Adding upstream version 1.16.10.upstream/1.16.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2464 insertions, 0 deletions

diff --git a/src/cmd/compile/internal/ssa/rewritedec64.go b/src/cmd/compile/internal/ssa/rewritedec64.go
new file mode 100644
index 0000000..c49bc80
--- /dev/null
+++ b/src/cmd/compile/internal/ssa/rewritedec64.go
@@ -0,0 +1,2464 @@
+// Code generated from gen/dec64.rules; DO NOT EDIT.
+// generated with: cd gen; go run *.go
+
+package ssa
+
+import "cmd/compile/internal/types"
+
+func rewriteValuedec64(v *Value) bool {
+	switch v.Op {
+	case OpAdd64:
+		return rewriteValuedec64_OpAdd64(v)
+	case OpAnd64:
+		return rewriteValuedec64_OpAnd64(v)
+	case OpArg:
+		return rewriteValuedec64_OpArg(v)
+	case OpBitLen64:
+		return rewriteValuedec64_OpBitLen64(v)
+	case OpBswap64:
+		return rewriteValuedec64_OpBswap64(v)
+	case OpCom64:
+		return rewriteValuedec64_OpCom64(v)
+	case OpConst64:
+		return rewriteValuedec64_OpConst64(v)
+	case OpCtz64:
+		return rewriteValuedec64_OpCtz64(v)
+	case OpCtz64NonZero:
+		v.Op = OpCtz64
+		return true
+	case OpEq64:
+		return rewriteValuedec64_OpEq64(v)
+	case OpInt64Hi:
+		return rewriteValuedec64_OpInt64Hi(v)
+	case OpInt64Lo:
+		return rewriteValuedec64_OpInt64Lo(v)
+	case OpLeq64:
+		return rewriteValuedec64_OpLeq64(v)
+	case OpLeq64U:
+		return rewriteValuedec64_OpLeq64U(v)
+	case OpLess64:
+		return rewriteValuedec64_OpLess64(v)
+	case OpLess64U:
+		return rewriteValuedec64_OpLess64U(v)
+	case OpLoad:
+		return rewriteValuedec64_OpLoad(v)
+	case OpLsh16x64:
+		return rewriteValuedec64_OpLsh16x64(v)
+	case OpLsh32x64:
+		return rewriteValuedec64_OpLsh32x64(v)
+	case OpLsh64x16:
+		return rewriteValuedec64_OpLsh64x16(v)
+	case OpLsh64x32:
+		return rewriteValuedec64_OpLsh64x32(v)
+	case OpLsh64x64:
+		return rewriteValuedec64_OpLsh64x64(v)
+	case OpLsh64x8:
+		return rewriteValuedec64_OpLsh64x8(v)
+	case OpLsh8x64:
+		return rewriteValuedec64_OpLsh8x64(v)
+	case OpMul64:
+		return rewriteValuedec64_OpMul64(v)
+	case OpNeg64:
+		return rewriteValuedec64_OpNeg64(v)
+	case OpNeq64:
+		return rewriteValuedec64_OpNeq64(v)
+	case OpOr32:
+		return rewriteValuedec64_OpOr32(v)
+	case OpOr64:
+		return rewriteValuedec64_OpOr64(v)
+	case OpRsh16Ux64:
+		return rewriteValuedec64_OpRsh16Ux64(v)
+	case OpRsh16x64:
+		return rewriteValuedec64_OpRsh16x64(v)
+	case OpRsh32Ux64:
+		return rewriteValuedec64_OpRsh32Ux64(v)
+	case OpRsh32x64:
+		return rewriteValuedec64_OpRsh32x64(v)
+	case OpRsh64Ux16:
+		return rewriteValuedec64_OpRsh64Ux16(v)
+	case OpRsh64Ux32:
+		return rewriteValuedec64_OpRsh64Ux32(v)
+	case OpRsh64Ux64:
+		return rewriteValuedec64_OpRsh64Ux64(v)
+	case OpRsh64Ux8:
+		return rewriteValuedec64_OpRsh64Ux8(v)
+	case OpRsh64x16:
+		return rewriteValuedec64_OpRsh64x16(v)
+	case OpRsh64x32:
+		return rewriteValuedec64_OpRsh64x32(v)
+	case OpRsh64x64:
+		return rewriteValuedec64_OpRsh64x64(v)
+	case OpRsh64x8:
+		return rewriteValuedec64_OpRsh64x8(v)
+	case OpRsh8Ux64:
+		return rewriteValuedec64_OpRsh8Ux64(v)
+	case OpRsh8x64:
+		return rewriteValuedec64_OpRsh8x64(v)
+	case OpSignExt16to64:
+		return rewriteValuedec64_OpSignExt16to64(v)
+	case OpSignExt32to64:
+		return rewriteValuedec64_OpSignExt32to64(v)
+	case OpSignExt8to64:
+		return rewriteValuedec64_OpSignExt8to64(v)
+	case OpStore:
+		return rewriteValuedec64_OpStore(v)
+	case OpSub64:
+		return rewriteValuedec64_OpSub64(v)
+	case OpTrunc64to16:
+		return rewriteValuedec64_OpTrunc64to16(v)
+	case OpTrunc64to32:
+		return rewriteValuedec64_OpTrunc64to32(v)
+	case OpTrunc64to8:
+		return rewriteValuedec64_OpTrunc64to8(v)
+	case OpXor64:
+		return rewriteValuedec64_OpXor64(v)
+	case OpZeroExt16to64:
+		return rewriteValuedec64_OpZeroExt16to64(v)
+	case OpZeroExt32to64:
+		return rewriteValuedec64_OpZeroExt32to64(v)
+	case OpZeroExt8to64:
+		return rewriteValuedec64_OpZeroExt8to64(v)
+	}
+	return false
+}
+func rewriteValuedec64_OpAdd64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Add64 x y)
+	// result: (Int64Make (Add32withcarry <typ.Int32> (Int64Hi x) (Int64Hi y) (Select1 <types.TypeFlags> (Add32carry (Int64Lo x) (Int64Lo y)))) (Select0 <typ.UInt32> (Add32carry (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpAdd32withcarry, typ.Int32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
+		v4 := b.NewValue0(v.Pos, OpAdd32carry, types.NewTuple(typ.UInt32, types.TypeFlags))
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(y)
+		v4.AddArg2(v5, v6)
+		v3.AddArg(v4)
+		v0.AddArg3(v1, v2, v3)
+		v7 := b.NewValue0(v.Pos, OpSelect0, typ.UInt32)
+		v7.AddArg(v4)
+		v.AddArg2(v0, v7)
+		return true
+	}
+}
+func rewriteValuedec64_OpAnd64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (And64 x y)
+	// result: (Int64Make (And32 <typ.UInt32> (Int64Hi x) (Int64Hi y)) (And32 <typ.UInt32> (Int64Lo x) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(y)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpArg(v *Value) bool {
+	b := v.Block
+	config := b.Func.Config
+	typ := &b.Func.Config.Types
+	// match: (Arg {n} [off])
+	// cond: is64BitInt(v.Type) && !config.BigEndian && v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")
+	// result: (Int64Make (Arg <typ.Int32> {n} [off+4]) (Arg <typ.UInt32> {n} [off]))
+	for {
+		off := auxIntToInt32(v.AuxInt)
+		n := auxToSym(v.Aux)
+		if !(is64BitInt(v.Type) && !config.BigEndian && v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpArg, typ.Int32)
+		v0.AuxInt = int32ToAuxInt(off + 4)
+		v0.Aux = symToAux(n)
+		v1 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(off)
+		v1.Aux = symToAux(n)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	// match: (Arg {n} [off])
