if r == 0 {
			r = int(p.To.Reg)
		}
		o1 = OP_RRR(c.oprrr(p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg))

	case 33: // fabs fr1, fr3
		o1 = OP_RRR(c.oprrr(p.As), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg))

	case 34: // mov $con,fr
		v := c.regoff(&p.From)
		a := AADDU
		if o.from1 == C_ANDCON {
			a = AOR
		}
		o1 = OP_12IRR(c.opirr(a), uint32(v), uint32(0), uint32(REGTMP))

        formatter.node(getSimpleName());
        NodeState from = this;
        int depth = 0;
        do {
            from = getFromNode(from);
            if (from != null) {
                formatter.startChildren();
                formatter.node(from.getSimpleName());
                depth++;
            }
        } while (from != null && !(from instanceof RootNode));
        for (int i = 0; i < depth; i++) {

		}
		o1 = c.olrr(int(p.From.Offset), int(p.From.Reg), int(p.To.Reg), int(p.Scond))
		if p.As == AMOVBU {
			o1 |= 1 << 22
		}

	case 60: /* movb R(R),R -> ldrsb indexed */
		if p.From.Reg == 0 {
			c.ctxt.Diag("source operand is not a memory address: %v", p)
			break
		}
		if p.From.Offset&(^0xf) != 0 {
			c.ctxt.Diag("bad shift: %v", p)
			break
		}

		// objects, try to read them from the libgcc file.
		any := false
		undefs, froms := ctxt.loader.UndefinedRelocTargets(1)
		if len(undefs) > 0 {
			any = true
			if ctxt.Debugvlog > 1 {
				ctxt.Logf("loadlib: first unresolved is %s [%d] from %s [%d]\n",
					ctxt.loader.SymName(undefs[0]), undefs[0],
					ctxt.loader.SymName(froms[0]), froms[0])
			}
		}
		if any {
			if *flagLibGCC == "" {

			p.From.Type = obj.TYPE_MEM
			p.From.Reg = srcReg
			p.From.Offset = offset + 32
			p.To.Type = obj.TYPE_REG
			p.To.Reg = ppc64.REG_VS32

			p = s.Prog(ppc64.ALXV)
			p.From.Type = obj.TYPE_MEM
			p.From.Reg = srcReg
			p.From.Offset = offset + 48
			p.To.Type = obj.TYPE_REG
			p.To.Reg = ppc64.REG_VS33

			// generate 16 byte stores
			p = s.Prog(ppc64.ASTXV)
			p.From.Type = obj.TYPE_REG

        then:
        collection.from as List == ["src1", "src2"]

        when:
        collection.from = ["a", "b"]
        then:
        collection.from as List == [["a", "b"]]
    }

    def "can mutate the from collection"() {
        collection.from("src1", "src2")
        def from = collection.from

        when:
        from.clear()

        then:
        from.empty
        collection.from.empty

}

type authzTest struct {
	from   echo.Instance
	opts   echo.CallOptions
	allow  allowValue
	prefix string
}

func newAuthzTest() *authzTest {
	return &authzTest{}
}

func (b *authzTest) Prefix(prefix string) *authzTest {
	b.prefix = prefix
	return b
}

func (b *authzTest) From(from echo.Instance) *authzTest {
	b.from = from
	return b
}

        buildScript """
            task copyTask(type: Copy) {
                into "out"
                from "b", {
                    includeEmptyDirs = false
                }
                from "a"
                from "c", {}
                from "b", {
                    includeEmptyDirs = true
                }
                duplicatesStrategy = DuplicatesStrategy.INCLUDE

	case ASBREAK:
		// SBREAK is the old name for EBREAK.
		p.As = AEBREAK

	case AMOV:
		if p.From.Type == obj.TYPE_CONST && p.From.Name == obj.NAME_NONE && p.From.Reg == obj.REG_NONE && int64(int32(p.From.Offset)) != p.From.Offset {
			ctz := bits.TrailingZeros64(uint64(p.From.Offset))
			val := p.From.Offset >> ctz
			if int64(int32(val)) == val {
				// It's ok. We can handle constants with many trailing zeros.
				break

			query: `SELECT id from s3object s WHERE s.id <= 9223372036854775807`,
			wantResult: `{"id":0}
{"id":1}
{"id":2}
{"id":3}`,
		},
		{
			name:  "bignum-2",
			query: `SELECT id from s3object s WHERE s.id >= -9223372036854775808`,
			wantResult: `{"id":0}
{"id":1}
{"id":2}
{"id":3}`,
		},
		{
			name:       "donatello-3",