diff --git a/src/cmd/compile/internal/ssa/_gen/MIPS64Ops.go b/src/cmd/compile/internal/ssa/_gen/MIPS64Ops.go
index 571172d803..132d8bbd87 100644
--- a/src/cmd/compile/internal/ssa/_gen/MIPS64Ops.go
+++ b/src/cmd/compile/internal/ssa/_gen/MIPS64Ops.go
@@ -275,7 +275,7 @@ func init() {
 		// function calls
 		{name: "CALLstatic", argLength: 1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true},                                               // call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem
 		{name: "CALLtail", argLength: 1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},                                 // tail call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem
-		{name: "CALLtailinter", argLength: 1, reg: regInfo{inputs: []regMask{gp}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},     // tail call fn by pointer.  arg0=codeptr, arg1=mem, auxint=argsize, returns mem
+		{name: "CALLtailinter", argLength: 2, reg: regInfo{inputs: []regMask{gp}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},     // tail call fn by pointer.  arg0=codeptr, arg1=mem, auxint=argsize, returns mem
 		{name: "CALLclosure", argLength: 3, reg: regInfo{inputs: []regMask{gpsp, buildReg("R22"), 0}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call function via closure.  arg0=codeptr, arg1=closure, arg2=mem, auxint=argsize, returns mem
 		{name: "CALLinter", argLength: 2, reg: regInfo{inputs: []regMask{gp}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true},                         // call fn by pointer.  arg0=codeptr, arg1=mem, auxint=argsize, returns mem
 
diff --git a/src/cmd/compile/internal/ssa/opGen.go b/src/cmd/compile/internal/ssa/opGen.go
index 96bb288a96..2fcf8d4dcd 100644
--- a/src/cmd/compile/internal/ssa/opGen.go
+++ b/src/cmd/compile/internal/ssa/opGen.go
@@ -75418,7 +75418,7 @@ var opcodeTable = [...]opInfo{
 	{
 		name:         "CALLtailinter",
 		auxType:      auxCallOff,
-		argLen:       1,
+		argLen:       2,
 		clobberFlags: true,
 		call:         true,
 		tailCall:     true,