+	// cond: is64BitInt(v.Type) && !config.BigEndian && !v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")
+	// result: (Int64Make (Arg <typ.UInt32> {n} [off+4]) (Arg <typ.UInt32> {n} [off]))
+	for {
+		off := auxIntToInt32(v.AuxInt)
+		n := auxToSym(v.Aux)
+		if !(is64BitInt(v.Type) && !config.BigEndian && !v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v0.AuxInt = int32ToAuxInt(off + 4)
+		v0.Aux = symToAux(n)
+		v1 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(off)
+		v1.Aux = symToAux(n)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	// match: (Arg {n} [off])
+	// cond: is64BitInt(v.Type) && config.BigEndian && v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")
+	// result: (Int64Make (Arg <typ.Int32> {n} [off]) (Arg <typ.UInt32> {n} [off+4]))
+	for {
+		off := auxIntToInt32(v.AuxInt)
+		n := auxToSym(v.Aux)
+		if !(is64BitInt(v.Type) && config.BigEndian && v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpArg, typ.Int32)
+		v0.AuxInt = int32ToAuxInt(off)
+		v0.Aux = symToAux(n)
+		v1 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(off + 4)
+		v1.Aux = symToAux(n)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	// match: (Arg {n} [off])
+	// cond: is64BitInt(v.Type) && config.BigEndian && !v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")
+	// result: (Int64Make (Arg <typ.UInt32> {n} [off]) (Arg <typ.UInt32> {n} [off+4]))
+	for {
+		off := auxIntToInt32(v.AuxInt)
+		n := auxToSym(v.Aux)
+		if !(is64BitInt(v.Type) && config.BigEndian && !v.Type.IsSigned() && !(go116lateCallExpansion && b.Func.pass.name == "decompose builtin")) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v0.AuxInt = int32ToAuxInt(off)
+		v0.Aux = symToAux(n)
+		v1 := b.NewValue0(v.Pos, OpArg, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(off + 4)
+		v1.Aux = symToAux(n)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpBitLen64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (BitLen64 x)
+	// result: (Add32 <typ.Int> (BitLen32 <typ.Int> (Int64Hi x)) (BitLen32 <typ.Int> (Or32 <typ.UInt32> (Int64Lo x) (Zeromask (Int64Hi x)))))
+	for {
+		x := v_0
+		v.reset(OpAdd32)
+		v.Type = typ.Int
+		v0 := b.NewValue0(v.Pos, OpBitLen32, typ.Int)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg(v1)
+		v2 := b.NewValue0(v.Pos, OpBitLen32, typ.Int)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v5.AddArg(v1)
+		v3.AddArg2(v4, v5)
+		v2.AddArg(v3)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpBswap64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Bswap64 x)
+	// result: (Int64Make (Bswap32 <typ.UInt32> (Int64Lo x)) (Bswap32 <typ.UInt32> (Int64Hi x)))
+	for {
+		x := v_0
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpBswap32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg(v1)
+		v2 := b.NewValue0(v.Pos, OpBswap32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v3.AddArg(x)
+		v2.AddArg(v3)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpCom64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Com64 x)
+	// result: (Int64Make (Com32 <typ.UInt32> (Int64Hi x)) (Com32 <typ.UInt32> (Int64Lo x)))
+	for {
+		x := v_0
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpCom32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg(v1)
+		v2 := b.NewValue0(v.Pos, OpCom32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(x)
+		v2.AddArg(v3)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpConst64(v *Value) bool {
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Const64 <t> [c])
+	// cond: t.IsSigned()
+	// result: (Int64Make (Const32 <typ.Int32> [int32(c>>32)]) (Const32 <typ.UInt32> [int32(c)]))
+	for {
+		t := v.Type
+		c := auxIntToInt64(v.AuxInt)
+		if !(t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpConst32, typ.Int32)
+		v0.AuxInt = int32ToAuxInt(int32(c >> 32))
+		v1 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(int32(c))
+		v.AddArg2(v0, v1)
+		return true
+	}
+	// match: (Const64 <t> [c])
+	// cond: !t.IsSigned()
+	// result: (Int64Make (Const32 <typ.UInt32> [int32(c>>32)]) (Const32 <typ.UInt32> [int32(c)]))
+	for {
+		t := v.Type
+		c := auxIntToInt64(v.AuxInt)
+		if !(!t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v0.AuxInt = int32ToAuxInt(int32(c >> 32))
+		v1 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v1.AuxInt = int32ToAuxInt(int32(c))
+		v.AddArg2(v0, v1)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpCtz64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Ctz64 x)
+	// result: (Add32 <typ.UInt32> (Ctz32 <typ.UInt32> (Int64Lo x)) (And32 <typ.UInt32> (Com32 <typ.UInt32> (Zeromask (Int64Lo x))) (Ctz32 <typ.UInt32> (Int64Hi x))))
+	for {
+		x := v_0
+		v.reset(OpAdd32)
+		v.Type = typ.UInt32
+		v0 := b.NewValue0(v.Pos, OpCtz32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg(v1)
+		v2 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpCom32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v4.AddArg(v1)
+		v3.AddArg(v4)
+		v5 := b.NewValue0(v.Pos, OpCtz32, typ.UInt32)
+		v6 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v6.AddArg(x)
+		v5.AddArg(v6)
+		v2.AddArg2(v3, v5)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpEq64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Eq64 x y)
+	// result: (AndB (Eq32 (Int64Hi x) (Int64Hi y)) (Eq32 (Int64Lo x) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpAndB)
+		v0 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(y)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpInt64Hi(v *Value) bool {
+	v_0 := v.Args[0]
+	// match: (Int64Hi (Int64Make hi _))
+	// result: hi
+	for {
+		if v_0.Op != OpInt64Make {
+			break
+		}
+		hi := v_0.Args[0]
+		v.copyOf(hi)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpInt64Lo(v *Value) bool {
