gcc/testsuite/gcc.target/powerpc/p8vector-vbpermq.c

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_p8vector_ok } */
   4 /* { dg-options "-O3 -mdejagnu-cpu=power8" } */
   5 /* { dg-final { scan-assembler     "vbpermq" } } */
   6 /* { dg-final { scan-assembler     "mfvsrd"  } } */
   7 /* { dg-final { scan-assembler-not "stfd"    } } */
   8 /* { dg-final { scan-assembler-not "stxvd2x" } } */
   9
  10 #include <altivec.h>
  11
  12 #if __LITTLE_ENDIAN__
  13 #define OFFSET 1
  14 #else
  15 #define OFFSET 0
  16 #endif
  17
  18 long foos (vector signed char a, vector signed char b)
  19 {
  20   return vec_extract (vec_vbpermq (a, b), OFFSET);
  21 }
  22
  23 long foou (vector unsigned char a, vector unsigned char b)
  24 {
  25   return vec_extract (vec_vbpermq (a, b), OFFSET);
  26 }
  27