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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-02-12 22:48:46 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2017-07-03 06:40:51 +0800 |
| commit | 68b0ac4fdd86b02d9a12c762b5cf57d5873da82a (patch) | |
| tree | cc5b43cc4c0323371e8be377c6fd1caeb4236b8e /libsolidity | |
| parent | 8fd1d4167d2d05363ecf6af7ada42da940199900 (diff) | |
| download | dexon-solidity-68b0ac4fdd86b02d9a12c762b5cf57d5873da82a.tar.gz dexon-solidity-68b0ac4fdd86b02d9a12c762b5cf57d5873da82a.tar.zst dexon-solidity-68b0ac4fdd86b02d9a12c762b5cf57d5873da82a.zip | |
More uses of shift helper
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index 8ea86684..94be90ab 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -353,13 +353,16 @@ void CompilerUtils::splitExternalFunctionType(bool _leftAligned) // address (right aligned), function identifier (right aligned) if (_leftAligned) { - m_context << Instruction::DUP1 << (u256(1) << (64 + 32)) << Instruction::SWAP1 << Instruction::DIV; + m_context << Instruction::DUP1; + rightShiftNumberOnStack(64 + 32, false); // <input> <address> - m_context << Instruction::SWAP1 << (u256(1) << 64) << Instruction::SWAP1 << Instruction::DIV; + m_context << Instruction::SWAP1; + rightShiftNumberOnStack(64, false); } else { - m_context << Instruction::DUP1 << (u256(1) << 32) << Instruction::SWAP1 << Instruction::DIV; + m_context << Instruction::DUP1; + rightShiftNumberOnStack(32, false); m_context << ((u256(1) << 160) - 1) << Instruction::AND << Instruction::SWAP1; } m_context << u256(0xffffffffUL) << Instruction::AND; @@ -383,11 +386,12 @@ void CompilerUtils::pushCombinedFunctionEntryLabel(Declaration const& _function) // If there is a runtime context, we have to merge both labels into the same // stack slot in case we store it in storage. if (CompilerContext* rtc = m_context.runtimeContext()) + { + leftShiftNumberOnStack(32); m_context << - (u256(1) << 32) << - Instruction::MUL << rtc->functionEntryLabel(_function).toSubAssemblyTag(m_context.runtimeSub()) << Instruction::OR; + } } void CompilerUtils::convertType( @@ -1029,7 +1033,7 @@ unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWords) convertType(_type, _type, true); if (numBytes != 32 && !leftAligned && !_padToWords) // shift the value accordingly before storing - m_context << (u256(1) << ((32 - numBytes) * 8)) << Instruction::MUL; + leftShiftNumberOnStack((32 - numBytes) * 8); } return numBytes; } |