gcc/testsuite/gcc.target/mips/mult-8.c

   1 /* This test requires widening_mul */
   2 /* { dg-options "-mgp64 (-mips16) -fexpensive-optimizations" } */
   3 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   4 /* { dg-final { scan-assembler "\tmult\t" } } */
   5 /* { dg-final { scan-assembler "\tmflo\t" } } */
   6 /* { dg-final { scan-assembler "\tmfhi\t" } } */
   7 /* { dg-final { scan-assembler-times "\tdsll\t" 2 } } */
   8 /* { dg-final { scan-assembler "\tdsrl\t" } } */
   9
  10 typedef int DI __attribute__((mode(DI)));
  11 typedef int SI __attribute__((mode(SI)));
  12
  13 MIPS16 DI
  14 f (SI x, SI y)
  15 {
  16   return (DI) x * y;
  17 }