(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
mips/
mips32-dsp-accinit-2.c
       1  /* { dg-options "-mdspr2 -mgp32 -mtune=4kp" } */
       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 an mthi & mtlo pair instead of a
       9     "mult $0,$0" instruction.  */
      10  
      11  NOMIPS16 long long f (int n, int *v, int m)
      12  {
      13    long long result = 0;
      14    int i;
      15  
      16    for (i = 0; i < n; i++)
      17      result = __builtin_mips_madd (result, v[i], m);
      18    return result;
      19  }
      20  
      21  /* { dg-final { scan-assembler-not "mult\t\[^\n\]*\\\$0" } } */
      22  /* { dg-final { scan-assembler "\tmthi\t" } } */
      23  /* { dg-final { scan-assembler "\tmtlo\t" } } */