gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-2.c

   1 /* { dg-do compile { target { powerpc64le-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-require-effective-target powerpc_p9vector_ok } */
   4 /* { dg-options "-mcpu=power9 -O1" } */
   5 /* { dg-final { scan-assembler "lxvx" } } */
   6 /* { dg-final { scan-assembler "stvewx" } } */
   7 /* { dg-final { scan-assembler-not "lxvd2x" } } */
   8
   9 /* Verify we don't perform P8 load-vector fusion on P9.  */
  10 #include <altivec.h>
  11
  12 void f (void *p)
  13 {
  14   vector unsigned int u32 = vec_vsx_ld (1, (const unsigned int *)p);
  15   vec_ste (u32, 1, (unsigned int *)p);
  16 }