+	v_0 := v.Args[0]
+	// match: (Int64Lo (Int64Make _ lo))
+	// result: lo
+	for {
+		if v_0.Op != OpInt64Make {
+			break
+		}
+		lo := v_0.Args[1]
+		v.copyOf(lo)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpLeq64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Leq64 x y)
+	// result: (OrB (Less32 (Int64Hi x) (Int64Hi y)) (AndB (Eq32 (Int64Hi x) (Int64Hi y)) (Leq32U (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpOrB)
+		v0 := b.NewValue0(v.Pos, OpLess32, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpAndB, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v4.AddArg2(v1, v2)
+		v5 := b.NewValue0(v.Pos, OpLeq32U, typ.Bool)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(x)
+		v7 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v7.AddArg(y)
+		v5.AddArg2(v6, v7)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpLeq64U(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Leq64U x y)
+	// result: (OrB (Less32U (Int64Hi x) (Int64Hi y)) (AndB (Eq32 (Int64Hi x) (Int64Hi y)) (Leq32U (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpOrB)
+		v0 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpAndB, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v4.AddArg2(v1, v2)
+		v5 := b.NewValue0(v.Pos, OpLeq32U, typ.Bool)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(x)
+		v7 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v7.AddArg(y)
+		v5.AddArg2(v6, v7)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpLess64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Less64 x y)
+	// result: (OrB (Less32 (Int64Hi x) (Int64Hi y)) (AndB (Eq32 (Int64Hi x) (Int64Hi y)) (Less32U (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpOrB)
+		v0 := b.NewValue0(v.Pos, OpLess32, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpAndB, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v4.AddArg2(v1, v2)
+		v5 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(x)
+		v7 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v7.AddArg(y)
+		v5.AddArg2(v6, v7)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpLess64U(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Less64U x y)
+	// result: (OrB (Less32U (Int64Hi x) (Int64Hi y)) (AndB (Eq32 (Int64Hi x) (Int64Hi y)) (Less32U (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpOrB)
+		v0 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpAndB, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
+		v4.AddArg2(v1, v2)
+		v5 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(x)
+		v7 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v7.AddArg(y)
+		v5.AddArg2(v6, v7)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpLoad(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	config := b.Func.Config
+	typ := &b.Func.Config.Types
+	// match: (Load <t> ptr mem)
+	// cond: is64BitInt(t) && !config.BigEndian && t.IsSigned()
+	// result: (Int64Make (Load <typ.Int32> (OffPtr <typ.Int32Ptr> [4] ptr) mem) (Load <typ.UInt32> ptr mem))
+	for {
+		t := v.Type
+		ptr := v_0
+		mem := v_1
+		if !(is64BitInt(t) && !config.BigEndian && t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpLoad, typ.Int32)
+		v1 := b.NewValue0(v.Pos, OpOffPtr, typ.Int32Ptr)
+		v1.AuxInt = int64ToAuxInt(4)
+		v1.AddArg(ptr)
+		v0.AddArg2(v1, mem)
+		v2 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v2.AddArg2(ptr, mem)
+		v.AddArg2(v0, v2)
+		return true
+	}
+	// match: (Load <t> ptr mem)
+	// cond: is64BitInt(t) && !config.BigEndian && !t.IsSigned()
+	// result: (Int64Make (Load <typ.UInt32> (OffPtr <typ.UInt32Ptr> [4] ptr) mem) (Load <typ.UInt32> ptr mem))
+	for {
+		t := v.Type
+		ptr := v_0
+		mem := v_1
+		if !(is64BitInt(t) && !config.BigEndian && !t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpOffPtr, typ.UInt32Ptr)
+		v1.AuxInt = int64ToAuxInt(4)
+		v1.AddArg(ptr)
+		v0.AddArg2(v1, mem)
+		v2 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v2.AddArg2(ptr, mem)
+		v.AddArg2(v0, v2)
+		return true
+	}
+	// match: (Load <t> ptr mem)
+	// cond: is64BitInt(t) && config.BigEndian && t.IsSigned()
+	// result: (Int64Make (Load <typ.Int32> ptr mem) (Load <typ.UInt32> (OffPtr <typ.UInt32Ptr> [4] ptr) mem))
+	for {
+		t := v.Type
+		ptr := v_0
+		mem := v_1
+		if !(is64BitInt(t) && config.BigEndian && t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpLoad, typ.Int32)
+		v0.AddArg2(ptr, mem)
+		v1 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpOffPtr, typ.UInt32Ptr)
+		v2.AuxInt = int64ToAuxInt(4)
+		v2.AddArg(ptr)
+		v1.AddArg2(v2, mem)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	// match: (Load <t> ptr mem)
+	// cond: is64BitInt(t) && config.BigEndian && !t.IsSigned()
+	// result: (Int64Make (Load <typ.UInt32> ptr mem) (Load <typ.UInt32> (OffPtr <typ.UInt32Ptr> [4] ptr) mem))
+	for {
+		t := v.Type
+		ptr := v_0
+		mem := v_1
+		if !(is64BitInt(t) && config.BigEndian && !t.IsSigned()) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v0.AddArg2(ptr, mem)
+		v1 := b.NewValue0(v.Pos, OpLoad, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpOffPtr, typ.UInt32Ptr)
+		v2.AuxInt = int64ToAuxInt(4)
+		v2.AddArg(ptr)
+		v1.AddArg2(v2, mem)
+		v.AddArg2(v0, v1)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpLsh16x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh16x64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Lsh16x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Lsh16x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpLsh16x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Lsh16x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Lsh16x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpLsh16x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Lsh16x64 x y)
