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libevmasm: generalize ADDPOP optimization into ADDMODPOP etc

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This commit is contained in:
Yoichi Hirai
2016-11-24 18:22:22 +01:00
parent c0fe5fbe9b
commit b6ffb6c8b7
1 changed files with 6 additions and 5 deletions
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libevmasm/PeepholeOptimiser.cpp
+6 -5
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@@ -68,14 +68,15 @@ struct AddPop
{
Instruction i0 = _in[0].instruction();
if (instructionInfo(i0).ret == 1 &&
instructionInfo(i0).args == 2 &&
!SemanticInformation::invalidatesMemory(i0) &&
!SemanticInformation::invalidatesStorage(i0)
!SemanticInformation::invalidatesStorage(i0) &&
!SemanticInformation::altersControlFlow(i0) &&
!instructionInfo(i0).sideEffects
)
{
*_out = Instruction::POP;
*_out = Instruction::POP;
return true;
for (int j = 0; j < instructionInfo(i0).args; j++)
*_out = Instruction::POP;
return true;
}
}
return false;