}
	if shift >= 0 && shift < 16 {
		// arm64:"LSL",-"CSEL"
		r3 = val16 << shift
	}
	if shift >= 0 && shift < 8 {
		// arm64:"LSL",-"CSEL"
		r4 = val8 << shift
	}
	return r1, r2, r3, r4
}

func provedSignedShiftLeft(val64 int64, val32 int32, val16 int16, val8 int8, shift int) (r1 int64, r2 int32, r3 int16, r4 int8) {
	if shift >= 0 && shift < 64 {
		// arm64:"LSL",-"CSEL"
		r1 = val64 << shift
	}

				"self.val2 == int(self.val7)",
				"self.val3 > int(self.val7)",

				"double(self.val1) < self.val8",
				"double(self.val2) == self.val8",
				"double(self.val3) > self.val8",

				"self.val1 < int(self.val8)",
				"self.val2 == int(self.val8)",
				"self.val3 > int(self.val8)",

				"double(self.val1) < self.val9",
				"double(self.val2) == self.val9",
				"double(self.val3) > self.val9",

				float64(10.0), // val5, float type, parsed from decimal literal
				float64(10.0), // val6, double type, parsed from decimal literal
				int64(10),     // val7, number type, parsed from integer literal
				int64(10),     // val8, float type, parsed from integer literal
				int64(10),     // val9, double type, parsed from integer literal
			),
			schema: schemas(integerType, numberType, floatType, doubleType, numberType, floatType, doubleType),

func (x ValAndOff) Val() int32   { return int32(int64(x) >> 32) }
func (x ValAndOff) Val64() int64 { return int64(x) >> 32 }
func (x ValAndOff) Val16() int16 { return int16(int64(x) >> 32) }
func (x ValAndOff) Val8() int8   { return int8(int64(x) >> 32) }

func (x ValAndOff) Off64() int64 { return int64(int32(x)) }
func (x ValAndOff) Off() int32   { return int32(x) }

func (x ValAndOff) String() string {