+	// result: (Lsh16x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpLsh16x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh32x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh32x64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Lsh32x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Lsh32x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpLsh32x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Lsh32x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Lsh32x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpLsh32x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Lsh32x64 x y)
+	// result: (Lsh32x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpLsh32x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh64x16(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh64x16 x s)
+	// result: (Int64Make (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Lsh32x16 <typ.UInt32> (Int64Hi x) s) (Rsh32Ux16 <typ.UInt32> (Int64Lo x) (Sub16 <typ.UInt16> (Const16 <typ.UInt16> [32]) s))) (Lsh32x16 <typ.UInt32> (Int64Lo x) (Sub16 <typ.UInt16> s (Const16 <typ.UInt16> [32])))) (Lsh32x16 <typ.UInt32> (Int64Lo x) s))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpLsh32x16, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v3.AddArg(x)
+		v2.AddArg2(v3, s)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux16, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v6 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v7 := b.NewValue0(v.Pos, OpConst16, typ.UInt16)
+		v7.AuxInt = int16ToAuxInt(32)
+		v6.AddArg2(v7, s)
+		v4.AddArg2(v5, v6)
+		v1.AddArg2(v2, v4)
+		v8 := b.NewValue0(v.Pos, OpLsh32x16, typ.UInt32)
+		v9 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v9.AddArg2(s, v7)
+		v8.AddArg2(v5, v9)
+		v0.AddArg2(v1, v8)
+		v10 := b.NewValue0(v.Pos, OpLsh32x16, typ.UInt32)
+		v10.AddArg2(v5, s)
+		v.AddArg2(v0, v10)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh64x32(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh64x32 x s)
+	// result: (Int64Make (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Lsh32x32 <typ.UInt32> (Int64Hi x) s) (Rsh32Ux32 <typ.UInt32> (Int64Lo x) (Sub32 <typ.UInt32> (Const32 <typ.UInt32> [32]) s))) (Lsh32x32 <typ.UInt32> (Int64Lo x) (Sub32 <typ.UInt32> s (Const32 <typ.UInt32> [32])))) (Lsh32x32 <typ.UInt32> (Int64Lo x) s))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpLsh32x32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v3.AddArg(x)
+		v2.AddArg2(v3, s)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v6 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v7.AuxInt = int32ToAuxInt(32)
+		v6.AddArg2(v7, s)
+		v4.AddArg2(v5, v6)
+		v1.AddArg2(v2, v4)
+		v8 := b.NewValue0(v.Pos, OpLsh32x32, typ.UInt32)
+		v9 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v9.AddArg2(s, v7)
+		v8.AddArg2(v5, v9)
+		v0.AddArg2(v1, v8)
+		v10 := b.NewValue0(v.Pos, OpLsh32x32, typ.UInt32)
+		v10.AddArg2(v5, s)
+		v.AddArg2(v0, v10)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh64x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh64x64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const64 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst64)
+		v.AuxInt = int64ToAuxInt(0)
+		return true
+	}
+	// match: (Lsh64x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Lsh64x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpLsh64x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Lsh64x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Lsh64x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpLsh64x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Lsh64x64 x y)
+	// result: (Lsh64x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpLsh64x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh64x8(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh64x8 x s)
+	// result: (Int64Make (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Lsh32x8 <typ.UInt32> (Int64Hi x) s) (Rsh32Ux8 <typ.UInt32> (Int64Lo x) (Sub8 <typ.UInt8> (Const8 <typ.UInt8> [32]) s))) (Lsh32x8 <typ.UInt32> (Int64Lo x) (Sub8 <typ.UInt8> s (Const8 <typ.UInt8> [32])))) (Lsh32x8 <typ.UInt32> (Int64Lo x) s))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpLsh32x8, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v3.AddArg(x)
+		v2.AddArg2(v3, s)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux8, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v6 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v7 := b.NewValue0(v.Pos, OpConst8, typ.UInt8)
+		v7.AuxInt = int8ToAuxInt(32)
+		v6.AddArg2(v7, s)
+		v4.AddArg2(v5, v6)
+		v1.AddArg2(v2, v4)
+		v8 := b.NewValue0(v.Pos, OpLsh32x8, typ.UInt32)
+		v9 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v9.AddArg2(s, v7)
+		v8.AddArg2(v5, v9)
+		v0.AddArg2(v1, v8)
+		v10 := b.NewValue0(v.Pos, OpLsh32x8, typ.UInt32)
+		v10.AddArg2(v5, s)
+		v.AddArg2(v0, v10)
+		return true
+	}
+}
+func rewriteValuedec64_OpLsh8x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Lsh8x64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Lsh8x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Lsh8x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpLsh8x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Lsh8x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Lsh8x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpLsh8x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Lsh8x64 x y)
+	// result: (Lsh8x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpLsh8x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpMul64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Mul64 x y)
