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-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   5 /* { dg-options "-O3 -mcpu=power8" } */
   6 /* { dg-final { scan-assembler     "vbpermq" } } */
   7 /* { dg-final { scan-assembler     "mfvsrd"  } } */
   8 /* { dg-final { scan-assembler-not "stfd"    } } */
   9 /* { dg-final { scan-assembler-not "stxvd2x" } } */
  10
  11 #include <altivec.h>
  12
  13 #if __LITTLE_ENDIAN__
  14 #define OFFSET 1
  15 #else
  16 #define OFFSET 0
  17 #endif
  18
  19 long foos (vector signed char a, vector signed char b)
  20 {
  21   return vec_extract (vec_vbpermq (a, b), OFFSET);
  22 }
  23
  24 long foou (vector unsigned char a, vector unsigned char b)
  25 {
  26   return vec_extract (vec_vbpermq (a, b), OFFSET);
  27 }
  28