diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs
index 6ba01e38773..2bbd0dd6ca6 100644
--- a/compiler/rustc_codegen_ssa/src/back/metadata.rs
+++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs
@@ -194,8 +194,7 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
         "x86" => Architecture::I386,
         "s390x" => Architecture::S390x,
         "mips" => Architecture::Mips,
-        "mips64" => Architecture::Mips64,
-        "mips64r6" => Architecture::Mips64,
+        "mips64" | "mips64r6" => Architecture::Mips64,
         "x86_64" => {
             if sess.target.pointer_width == 32 {
                 Architecture::X86_64_X32
diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs
index d99ead3e8ac..d2b4f20cdbf 100644
--- a/compiler/rustc_target/src/abi/call/mod.rs
+++ b/compiler/rustc_target/src/abi/call/mod.rs
@@ -694,8 +694,7 @@ impl<'a, Ty> FnAbi<'a, Ty> {
             "loongarch64" => loongarch::compute_abi_info(cx, self),
             "m68k" => m68k::compute_abi_info(self),
             "mips" => mips::compute_abi_info(cx, self),
-            "mips64" => mips64::compute_abi_info(cx, self),
-            "mips64r6" => mips64::compute_abi_info(cx, self),
+            "mips64" | "mips64r6" => mips64::compute_abi_info(cx, self),
             "powerpc" => powerpc::compute_abi_info(self),
             "powerpc64" => powerpc64::compute_abi_info(cx, self),
             "s390x" => s390x::compute_abi_info(cx, self),
diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs
index d543899d58e..8c3fef4b1ad 100644
--- a/compiler/rustc_target/src/asm/mod.rs
+++ b/compiler/rustc_target/src/asm/mod.rs
@@ -239,8 +239,7 @@ impl FromStr for InlineAsmArch {
             "hexagon" => Ok(Self::Hexagon),
             "loongarch64" => Ok(Self::LoongArch64),
             "mips" => Ok(Self::Mips),
-            "mips64" => Ok(Self::Mips64),
-            "mips64r6" => Ok(Self::Mips64),
+            "mips64" | "mips64r6" => Ok(Self::Mips64),
             "s390x" => Ok(Self::S390x),
             "spirv" => Ok(Self::SpirV),
             "wasm32" => Ok(Self::Wasm32),