gcc/testsuite/gcc.dg/20020201-3.c

   1 /* This testcase ICEd because a SFmode variable was given a MMX register
   2    for which there is no movsf exists.  */
   3 /* { dg-do compile { target i?86-*-* } } */
   4 /* { dg-options "-O2 -march=i686 -mmmx -fno-strict-aliasing" } */
   5
   6 struct A { unsigned int a, b; };
   7
   8 void foo (struct A *x, int y, int z)
   9 {
  10    const float d = 1.0;
  11    float e = (float) y + z;
  12
  13    x->a = *(unsigned int *) &d;
  14    x->b = *(unsigned int *) &e;
  15 }