gcc/testsuite/gcc.target/powerpc/vec-extract-sint128-1.c

   1 /* Test to verify that the vec_extract from a vector of
   2    signed __int128s remains signed.  */
   3 /* { dg-do run { target int128 } } */
   4 /* { dg-options "-ansi -mdejagnu-cpu=power8 " } */
   5 /* { dg-require-effective-target p8vector_hw } */
   6
   7 #include <altivec.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11 int test1(signed __int128 st) {
  12
  13   vector signed __int128 v = vec_splats(st);
  14
  15   if (vec_extract (v, 0) > st)
  16     abort();
  17   return 0;
  18 }
  19
  20 int main()
  21 {
  22   test1 (((__int128) 0xf600000000000000LL) << 64);
  23   test1 (((__int128) 0x7600000000000000LL) << 64);
  24   test1 (((__int128) 0x0600000000000000LL) << 64);
  25   return 0;
  26 }