// Interpretation of trace:
	//   x ≡ y    attempt to unify types x and y
	//   p ➞ y    type parameter p is set to type y (p is inferred to be y)
	//   p ⇄ q    type parameters p and q match (p is inferred to be q and vice versa)
	//   x ≢ y    types x and y cannot be unified
	//   [p, q, ...] ➞ [x, y, ...]    mapping from type parameters to types
	traceInference = false
)

		if y, ok := y.(*Basic); ok {
			return x.kind == y.kind
		}

	case *Array:
		// Two array types are identical if they have identical element types
		// and the same array length.
		if y, ok := y.(*Array); ok {
			// If one or both array lengths are unknown (< 0) due to some error,
			// assume they are the same to avoid spurious follow-on errors.
			return (x.len < 0 || y.len < 0 || x.len == y.len) && c.identical(x.elem, y.elem, p)

(Mod8u x y) => (Mod32u (ZeroExt8to32 x) (ZeroExt8to32 y))
(Mod64 x y) && buildcfg.GOPPC64 >=9 => (MODSD x y)
(Mod64 x y) && buildcfg.GOPPC64 <=8 => (SUB x (MULLD y (DIVD x y)))
(Mod64u x y) && buildcfg.GOPPC64 >= 9 => (MODUD x y)
(Mod64u x y) && buildcfg.GOPPC64 <= 8 => (SUB x (MULLD y (DIVDU x y)))
(Mod32 x y) && buildcfg.GOPPC64 >= 9 => (MODSW x y)
(Mod32 x y) && buildcfg.GOPPC64 <= 8 => (SUB x (MULLW y (DIVW x y)))

	var x, y, z big.Float
	x.SetInt64(1000)          // x is automatically set to 64bit precision
	y.SetFloat64(2.718281828) // y is automatically set to 53bit precision
	z.SetPrec(32)
	z.Add(&x, &y)
	fmt.Printf("x = %.10g (%s, prec = %d, acc = %s)\n", &x, x.Text('p', 0), x.Prec(), x.Acc())
	fmt.Printf("y = %.10g (%s, prec = %d, acc = %s)\n", &y, y.Text('p', 0), y.Prec(), y.Acc())

(Neq32  x y) => (NotEqual (CMPW  x y))
(Neq64  x y) => (NotEqual (CMP   x y))
(NeqPtr x y) => (NotEqual (CMP   x y))
(Neq(32|64)F x y) => (NotEqual (FCMP(S|D) x y))

(Less(8|16) x y) => (LessThan (CMPW (SignExt(8|16)to32 x) (SignExt(8|16)to32 y)))
(Less32 x y) => (LessThan (CMPW x y))
(Less64 x y) => (LessThan (CMP  x y))

// Set condition flags for floating-point comparisons "x < y"

	// match: (Lsh16x16 x y)
	// cond: shiftIsBounded(v)
	// result: (SLD x y)
	for {
		x := v_0
		y := v_1
		if !(shiftIsBounded(v)) {
			break
		}
		v.reset(OpPPC64SLD)
		v.AddArg2(x, y)
		return true
	}
	// match: (Lsh16x16 <t> x y)
	// result: (ISEL [2] (SLD <t> (MOVHZreg x) y) (MOVDconst [0]) (CMPconst [0] (ANDconst [0xFFF0] y)))
	for {
		t := v.Type
		x := v_0

        parameters.effectiveJvmArgs.contains(debugArgument)

        where:
        port || debugArgument
        5005 || "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"
        5006 || "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5006"
    }

    def "can configure debug suspend"() {
        given:
        parameters.setDebug(true)

        when:

	// Interpretation of trace:
	//   x ≡ y    attempt to unify types x and y
	//   p ➞ y    type parameter p is set to type y (p is inferred to be y)
	//   p ⇄ q    type parameters p and q match (p is inferred to be q and vice versa)
	//   x ≢ y    types x and y cannot be unified
	//   [p, q, ...] ➞ [x, y, ...]    mapping from type parameters to types
	traceInference = false
)

		if y, ok := y.(*Basic); ok {
			return x.kind == y.kind
		}

	case *Array:
		// Two array types are identical if they have identical element types
		// and the same array length.
		if y, ok := y.(*Array); ok {
			// If one or both array lengths are unknown (< 0) due to some error,
			// assume they are the same to avoid spurious follow-on errors.
			return (x.len < 0 || y.len < 0 || x.len == y.len) && c.identical(x.elem, y.elem, p)

		v.AddArg(x)
		return true
	}
	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
	// result: y
	for {
		c := auxIntToInt64(v.AuxInt)
		y := v_0
		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
			break
		}
		x := y.Args[0]
		if x != v_1 {
			break
		}
		v.copyOf(y)
		return true
	}
	return false
}