+	// result: (Int64Make (Add32 <typ.UInt32> (Mul32 <typ.UInt32> (Int64Lo x) (Int64Hi y)) (Add32 <typ.UInt32> (Mul32 <typ.UInt32> (Int64Hi x) (Int64Lo y)) (Select0 <typ.UInt32> (Mul32uhilo (Int64Lo x) (Int64Lo y))))) (Select1 <typ.UInt32> (Mul32uhilo (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpAdd32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpMul32, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v2.AddArg(x)
+		v3 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v3.AddArg(y)
+		v1.AddArg2(v2, v3)
+		v4 := b.NewValue0(v.Pos, OpAdd32, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpMul32, typ.UInt32)
+		v6 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v6.AddArg(x)
+		v7 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v7.AddArg(y)
+		v5.AddArg2(v6, v7)
+		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt32)
+		v9 := b.NewValue0(v.Pos, OpMul32uhilo, types.NewTuple(typ.UInt32, typ.UInt32))
+		v9.AddArg2(v2, v7)
+		v8.AddArg(v9)
+		v4.AddArg2(v5, v8)
+		v0.AddArg2(v1, v4)
+		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt32)
+		v10.AddArg(v9)
+		v.AddArg2(v0, v10)
+		return true
+	}
+}
+func rewriteValuedec64_OpNeg64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	// match: (Neg64 <t> x)
+	// result: (Sub64 (Const64 <t> [0]) x)
+	for {
+		t := v.Type
+		x := v_0
+		v.reset(OpSub64)
+		v0 := b.NewValue0(v.Pos, OpConst64, t)
+		v0.AuxInt = int64ToAuxInt(0)
+		v.AddArg2(v0, x)
+		return true
+	}
+}
+func rewriteValuedec64_OpNeq64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Neq64 x y)
+	// result: (OrB (Neq32 (Int64Hi x) (Int64Hi y)) (Neq32 (Int64Lo x) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpOrB)
+		v0 := b.NewValue0(v.Pos, OpNeq32, typ.Bool)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpNeq32, typ.Bool)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(y)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpOr32(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Or32 <typ.UInt32> (Zeromask (Const32 [c])) y)
+	// cond: c == 0
+	// result: y
+	for {
+		if v.Type != typ.UInt32 {
+			break
+		}
+		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
+			if v_0.Op != OpZeromask {
+				continue
+			}
+			v_0_0 := v_0.Args[0]
+			if v_0_0.Op != OpConst32 {
+				continue
+			}
+			c := auxIntToInt32(v_0_0.AuxInt)
+			y := v_1
+			if !(c == 0) {
+				continue
+			}
+			v.copyOf(y)
+			return true
+		}
+		break
+	}
+	// match: (Or32 <typ.UInt32> (Zeromask (Const32 [c])) y)
+	// cond: c != 0
+	// result: (Const32 <typ.UInt32> [-1])
+	for {
+		if v.Type != typ.UInt32 {
+			break
+		}
+		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
+			if v_0.Op != OpZeromask {
+				continue
+			}
+			v_0_0 := v_0.Args[0]
+			if v_0_0.Op != OpConst32 {
+				continue
+			}
+			c := auxIntToInt32(v_0_0.AuxInt)
+			if !(c != 0) {
+				continue
+			}
+			v.reset(OpConst32)
+			v.Type = typ.UInt32
+			v.AuxInt = int32ToAuxInt(-1)
+			return true
+		}
+		break
+	}
+	return false
+}
+func rewriteValuedec64_OpOr64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Or64 x y)
+	// result: (Int64Make (Or32 <typ.UInt32> (Int64Hi x) (Int64Hi y)) (Or32 <typ.UInt32> (Int64Lo x) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(y)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh16Ux64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh16Ux64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Rsh16Ux64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh16Ux32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh16Ux32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh16Ux64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh16Ux32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh16Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh16Ux64 x y)
+	// result: (Rsh16Ux32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh16Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh16x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh16x64 x (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Signmask (SignExt16to32 x))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpSignmask)
+		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+	// match: (Rsh16x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh16x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh16x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh16x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh16x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh16x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh16x64 x y)
+	// result: (Rsh16x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh16x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh32Ux64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh32Ux64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Rsh32Ux64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh32Ux32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh32Ux32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh32Ux64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh32Ux32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh32Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh32Ux64 x y)
+	// result: (Rsh32Ux32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh32Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh32x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh32x64 x (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Signmask x)
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpSignmask)
+		v.AddArg(x)
+		return true
+	}
