added tests as prepared by oliver

test/val/bool3.c

@@ -0,0 +1,66 @@
+/*
+  !!DESCRIPTION!! Compound comparisons
+  !!ORIGIN!!      SDCC regression tests
+  !!LICENCE!!     GPL, read COPYING.GPL
+*/
+
+#include <stdio.h>
+#include <limits.h>
+
+unsigned char success=0;
+unsigned char failures=0;
+unsigned char dummy=0;
+
+#ifdef SUPPORT_BIT_TYPES
+bit bit0 = 0;
+bit bit1 = 0;
+#endif
+unsigned int ui0 = 0;
+unsigned int ui1 = 0;
+unsigned char uc0 = 0;
+unsigned char uc1 = 0;
+unsigned long uL0 = 0;
+unsigned long uL1 = 0;
+
+void done()
+{
+  dummy++;
+}
+
+void compound_compare_uc(void)
+{
+  failures += (uc0 != uc1);
+}
+
+void compound_compare_ui(void)
+{
+  failures += (ui0 != ui1);
+}
+
+void compound_compare_ul(void)
+{
+  failures += (uL0 != uL1);
+}
+
+void compound_compare_uc_lit(void)
+{
+  failures += (uc0 != 0xff);
+  failures += (uc0 != 0xff);
+  failures += (uc0 == 0);
+}
+
+int  main(void)
+{
+  compound_compare_uc();
+  compound_compare_ui();
+  compound_compare_ul();
+
+  uc0 = 0xff;
+  compound_compare_uc_lit();
+
+  success = failures;
+  done();
+  printf("failures: %d\n",failures);
+
+  return failures;
+}