gcc/testsuite/gcc.target/aarch64/target_attr_13.c

   1 /* { dg-do assemble } */
   2 /* { dg-options "-O2 -march=armv8-a+crc+crypto" } */
   3
   4 #include "arm_acle.h"
   5
   6 /* Make sure that 'crypto' is not required to compile an intrinsic
   7    from arm_acle.h in a non-crypto function.  Tests that arm_acle.h
   8    properly clears the architectural features in its initial target
   9    pragma.  */
  10
  11 __attribute__ ((target ("+crc+nocrypto")))
  12 int
  13 foo (uint32_t a, uint8_t b)
  14 {
  15   return __crc32b (a, b);
  16 }