gcc/testsuite/gcc.dg/arm-g2.c

   1 /* Verify that hardware multiply is preferred on XScale. */
   2 /* { dg-do compile } */
   3 /* { dg-options "-mcpu=xscale -O2" } */
   4 /* { dg-require-effective-target arm32 } */
   5
   6 /* Brett Gaines' test case. */
   7 unsigned BCPL(unsigned) __attribute__ ((naked));
   8 unsigned BCPL(unsigned seed)
   9 {
  10     /* Best code would be:
  11        ldr r1, =2147001325
  12        ldr r2, =715136305
  13        mla r0, r1, r0, r2
  14        mov pc, lr */
  15
  16     return seed * 2147001325U + 715136305U;
  17 }
  18
  19 /* { dg-final { scan-assembler "mla\[   ].*" } } */