gcc/testsuite/gcc.target/powerpc/pr111449-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mdejagnu-cpu=power8 -mvsx -O2" } */
   3 /* { dg-require-effective-target powerpc_vsx } */
   4
   5 /* Ensure vector mode is used for 16-byte by pieces equality compare.  */
   6
   7 int compare1 (const char* s1, const char* s2)
   8 {
   9   return __builtin_memcmp (s1, s2, 16) == 0;
  10 }
  11
  12 int compare2 (const char* s1)
  13 {
  14   return __builtin_memcmp (s1, "0123456789012345", 16) == 0;
  15 }
  16
  17 /* { dg-final { scan-assembler-times {\mvcmpequb\.} 2 } } */
  18 /* { dg-final { scan-assembler-not {\mcmpd\M} } } */