gcc/testsuite/gcc.target/powerpc/mmfpgpr.c

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power6x" } } */
   5 /* { dg-options "-O2 -mcpu=power6x -mmfpgpr" } */
   6 /* { dg-final { scan-assembler "mffgpr" } } */
   7 /* { dg-final { scan-assembler "mftgpr" } } */
   8
   9 /* Test that we generate the instructions to move between the GPR and FPR
  10    registers under power6x.  */
  11
  12 extern long return_long (void);
  13 extern double return_double (void);
  14
  15 double return_double2 (void)
  16 {
  17   return (double) return_long ();
  18 }
  19
  20 long return_long2 (void)
  21 {
  22   return (long) return_double ();
  23 }