gcc/testsuite/gcc.target/powerpc/fold-vec-abs-short-fwrapv.c

   1 /* Verify that overloaded built-ins for vec_abs with short
   2    inputs produce the right results.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_altivec_ok } */
   6 /* { dg-options "-maltivec -O2 -fwrapv" } */
   7
   8 #include <altivec.h>
   9
  10 vector signed short
  11 test3 (vector signed short x)
  12 {
  13   return vec_abs (x);
  14 }
  15
  16 /* { dg-final { scan-assembler-times "vspltisw|vxor" 1 } } */
  17 /* { dg-final { scan-assembler-times "vsubuhm" 1 } } */
  18 /* { dg-final { scan-assembler-times "vmaxsh" 1 } } */