core/vm: update gas cost of CLZ to five (#32172)

fjl · web-flow · commit efbba965b5bf · 2025-07-09T08:46:59.000+08:00
ethereum/EIPs@a794de3
diff --git a/core/vm/eips.go b/core/vm/eips.go
@@ -311,10 +311,11 @@ func enable4844(jt *JumpTable) {
 	}
 }
 
+// enable7939 enables EIP-7939 (CLZ opcode)
 func enable7939(jt *JumpTable) {
 	jt[CLZ] = &operation{
 		execute:     opCLZ,
-		constantGas: GasFastestStep,
+		constantGas: GasFastStep,
 		minStack:    minStack(1, 1),
 		maxStack:    maxStack(1, 1),
 	}

Original file line number	Diff line number	Diff line change
`@@ -311,10 +311,11 @@ func enable4844(jt *JumpTable) {`
`311`	`311`	`}`
`312`	`312`	`}`
`313`	`313`
	`314`	`+// enable7939 enables EIP-7939 (CLZ opcode)`
`314`	`315`	`func enable7939(jt *JumpTable) {`
`315`	`316`	`jt[CLZ] = &operation{`
`316`	`317`	`execute: opCLZ,`
`317`		`- constantGas: GasFastestStep,`
	`318`	`+ constantGas: GasFastStep,`
`318`	`319`	`minStack: minStack(1, 1),`
`319`	`320`	`maxStack: maxStack(1, 1),`
`320`	`321`	`}`