added tests as prepared by oliver

test/val/rotate4.c

@@ -0,0 +1,228 @@
+/*
+  !!DESCRIPTION!! rotate 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
+#ifdef SIZEOF_INT_16BIT
+#if defined(__LINUX__) || defined(LINUX)
+unsigned short aint0 = 0;
+unsigned short aint1 = 0;
+
+#else
+unsigned int aint0 = 0;
+unsigned int aint1 = 0;
+
+#endif
+
+#else
+unsigned int aint0 = 0;
+unsigned int aint1 = 0;
+
+#endif
+unsigned char uchar0 = 0;
+unsigned char uchar1 = 0;
+unsigned char uchar2 = 0;
+
+void done()
+{
+  dummy++;
+}
+
+void check(void)
+{
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_left_1(void)
+{
+  uchar0 = (uchar0<<1) | (uchar0>>7);
+
+  check();
+}
+
+void rotate_left_2(void)
+{
+  uchar0 = (uchar0<<2) | (uchar0>>6);
+
+  check();
+}
+
+void rotate_left_3(void)
+{
+  uchar0 <<= 3;
+
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_left_4(void)
+{
+  uchar0 <<= 4;
+
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_left_5(void)
+{
+  uchar0 <<= 5;
+
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_left_6(void)
+{
+  uchar0 <<= 6;
+
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_left_7(void)
+{
+  uchar0 <<= 7;
+
+  if(uchar0 != uchar1)
+    failures++;
+}
+
+void rotate_right_1(void)
+{
+  uchar0 = (uchar0>>1) | (uchar0<<7);
+
+  check();
+}
+
+void rotate_right_2(void)
+{
+  uchar0 = (uchar0>>2) | (uchar0<<6);
+
+  check();
+}
+
+void rotate_right_3(void)
+{
+  uchar0 >>= 3;
+
+  check();
+}
+
+void rotate_right_4(void)
+{
+  uchar0 >>= 4;
+
+  check();
+}
+
+void rotate_right_5(void)
+{
+  uchar0 >>= 5;
+
+  check();
+}
+
+void rotate_right_6(void)
+{
+  uchar0 >>= 6;
+
+  check();
+}
+
+void rotate_right_7(void)
+{
+  uchar0 >>= 7;
+
+  check();
+}
+
+int main(void)
+{
+  /* call with both values zero */
+  rotate_left_1();
+
+  uchar0 = 1;
+  uchar1 = 2;
+
+  rotate_left_1();
+
+  uchar0 = 0x80;
+  uchar1 = 1;
+
+  rotate_left_1();
+
+  uchar1 = 2;
+  for(uchar2=0; uchar2<6; uchar2++) {
+    rotate_left_1();
+    uchar1 <<=1;
+  }
+
+  uchar0 = 1;
+  uchar1 = 4;
+  rotate_left_2();
+
+  uchar0 = 1;
+  uchar1 = 8;
+  rotate_left_3();
+
+  uchar0 = 1;
+  uchar1 = 0x10;
+  rotate_left_4();
+
+  uchar0 = 1;
+  uchar1 = 0x20;
+  rotate_left_5();
+
+  uchar0 = 1;
+  uchar1 = 0x40;
+  rotate_left_6();
+
+  uchar0 = 1;
+  uchar1 = 0x80;
+  rotate_left_7();
+
+  uchar0 = 2;
+  uchar1 = 1;
+  rotate_right_1();
+
+  uchar0 = 1;
+  uchar1 = 0x80;
+  rotate_right_1();
+
+  uchar0 = 4;
+  uchar1 = 1;
+  rotate_right_2();
+
+  uchar0 = 8;
+  rotate_right_3();
+
+  uchar0 = 0x10;
+  rotate_right_4();
+
+  uchar0 = 0x20;
+  rotate_right_5();
+
+  uchar0 = 0x40;
+  rotate_right_6();
+
+  uchar0 = 0x80;
+  rotate_right_7();
+
+  success=failures;
+  done();
+  printf("failures: %d\n",failures);
+
+  return failures;
+}