+	// match: (Rsh32x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh32x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh32x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh32x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh32x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh32x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh32x64 x y)
+	// result: (Rsh32x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh32x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64Ux16(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64Ux16 x s)
+	// result: (Int64Make (Rsh32Ux16 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux16 <typ.UInt32> (Int64Lo x) s) (Lsh32x16 <typ.UInt32> (Int64Hi x) (Sub16 <typ.UInt16> (Const16 <typ.UInt16> [32]) s))) (Rsh32Ux16 <typ.UInt32> (Int64Hi x) (Sub16 <typ.UInt16> s (Const16 <typ.UInt16> [32])))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32Ux16, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux16, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x16, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v8 := b.NewValue0(v.Pos, OpConst16, typ.UInt16)
+		v8.AuxInt = int16ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpRsh32Ux16, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v10.AddArg2(s, v8)
+		v9.AddArg2(v1, v10)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64Ux32(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64Ux32 x s)
+	// result: (Int64Make (Rsh32Ux32 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux32 <typ.UInt32> (Int64Lo x) s) (Lsh32x32 <typ.UInt32> (Int64Hi x) (Sub32 <typ.UInt32> (Const32 <typ.UInt32> [32]) s))) (Rsh32Ux32 <typ.UInt32> (Int64Hi x) (Sub32 <typ.UInt32> s (Const32 <typ.UInt32> [32])))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x32, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v8 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v8.AuxInt = int32ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v10.AddArg2(s, v8)
+		v9.AddArg2(v1, v10)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64Ux64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64Ux64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const64 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst64)
+		v.AuxInt = int64ToAuxInt(0)
+		return true
+	}
+	// match: (Rsh64Ux64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh64Ux32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh64Ux32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh64Ux64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh64Ux32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh64Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh64Ux64 x y)
+	// result: (Rsh64Ux32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh64Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64Ux8(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64Ux8 x s)
+	// result: (Int64Make (Rsh32Ux8 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux8 <typ.UInt32> (Int64Lo x) s) (Lsh32x8 <typ.UInt32> (Int64Hi x) (Sub8 <typ.UInt8> (Const8 <typ.UInt8> [32]) s))) (Rsh32Ux8 <typ.UInt32> (Int64Hi x) (Sub8 <typ.UInt8> s (Const8 <typ.UInt8> [32])))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32Ux8, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux8, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x8, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v8 := b.NewValue0(v.Pos, OpConst8, typ.UInt8)
+		v8.AuxInt = int8ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpRsh32Ux8, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v10.AddArg2(s, v8)
+		v9.AddArg2(v1, v10)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64x16(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64x16 x s)
+	// result: (Int64Make (Rsh32x16 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux16 <typ.UInt32> (Int64Lo x) s) (Lsh32x16 <typ.UInt32> (Int64Hi x) (Sub16 <typ.UInt16> (Const16 <typ.UInt16> [32]) s))) (And32 <typ.UInt32> (Rsh32x16 <typ.UInt32> (Int64Hi x) (Sub16 <typ.UInt16> s (Const16 <typ.UInt16> [32]))) (Zeromask (ZeroExt16to32 (Rsh16Ux32 <typ.UInt16> s (Const32 <typ.UInt32> [5])))))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32x16, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux16, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x16, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v8 := b.NewValue0(v.Pos, OpConst16, typ.UInt16)
+		v8.AuxInt = int16ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpRsh32x16, typ.UInt32)
+		v11 := b.NewValue0(v.Pos, OpSub16, typ.UInt16)
+		v11.AddArg2(s, v8)
+		v10.AddArg2(v1, v11)
+		v12 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v13 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
+		v14 := b.NewValue0(v.Pos, OpRsh16Ux32, typ.UInt16)
+		v15 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v15.AuxInt = int32ToAuxInt(5)
+		v14.AddArg2(s, v15)
+		v13.AddArg(v14)
+		v12.AddArg(v13)
+		v9.AddArg2(v10, v12)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64x32(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64x32 x s)
+	// result: (Int64Make (Rsh32x32 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux32 <typ.UInt32> (Int64Lo x) s) (Lsh32x32 <typ.UInt32> (Int64Hi x) (Sub32 <typ.UInt32> (Const32 <typ.UInt32> [32]) s))) (And32 <typ.UInt32> (Rsh32x32 <typ.UInt32> (Int64Hi x) (Sub32 <typ.UInt32> s (Const32 <typ.UInt32> [32]))) (Zeromask (Rsh32Ux32 <typ.UInt32> s (Const32 <typ.UInt32> [5]))))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32x32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x32, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v8 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v8.AuxInt = int32ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpRsh32x32, typ.UInt32)
+		v11 := b.NewValue0(v.Pos, OpSub32, typ.UInt32)
+		v11.AddArg2(s, v8)
