diff --git a/src/liballoc_jemalloc/lib.rs b/src/liballoc_jemalloc/lib.rs
index 347e97e6ffc..aae0528e42c 100644
--- a/src/liballoc_jemalloc/lib.rs
+++ b/src/liballoc_jemalloc/lib.rs
@@ -77,7 +77,8 @@
 #[cfg(all(any(target_arch = "x86",
               target_arch = "x86_64",
               target_arch = "aarch64",
-              target_arch = "powerpc64")))]
+              target_arch = "powerpc64",
+              target_arch = "mips64")))]
 const MIN_ALIGN: usize = 16;
 
 // MALLOCX_ALIGN(a) macro
diff --git a/src/liballoc_system/lib.rs b/src/liballoc_system/lib.rs
index 9eade937bfb..2c0c6d068ca 100644
--- a/src/liballoc_system/lib.rs
+++ b/src/liballoc_system/lib.rs
@@ -32,7 +32,8 @@
               target_arch = "asmjs")))]
 const MIN_ALIGN: usize = 8;
 #[cfg(all(any(target_arch = "x86_64",
-              target_arch = "aarch64")))]
+              target_arch = "aarch64",
+              target_arch = "mips64")))]
 const MIN_ALIGN: usize = 16;
 
 #[no_mangle]
diff --git a/src/libpanic_unwind/gcc.rs b/src/libpanic_unwind/gcc.rs
index bd0c2f5126d..c2e8eccbd22 100644
--- a/src/libpanic_unwind/gcc.rs
+++ b/src/libpanic_unwind/gcc.rs
@@ -124,7 +124,7 @@ fn rust_exception_class() -> uw::_Unwind_Exception_Class {
 #[cfg(any(target_arch = "arm", target_arch = "aarch64"))]
 const UNWIND_DATA_REG: (i32, i32) = (0, 1); // R0, R1 / X0, X1
 
-#[cfg(any(target_arch = "mips", target_arch = "mipsel"))]
+#[cfg(any(target_arch = "mips", target_arch = "mipsel", target_arch = "mips64"))]
 const UNWIND_DATA_REG: (i32, i32) = (4, 5); // A0, A1
 
 #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
diff --git a/src/libstd/env.rs b/src/libstd/env.rs
index 753411991ab..0380965ed20 100644
--- a/src/libstd/env.rs
+++ b/src/libstd/env.rs
@@ -661,6 +661,7 @@ pub mod consts {
     /// - arm
     /// - aarch64
     /// - mips
+    /// - mips64
     /// - powerpc
     /// - powerpc64
     #[stable(feature = "env", since = "1.0.0")]
@@ -928,6 +929,11 @@ mod arch {
     pub const ARCH: &'static str = "mips";
 }
 
+#[cfg(target_arch = "mips64")]
+mod arch {
+    pub const ARCH: &'static str = "mips64";
+}
+
 #[cfg(target_arch = "powerpc")]
 mod arch {
     pub const ARCH: &'static str = "powerpc";
diff --git a/src/libstd/os/linux/raw.rs b/src/libstd/os/linux/raw.rs
index 1be76961fea..0f62877500b 100644
--- a/src/libstd/os/linux/raw.rs
+++ b/src/libstd/os/linux/raw.rs
@@ -155,6 +155,11 @@ pub struct stat {
     }
 }
 
+#[cfg(target_arch = "mips64")]
+mod arch {
+    pub use libc::{off_t, ino_t, nlink_t, blksize_t, blkcnt_t, stat, time_t};
+}
+
 #[cfg(target_arch = "aarch64")]
 mod arch {
     use os::raw::{c_long, c_int};
diff --git a/src/libunwind/libunwind.rs b/src/libunwind/libunwind.rs
index 680ad3ecd64..8292a684178 100644
--- a/src/libunwind/libunwind.rs
+++ b/src/libunwind/libunwind.rs
@@ -56,6 +56,9 @@ pub enum _Unwind_Reason_Code {
 #[cfg(target_arch = "mips")]
 pub const unwinder_private_data_size: usize = 2;
 
+#[cfg(target_arch = "mips64")]
+pub const unwinder_private_data_size: usize = 2;
+
 #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
 pub const unwinder_private_data_size: usize = 2;