}
func rewriteValueS390X_OpLoad(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (Load <t> ptr mem)
	// cond: (is64BitInt(t) || isPtr(t))
	// result: (MOVDload ptr mem)
	for {
		t := v.Type
		ptr := v_0
		mem := v_1
		if !(is64BitInt(t) || isPtr(t)) {
			break
		}
		v.reset(OpS390XMOVDload)
		v.AddArg2(ptr, mem)
		return true
	}
	// match: (Load <t> ptr mem)

(Load <t> ptr mem) && (is16BitInt(t) &&  t.IsSigned()) => (MOVHload ptr mem)
(Load <t> ptr mem) && (is16BitInt(t) && !t.IsSigned()) => (MOVHUload ptr mem)
(Load <t> ptr mem) && (is32BitInt(t) || isPtr(t)) => (MOVWload ptr mem)
(Load <t> ptr mem) && is32BitFloat(t) => (MOVFload ptr mem)
(Load <t> ptr mem) && is64BitFloat(t) => (MOVDload ptr mem)

// stores

	for i := int64(0); i < n; i++ {
		load := a[i].store.Args[1]
		if load.Op != OpLoad {
			loadMem = nil
			break
		}
		if load.Uses != 1 {
			loadMem = nil
			break
		}
		if load.Type.IsPtr() {
			// Don't combine stores containing a pointer, as we need
			// a write barrier for those. This can't currently happen,
			// but might in the future if we ever have another

import (
	"cmd/compile/internal/base"
	"cmd/compile/internal/ir"
	"cmd/compile/internal/types"
	"cmd/internal/src"
	"internal/types/errors"
)

func RangeExprType(t *types.Type) *types.Type {
	if t.IsPtr() && t.Elem().IsArray() {
		return t.Elem()
	}
	return t
}

func typecheckrangeExpr(n *ir.RangeStmt) {
}

// type check assignment.
// if this assignment is the definition of a var on the left side,

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(Load <t> ptr mem) && (is32BitInt(t) &&  t.IsSigned()) => (MOVWload ptr mem)
(Load <t> ptr mem) && (is32BitInt(t) && !t.IsSigned()) => (MOVWUload ptr mem)
(Load <t> ptr mem) && (is64BitInt(t) || isPtr(t)) => (MOVVload ptr mem)
(Load <t> ptr mem) && is32BitFloat(t) => (MOVFload ptr mem)
(Load <t> ptr mem) && is64BitFloat(t) => (MOVDload ptr mem)

// stores

	// result: (CMOVQGT y x cond)
	for {
		t := v.Type
		x := v_0
		y := v_1
		if v_2.Op != OpAMD64SETG {
			break
		}
		cond := v_2.Args[0]
		if !(is64BitInt(t) || isPtr(t)) {
			break
		}
		v.reset(OpAMD64CMOVQGT)
		v.AddArg3(y, x, cond)
		return true
	}
	// match: (CondSelect <t> x y (SETLE cond))
	// cond: (is64BitInt(t) || isPtr(t))

	}
	return true
}

// If x is of the form *T, deref returns T, otherwise it returns x.
func deref(x ast.Expr) ast.Expr {
	if p, isPtr := x.(*ast.StarExpr); isPtr {
		x = p.X
	}
	return x
}

// checkExprOrType checks that x is an expression or a type
// (and not a raw type such as [...]T).
func (p *parser) checkExprOrType(x ast.Expr) ast.Expr {

// Use SETGF/SETGEF with reversed operands to dodge NaN case.
(Less(32|64)F x y) => (SETGF  (UCOMIS(S|D) y x))
(Leq(32|64)F  x y) => (SETGEF (UCOMIS(S|D) y x))

// Lowering loads
(Load <t> ptr mem) && (is64BitInt(t) || isPtr(t)) => (MOVQload ptr mem)
(Load <t> ptr mem) && is32BitInt(t) => (MOVLload ptr mem)
(Load <t> ptr mem) && is16BitInt(t) => (MOVWload ptr mem)
(Load <t> ptr mem) && (t.IsBoolean() || is8BitInt(t)) => (MOVBload ptr mem)

				return &serializer{
					Field:      field,
					Serializer: si.Interface().(SerializerInterface),
				}
			},
		}
	}

	if field.NewValuePool == nil {
		field.NewValuePool = poolInitializer(reflect.PtrTo(field.IndirectFieldType))
	}