(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
powerpc/
pr48857.c
       1  /* Expected instruction selection as characterized by
       2     scan-assembler-times directives below is only relevant to
       3     little-endian targets.  */
       4  /* { dg-do compile { target { powerpc64le-*-* } } } */
       5  /* { dg-skip-if "" { powerpc*-*-darwin* } } */
       6  /* { dg-require-effective-target powerpc_vsx_ok } */
       7  /* { dg-options "-O2 -mdejagnu-cpu=power7 -mabi=altivec" } */
       8  /* { dg-final { scan-assembler-times "lvx" 1 } } */
       9  /* { dg-final { scan-assembler-times "stvx" 1 } } */
      10  /* { dg-final { scan-assembler-not "ld" } } */
      11  /* { dg-final { scan-assembler-not "lwz" } } */
      12  /* { dg-final { scan-assembler-not "stw" } } */
      13  /* { dg-final { scan-assembler-not "addi" } } */
      14  
      15  typedef vector long long v2di_type;
      16  
      17  v2di_type
      18  return_v2di (v2di_type *ptr)
      19  {
      20    /* As of pr48857, should generate lxvd2x 34,0,3
      21       followed by xxpermdi 34,34,34,2.  Subsequent optimization
      22       recognizes that ptr refers to an aligned vector and replaces
      23       this with lvx 2,0,3.  */
      24    return *ptr;
      25  }
      26  
      27  void
      28  pass_v2di (v2di_type arg, v2di_type *ptr)
      29  {
      30    /* As of pr48857, should generate xxpermdi 34,34,34,2 followed by
      31       stxvd2x 34,0,5.  Subsequent optimization recognizes that ptr
      32       refers to an aligned vector and replaces this with stvx 2,0,5.  */
      33    *ptr = arg;
      34  }
      35