cmd/compile: regenerate rewrite rules

Change-Id: I7e921b7b4665ff76dc8bae493b2a49318690770b
Reviewed-on: https://go-review.googlesource.com/c/go/+/168637
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Munday <mike.munday@ibm.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/cmd/compile/internal/ssa/rewrite386.go

@@ -22907,10 +22907,9 @@ func rewriteValue386_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -22926,10 +22925,9 @@ func rewriteValue386_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -22945,10 +22943,9 @@ func rewriteValue386_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}
@@ -22967,11 +22964,10 @@ func rewriteValue386_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendA [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -22988,11 +22984,10 @@ func rewriteValue386_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendB [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -23009,11 +23004,10 @@ func rewriteValue386_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendC [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewrite386splitload.go

@@ -34,18 +34,15 @@ func rewriteValue386splitload(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPBconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPBconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPBconst (MOVBload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(Op386CMPBconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
@@ -59,19 +56,16 @@ func rewriteValue386splitload_Op386CMPBconstload_0(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPBload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPBload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPB (MOVBload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(Op386CMPB)
 		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
 		v0.AuxInt = off
@@ -85,18 +79,15 @@ func rewriteValue386splitload_Op386CMPBload_0(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPLconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPLconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPLconst (MOVLload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(Op386CMPLconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
@@ -110,19 +101,16 @@ func rewriteValue386splitload_Op386CMPLconstload_0(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPLload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPLload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPL (MOVLload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(Op386CMPL)
 		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
 		v0.AuxInt = off
@@ -136,18 +124,15 @@ func rewriteValue386splitload_Op386CMPLload_0(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPWconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPWconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPWconst (MOVWload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(Op386CMPWconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
@@ -161,19 +146,16 @@ func rewriteValue386splitload_Op386CMPWconstload_0(v *Value) bool {
 }
 func rewriteValue386splitload_Op386CMPWload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPWload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPW (MOVWload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(Op386CMPW)
 		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
 		v0.AuxInt = off

src/cmd/compile/internal/ssa/rewriteAMD64.go

@@ -61719,10 +61719,9 @@ func rewriteValueAMD64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -61738,10 +61737,9 @@ func rewriteValueAMD64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -61757,10 +61755,9 @@ func rewriteValueAMD64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}
@@ -61779,11 +61776,10 @@ func rewriteValueAMD64_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendA [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -61800,11 +61796,10 @@ func rewriteValueAMD64_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendB [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -61821,11 +61816,10 @@ func rewriteValueAMD64_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendC [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewriteAMD64splitload.go

@@ -38,18 +38,15 @@ func rewriteValueAMD64splitload(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPBconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPBconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPBconst (MOVBload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(OpAMD64CMPBconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVBload, typ.UInt8)
@@ -63,19 +60,16 @@ func rewriteValueAMD64splitload_OpAMD64CMPBconstload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPBload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPBload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPB (MOVBload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(OpAMD64CMPB)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVBload, typ.UInt8)
 		v0.AuxInt = off
@@ -89,18 +83,15 @@ func rewriteValueAMD64splitload_OpAMD64CMPBload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPLconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPLconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPLconst (MOVLload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(OpAMD64CMPLconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVLload, typ.UInt32)
@@ -114,19 +105,16 @@ func rewriteValueAMD64splitload_OpAMD64CMPLconstload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPLload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPLload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPL (MOVLload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(OpAMD64CMPL)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVLload, typ.UInt32)
 		v0.AuxInt = off
@@ -140,18 +128,15 @@ func rewriteValueAMD64splitload_OpAMD64CMPLload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPQconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPQconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPQconst (MOVQload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(OpAMD64CMPQconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVQload, typ.UInt64)
@@ -165,19 +150,16 @@ func rewriteValueAMD64splitload_OpAMD64CMPQconstload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPQload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPQload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPQ (MOVQload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(OpAMD64CMPQ)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVQload, typ.UInt64)
 		v0.AuxInt = off
@@ -191,18 +173,15 @@ func rewriteValueAMD64splitload_OpAMD64CMPQload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPWconstload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPWconstload {sym} [vo] ptr mem)
 	// cond:
 	// result: (CMPWconst (MOVWload {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])
 	for {
 		vo := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[1]
-		ptr := v.Args[0]
 		mem := v.Args[1]
+		ptr := v.Args[0]
 		v.reset(OpAMD64CMPWconst)
 		v.AuxInt = valOnly(vo)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVWload, typ.UInt16)
@@ -216,19 +195,16 @@ func rewriteValueAMD64splitload_OpAMD64CMPWconstload_0(v *Value) bool {
 }
 func rewriteValueAMD64splitload_OpAMD64CMPWload_0(v *Value) bool {
 	b := v.Block
-	_ = b
 	typ := &b.Func.Config.Types
-	_ = typ
 	// match: (CMPWload {sym} [off] ptr x mem)
 	// cond:
 	// result: (CMPW (MOVWload {sym} [off] ptr mem) x)
 	for {
 		off := v.AuxInt
 		sym := v.Aux
-		_ = v.Args[2]
+		mem := v.Args[2]
 		ptr := v.Args[0]
 		x := v.Args[1]
-		mem := v.Args[2]
 		v.reset(OpAMD64CMPW)
 		v0 := b.NewValue0(v.Pos, OpAMD64MOVWload, typ.UInt16)
 		v0.AuxInt = off

