gcc/testsuite/gcc.target/powerpc/pcrel-opt-ld-qi.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target powerpc_pcrel } */
   3 /* { dg-options "-O2 -mdejagnu-cpu=power10 -mpcrel-opt" } */
   4
   5 #define TYPE    unsigned char
   6 #define LARGE   0x20000
   7
   8 /* Test whether we get the right number of PCREL_OPT optimizations for unsigned
   9    char.  */
  10 extern TYPE ext[];
  11
  12 TYPE
  13 get (void)
  14 {
  15   return ext[0];                /* PCREL_OPT relocation.  */
  16 }
  17
  18 TYPE
  19 get2 (void)
  20 {
  21   return ext[2];                /* PCREL_OPT relocation.  */
  22 }
  23
  24 TYPE
  25 get_large (void)
  26 {
  27   return ext[LARGE];            /* No PCREL_OPT (load is  prefixed).  */
  28 }
  29
  30 TYPE
  31 get_variable (unsigned long n)
  32 {
  33   return ext[n];                /* No PCREL_OPT (load is indexed).  */
  34 }
  35
  36 double
  37 get_double (void)
  38 {
  39   return (double) ext[0];       /* No PCREL_OPT (LXSIBZX is indexed).  */
  40 }
  41
  42 /* { dg-final { scan-assembler-times "R_PPC64_PCREL_OPT"  2 } } */