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| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2020-01-04 00:39:07 +0100 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2020-02-04 10:32:45 -0500 |
| commit | 563e84790f41f9f71c3cb10d0bb9feaa7a339c36 (patch) | |
| tree | ccfde6817db299ddfa3d0d9194f99137900a6d71 /clang/lib/CodeGen/TargetInfo.cpp | |
| parent | 191a9a78b3f4bdf35a30d3480bd630d787a2fdf6 (diff) | |
| download | llvm-563e84790f41f9f71c3cb10d0bb9feaa7a339c36.zip llvm-563e84790f41f9f71c3cb10d0bb9feaa7a339c36.tar.gz llvm-563e84790f41f9f71c3cb10d0bb9feaa7a339c36.tar.bz2 | |
[SystemZ] Support -msoft-float
This is needed when building the Linux kernel.
Review: Ulrich Weigand
Differential Revision: https://reviews.llvm.org/D72189
Diffstat (limited to 'clang/lib/CodeGen/TargetInfo.cpp')
| -rw-r--r-- | clang/lib/CodeGen/TargetInfo.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp index c803785..94d0f3d 100644 --- a/clang/lib/CodeGen/TargetInfo.cpp +++ b/clang/lib/CodeGen/TargetInfo.cpp @@ -6565,10 +6565,11 @@ namespace { class SystemZABIInfo : public SwiftABIInfo { bool HasVector; + bool IsSoftFloatABI; public: - SystemZABIInfo(CodeGenTypes &CGT, bool HV) - : SwiftABIInfo(CGT), HasVector(HV) {} + SystemZABIInfo(CodeGenTypes &CGT, bool HV, bool SF) + : SwiftABIInfo(CGT), HasVector(HV), IsSoftFloatABI(SF) {} bool isPromotableIntegerType(QualType Ty) const; bool isCompoundType(QualType Ty) const; @@ -6600,8 +6601,8 @@ public: class SystemZTargetCodeGenInfo : public TargetCodeGenInfo { public: - SystemZTargetCodeGenInfo(CodeGenTypes &CGT, bool HasVector) - : TargetCodeGenInfo(new SystemZABIInfo(CGT, HasVector)) {} + SystemZTargetCodeGenInfo(CodeGenTypes &CGT, bool HasVector, bool SoftFloatABI) + : TargetCodeGenInfo(new SystemZABIInfo(CGT, HasVector, SoftFloatABI)) {} }; } @@ -6640,6 +6641,9 @@ bool SystemZABIInfo::isVectorArgumentType(QualType Ty) const { } bool SystemZABIInfo::isFPArgumentType(QualType Ty) const { + if (IsSoftFloatABI) + return false; + if (const BuiltinType *BT = Ty->getAs<BuiltinType>()) switch (BT->getKind()) { case BuiltinType::Float: @@ -6725,7 +6729,7 @@ Address SystemZABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, } else { if (AI.getCoerceToType()) ArgTy = AI.getCoerceToType(); - InFPRs = ArgTy->isFloatTy() || ArgTy->isDoubleTy(); + InFPRs = (!IsSoftFloatABI && (ArgTy->isFloatTy() || ArgTy->isDoubleTy())); IsVector = ArgTy->isVectorTy(); UnpaddedSize = TyInfo.first; DirectAlign = TyInfo.second; @@ -9900,8 +9904,9 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() { } case llvm::Triple::systemz: { - bool HasVector = getTarget().getABI() == "vector"; - return SetCGInfo(new SystemZTargetCodeGenInfo(Types, HasVector)); + bool SoftFloat = CodeGenOpts.FloatABI == "soft"; + bool HasVector = !SoftFloat && getTarget().getABI() == "vector"; + return SetCGInfo(new SystemZTargetCodeGenInfo(Types, HasVector, SoftFloat)); } case llvm::Triple::tce: |