1 files changed, 35 insertions, 10 deletions
diff --git a/src/libcore/hash/sip.rs b/src/libcore/hash/sip.rs
index d405d0d28be..ce8917cc205 100644
--- a/src/libcore/hash/sip.rs
+++ b/src/libcore/hash/sip.rs
@@ -15,7 +15,9 @@
 use prelude::*;
 use default::Default;
 
-use super::{Hasher, Writer};
+use super::Hasher;
+#[cfg(stage0)]
+use super::Writer;
 
 /// An implementation of SipHash 2-4.
 ///
@@ -30,6 +32,7 @@ use super::{Hasher, Writer};
 /// strong, this implementation has not been reviewed for such purposes.
 /// As such, all cryptographic uses of this implementation are strongly
 /// discouraged.
+#[stable(feature = "rust1", since = "1.0.0")]
 pub struct SipHasher {
     k0: u64,
     k1: u64,
@@ -88,12 +91,14 @@ macro_rules! compress {
 impl SipHasher {
     /// Creates a new `SipHasher` with the two initial keys set to 0.
     #[inline]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new() -> SipHasher {
         SipHasher::new_with_keys(0, 0)
     }
 
     /// Creates a `SipHasher` that is keyed off the provided keys.
     #[inline]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new_with_keys(key0: u64, key1: u64) -> SipHasher {
         let mut state = SipHasher {
             k0: key0,
@@ -114,10 +119,16 @@ impl SipHasher {
     #[unstable(feature = "hash")]
     #[deprecated(since = "1.0.0", reason = "renamed to finish")]
     pub fn result(&self) -> u64 { self.finish() }
-}
 
-impl Writer for SipHasher {
-    #[inline]
+    fn reset(&mut self) {
+        self.length = 0;
+        self.v0 = self.k0 ^ 0x736f6d6570736575;
+        self.v1 = self.k1 ^ 0x646f72616e646f6d;
+        self.v2 = self.k0 ^ 0x6c7967656e657261;
+        self.v3 = self.k1 ^ 0x7465646279746573;
+        self.ntail = 0;
+    }
+
     fn write(&mut self, msg: &[u8]) {
         let length = msg.len();
         self.length += length;
@@ -164,16 +175,28 @@ impl Writer for SipHasher {
     }
 }
 
+#[cfg(stage0)]
+impl Writer for SipHasher {
+    #[inline]
+    fn write(&mut self, msg: &[u8]) {
+        self.write(msg)
+    }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
 impl Hasher for SipHasher {
+    #[cfg(stage0)]
     type Output = u64;
 
+    #[cfg(stage0)]
     fn reset(&mut self) {
-        self.length = 0;
-        self.v0 = self.k0 ^ 0x736f6d6570736575;
-        self.v1 = self.k1 ^ 0x646f72616e646f6d;
-        self.v2 = self.k0 ^ 0x6c7967656e657261;
-        self.v3 = self.k1 ^ 0x7465646279746573;
-        self.ntail = 0;
+        self.reset();
+    }
+
+    #[inline]
+    #[cfg(not(stage0))]
+    fn write(&mut self, msg: &[u8]) {
+        self.write(msg)
     }
 
     fn finish(&self) -> u64 {
@@ -199,6 +222,7 @@ impl Hasher for SipHasher {
     }
 }
 
+#[stable(feature = "rust1", since = "1.0.0")]
 impl Clone for SipHasher {
     #[inline]
     fn clone(&self) -> SipHasher {
@@ -216,6 +240,7 @@ impl Clone for SipHasher {
     }
 }
 
+#[stable(feature = "rust1", since = "1.0.0")]
 impl Default for SipHasher {
     fn default() -> SipHasher {
         SipHasher::new()