added tests as prepared by oliver

test/val/rotate1.c

@@ -0,0 +1,201 @@
+/*
+  !!DESCRIPTION!! Shift bytes left and right by a constant.
+  !!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;
+#endif
+unsigned int aint0 = 0;
+unsigned int aint1 = 0;
+unsigned char achar0 = 0;
+unsigned char achar1 = 0;
+unsigned char achar2 = 0;
+
+void done()
+{
+  dummy++;
+}
+
+void check(void)
+{
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_1(void)
+{
+  achar0 <<= 1;
+
+  check();
+}
+
+void shift_left_2(void)
+{
+  achar0 <<= 2;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_3(void)
+{
+  achar0 <<= 3;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_4(void)
+{
+  achar0 <<= 4;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_5(void)
+{
+  achar0 <<= 5;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_6(void)
+{
+  achar0 <<= 6;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_left_7(void)
+{
+  achar0 <<= 7;
+
+  if(achar0 != achar1)
+    failures++;
+}
+
+void shift_right_1(void)
+{
+  achar0 >>= 1;
+
+  check();
+}
+
+void shift_right_2(void)
+{
+  achar0 >>= 2;
+
+  check();
+}
+
+void shift_right_3(void)
+{
+  achar0 >>= 3;
+
+  check();
+}
+
+void shift_right_4(void)
+{
+  achar0 >>= 4;
+
+  check();
+}
+
+void shift_right_5(void)
+{
+  achar0 >>= 5;
+
+  check();
+}
+
+void shift_right_6(void)
+{
+  achar0 >>= 6;
+
+  check();
+}
+
+void shift_right_7(void)
+{
+  achar0 >>= 7;
+
+  check();
+}
+
+int main(void)
+{
+  /* call with both values zero */
+  shift_left_1();
+
+  achar0 = 1;
+  achar1 = 2;
+  for(achar2=0; achar2<6; achar2++) {
+    shift_left_1();
+    achar1 <<=1;
+  }
+
+  achar0 = 1;
+  achar1 = 4;
+  shift_left_2();
+
+  achar0 = 1;
+  achar1 = 8;
+  shift_left_3();
+
+  achar0 = 1;
+  achar1 = 0x10;
+  shift_left_4();
+
+  achar0 = 1;
+  achar1 = 0x20;
+  shift_left_5();
+
+  achar0 = 1;
+  achar1 = 0x40;
+  shift_left_6();
+
+  achar0 = 1;
+  achar1 = 0x80;
+  shift_left_7();
+
+  achar0 = 2;
+  achar1 = 1;
+  shift_right_1();
+
+  achar0 = 4;
+  shift_right_2();
+
+  achar0 = 8;
+  shift_right_3();
+
+  achar0 = 0x10;
+  shift_right_4();
+
+  achar0 = 0x20;
+  shift_right_5();
+
+  achar0 = 0x40;
+  shift_right_6();
+
+  achar0 = 0x80;
+  shift_right_7();
+
+  success=failures;
+  done();
+  printf("failures: %d\n",failures);
+
+  return failures;
+}