gcc-4_9/gcc/testsuite/gcc.target/mips/msub-4.c

   1 /* { dg-do compile } */
   2 /* This test requires widening_mul */
   3 /* { dg-options "-mdspr2 -mgp32 -fexpensive-optimizations" } */
   4 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   5 /* { dg-final { scan-assembler-times "\tmsub\t\\\$ac" 2 } } */
   6
   7 NOMIPS16 long long
   8 f1 (int x, int y, long long z)
   9 {
  10   return z - (long long) y * x;
  11 }
  12
  13 NOMIPS16 long long
  14 f2 (int x, int y, long long z)
  15 {
  16   long long t = (long long) x * y;
  17   int temp = 5;
  18   if (temp == 5)
  19     z -= t;
  20   return z;
  21 }