{Name: "vfpv3", Feature: &ARM.HasVFPv3},
		{Name: "vfpv3d16", Feature: &ARM.HasVFPv3D16},
		{Name: "vfpv4", Feature: &ARM.HasVFPv4},
		{Name: "half", Feature: &ARM.HasHALF},
		{Name: "26bit", Feature: &ARM.Has26BIT},
		{Name: "fastmul", Feature: &ARM.HasFASTMUL},
		{Name: "fpa", Feature: &ARM.HasFPA},
		{Name: "edsp", Feature: &ARM.HasEDSP},
		{Name: "java", Feature: &ARM.HasJAVA},

	})
}

type benchCase struct {
	name string
	num  int64
}

func benchmarkParseInt(b *testing.B, neg int) {
	cases := []benchCase{
		{"7bit", 1<<7 - 1},
		{"26bit", 1<<26 - 1},
		{"31bit", 1<<31 - 1},
		{"56bit", 1<<56 - 1},
		{"63bit", 1<<63 - 1},
	}
	for _, cs := range cases {
		b.Run(cs.name, func(b *testing.B) {
			s := fmt.Sprintf("%d", cs.num*int64(neg))
			for i := 0; i < b.N; i++ {

		for si < len(src) && (src[si] == '\n' || src[si] == '\r') {
			si++
		}
		if si < len(src) {
			// trailing garbage
			err = CorruptInputError(si)
		}
		dlen = j
		break
	}

	// Convert 4x 6bit source bytes into 3 bytes
	val := uint(dbuf[0])<<18 | uint(dbuf[1])<<12 | uint(dbuf[2])<<6 | uint(dbuf[3])
	dbuf[2], dbuf[1], dbuf[0] = byte(val>>0), byte(val>>8), byte(val>>16)
	switch dlen {
	case 4:
		dst[2] = dbuf[2]

			t.Errorf("%v:\n\t     %v\n\t-    %v\n\t=    %v\n\twant %v",
				mode, x, x, got, want)
		}
	}
}

// TestFloatAdd32 tests that Float.Add/Sub of numbers with
// 24bit mantissa behaves like float32 addition/subtraction
// (excluding denormal numbers).
func TestFloatAdd32(t *testing.T) {
	// chose base such that we cross the mantissa precision limit