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-rw-r--r--sysdeps/tile/tilegx/string-endian.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/tile/tilegx/string-endian.h b/sysdeps/tile/tilegx/string-endian.h
index 6a3f882e60..09b57810df 100644
--- a/sysdeps/tile/tilegx/string-endian.h
+++ b/sysdeps/tile/tilegx/string-endian.h
@@ -58,7 +58,8 @@ static inline uint64_t copy_byte(uint8_t byte)
 }
 
 /* Implement the byte vector instructions using extended assembly.
-   The __insn_OP() builtins are buggy in current compiler versions.  */
+   The __insn_OP() builtins are buggy in the upstream compiler;
+   see gcc bugzilla 78117.  */
 
 #define VECOP(OP)                                                       \
   static inline uint64_t OP (uint64_t a, uint64_t b)                    \