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//===-- SPU.h - Top-level interface for Cell SPU Target ----------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// Cell SPU back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_IBMCELLSPU_H
#define LLVM_TARGET_IBMCELLSPU_H
#include "llvm/System/DataTypes.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class SPUTargetMachine;
class FunctionPass;
class formatted_raw_ostream;
FunctionPass *createSPUISelDag(SPUTargetMachine &TM);
/*--== Utility functions/predicates/etc used all over the place: --==*/
//! Predicate test for a signed 10-bit value
/*!
\param Value The input value to be tested
This predicate tests for a signed 10-bit value, returning the 10-bit value
as a short if true.
*/
template<typename T>
inline bool isS10Constant(T Value);
template<>
inline bool isS10Constant<short>(short Value) {
int SExtValue = ((int) Value << (32 - 10)) >> (32 - 10);
return ((Value > 0 && Value <= (1 << 9) - 1)
|| (Value < 0 && (short) SExtValue == Value));
}
template<>
inline bool isS10Constant<int>(int Value) {
return (Value >= -(1 << 9) && Value <= (1 << 9) - 1);
}
template<>
inline bool isS10Constant<uint32_t>(uint32_t Value) {
return (Value <= ((1 << 9) - 1));
}
template<>
inline bool isS10Constant<int64_t>(int64_t Value) {
return (Value >= -(1 << 9) && Value <= (1 << 9) - 1);
}
template<>
inline bool isS10Constant<uint64_t>(uint64_t Value) {
return (Value <= ((1 << 9) - 1));
}
//! Predicate test for an unsigned 10-bit value
/*!
\param Value The input value to be tested
*/
inline bool isU10Constant(short Value) {
return (Value == (Value & 0x3ff));
}
inline bool isU10Constant(int Value) {
return (Value == (Value & 0x3ff));
}
inline bool isU10Constant(uint32_t Value) {
return (Value == (Value & 0x3ff));
}
inline bool isU10Constant(int64_t Value) {
return (Value == (Value & 0x3ff));
}
inline bool isU10Constant(uint64_t Value) {
return (Value == (Value & 0x3ff));
}
//! Predicate test for a signed 14-bit value
/*!
\param Value The input value to be tested
*/
template<typename T>
inline bool isS14Constant(T Value);
template<>
inline bool isS14Constant<short>(short Value) {
return (Value >= -(1 << 13) && Value <= (1 << 13) - 1);
}
template<>
inline bool isS14Constant<int>(int Value) {
return (Value >= -(1 << 13) && Value <= (1 << 13) - 1);
}
template<>
inline bool isS14Constant<uint32_t>(uint32_t Value) {
return (Value <= ((1 << 13) - 1));
}
template<>
inline bool isS14Constant<int64_t>(int64_t Value) {
return (Value >= -(1 << 13) && Value <= (1 << 13) - 1);
}
template<>
inline bool isS14Constant<uint64_t>(uint64_t Value) {
return (Value <= ((1 << 13) - 1));
}
//! Predicate test for a signed 16-bit value
/*!
\param Value The input value to be tested
*/
template<typename T>
inline bool isS16Constant(T Value);
template<>
inline bool isS16Constant<short>(short Value) {
return true;
}
template<>
inline bool isS16Constant<int>(int Value) {
return (Value >= -(1 << 15) && Value <= (1 << 15) - 1);
}
template<>
inline bool isS16Constant<uint32_t>(uint32_t Value) {
return (Value <= ((1 << 15) - 1));
}
template<>
inline bool isS16Constant<int64_t>(int64_t Value) {
return (Value >= -(1 << 15) && Value <= (1 << 15) - 1);
}
template<>
inline bool isS16Constant<uint64_t>(uint64_t Value) {
return (Value <= ((1 << 15) - 1));
}
extern Target TheCellSPUTarget;
}
// Defines symbolic names for the SPU instructions.
//
#include "SPUGenInstrNames.inc"
#endif /* LLVM_TARGET_IBMCELLSPU_H */
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