gcc/testsuite/gcc.target/mips/msub-7.c

   1 /* { dg-options "-march=5kc" } */
   2 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   3 /* { dg-skip-if "requires -fira-region=all or =mixed" { *-*-* } { "-Os" } { "" } } */
   4 /* { dg-final { scan-assembler-not "\tmul\t" } } */
   5 /* { dg-final { scan-assembler "\tmsub\t" } } */
   6
   7 NOMIPS16 int
   8 f1 (int *a, int *b, int n)
   9 {
  10   int x, i;
  11
  12   x = 100;
  13   for (i = 0; i < n; i++)
  14     x -= a[i] * b[i];
  15   return x;
  16 }