mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 07:22:55 +01:00
53 lines
2.3 KiB
C++
53 lines
2.3 KiB
C++
//===-- llvm/Target/TargetOptions.h - Target Options ------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines command line option flags that are shared across various
|
|
// targets.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TARGET_TARGETOPTIONS_H
|
|
#define LLVM_TARGET_TARGETOPTIONS_H
|
|
|
|
namespace llvm {
|
|
/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
|
|
/// option is specified on the command line, and should enable debugging
|
|
/// output from the code generator.
|
|
extern bool PrintMachineCode;
|
|
|
|
/// NoFramePointerElim - This flag is enabled when the -disable-fp-elim is
|
|
/// specified on the command line. If the target supports the frame pointer
|
|
/// elimination optimization, this option should disable it.
|
|
extern bool NoFramePointerElim;
|
|
|
|
/// NoExcessFPPrecision - This flag is enabled when the
|
|
/// -disable-excess-fp-precision flag is specified on the command line. When
|
|
/// this flag is off (the default), the code generator is allowed to produce
|
|
/// results that are "more precise" than IEEE allows. This includes use of
|
|
/// FMA-like operations and use of the X86 FP registers without rounding all
|
|
/// over the place.
|
|
extern bool NoExcessFPPrecision;
|
|
|
|
/// PatternISelTriState - This flag is enabled when -pattern-isel=X is
|
|
/// specified on the command line. The default value is 2, in which case the
|
|
/// target chooses what is best for it. Setting X to 0 forces the use of
|
|
/// a simple ISel if available, while setting it to 1 forces the use of a
|
|
/// pattern ISel if available.
|
|
extern int PatternISelTriState;
|
|
|
|
/// UnsafeFPMath - This flag is enabled when the
|
|
/// -enable-unsafe-fp-math flag is specified on the command line. When
|
|
/// this flag is off (the default), the code generator is not allowed to
|
|
/// produce results that are "less precise" than IEEE allows. This includes
|
|
/// use of X86 instructions like FSIN and FCOS instead of libcalls.
|
|
extern bool UnsafeFPMath;
|
|
} // End llvm namespace
|
|
|
|
#endif
|