1 files changed, 317 insertions, 0 deletions
diff --git a/src/regression/compare4.c b/src/regression/compare4.c
new file mode 100644
index 0000000..98c22ca
--- /dev/null
+++ b/src/regression/compare4.c
@@ -0,0 +1,317 @@
+#include "gpsim_assert.h"
+//
+// compare4.c
+// regression testing program for comparing signed chars and ints
+//
+
+//#define  COMPARE_OUT_OF_RANGE 1
+
+unsigned char failures = 0;
+
+int int0 = 0;
+int int1 = 0;
+char char0 = 0;
+char char1 = 0;
+
+void
+done()
+{
+  ASSERT(MANGLE(failures) == 0);
+  PASSED();
+}
+
+// compare to 0
+// assumes
+// char0 == 0
+// char1 != 0
+// int0  == 0
+// int1  != 0
+
+void c_0(void)
+{
+
+  if(char0 != 0)
+    failures++;
+
+  if(char0)
+    failures++;
+
+  if(char1 == 0)
+    failures++;
+
+  if(!char1)
+    failures++;
+
+  if(int0 != 0)
+    failures++;
+
+  if(int0)
+    failures++;
+
+  if(int1 == 0)
+    failures++;
+
+  if(!int1)
+    failures++;
+
+  if(char0>0)
+    failures++;
+
+  if(int0>0)
+    failures++;
+
+  if(char0<0)
+    failures++;
+
+  if(int0<0)
+    failures++;
+
+}
+
+// compare to 1
+// assumes
+// char0 != 1
+// char1 == 1
+// int0  != 1
+// int1  == 1
+
+void c_1(void)
+{
+
+  if(char0 == 1)
+    failures++;
+
+  if(char1 != 1)
+    failures++;
+
+  if(int0 == 1)
+    failures++;
+
+  if(int1 != 1)
+    failures++;
+
+  if(char0 < 0)
+    failures++;
+
+  if(int0 < 0)
+    failures++;
+
+}
+
+// compare to 2
+// assumes
+// achar0 == 2
+// aint0  == 2
+
+void c_2(void)
+{
+
+  if(char0 != 2)
+    failures++;
+
+  if(int0 != 2)
+    failures++;
+
+}
+
+// compare to 0xff
+// assumes
+// achar0 == 0xff
+// aint0  == 0xff
+
+void c_ff(void)
+{
+
+  if(char0 != (char)0xff)
+    failures++;
+
+  if(int0 != 0xff)
+    failures++;
+
+  if(int0 == 0xfe)
+    failures++;
+
+  if(int0 == 0xff00)
+    failures++;
+
+}
+
+
+// compare to 0x00a5
+// assumes
+// char0  == 0xa5
+// int0  == 0x00a5
+
+void c_a5(void)
+{
+
+  if(char0 != (char)0xa5)
+    failures++;
+
+  if(int0 != 0xa5)
+    failures++;
+
+  if(int0 == 0xa4)
+    failures++;
+
+  if(int0 == 0xa500)
+    failures++;
+
+}
+
+// compare to 0xa500
+// assumes
+// char0  == 0xa5
+// int0  == 0xa500
+
+void c_a500(void)
+{
+
+#ifdef COMPARE_OUT_OF_RANGE
+  if(char0 == 0xa500)
+    failures++;
+#endif
+
+  if(int0 != 0xa500)
+    failures++;
+
+  if(int0 != 0x44)
+    int0 = 0x28;
+
+  if(int0 == 0xa400)
+    failures++;
+
+  if(int0 == 0x00a5)
+    failures++;
+
+}
+
+// compare to 0xabcd
+// assumes
+// char0  == 0xa5
+// int0  == 0xabcd
+
+void c_abcd(void)
+{
+#ifdef COMPARE_OUT_OF_RANGE
+  if(char0 == 0xabcd)
+    failures++;
+#endif
+/*
+  if(int0 != 0xabcd)
+    failures++;
+*/
+  if(int0 == 0xab00)
+    failures++;
+
+  if(int0 == 0x00cd)
+    failures++;
+
+  if(int0 == 0x05cd)
+    failures++;
+
+  if(int0 == 0xab05)
+    failures++;
+
+  if(int0 == 0xab01)
+    failures++;
+
+  if(int0 == 0x01cd)
+    failures++;
+
+  if(int0 > 0)
+    failures++;
+
+#ifdef COMPARE_OUT_OF_RANGE
+  if(int0 == 0x1234abcd)
+    failures++;
+#endif
+
+}
+
+// assumes char1 == 0
+void c_ifelse1(void)
+{
+
+  if(char0)
+    char0 = char1;
+  else
+    char0 = 0;
+
+  if(char0)
+    failures++;
+}
+
+// assumes char0 = -1
+// assumes int0 = -1
+
+void c_minus1(void)
+{
+  if(char0 != -1)
+    failures++;
+
+  if(int0 != -1)
+    failures++;
+
+  if(char0 != int0)
+    failures++;
+
+  if(char0>0)
+    failures++;
+
+  if(int0>0)
+    failures++;
+}
+
+void c_c0gtc1(void)
+{
+
+  if(char0 < char1)
+    failures++;
+}
+
+void
+main (void)
+{
+
+  int1 = 1;
+  char1 = 1;
+  c_0();
+  c_1();
+
+  int0 = 2;
+  char0 = 2;
+  c_2();
+
+  int0 = 0xff;
+  char0 = 0xff;
+  c_ff();
+
+  int0 = 0xa5;
+  char0 = 0xa5;
+  c_a5();
+
+  int0 = 0xabcd;
+  //c_abcd();
+
+  char0 = 0;
+  char1 = 0;
+  c_ifelse1();
+
+  char0 = 1;
+  c_ifelse1();
+
+  char0 = -1;
+  int0 = -1;
+  c_minus1();
+
+
+  char0 = 5;
+  char1 = 3;
+  c_c0gtc1();
+
+  char1 = -3;
+  c_c0gtc1();
+
+  done ();
+}