gcc-4_9/gcc/testsuite/gcc.target/mips/mult-1.c

   1 /* For SI->DI widening multiplication we should use DINS to combine the two
   2    halves.  For Octeon use DMUL with explicit widening.  */
   3 /* This test requires widening_mul */
   4 /* { dg-options "-mgp64 (HAS_INS) (NOT_HAS_DMUL) -fexpensive-optimizations" } */
   5 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   6 /* { dg-final { scan-assembler "\tdins\t" } } */
   7 /* { dg-final { scan-assembler-not "\tdsll\t" } } */
   8 /* { dg-final { scan-assembler-not "\tdsrl\t" } } */
   9 /* { dg-final { scan-assembler-not "\tor\t" } } */
  10
  11 NOMIPS16 unsigned long long
  12 f (unsigned int i, unsigned int j)
  13 {
  14   i++;
  15   return (unsigned long long) i * j;
  16 }