gcc/testsuite/gcc.target/aarch64/target_attr_4.c

   1 /* { dg-do assemble } */
   2 /* { dg-options "-O2 -march=armv8-a+nocrc -mcpu=generic -save-temps" } */
   3
   4 #include "arm_acle.h"
   5
   6 /* Check that enabling an ISA feature using an attribute in a file
   7    compiled without that attribute works.  */
   8
   9 __attribute__ ((target ("+crc")))
  10 uint32_t
  11 foo (uint32_t a, uint8_t b)
  12 {
  13   return __crc32b (a, b);
  14 }
  15
  16 __attribute__ ((target ("arch=armv8-a+crc")))
  17 uint32_t
  18 fooarch (uint32_t a, uint8_t b)
  19 {
  20   return __crc32b (a, b);
  21 }
  22
  23 __attribute__ ((target ("cpu=cortex-a53+crc")))
  24 uint32_t
  25 foocpu (uint32_t a, uint8_t b)
  26 {
  27   return __crc32b (a, b);
  28 }
  29
  30 /* { dg-final { scan-assembler-times "crc32b\tw..?, w..?, w..?\n" 3 } } */