diff --git a/src/cpu/core_dyn_x86/decoder.h b/src/cpu/core_dyn_x86/decoder.h
index e2e7ba5d..a6038876 100644
--- a/src/cpu/core_dyn_x86/decoder.h
+++ b/src/cpu/core_dyn_x86/decoder.h
@@ -1954,6 +1954,9 @@ static void dyn_loop(LoopTypes type) {
 		gen_needflags();
 		branch1=gen_create_branch(BR_Z);
 		break;
+	case LOOP_NONE:
+	case LOOP_JCXZ:
+		break;
 	}
 	gen_protectflags();
 	switch (type) {
diff --git a/src/cpu/core_dyn_x86/string.h b/src/cpu/core_dyn_x86/string.h
index 8b27672b..5a28958a 100644
--- a/src/cpu/core_dyn_x86/string.h
+++ b/src/cpu/core_dyn_x86/string.h
@@ -104,6 +104,8 @@ static void dyn_string(STRING_OP op) {
 			gen_call_function((void*)&IO_WriteW,"%Dw%Dw",DREG(EDX),tmp_reg);break;
 		case STR_OUTSD:
 			gen_call_function((void*)&IO_WriteD,"%Dw%Dd",DREG(EDX),tmp_reg);break;
+		default:
+			break;
 		}
 	}
 	if (usedi) {