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-rw-r--r--target/mips/translate.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index a21b277175..c79da3c2e4 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -28313,7 +28313,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
          break;
     case OPC_LL: /* Load and stores */
         check_insn(ctx, ISA_MIPS2);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         /* Fallthrough */
     case OPC_LWL:
     case OPC_LWR:
@@ -28339,7 +28341,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_SC:
         check_insn(ctx, ISA_MIPS2);
          check_insn_opc_removed(ctx, ISA_MIPS32R6);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
          gen_st_cond(ctx, op, rt, rs, imm);
          break;
     case OPC_CACHE:
@@ -28607,7 +28611,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
 #if defined(TARGET_MIPS64)
     /* MIPS64 opcodes */
     case OPC_LLD:
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         /* fall through */
     case OPC_LDL:
     case OPC_LDR:
@@ -28631,7 +28637,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_SCD:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
         check_insn(ctx, ISA_MIPS3);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         check_mips_64(ctx);
         gen_st_cond(ctx, op, rt, rs, imm);
         break;