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| author | Andrey Bokhanko <andreybokhanko@gmail.com> | 2015-11-02 09:54:17 +0000 |
|---|---|---|
| committer | Andrey Bokhanko <andreybokhanko@gmail.com> | 2015-11-02 09:54:17 +0000 |
| commit | 158b8b898c2378cf0acbf9d3d73b5aae5f79e82e (patch) | |
| tree | dd5ebdedfdd2b0ec2c6119d5134973c5d51ac67e /clang/lib/Basic | |
| parent | 9d8bbada54a67788b1a3417cdf4718613b344601 (diff) | |
| download | bcm5719-llvm-158b8b898c2378cf0acbf9d3d73b5aae5f79e82e.tar.gz bcm5719-llvm-158b8b898c2378cf0acbf9d3d73b5aae5f79e82e.zip | |
[x86] Front-end part of MCU psABI support
This patch implements two things in front-end for MCU psABI support:
1) "long double type is the same as double."
2) "New predefined C/C++ pre-processor symbols: iamcu and iamcu__.
Differential Revision: http://reviews.llvm.org/D14205
llvm-svn: 251786
Diffstat (limited to 'clang/lib/Basic')
| -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 { |
