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Add stuff for o32 ABI conformance. 

llvm-svn: 132443
This commit is contained in:
Akira Hatanaka 2011-06-02 00:09:17 +00:00
parent b576b1675c
commit b579fe5f15
2 changed files with 64 additions and 3 deletions
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6
clang/lib/Basic/Targets.cpp
View File

@ -2531,7 +2531,9 @@ class MipsTargetInfo : public TargetInfo {
public:
MipsTargetInfo(const std::string& triple) : TargetInfo(triple), ABI("o32") {
DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
"i64:32:64-f32:32:32-f64:64:64-v64:64:64-n32";
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32";
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
}
virtual const char *getABI() const { return ABI.c_str(); }
virtual bool setABI(const std::string &Name) {
@ -2663,7 +2665,7 @@ class MipselTargetInfo : public MipsTargetInfo {
public:
MipselTargetInfo(const std::string& triple) : MipsTargetInfo(triple) {
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
"i64:32:64-f32:32:32-f64:64:64-v64:64:64-n32";
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32";
}
virtual void getTargetDefines(const LangOptions &Opts,

61
clang/lib/CodeGen/TargetInfo.cpp
View File

@ -2858,10 +2858,21 @@ void MSP430TargetCodeGenInfo::SetTargetAttributes(const Decl *D,
//===----------------------------------------------------------------------===//
namespace {
class MipsABIInfo : public ABIInfo {
public:
MipsABIInfo(CodeGenTypes &CGT) : ABIInfo(CGT) {}
ABIArgInfo classifyReturnType(QualType RetTy) const;
ABIArgInfo classifyArgumentType(QualType RetTy) const;
virtual void computeInfo(CGFunctionInfo &FI) const;
virtual llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
CodeGenFunction &CGF) const;
};
class MIPSTargetCodeGenInfo : public TargetCodeGenInfo {
public:
MIPSTargetCodeGenInfo(CodeGenTypes &CGT)
: TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
: TargetCodeGenInfo(new MipsABIInfo(CGT)) {}
int getDwarfEHStackPointer(CodeGen::CodeGenModule &CGM) const {
return 29;
@ -2872,6 +2883,54 @@ public:
};
}
ABIArgInfo MipsABIInfo::classifyArgumentType(QualType Ty) const {
if (isAggregateTypeForABI(Ty)) {
// Ignore empty aggregates.
if (getContext().getTypeSize(Ty) == 0)
return ABIArgInfo::getIgnore();
return ABIArgInfo::getIndirect(0);
}
// Treat an enum type as its underlying type.
if (const EnumType *EnumTy = Ty->getAs<EnumType>())
Ty = EnumTy->getDecl()->getIntegerType();
return (Ty->isPromotableIntegerType() ?
ABIArgInfo::getExtend() : ABIArgInfo::getDirect());
}
ABIArgInfo MipsABIInfo::classifyReturnType(QualType RetTy) const {
if (RetTy->isVoidType())
return ABIArgInfo::getIgnore();
if (isAggregateTypeForABI(RetTy)) {
if (RetTy->isAnyComplexType())
return ABIArgInfo::getDirect();
return ABIArgInfo::getIndirect(0);
}
// Treat an enum type as its underlying type.
if (const EnumType *EnumTy = RetTy->getAs<EnumType>())
RetTy = EnumTy->getDecl()->getIntegerType();
return (RetTy->isPromotableIntegerType() ?
ABIArgInfo::getExtend() : ABIArgInfo::getDirect());
}
void MipsABIInfo::computeInfo(CGFunctionInfo &FI) const {
FI.getReturnInfo() = classifyReturnType(FI.getReturnType());
for (CGFunctionInfo::arg_iterator it = FI.arg_begin(), ie = FI.arg_end();
it != ie; ++it)
it->info = classifyArgumentType(it->type);
}
llvm::Value* MipsABIInfo::EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
CodeGenFunction &CGF) const {
return 0;
}
bool
MIPSTargetCodeGenInfo::initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const {