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comparison gen/llvmhelpers.cpp @ 480:fc12214ba4a1

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Zero out padding of fp80.
author Christian Kamm <kamm incasoftware de>
date Tue, 05 Aug 2008 20:10:12 +0200
parents 672eb4893b55
children 18480579dc04
comparison
equal deleted inserted replaced
479:672eb4893b55 480:fc12214ba4a1
89 ////////////////////////////////////////////////////////////////////////////////////////*/ 89 ////////////////////////////////////////////////////////////////////////////////////////*/
90 90
91 91
92 llvm::AllocaInst* DtoAlloca(const LLType* lltype, const std::string& name) 92 llvm::AllocaInst* DtoAlloca(const LLType* lltype, const std::string& name)
93 { 93 {
94 if(lltype == LLType::X86_FP80Ty)
95 {
96 llvm::AllocaInst* alloca = new llvm::AllocaInst(lltype, name, gIR->topallocapoint());
97 LLValue* castv = new llvm::BitCastInst(alloca, getPtrToType(LLType::Int16Ty), "fp80toi16", gIR->scopebb());
98 LLValue* padding = DtoGEPi1(castv, 5, "fp80padding");
99 new llvm::StoreInst(llvm::Constant::getNullValue(LLType::Int16Ty), padding, gIR->scopebb());
100
101 return alloca;
102 }
103
94 return new llvm::AllocaInst(lltype, name, gIR->topallocapoint()); 104 return new llvm::AllocaInst(lltype, name, gIR->topallocapoint());
95 } 105 }
96 106
97 llvm::AllocaInst* DtoAlloca(const LLType* lltype, LLValue* arraysize, const std::string& name) 107 llvm::AllocaInst* DtoAlloca(const LLType* lltype, LLValue* arraysize, const std::string& name)
98 { 108 {
109 assert(lltype != LLType::X86_FP80Ty && "Zero-init of fp80 padding for array allocas not yet implemented");
99 return new llvm::AllocaInst(lltype, arraysize, name, gIR->topallocapoint()); 110 return new llvm::AllocaInst(lltype, arraysize, name, gIR->topallocapoint());
100 } 111 }
101 112
102 113
103 /****************************************************************************************/ 114 /****************************************************************************************/