gcc/testsuite/gcc.target/arm/thumb2-mul-space-3.c

   1 /* In Thumb-2 mode, when optimizing for size, generate a "muls"
   2    instruction and use the resulting condition flags rather than a
   3    separate compare instruction.  */
   4 /* { dg-options "-mthumb -Os" }  */
   5 /* { dg-require-effective-target arm_thumb2_ok } */
   6 /* { dg-final { scan-assembler "muls" } } */
   7 /* { dg-final { scan-assembler-not "cmp" } } */
   8
   9 int x;
  10
  11 int f(int i, int j)
  12 {
  13   i = i * j;
  14   if (i < 0)
  15     x = 1;
  16   return i;
  17 }