+		v10.AddArg2(v1, v11)
+		v12 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v13 := b.NewValue0(v.Pos, OpRsh32Ux32, typ.UInt32)
+		v14 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v14.AuxInt = int32ToAuxInt(5)
+		v13.AddArg2(s, v14)
+		v12.AddArg(v13)
+		v9.AddArg2(v10, v12)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64x64 x (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Int64Make (Signmask (Int64Hi x)) (Signmask (Int64Hi x)))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpSignmask, typ.Int32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg(v1)
+		v.AddArg2(v0, v0)
+		return true
+	}
+	// match: (Rsh64x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh64x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh64x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh64x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh64x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh64x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh64x64 x y)
+	// result: (Rsh64x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh64x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh64x8(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh64x8 x s)
+	// result: (Int64Make (Rsh32x8 <typ.UInt32> (Int64Hi x) s) (Or32 <typ.UInt32> (Or32 <typ.UInt32> (Rsh32Ux8 <typ.UInt32> (Int64Lo x) s) (Lsh32x8 <typ.UInt32> (Int64Hi x) (Sub8 <typ.UInt8> (Const8 <typ.UInt8> [32]) s))) (And32 <typ.UInt32> (Rsh32x8 <typ.UInt32> (Int64Hi x) (Sub8 <typ.UInt8> s (Const8 <typ.UInt8> [32]))) (Zeromask (ZeroExt8to32 (Rsh8Ux32 <typ.UInt8> s (Const32 <typ.UInt32> [5])))))))
+	for {
+		x := v_0
+		s := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpRsh32x8, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v0.AddArg2(v1, s)
+		v2 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v3 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpRsh32Ux8, typ.UInt32)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v4.AddArg2(v5, s)
+		v6 := b.NewValue0(v.Pos, OpLsh32x8, typ.UInt32)
+		v7 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v8 := b.NewValue0(v.Pos, OpConst8, typ.UInt8)
+		v8.AuxInt = int8ToAuxInt(32)
+		v7.AddArg2(v8, s)
+		v6.AddArg2(v1, v7)
+		v3.AddArg2(v4, v6)
+		v9 := b.NewValue0(v.Pos, OpAnd32, typ.UInt32)
+		v10 := b.NewValue0(v.Pos, OpRsh32x8, typ.UInt32)
+		v11 := b.NewValue0(v.Pos, OpSub8, typ.UInt8)
+		v11.AddArg2(s, v8)
+		v10.AddArg2(v1, v11)
+		v12 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v13 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
+		v14 := b.NewValue0(v.Pos, OpRsh8Ux32, typ.UInt8)
+		v15 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v15.AuxInt = int32ToAuxInt(5)
+		v14.AddArg2(s, v15)
+		v13.AddArg(v14)
+		v12.AddArg(v13)
+		v9.AddArg2(v10, v12)
+		v2.AddArg2(v3, v9)
+		v.AddArg2(v0, v2)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh8Ux64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh8Ux64 _ (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Const32 [0])
+	for {
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpConst32)
+		v.AuxInt = int32ToAuxInt(0)
+		return true
+	}
+	// match: (Rsh8Ux64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh8Ux32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh8Ux32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh8Ux64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh8Ux32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh8Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh8Ux64 x y)
+	// result: (Rsh8Ux32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh8Ux32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpRsh8x64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Rsh8x64 x (Int64Make (Const32 [c]) _))
+	// cond: c != 0
+	// result: (Signmask (SignExt8to32 x))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 {
+			break
+		}
+		c := auxIntToInt32(v_1_0.AuxInt)
+		if !(c != 0) {
+			break
+		}
+		v.reset(OpSignmask)
+		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+	// match: (Rsh8x64 [c] x (Int64Make (Const32 [0]) lo))
+	// result: (Rsh8x32 [c] x lo)
+	for {
+		c := auxIntToBool(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		v_1_0 := v_1.Args[0]
+		if v_1_0.Op != OpConst32 || auxIntToInt32(v_1_0.AuxInt) != 0 {
+			break
+		}
+		v.reset(OpRsh8x32)
+		v.AuxInt = boolToAuxInt(c)
+		v.AddArg2(x, lo)
+		return true
+	}
+	// match: (Rsh8x64 x (Int64Make hi lo))
+	// cond: hi.Op != OpConst32
+	// result: (Rsh8x32 x (Or32 <typ.UInt32> (Zeromask hi) lo))
+	for {
+		x := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		if !(hi.Op != OpConst32) {
+			break
+		}
+		v.reset(OpRsh8x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v1.AddArg(hi)
+		v0.AddArg2(v1, lo)
+		v.AddArg2(x, v0)
+		return true
+	}
+	// match: (Rsh8x64 x y)
+	// result: (Rsh8x32 x (Or32 <typ.UInt32> (Zeromask (Int64Hi y)) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpRsh8x32)
+		v0 := b.NewValue0(v.Pos, OpOr32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpZeromask, typ.UInt32)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v1.AddArg(v2)
+		v3 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v3.AddArg(y)
+		v0.AddArg2(v1, v3)
+		v.AddArg2(x, v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpSignExt16to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (SignExt16to64 x)
+	// result: (SignExt32to64 (SignExt16to32 x))
+	for {
+		x := v_0
+		v.reset(OpSignExt32to64)
+		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpSignExt32to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (SignExt32to64 x)
+	// result: (Int64Make (Signmask x) x)
+	for {
+		x := v_0
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpSignmask, typ.Int32)
