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Fix u256 to APInt conversion

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This commit is contained in:
Paweł Bylica 2014-10-29 21:56:12 +01:00
parent e6b4761765
commit c6cf723c68
1 changed files with 5 additions and 3 deletions
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8
libevmjit/Type.cpp
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@ -43,9 +43,11 @@ llvm::ConstantInt* Constant::get(uint64_t _n)
llvm::ConstantInt* Constant::get(u256 _n) llvm::ConstantInt* Constant::get(u256 _n)
{ {
auto limbs = _n.backend().limbs(); auto& backend = _n.backend();
auto words = reinterpret_cast<uint64_t*>(limbs); auto words = reinterpret_cast<uint64_t*>(backend.limbs());
llvm::APInt n(256, 4, words); auto nWords = backend.limb_bits == 64 ? backend.size() : (backend.size() + 1) / 2;
llvm::APInt n(256, nWords, words);
assert(n.toString(10, false) == _n.str());
return static_cast<llvm::ConstantInt*>(llvm::ConstantInt::get(Type::i256, n)); return static_cast<llvm::ConstantInt*>(llvm::ConstantInt::get(Type::i256, n));
} }