diff --git a/src/libstd/unstable/intrinsics.rs b/src/libstd/unstable/intrinsics.rs
index e0089b599c5b6..bc88abaae973f 100644
--- a/src/libstd/unstable/intrinsics.rs
+++ b/src/libstd/unstable/intrinsics.rs
@@ -486,33 +486,33 @@ extern "rust-intrinsic" {
     pub fn u64_mul_with_overflow(x: u64, y: u64) -> (u64, bool);
 }
 
-#[cfg(target_endian = "little")] pub fn to_le16(x: i16) -> i16 { x }
-#[cfg(target_endian = "big")]    pub fn to_le16(x: i16) -> i16 { unsafe { bswap16(x) } }
-#[cfg(target_endian = "little")] pub fn to_le32(x: i32) -> i32 { x }
-#[cfg(target_endian = "big")]    pub fn to_le32(x: i32) -> i32 { unsafe { bswap32(x) } }
-#[cfg(target_endian = "little")] pub fn to_le64(x: i64) -> i64 { x }
-#[cfg(target_endian = "big")]    pub fn to_le64(x: i64) -> i64 { unsafe { bswap64(x) } }
-
-#[cfg(target_endian = "little")] pub fn to_be16(x: i16) -> i16 { unsafe { bswap16(x) } }
-#[cfg(target_endian = "big")]    pub fn to_be16(x: i16) -> i16 { x }
-#[cfg(target_endian = "little")] pub fn to_be32(x: i32) -> i32 { unsafe { bswap32(x) } }
-#[cfg(target_endian = "big")]    pub fn to_be32(x: i32) -> i32 { x }
-#[cfg(target_endian = "little")] pub fn to_be64(x: i64) -> i64 { unsafe { bswap64(x) } }
-#[cfg(target_endian = "big")]    pub fn to_be64(x: i64) -> i64 { x }
-
-#[cfg(target_endian = "little")] pub fn from_le16(x: i16) -> i16 { x }
-#[cfg(target_endian = "big")]    pub fn from_le16(x: i16) -> i16 { unsafe { bswap16(x) } }
-#[cfg(target_endian = "little")] pub fn from_le32(x: i32) -> i32 { x }
-#[cfg(target_endian = "big")]    pub fn from_le32(x: i32) -> i32 { unsafe { bswap32(x) } }
-#[cfg(target_endian = "little")] pub fn from_le64(x: i64) -> i64 { x }
-#[cfg(target_endian = "big")]    pub fn from_le64(x: i64) -> i64 { unsafe { bswap64(x) } }
-
-#[cfg(target_endian = "little")] pub fn from_be16(x: i16) -> i16 { unsafe { bswap16(x) } }
-#[cfg(target_endian = "big")]    pub fn from_be16(x: i16) -> i16 { x }
-#[cfg(target_endian = "little")] pub fn from_be32(x: i32) -> i32 { unsafe { bswap32(x) } }
-#[cfg(target_endian = "big")]    pub fn from_be32(x: i32) -> i32 { x }
-#[cfg(target_endian = "little")] pub fn from_be64(x: i64) -> i64 { unsafe { bswap64(x) } }
-#[cfg(target_endian = "big")]    pub fn from_be64(x: i64) -> i64 { x }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_le16(x: i16) -> i16 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_le16(x: i16) -> i16 { unsafe { bswap16(x) } }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_le32(x: i32) -> i32 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_le32(x: i32) -> i32 { unsafe { bswap32(x) } }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_le64(x: i64) -> i64 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_le64(x: i64) -> i64 { unsafe { bswap64(x) } }
+
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_be16(x: i16) -> i16 { unsafe { bswap16(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_be16(x: i16) -> i16 { x }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_be32(x: i32) -> i32 { unsafe { bswap32(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_be32(x: i32) -> i32 { x }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn to_be64(x: i64) -> i64 { unsafe { bswap64(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn to_be64(x: i64) -> i64 { x }
+
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_le16(x: i16) -> i16 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_le16(x: i16) -> i16 { unsafe { bswap16(x) } }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_le32(x: i32) -> i32 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_le32(x: i32) -> i32 { unsafe { bswap32(x) } }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_le64(x: i64) -> i64 { x }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_le64(x: i64) -> i64 { unsafe { bswap64(x) } }
+
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_be16(x: i16) -> i16 { unsafe { bswap16(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_be16(x: i16) -> i16 { x }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_be32(x: i32) -> i32 { unsafe { bswap32(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_be32(x: i32) -> i32 { x }
+#[cfg(target_endian = "little")] #[inline(always)] pub fn from_be64(x: i64) -> i64 { unsafe { bswap64(x) } }
+#[cfg(target_endian = "big")]    #[inline(always)] pub fn from_be64(x: i64) -> i64 { x }
 
 /// `TypeId` represents a globally unique identifier for a type
 #[lang="type_id"] // This needs to be kept in lockstep with the code in trans/intrinsic.rs and