gcc/testsuite/gcc.target/powerpc/pcrel-opt-inc-di.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 int
   6
   7 /* Test whether using an external variable twice (doing an increment) prevents
   8    the PCREL_OPT optimization.  */
   9 extern TYPE ext;
  10
  11 void
  12 inc (void)
  13 {
  14   ext++;                /* No PCREL_OPT (uses address twice).  */
  15 }
  16
  17 /* { dg-final { scan-assembler-not "R_PPC64_PCREL_OPT" } } */