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diff --git a/src/runtime/tls_mips64x.s b/src/runtime/tls_mips64x.s
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+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build mips64 || mips64le
+
+#include "go_asm.h"
+#include "go_tls.h"
+#include "funcdata.h"
+#include "textflag.h"
+
+// If !iscgo, this is a no-op.
+//
+// NOTE: mcall() assumes this clobbers only R23 (REGTMP).
+TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
+ MOVB runtime·iscgo(SB), R23
+ BEQ R23, nocgo
+
+ MOVV R3, R23 // save R3
+ MOVV g, runtime·tls_g(SB) // TLS relocation clobbers R3
+ MOVV R23, R3 // restore R3
+
+nocgo:
+ RET
+
+TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
+ MOVV runtime·tls_g(SB), g // TLS relocation clobbers R3
+ RET
+
+GLOBL runtime·tls_g(SB), TLSBSS, $8