src/cmd/compile/internal/ssa/rewriteARM.go

@@ -20085,10 +20085,9 @@ func rewriteValueARM_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -20104,10 +20103,9 @@ func rewriteValueARM_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -20123,10 +20121,9 @@ func rewriteValueARM_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}
@@ -20145,11 +20142,10 @@ func rewriteValueARM_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendA [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -20166,11 +20162,10 @@ func rewriteValueARM_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendB [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -20187,11 +20182,10 @@ func rewriteValueARM_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendC [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewriteARM64.go

@@ -35685,10 +35685,9 @@ func rewriteValueARM64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -35704,10 +35703,9 @@ func rewriteValueARM64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -35723,10 +35721,9 @@ func rewriteValueARM64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewriteMIPS.go

@@ -6985,10 +6985,9 @@ func rewriteValueMIPS_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -7004,10 +7003,9 @@ func rewriteValueMIPS_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -7023,10 +7021,9 @@ func rewriteValueMIPS_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}
@@ -7045,11 +7042,10 @@ func rewriteValueMIPS_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendA [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -7066,11 +7062,10 @@ func rewriteValueMIPS_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendB [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -7087,11 +7082,10 @@ func rewriteValueMIPS_OpPanicExtend_0(v *Value) bool {
 	// result: (LoweredPanicExtendC [kind] hi lo y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[3]
+		mem := v.Args[3]
 		hi := v.Args[0]
 		lo := v.Args[1]
 		y := v.Args[2]
-		mem := v.Args[3]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewriteMIPS64.go

@@ -7420,10 +7420,9 @@ func rewriteValueMIPS64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -7439,10 +7438,9 @@ func rewriteValueMIPS64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -7458,10 +7456,9 @@ func rewriteValueMIPS64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewritePPC64.go

@@ -26110,10 +26110,9 @@ func rewriteValuePPC64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -26129,10 +26128,9 @@ func rewriteValuePPC64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -26148,10 +26146,9 @@ func rewriteValuePPC64_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}

src/cmd/compile/internal/ssa/rewriteS390X.go

@@ -4973,10 +4973,9 @@ func rewriteValueS390X_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsA [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 0) {
 			break
 		}
@@ -4992,10 +4991,9 @@ func rewriteValueS390X_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsB [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 1) {
 			break
 		}
@@ -5011,10 +5009,9 @@ func rewriteValueS390X_OpPanicBounds_0(v *Value) bool {
 	// result: (LoweredPanicBoundsC [kind] x y mem)
 	for {
 		kind := v.AuxInt
-		_ = v.Args[2]
+		mem := v.Args[2]
 		x := v.Args[0]
 		y := v.Args[1]
-		mem := v.Args[2]
 		if !(boundsABI(kind) == 2) {
 			break
 		}