Add a -no-implicit-float flag. This acts like -soft-float, but may generate
floating point instructions that are explicitly specified by the user.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 49f1e4d..2aed083 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -29,6 +29,7 @@
bool FiniteOnlyFPMathOption;
bool HonorSignDependentRoundingFPMathOption;
bool UseSoftFloat;
+ bool NoImplicitFloat;
bool NoZerosInBSS;
bool ExceptionHandling;
bool UnwindTablesMandatory;
@@ -43,61 +44,64 @@
bool DisableRedZone;
}
-static cl::opt<bool, true> PrintCode("print-machineinstrs",
+static cl::opt<bool, true>
+PrintCode("print-machineinstrs",
cl::desc("Print generated machine code"),
cl::location(PrintMachineCode), cl::init(false));
-
static cl::opt<bool, true>
DisableFPElim("disable-fp-elim",
- cl::desc("Disable frame pointer elimination optimization"),
- cl::location(NoFramePointerElim),
- cl::init(false));
+ cl::desc("Disable frame pointer elimination optimization"),
+ cl::location(NoFramePointerElim),
+ cl::init(false));
static cl::opt<bool, true>
DisableExcessPrecision("disable-excess-fp-precision",
- cl::desc("Disable optimizations that may increase FP precision"),
- cl::location(NoExcessFPPrecision),
- cl::init(false));
+ cl::desc("Disable optimizations that may increase FP precision"),
+ cl::location(NoExcessFPPrecision),
+ cl::init(false));
static cl::opt<bool, true>
EnableUnsafeFPMath("enable-unsafe-fp-math",
- cl::desc("Enable optimizations that may decrease FP precision"),
- cl::location(UnsafeFPMath),
- cl::init(false));
+ cl::desc("Enable optimizations that may decrease FP precision"),
+ cl::location(UnsafeFPMath),
+ cl::init(false));
static cl::opt<bool, true>
EnableFiniteOnlyFPMath("enable-finite-only-fp-math",
- cl::desc("Enable optimizations that assumes non- NaNs / +-Infs"),
- cl::location(FiniteOnlyFPMathOption),
- cl::init(false));
+ cl::desc("Enable optimizations that assumes non- NaNs / +-Infs"),
+ cl::location(FiniteOnlyFPMathOption),
+ cl::init(false));
static 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));
-
+EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math",
+ cl::Hidden,
+ cl::desc("Force codegen to assume rounding mode can change dynamically"),
+ cl::location(HonorSignDependentRoundingFPMathOption),
+ cl::init(false));
static cl::opt<bool, true>
GenerateSoftFloatCalls("soft-float",
- cl::desc("Generate software floating point library calls"),
- cl::location(UseSoftFloat),
- cl::init(false));
+ cl::desc("Generate software floating point library calls"),
+ cl::location(UseSoftFloat),
+ cl::init(false));
+static cl::opt<bool, true>
+GenerateNoImplicitFloats("no-implicit-float",
+ cl::desc("Don't generate implicit floating point instructions (x86-only)"),
+ cl::location(NoImplicitFloat),
+ cl::init(false));
static 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::desc("Don't place zero-initialized symbols into bss section"),
+ cl::location(NoZerosInBSS),
+ cl::init(false));
static cl::opt<bool, true>
EnableExceptionHandling("enable-eh",
- cl::desc("Emit DWARF exception handling (default if target supports)"),
- cl::location(ExceptionHandling),
- cl::init(false));
+ cl::desc("Emit DWARF exception handling (default if target supports)"),
+ cl::location(ExceptionHandling),
+ cl::init(false));
static cl::opt<bool, true>
EnableUnwindTables("unwind-tables",
- cl::desc("Generate unwinding tables for all functions"),
- cl::location(UnwindTablesMandatory),
- cl::init(false));
+ cl::desc("Generate unwinding tables for all functions"),
+ cl::location(UnwindTablesMandatory),
+ cl::init(false));
static cl::opt<llvm::Reloc::Model, true>
-DefRelocationModel(
- "relocation-model",
+DefRelocationModel("relocation-model",
cl::desc("Choose relocation model"),
cl::location(RelocationModel),
cl::init(Reloc::Default),
@@ -112,8 +116,7 @@
"Relocatable external references, non-relocatable code"),
clEnumValEnd));
static cl::opt<llvm::CodeModel::Model, true>
-DefCodeModel(
- "code-model",
+DefCodeModel("code-model",
cl::desc("Choose code model"),
cl::location(CMModel),
cl::init(CodeModel::Default),
@@ -129,47 +132,40 @@
clEnumValN(CodeModel::Large, "large",
"Large code model"),
clEnumValEnd));
-
static cl::opt<bool, true>
EnablePerformTailCallOpt("tailcallopt",
- cl::desc("Turn on tail call optimization."),
- cl::location(PerformTailCallOpt),
- cl::init(false));
-
+ cl::desc("Turn on tail call optimization."),
+ cl::location(PerformTailCallOpt),
+ cl::init(false));
static cl::opt<unsigned, true>
OverrideStackAlignment("stack-alignment",
- cl::desc("Override default stack alignment"),
- cl::location(StackAlignment),
- cl::init(0));
-
+ cl::desc("Override default stack alignment"),
+ cl::location(StackAlignment),
+ cl::init(0));
static cl::opt<bool, true>
EnableRealignStack("realign-stack",
- cl::desc("Realign stack if needed"),
- cl::location(RealignStack),
- cl::init(true));
-
+ cl::desc("Realign stack if needed"),
+ cl::location(RealignStack),
+ cl::init(true));
static cl::opt<bool, true>
AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
- cl::location(VerboseAsm),
- cl::init(false));
-
+ cl::location(VerboseAsm),
+ cl::init(false));
static cl::opt<bool, true>
DisableSwitchTables(cl::Hidden, "disable-jump-tables",
- cl::desc("Do not generate jump tables."),
- cl::location(DisableJumpTables),
- cl::init(false));
-
+ cl::desc("Do not generate jump tables."),
+ cl::location(DisableJumpTables),
+ cl::init(false));
static cl::opt<bool, true>
EnableStrongPHIElim(cl::Hidden, "strong-phi-elim",
- cl::desc("Use strong PHI elimination."),
- cl::location(StrongPHIElim),
- cl::init(false));
-
+ cl::desc("Use strong PHI elimination."),
+ cl::location(StrongPHIElim),
+ cl::init(false));
static cl::opt<bool, true>
DisableRedZoneOption("disable-red-zone",
- cl::desc("Do not emit code that uses the red zone."),
- cl::location(DisableRedZone),
- cl::init(false));
+ cl::desc("Do not emit code that uses the red zone."),
+ cl::location(DisableRedZone),
+ cl::init(false));
//---------------------------------------------------------------------------
// TargetMachine Class