diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index f5ba52c..e579c10 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -96,6 +96,13 @@
 extern bool use_mips32r2_instructions;
 #endif
 
+/* MIPS32R6 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 6)
+#define use_mips32r6_instructions  1
+#else
+#define use_mips32r6_instructions  0
+#endif
+
 /* optional instructions */
 #define TCG_TARGET_HAS_div_i32          1
 #define TCG_TARGET_HAS_rem_i32          1