(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
mips/
mips32-dsp-accinit-1.c
       1  /* { dg-options "-mdspr2 -mgp32 -mtune=74kc" } */
       2  /* References to RESULT within the loop need to have a higher frequency than
       3     references to RESULT outside the loop, otherwise there is no reason
       4     to prefer multiply/accumulator registers over GPRs.  */
       5  /* { dg-skip-if "requires register frequencies" { *-*-* } { "-O0" "-Os" } { "" } } */
       6  
       7  /* Check that the zero-initialization of the accumulator feeding into
       8     the madd is done by means of a mult instruction instead of mthi/mtlo.  */
       9  
      10  NOMIPS16 long long f (int n, int *v, int m)
      11  {
      12    long long result = 0;
      13    int i;
      14  
      15    for (i = 0; i < n; i++)
      16      result = __builtin_mips_madd (result, v[i], m);
      17    return result;
      18  }
      19  
      20  /* { dg-final { scan-assembler "\tmult\t\\\$ac.,\\\$0,\\\$0" } } */
      21  /* { dg-final { scan-assembler-not "mthi\t" } } */
      22  /* { dg-final { scan-assembler-not "mtlo\t" } } */