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Fix MSIZE and memory resize step [Delivers #81777708]

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This commit is contained in:
Paweł Bylica 2014-10-30 17:32:20 +01:00
parent 85f67a5582
commit 43093d6559
1 changed files with 2 additions and 1 deletions
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3
libevmjit/Memory.cpp
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@ -74,7 +74,8 @@ llvm::Function* Memory::createRequireFunc(GasMeter& _gasMeter, RuntimeManager& _
m_builder.SetInsertPoint(resizeBB);
// Check gas first
auto wordsRequired = m_builder.CreateUDiv(m_builder.CreateAdd(sizeRequired, Constant::get(31)), Constant::get(32), "wordsRequired");
auto words = m_builder.CreateUDiv(m_builder.CreateAdd(size, Constant::get(31)), Constant::get(32), "words");
sizeRequired = m_builder.CreateMul(wordsRequired, Constant::get(32), "roundedSizeRequired");
auto words = m_builder.CreateUDiv(size, Constant::get(32), "words"); // size is always 32*k
auto newWords = m_builder.CreateSub(wordsRequired, words, "addtionalWords");
_gasMeter.checkMemory(newWords, m_builder);
// Resize