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optimize-push

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This commit is contained in:
itsdevbear 2024-04-12 01:28:50 -04:00
parent bd91810462
commit 06ba0c9e1a
1 changed files with 10 additions and 17 deletions
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27
core/vm/instructions.go
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@ -875,13 +875,12 @@ func makeLog(size int) executionFunc {
func opPush1(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
var (
codeLen = uint64(len(scope.Contract.Code))
integer = new(uint256.Int)
)
*pc += 1
if *pc < codeLen {
scope.Stack.push(integer.SetUint64(uint64(scope.Contract.Code[*pc])))
scope.Stack.push(new(uint256.Int).SetUint64(uint64(scope.Contract.Code[*pc])))
} else {
scope.Stack.push(integer.Clear())
scope.Stack.push(new(uint256.Int).Clear())
}
return nil, nil
}
@ -890,20 +889,14 @@ func opPush1(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
func makePush(size uint64, pushByteSize int) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
codeLen := len(scope.Contract.Code)
startMin := codeLen
if int(*pc+1) < startMin {
startMin = int(*pc + 1)
}
endMin := codeLen
if startMin+pushByteSize < endMin {
endMin = startMin + pushByteSize
}
integer := new(uint256.Int)
scope.Stack.push(integer.SetBytes(common.RightPadBytes(
scope.Contract.Code[startMin:endMin], pushByteSize)))
startMin := min(codeLen, int(*pc+1))
endMin := min(startMin+pushByteSize, codeLen)
scope.Stack.push(new(uint256.Int).SetBytes(
common.RightPadBytes(
scope.Contract.Code[startMin:endMin],
pushByteSize,
)),
)
*pc += size
return nil, nil