diff options
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 2d41d7f3485..70fa6b3f1bf 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -2335,7 +2335,8 @@ class X86TargetInfo : public TargetInfo { public: X86TargetInfo(const llvm::Triple &Triple) : TargetInfo(Triple) { BigEndian = false; - LongDoubleFormat = &llvm::APFloat::x87DoubleExtended; + LongDoubleFormat = Triple.isOSIAMCU() ? &llvm::APFloat::IEEEdouble + : &llvm::APFloat::x87DoubleExtended; } unsigned getFloatEvalMethod() const override { // X87 evaluates with 80 bits "long double" precision. @@ -3370,6 +3371,11 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts, } if (CPU >= CK_i586) Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8"); + + if (getTriple().isOSIAMCU()) { + Builder.defineMacro("__iamcu"); + Builder.defineMacro("__iamcu__"); + } } bool X86TargetInfo::hasFeature(StringRef Feature) const { |