+		v0.AddArg(x)
+		v.AddArg2(v0, x)
+		return true
+	}
+}
+func rewriteValuedec64_OpSignExt8to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (SignExt8to64 x)
+	// result: (SignExt32to64 (SignExt8to32 x))
+	for {
+		x := v_0
+		v.reset(OpSignExt32to64)
+		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpStore(v *Value) bool {
+	v_2 := v.Args[2]
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	config := b.Func.Config
+	// match: (Store {t} dst (Int64Make hi lo) mem)
+	// cond: t.Size() == 8 && !config.BigEndian
+	// result: (Store {hi.Type} (OffPtr <hi.Type.PtrTo()> [4] dst) hi (Store {lo.Type} dst lo mem))
+	for {
+		t := auxToType(v.Aux)
+		dst := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		mem := v_2
+		if !(t.Size() == 8 && !config.BigEndian) {
+			break
+		}
+		v.reset(OpStore)
+		v.Aux = typeToAux(hi.Type)
+		v0 := b.NewValue0(v.Pos, OpOffPtr, hi.Type.PtrTo())
+		v0.AuxInt = int64ToAuxInt(4)
+		v0.AddArg(dst)
+		v1 := b.NewValue0(v.Pos, OpStore, types.TypeMem)
+		v1.Aux = typeToAux(lo.Type)
+		v1.AddArg3(dst, lo, mem)
+		v.AddArg3(v0, hi, v1)
+		return true
+	}
+	// match: (Store {t} dst (Int64Make hi lo) mem)
+	// cond: t.Size() == 8 && config.BigEndian
+	// result: (Store {lo.Type} (OffPtr <lo.Type.PtrTo()> [4] dst) lo (Store {hi.Type} dst hi mem))
+	for {
+		t := auxToType(v.Aux)
+		dst := v_0
+		if v_1.Op != OpInt64Make {
+			break
+		}
+		lo := v_1.Args[1]
+		hi := v_1.Args[0]
+		mem := v_2
+		if !(t.Size() == 8 && config.BigEndian) {
+			break
+		}
+		v.reset(OpStore)
+		v.Aux = typeToAux(lo.Type)
+		v0 := b.NewValue0(v.Pos, OpOffPtr, lo.Type.PtrTo())
+		v0.AuxInt = int64ToAuxInt(4)
+		v0.AddArg(dst)
+		v1 := b.NewValue0(v.Pos, OpStore, types.TypeMem)
+		v1.Aux = typeToAux(hi.Type)
+		v1.AddArg3(dst, hi, mem)
+		v.AddArg3(v0, lo, v1)
+		return true
+	}
+	return false
+}
+func rewriteValuedec64_OpSub64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Sub64 x y)
+	// result: (Int64Make (Sub32withcarry <typ.Int32> (Int64Hi x) (Int64Hi y) (Select1 <types.TypeFlags> (Sub32carry (Int64Lo x) (Int64Lo y)))) (Select0 <typ.UInt32> (Sub32carry (Int64Lo x) (Int64Lo y))))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpSub32withcarry, typ.Int32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
+		v4 := b.NewValue0(v.Pos, OpSub32carry, types.NewTuple(typ.UInt32, types.TypeFlags))
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(x)
+		v6 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v6.AddArg(y)
+		v4.AddArg2(v5, v6)
+		v3.AddArg(v4)
+		v0.AddArg3(v1, v2, v3)
+		v7 := b.NewValue0(v.Pos, OpSelect0, typ.UInt32)
+		v7.AddArg(v4)
+		v.AddArg2(v0, v7)
+		return true
+	}
+}
+func rewriteValuedec64_OpTrunc64to16(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Trunc64to16 (Int64Make _ lo))
+	// result: (Trunc32to16 lo)
+	for {
+		if v_0.Op != OpInt64Make {
+			break
+		}
+		lo := v_0.Args[1]
+		v.reset(OpTrunc32to16)
+		v.AddArg(lo)
+		return true
+	}
+	// match: (Trunc64to16 x)
+	// result: (Trunc32to16 (Int64Lo x))
+	for {
+		x := v_0
+		v.reset(OpTrunc32to16)
+		v0 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpTrunc64to32(v *Value) bool {
+	v_0 := v.Args[0]
+	// match: (Trunc64to32 (Int64Make _ lo))
+	// result: lo
+	for {
+		if v_0.Op != OpInt64Make {
+			break
+		}
+		lo := v_0.Args[1]
+		v.copyOf(lo)
+		return true
+	}
+	// match: (Trunc64to32 x)
+	// result: (Int64Lo x)
+	for {
+		x := v_0
+		v.reset(OpInt64Lo)
+		v.AddArg(x)
+		return true
+	}
+}
+func rewriteValuedec64_OpTrunc64to8(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Trunc64to8 (Int64Make _ lo))
+	// result: (Trunc32to8 lo)
+	for {
+		if v_0.Op != OpInt64Make {
+			break
+		}
+		lo := v_0.Args[1]
+		v.reset(OpTrunc32to8)
+		v.AddArg(lo)
+		return true
+	}
+	// match: (Trunc64to8 x)
+	// result: (Trunc32to8 (Int64Lo x))
+	for {
+		x := v_0
+		v.reset(OpTrunc32to8)
+		v0 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpXor64(v *Value) bool {
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (Xor64 x y)
+	// result: (Int64Make (Xor32 <typ.UInt32> (Int64Hi x) (Int64Hi y)) (Xor32 <typ.UInt32> (Int64Lo x) (Int64Lo y)))
+	for {
+		x := v_0
+		y := v_1
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpXor32, typ.UInt32)
+		v1 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v1.AddArg(x)
+		v2 := b.NewValue0(v.Pos, OpInt64Hi, typ.UInt32)
+		v2.AddArg(y)
+		v0.AddArg2(v1, v2)
+		v3 := b.NewValue0(v.Pos, OpXor32, typ.UInt32)
+		v4 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v4.AddArg(x)
+		v5 := b.NewValue0(v.Pos, OpInt64Lo, typ.UInt32)
+		v5.AddArg(y)
+		v3.AddArg2(v4, v5)
+		v.AddArg2(v0, v3)
+		return true
+	}
+}
+func rewriteValuedec64_OpZeroExt16to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (ZeroExt16to64 x)
+	// result: (ZeroExt32to64 (ZeroExt16to32 x))
+	for {
+		x := v_0
+		v.reset(OpZeroExt32to64)
+		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteValuedec64_OpZeroExt32to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (ZeroExt32to64 x)
+	// result: (Int64Make (Const32 <typ.UInt32> [0]) x)
+	for {
+		x := v_0
+		v.reset(OpInt64Make)
+		v0 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
+		v0.AuxInt = int32ToAuxInt(0)
+		v.AddArg2(v0, x)
+		return true
+	}
+}
+func rewriteValuedec64_OpZeroExt8to64(v *Value) bool {
+	v_0 := v.Args[0]
+	b := v.Block
+	typ := &b.Func.Config.Types
+	// match: (ZeroExt8to64 x)
+	// result: (ZeroExt32to64 (ZeroExt8to32 x))
+	for {
+		x := v_0
+		v.reset(OpZeroExt32to64)
+		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
+		v0.AddArg(x)
+		v.AddArg(v0)
+		return true
+	}
+}
+func rewriteBlockdec64(b *Block) bool {
+	switch b.Kind {
+	}
+	return false
+}