(Select1 (NEGLflags (NEGQ (SBBQcarrymask x)))) => x


(Mul64uhilo ...) => (MULQU2 ...)
(Div128u ...) => (DIVQU2 ...)

(Avg64u ...) => (AVGQU ...)

(Mod(64|32|16) [a] x y) => (Select1 (DIV(Q|L|W) [a] x y))
(Mod8  x y) => (Select1 (DIVW  (SignExt8to16 x) (SignExt8to16 y)))
(Mod(64|32|16)u x y) => (Select1 (DIV(Q|L|W)U x y))
(Mod8u x y) => (Select1 (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y)))

(And(64|32|16|8) ...) => (AND(Q|L|L|L) ...)

	{0, `time.Now().UnixMicro()`, func() { u = Now().UnixMicro() }},
}

func TestCountMallocs(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping malloc count in short mode")
	}
	if runtime.GOMAXPROCS(0) > 1 {
		t.Skip("skipping; GOMAXPROCS>1")
	}
	for _, mt := range mallocTest {
		allocs := int(testing.AllocsPerRun(100, mt.fn))
		if allocs > mt.count {

		if err != nil {
			return err
		}
		return t.checkExpectedOutput(out)

	case "buildrun":
		// Build an executable from Go file, then run it, verify its output.
		// Useful for timeout tests where failure mode is infinite loop.
		// TODO: not supported on NaCl
		cmd := []string{goTool, "build", t.goGcflags(), "-o", "a.exe"}
		if *linkshared {
			cmd = append(cmd, "-linkshared")
		}

            "MulNoNan", "FloorDiv", "Xlogy", "Xlog1py", "Xdivy", "FloorMod",
            "BitwiseAnd", "BitwiseOr", "BitwiseXor", "LeftShift", "RightShift",
            "LogicalAnd", "LogicalOr", "Mod", "Maximum", "Minimum", "RealDiv",
            "ReciprocalGrad", "RsqrtGrad", "SqrtGrad", "TruncateDiv",
            "TruncateMod", "Equal", "NotEqual", "Greater", "GreaterEqual",

	MOVD in1+8(FP), P1ptr
	MOVD in2+16(FP), P2ptr

	MOVD $p256mul<>+0x00(SB), CPOOL
	VL   16(CPOOL), PL
	VL   0(CPOOL), PH

	//	if (sign == 1) {
	//		Y2 = fromBig(new(big.Int).Mod(new(big.Int).Sub(p256.P, new(big.Int).SetBytes(Y2)), p256.P)) // Y2  = P-Y2
	//	}

	VL   48(P2ptr), Y2H
	VPDI $0x4, Y2H, Y2H, Y2H
	VL   32(P2ptr), Y2L
	VPDI $0x4, Y2L, Y2L, Y2L

// or module is tagged with a newer version of Go than this go/types.
func TestTooNew(t *testing.T) {
	for _, test := range []struct {
		goVersion   string // package's Go version (as if derived from go.mod file)
		fileVersion string // file's Go version (becomes a build tag)
		wantErr     string // expected substring of concatenation of all errors
	}{
		{"go1.98", "", "package requires newer Go version go1.98"},

// or module is tagged with a newer version of Go than this go/types.
func TestTooNew(t *testing.T) {
	for _, test := range []struct {
		goVersion   string // package's Go version (as if derived from go.mod file)
		fileVersion string // file's Go version (becomes a build tag)
		wantErr     string // expected substring of concatenation of all errors
	}{
		{"go1.98", "", "package requires newer Go version go1.98"},

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            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",