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-options "-maltivec -mvsx" } */
   6 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   7 /* { dg-additional-options "-maix64" { target powerpc-ibm-aix* } } */
   8 /* { dg-require-effective-target powerpc_vsx } */
   9 /* { dg-require-effective-target int128 } */
  10
  11 #include "altivec.h"
  12
  13 vector signed __int128
  14 test1 (vector signed __int128 x, vector signed __int128 y)
  15 {
  16   return vec_sub (x, y);
  17 }
  18
  19 vector unsigned __int128
  20 test2 (vector unsigned __int128 x, vector unsigned __int128 y)
  21 {
  22   return vec_sub (x, y);
  23 }
  24
  25 /* { dg-final { scan-assembler-times "vsubuqm" 2 } } */