const (
	letterIdxBits = 6                    // 6 bits to represent a letter index
	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
	letterIdxMax  = 63 / letterIdxBits   // # of letter indices fitting in 63 bits
)

// Random number state.
// We generate random temporary file names so that there's a good
// chance the file doesn't exist yet.
var (
	randN  uint32
	randmu sync.Mutex

0000100 43 58 12 b2 5a a5 c6 7d 68 55 88 d4 98 75 18 6d
0000110 08 d1 1f 8f 5a 9e 96 ee 45 cf a4 84 4e 4b e8 50
0000120 a7 13 d9 06 de 52 81 97 36 b2 d7 b8 fc 2b 5f 55
0000130 23 1f 32 59 cf 30 27 fb e2 8a b9 de 45 dd 63 9c
0000140 4b b5 8b 96 4c 7a 62 62 cc a1 a7 cf fa f1 fe dd
0000150 54 62 11 bf 36 78 b3 c7 b1 b5 f2 61 4d 4e dd 66
0000160 32 2e e6 70 34 5f f4 c9 e6 6c 43 6f da 6b c6 c3
0000170 09 2c ce 09 57 7f d2 7e b4 23 ba 7c 1b 99 bc 22

		// Test listing an empty directory in recursive mode (62)
		{"test-bucket-empty-dir", "", "", "", 10, resultCases[31], nil, true},
		// Test listing an empty directory in a non recursive mode (63)
		{"test-bucket-empty-dir", "", "", SlashSeparator, 10, resultCases[32], nil, true},
		// Test listing a directory which contains an empty directory (64)

	MOVD $2199090364416, R5         // 60058001
	// Hex constant 0xFFFFFE0004000000
	MOVD $-2198956146688, R5        // 38a08001
	// TODO: On GOPPC64={power8,power9}, this is preprocessed into MOVD $-1, R5; RLDC R5, $33, $63, R5.
	//       This only captures the MOVD. Should the RLDC be appended to the encoding by the test?
	// Hex constant 0xFFFFFFFE00000001
	MOVD $-8589934591, R5           // 38a0ffff or 0602000038a00001

              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 0,
        "y": 12
      },
      "id": 63,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {

                }
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 12,
        "y": 6
      },
      "id": 63,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {

      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 0,
        "y": 12
      },
      "hiddenSeries": false,
      "id": 63,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },

- login: Alexandrhub
  count: 68
  avatarUrl: https://avatars.githubusercontent.com/u/119126536?u=9fc0d48f3307817bafecc5861eb2168401a6cb04&v=4
  url: https://github.com/Alexandrhub
- login: waynerv
  count: 63
  avatarUrl: https://avatars.githubusercontent.com/u/39515546?u=ec35139777597cdbbbddda29bf8b9d4396b429a9&v=4
  url: https://github.com/waynerv
- login: hard-coders
  count: 53

          "unit": "binBps"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 6,
        "w": 7,
        "x": 9,
        "y": 6
      },
      "id": 63,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "hidden",
          "placement": "right",
          "showLegend": false
        },
        "tooltip": {