//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
bool NoExcessFPPrecision;
bool UnsafeFPMath;
bool FiniteOnlyFPMathOption;
+ bool HonorSignDependentRoundingFPMathOption;
+ bool UseSoftFloat;
+ bool NoZerosInBSS;
+ bool ExceptionHandling;
Reloc::Model RelocationModel;
CodeModel::Model CMModel;
+ bool PerformTailCallOpt;
}
namespace {
cl::opt<bool, true> PrintCode("print-machineinstrs",
cl::location(UnsafeFPMath),
cl::init(false));
cl::opt<bool, true>
- EnableFiniteOnltFPMath("enable-finite-only-fp-math",
+ EnableFiniteOnlyFPMath("enable-finite-only-fp-math",
cl::desc("Enable optimizations that assumes non- NaNs / +-Infs"),
cl::location(FiniteOnlyFPMathOption),
cl::init(false));
+ cl::opt<bool, true>
+ EnableHonorSignDependentRoundingFPMath(cl::Hidden,
+ "enable-sign-dependent-rounding-fp-math",
+ cl::desc("Force codegen to assume rounding mode can change dynamically"),
+ cl::location(HonorSignDependentRoundingFPMathOption),
+ cl::init(false));
+
+ cl::opt<bool, true>
+ GenerateSoftFloatCalls("soft-float",
+ cl::desc("Generate software floating point library calls"),
+ cl::location(UseSoftFloat),
+ cl::init(false));
+ cl::opt<bool, true>
+ DontPlaceZerosInBSS("nozero-initialized-in-bss",
+ cl::desc("Don't place zero-initialized symbols into bss section"),
+ cl::location(NoZerosInBSS),
+ cl::init(false));
+ cl::opt<bool, true>
+ EnableExceptionHandling("enable-eh",
+ cl::desc("Exception handling should be emitted."),
+ cl::location(ExceptionHandling),
+ cl::init(false));
+
cl::opt<llvm::Reloc::Model, true>
DefRelocationModel(
"relocation-model",
cl::opt<llvm::CodeModel::Model, true>
DefCodeModel(
"code-model",
- cl::desc("Choose relocation model"),
+ cl::desc("Choose code model"),
cl::location(CMModel),
cl::init(CodeModel::Default),
cl::values(
clEnumValN(CodeModel::Large, "large",
" Large code model"),
clEnumValEnd));
+
+ cl::opt<bool, true>
+ EnablePerformTailCallOpt("tailcallopt",
+ cl::desc("Turn on tail call optimization."),
+ cl::location(PerformTailCallOpt),
+ cl::init(false));
}
//---------------------------------------------------------------------------
/// the code generator is not allowed to assume that FP arithmetic arguments
/// and results are never NaNs or +-Infs.
bool FiniteOnlyFPMath() { return UnsafeFPMath || FiniteOnlyFPMathOption; }
+
+ /// HonorSignDependentRoundingFPMath - Return true if the codegen must assume
+ /// that the rounding mode of the FPU can change from its default.
+ bool HonorSignDependentRoundingFPMath() {
+ return !UnsafeFPMath && HonorSignDependentRoundingFPMathOption;
+ }
}