gcc/testsuite/gcc.target/powerpc/fold-vec-sub-int128.c

   1 /* Verify that overloaded built-ins for vec_sub with __int128
   2    inputs produce the right results.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_p8vector_ok } */
   6 /* { dg-require-effective-target int128 } */
   7 /* { dg-options "-maltivec -mvsx -mpower8-vector" } */
   8 /* { dg-additional-options "-maix64" { target powerpc-ibm-aix* } } */
   9
  10 #include "altivec.h"
  11
  12 vector signed __int128
  13 test1 (vector signed __int128 x, vector signed __int128 y)
  14 {
  15   return vec_sub (x, y);
  16 }
  17
  18 vector unsigned __int128
  19 test2 (vector unsigned __int128 x, vector unsigned __int128 y)
  20 {
  21   return vec_sub (x, y);
  22 }
  23
  24 /* { dg-final { scan-assembler-times "vsubuqm" 2 } } */