Generate a call to _divide_by_zero_error on RiscV

tests/expectations/printi_negative_hex.txt

@@ -0,0 +1 @@
+-129

tests/expectations/printi_signed_hex.txt

@@ -0,0 +1 @@
+129

tests/vm/printi_negative_hex.elna

@@ -0,0 +1,3 @@
+proc main() {
+  printi(-0x81);
+}

tests/vm/printi_signed_hex.elna

@@ -0,0 +1,3 @@
+proc main() {
+  printi(+0x81);
+}