gcc/testsuite/gcc.target/i386/pr49920.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-require-effective-target ia32 } */
   4
   5 typedef __SIZE_TYPE__ size_t;
   6 extern void *malloc (size_t);
   7
   8 register unsigned int MR_mr0 asm ("esi");
   9 register unsigned int MR_mr1 asm ("edi");
  10
  11 void ml_backend__ml_closure_gen_module11 (void)
  12 {
  13   unsigned int MR_tempr1, MR_tempr2, MR_tempr3;
  14
  15   MR_tempr1 = (unsigned int)((char *) malloc (sizeof (unsigned int)) + 4);
  16   MR_tempr3 = ((unsigned int *) MR_mr0)[0];
  17
  18   ((unsigned int *) (MR_tempr1 - 4))[0] = MR_tempr3;
  19
  20   MR_tempr2 = (unsigned int)((char *) malloc (2 * sizeof (unsigned int)));
  21
  22   ((unsigned int *) MR_tempr2)[1] = MR_tempr1;
  23 }