gcc/testsuite/gcc.target/powerpc/fold-vec-neg-short.c

   1 /* Verify that overloaded built-ins for vec_neg with short
   2    inputs produce the right code.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_p8vector_ok } */
   6 /* { dg-options "-mvsx -O2 -mcpu=power8" } */
   7 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   8
   9
  10 #include <altivec.h>
  11
  12 vector signed short
  13 test3 (vector signed short x)
  14 {
  15   return vec_neg (x);
  16 }
  17
  18 /* { dg-final { scan-assembler-times "xxspltib|vspltisw|vxor" 1 } } */
  19 /* { dg-final { scan-assembler-times "vsubuhm" 1 } } */
  20 /* { dg-final { scan-assembler-times "vmaxsh" 0 } } */