gcc/testsuite/gcc.target/powerpc/vadsdu-4.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-require-effective-target powerpc_p9vector_ok } */
   4 /* { dg-skip-if "" { powerpc*-*-aix* } } */
   5 /* { dg-options "-mcpu=power9" } */
   6
   7 /* This test should succeed on both 32- and 64-bit configurations.  */
   8 #include <altivec.h>
   9
  10 __vector unsigned char
  11 doAbsoluteDifferenceUnsignedChar (__vector unsigned char *p,
  12                                   __vector unsigned char *q)
  13 {
  14   __vector unsigned char source_1, source_2;
  15   __vector unsigned char result;
  16
  17   source_1 = *p;
  18   source_2 = *q;
  19
  20   result = __builtin_vec_vadu (source_1, source_2);
  21   return result;
  22 }
  23
  24 /* { dg-final { scan-assembler "vabsdub" } } */