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core/vm: optimize jumpdest analysis (#23500)

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core/vm: optimize PUSH opcode discrimination
This commit is contained in:
Paweł Bylica 2022-06-03 10:40:14 +02:00 committed by GitHub
parent b453767ccd
commit 997f1c4f0a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
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core/vm/analysis.go
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@ -76,7 +76,7 @@ func codeBitmapInternal(code, bits bitvec) bitvec {
for pc := uint64(0); pc < uint64(len(code)); {
op := OpCode(code[pc])
pc++
if op < PUSH1 || op > PUSH32 {
if int8(op) < int8(PUSH1) { // If not PUSH (the int8(op) > int(PUSH32) is always false).
continue
}
numbits := op - PUSH1 + 1