gcc/testsuite/gcc.target/aarch64/target_attr_3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mno-fix-cortex-a53-835769 -march=armv8-a -mcpu=generic -save-temps" } */
   3
   4 /* Check that the attribute overrides the command line option
   5    and the fix is applied once.  */
   6
   7 __attribute__ ((target ("fix-cortex-a53-835769")))
   8 unsigned long long
   9 test (unsigned long long a, double b, unsigned long long c,
  10       unsigned long long d, unsigned long  long *e)
  11 {
  12   double result;
  13   volatile unsigned long long tmp = *e;
  14   __asm__ __volatile ("// %0, %1"
  15                         : "=w" (result)
  16                         : "0" (b)
  17                         :    /* No clobbers.  */);
  18   return c * d + d;
  19 }
  20
  21 unsigned long long
  22 test2 (unsigned long long a, double b, unsigned long long c,
  23        unsigned long long d, unsigned long long *e)
  24 {
  25   double result;
  26   volatile unsigned long long tmp = *e;
  27   __asm__ __volatile ("// %0, %1"
  28                         : "=w" (result)
  29                         : "0" (b)
  30                         :   /* No clobbers.  */);
  31   return c * d + d;
  32 }
  33
  34 /* { dg-final { scan-assembler-times "between mem op and" 1 } } */