gcc/testsuite/gcc.target/powerpc/fold-vec-mult-int128-p8.c

   1 /* Verify that overloaded built-ins for vec_mul 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-require-effective-target lp64 } */
   8 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   9 /* { dg-options "-mpower8-vector -mcpu=power8 -O2" } */
  10 /* { dg-additional-options "-maix64" { target powerpc-ibm-aix* } } */
  11
  12 #include "altivec.h"
  13
  14 vector signed __int128
  15 test1 (vector signed __int128 x, vector signed __int128 y)
  16 {
  17   return vec_mul (x, y);
  18 }
  19
  20 vector unsigned __int128
  21 test2 (vector unsigned __int128 x, vector unsigned __int128 y)
  22 {
  23   return vec_mul (x, y);
  24 }
  25
  26 /* { dg-final { scan-assembler-times {\mmulld\M} 6 } } */
  27 /* { dg-final { scan-assembler-times {\mmulhdu\M} 2 } } */