gcc/testsuite/gcc.target/mips/msubu-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 "\tmsubu\t\\\$ac" 2 } } */
   6
   7 typedef unsigned int ui;
   8 typedef unsigned long long ull;
   9
  10 NOMIPS16 ull
  11 f1 (ui x, ui y, ull z)
  12 {
  13   return z - (ull) y * x;
  14 }
  15
  16 NOMIPS16 ull
  17 f2 (ui x, ui y, ull z)
  18 {
  19   ull t = (ull) x * y;
  20   int temp = 5;
  21   if (temp == 5)
  22     z -= t;
  23   return z;
  24 }