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-rw-r--r--target/arm/translate.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/target/arm/translate.h b/target/arm/translate.h
index 6c8d5f6ede..e2f056c32c 100644
--- a/target/arm/translate.h
+++ b/target/arm/translate.h
@@ -540,7 +540,8 @@ static inline MemOp finalize_memop(DisasContext *s, MemOp opc)
* VMVN and VBIC (when cmode < 14 && op == 1).
*
* The combination cmode == 15 op == 1 is a reserved encoding for AArch32;
- * callers must catch this.
+ * callers must catch this; we return the 64-bit constant value defined
+ * for AArch64.
*
* cmode = 2,3,4,5,6,7,10,11,12,13 imm=0 was UNPREDICTABLE in v7A but
* is either not unpredictable or merely CONSTRAINED UNPREDICTABLE in v8A;