gcc/testsuite/gcc.target/aarch64/ubfiz_lsl_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 /* Check that an X-reg UBFIZ can be simplified into a W-reg LSL.  */
   5
   6 long long
   7 f2 (long long x)
   8 {
   9   return (x << 5) & 0xffffffff;
  10 }
  11
  12 /* { dg-final { scan-assembler "lsl\tw" } } */
  13 /* { dg-final { scan-assembler-not "ubfiz\tx" } } */