Subzero: Crosstest test_arith properly tests i8/i16.

crosstest/test_arith.cpp

Index: crosstest/test_arith.cpp
diff --git a/crosstest/test_arith.cpp b/crosstest/test_arith.cpp
index 6ef2cc6878a6ec6ef1a19dd9c90486144120e2b6..f2658d85f45da033b5cdb750bed323eecf1bec17 100644
--- a/crosstest/test_arith.cpp
+++ b/crosstest/test_arith.cpp
@@ -19,6 +19,10 @@
 #include "test_arith.h"
 #include "xdefs.h"
 
+#if 0
+// The following is commented out, and instead, a python script auto-generates a
+// .ll file with the equivalent functionality.
+
 #define X(inst, op, isdiv, isshift)                                            \
   bool test##inst(bool a, bool b) { return a op b; }                           \
   uint8_t test##inst(uint8_t a, uint8_t b) { return a op b; }                  \
@@ -50,6 +54,8 @@ SINTOP_TABLE
 FPOP_TABLE
 #undef X
 
+#endif // 0
+
 #define X(mult_by)                                                             \
   bool testMultiplyBy##mult_by(bool a, bool /*unused*/) {                      \
     return a * (mult_by);                                                      \