update reva to v2.17.0

vendor/github.com/cornelk/hashmap/util.go

@@ -0,0 +1,32 @@
+package hashmap
+
+import (
+	"strconv"
+)
+
+const (
+	// intSizeBytes is the size in byte of an int or uint value.
+	intSizeBytes = strconv.IntSize >> 3
+)
+
+// roundUpPower2 rounds a number to the next power of 2.
+func roundUpPower2(i uintptr) uintptr {
+	i--
+	i |= i >> 1
+	i |= i >> 2
+	i |= i >> 4
+	i |= i >> 8
+	i |= i >> 16
+	i |= i >> 32
+	i++
+	return i
+}
+
+// log2 computes the binary logarithm of x, rounded up to the next integer.
+func log2(i uintptr) uintptr {
+	var n, p uintptr
+	for p = 1; p < i; p += p {
+		n++
+	}
+	return n
+}