llvm-6502/lib/Target/CellSPU/SPU.h
2007-12-15 00:38:50 +00:00

91 lines
2.5 KiB
C++

//===-- SPU.h - Top-level interface for Cell SPU Target ----------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by a team from the Computer Systems Research
// Department at The Aerospace Corporation and 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 <iosfwd>
namespace llvm {
class SPUTargetMachine;
class FunctionPass;
FunctionPass *createSPUISelDag(SPUTargetMachine &TM);
FunctionPass *createSPUAsmPrinterPass(std::ostream &o, 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.
*/
inline bool isS10Constant(short Value) {
int SExtValue = ((int) Value << (32 - 10)) >> (32 - 10);
return ((Value > 0 && Value <= (1 << 9) - 1)
|| (Value < 0 && (short) SExtValue == Value));
}
inline bool isS10Constant(int Value) {
return (Value >= -(1 << 9) && Value <= (1 << 9) - 1);
}
inline bool isS10Constant(uint32_t Value) {
return (Value <= ((1 << 9) - 1));
}
inline bool isS10Constant(int64_t Value) {
return (Value >= -(1 << 9) && Value <= (1 << 9) - 1);
}
inline bool isS10Constant(uint64_t Value) {
return (Value <= ((1 << 9) - 1));
}
//! Predicate test for an unsigned 10-bit value
/*!
\param Value The input value to be tested
This predicate tests for an unsigned 10-bit value, returning the 10-bit value
as a short if true.
*/
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));
}
}
// Defines symbolic names for the SPU instructions.
//
#include "SPUGenInstrNames.inc"
#endif /* LLVM_TARGET_IBMCELLSPU_H */