gcc/testsuite/gcc.target/arm/wmul-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-require-effective-target arm_dsp } */
   4
   5 long long
   6 foo (long long a, unsigned char *b, signed char *c)
   7 {
   8   return a + (long long)*b * (long long)*c;
   9 }
  10
  11 /* { dg-final { scan-assembler "smlalbb" } } */