gcc/testsuite/gcc.target/arm/unsigned-extend-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_thumb2_ok_no_arm_v8_1_lob } */
   3 /* { dg-options "-O" } */
   4
   5 unsigned short foo (unsigned short x, unsigned short c)
   6 {
   7   unsigned char i = 0;
   8   for (i = 0; i < 8; i++)
   9     {
  10       x >>= 1;
  11       x &= c;
  12     }
  13   return x;
  14 }
  15
  16 /* { dg-final { scan-assembler "ands" } } */
  17 /* { dg-final { scan-assembler-not "uxtb" } } */
  18 /* { dg-final { scan-assembler-not "cmp" } } */