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squash! lib: tests: Add 17-compare-rotated.

This commit is contained in:
Janneke Nieuwenhuizen 2023-08-30 04:40:08 +02:00
parent 8aace6faae
commit b33e3e8b76
1 changed files with 9 additions and 8 deletions
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17
lib/tests/scaffold/17-compare-rotated.c
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@ -18,23 +18,24 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include<stdint.h>
#include<stdio.h>
int
main ()
{
uint32_t r = 0xFFFFFFFF;
r = r <<30 >>30; // higher 30 bits are cleared because they leave
unsigned u = 0xFFFFFFFF;
u = u <<30 >>30; // higher 30 bits are cleared because they leave
// the register to the left
if (r != 3)
int i = 3;
int r = u != i;
if (r)
return 1;
uint16_t s = 0xFFFF;
unsigned short s = 0xFFFF;
s = s <<14 >>14; // s<<14 is promoted to int, the higher bits are
// not cleared, because there's space in the
// register
if (s != 0xFFFF)
i = 0xFFFF;
r = s != i;
if (r)
return 2;
return 0;