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authorYoichi Hirai <i@yoichihirai.com>2016-11-21 23:41:02 +0800
committerYoichi Hirai <i@yoichihirai.com>2016-11-25 22:44:36 +0800
commit56d664108614fa8fdf63a02d8f605bf5afcd0837 (patch)
tree722952459f301d9a4eac8bb73c38fe85d3300195 /libsolidity
parent5b8a77398608689088938454583d284afd58ab50 (diff)
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codegen: cleanup stored values in a more consistent way
Diffstat (limited to 'libsolidity')
-rw-r--r--libsolidity/codegen/LValue.cpp20
1 files changed, 16 insertions, 4 deletions
diff --git a/libsolidity/codegen/LValue.cpp b/libsolidity/codegen/LValue.cpp
index 933c0419..78854588 100644
--- a/libsolidity/codegen/LValue.cpp
+++ b/libsolidity/codegen/LValue.cpp
@@ -216,16 +216,14 @@ void StorageItem::retrieveValue(SourceLocation const&, bool _remove) const
void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _location, bool _move) const
{
CompilerUtils utils(m_context);
+ solAssert(m_dataType, "");
+
// stack: value storage_key storage_offset
if (m_dataType->isValueType())
{
solAssert(m_dataType->storageBytes() <= 32, "Invalid storage bytes size.");
solAssert(m_dataType->storageBytes() > 0, "Invalid storage bytes size.");
- m_context << Instruction::SWAP2;
- CompilerUtils(m_context).convertType(*m_dataType, *m_dataType, true);
- m_context << Instruction::SWAP2;
-
if (m_dataType->storageBytes() == 32)
{
solAssert(m_dataType->sizeOnStack() == 1, "Invalid stack size.");
@@ -233,10 +231,23 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
m_context << Instruction::POP;
if (!_move)
m_context << Instruction::DUP2 << Instruction::SWAP1;
+
+ m_context << Instruction::SWAP1;
+ utils.convertType(_sourceType, _sourceType, true);
+ utils.convertType(*m_dataType, *m_dataType, true);
+ m_context << Instruction::SWAP1;
+
m_context << Instruction::SSTORE;
}
else
{
+ if (_sourceType.sizeOnStack() == 1)
+ {
+ m_context << Instruction::SWAP2;
+ utils.convertType(_sourceType, _sourceType, true);
+ m_context << Instruction::SWAP2;
+ }
+
// OR the value into the other values in the storage slot
m_context << u256(0x100) << Instruction::EXP;
// stack: value storage_ref multiplier
@@ -269,6 +280,7 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
{
solAssert(m_dataType->sizeOnStack() == 1, "Invalid stack size for opaque type.");
// remove the higher order bits
+ utils.convertType(*m_dataType, *m_dataType, true);
m_context
<< (u256(1) << (8 * (32 - m_dataType->storageBytes())))
<< Instruction::SWAP1