diff options
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 8 | ||||
| -rw-r--r-- | clang/test/CodeGen/x86_32-arguments-iamcu.c | 4 | ||||
| -rw-r--r-- | clang/test/Preprocessor/elfiamcu-predefines.c | 5 |
3 files changed, 16 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 { diff --git a/clang/test/CodeGen/x86_32-arguments-iamcu.c b/clang/test/CodeGen/x86_32-arguments-iamcu.c index 5b177bf8c63..bac2fb71a08 100644 --- a/clang/test/CodeGen/x86_32-arguments-iamcu.c +++ b/clang/test/CodeGen/x86_32-arguments-iamcu.c @@ -56,3 +56,7 @@ st12_t retLargeStruct(int i1, st12_t r) { return r; } // insane. // CHECK-LABEL: define i32 @varArgs(i32 inreg %i1, ...) int varArgs(int i1, ...) { return i1; } + +// CHECK-LABEL: define double @longDoubleArg(double %ld1) +long double longDoubleArg(long double ld1) { return ld1; } + diff --git a/clang/test/Preprocessor/elfiamcu-predefines.c b/clang/test/Preprocessor/elfiamcu-predefines.c new file mode 100644 index 00000000000..af5e40e3c8a --- /dev/null +++ b/clang/test/Preprocessor/elfiamcu-predefines.c @@ -0,0 +1,5 @@ +// RUN: %clang_cc1 -E -dM -triple i586-intel-elfiamcu | FileCheck %s + +// CHECK: #define __iamcu +// CHECK: #define __iamcu__ + |
