gcc/testsuite/gcc.target/powerpc/p9-vpermr.c

   1 /* { dg-do compile { target { powerpc64le-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-options "-mcpu=power9 -O2" } */
   4
   5 /* Test generation of VPERMR/XXPERMR on ISA 3.0 in little endian.  */
   6
   7 #include <altivec.h>
   8
   9 vector long long
  10 permute (vector long long *p, vector long long *q, vector unsigned char mask)
  11 {
  12   vector long long a = *p;
  13   vector long long b = *q;
  14
  15   /* Force a, b to be in altivec registers to select vpermr insn.  */
  16   __asm__ (" # a: %x0, b: %x1" : "+v" (a), "+v" (b));
  17
  18   return vec_perm (a, b, mask);
  19 }
  20
  21 /* { dg-final { scan-assembler "vpermr\|xxpermr" } } */