mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
98a366d547
which better identifies what the optimization is doing. And is more flexible for future uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
//===-- 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/Support/DataTypes.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
|
|
namespace llvm {
|
|
class SPUTargetMachine;
|
|
class FunctionPass;
|
|
class raw_ostream;
|
|
|
|
FunctionPass *createSPUISelDag(SPUTargetMachine &TM);
|
|
FunctionPass *createSPUAsmPrinterPass(raw_ostream &o,
|
|
SPUTargetMachine &tm,
|
|
CodeGenOpt::Level OptLevel,
|
|
bool verbose);
|
|
|
|
/*--== 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
|
|
|
|
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 */
|