
|
|
|
/// stackAlignment - The minimum alignment known to hold of the stack frame
|
|
/// on entry to the function and which must be maintained by every function.
|
|
unsigned StackAlignment;
|
|
|
|
/// Selected instruction itineraries (one entry per itinerary class.)
|
|
InstrItineraryData InstrItins;
|
|
|
|
/// Which SPU processor (this isn't really used, but it's there to keep
|
|
/// the C compiler happy)
|
|
unsigned ProcDirective;
|
|
|
|
/// Use (assume) large memory -- effectively disables the LQA/STQA
|
|
/// instructions that assume 259K local store.
|
|
bool UseLargeMem;
|
|
|
|
public:
|
|
/// This constructor initializes the data members to match that
|
|
/// of the specified module.
|
|
///
|
|
SPUSubtarget(const TargetMachine &TM, const Module &M,
|
|
const std::string &FS);
|
|
|
|
/// 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);
|
|
|
|
/// SetJITMode - This is called to inform the subtarget info that we are
|
|
/// producing code for the JIT.
|
|
void SetJITMode();
|
|
|
|
/// getStackAlignment - Returns the minimum alignment known to hold of the
|
|
/// stack frame on entry to the function and which must be maintained by
|
|
/// every function for this subtarget.
|
|
unsigned getStackAlignment() const { return StackAlignment; }
|
|
|
|
/// getInstrItins - Return the instruction itineraies based on subtarget
|
|
/// selection.
|
|
const InstrItineraryData &getInstrItineraryData() const {
|
|
return InstrItins;
|
|
}
|
|
|
|
/// Use large memory addressing predicate
|
|
bool usingLargeMem() const {
|
|
return UseLargeMem;
|
|
}
|
|
|
|
/// getTargetDataString - Return the pointer size and type alignment
|
|
/// properties of this subtarget.
|
|
const char *getTargetDataString() const {
|
|
return "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128"
|
|
"-i16:16:128-i8:8:128-i1:8:128-a:0:128-v128:128:128"
|
|
"-s:128:128";
|
|
}
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif
|