gcc/testsuite/gcc.target/i386/20020201-3.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 } */
   4 /* { dg-require-effective-target ia32 } */
   5 /* { dg-options "-O2 -march=i686 -mmmx -fno-strict-aliasing" } */
   6
   7 struct A { unsigned int a, b; };
   8
   9 void foo (struct A *x, int y, int z)
  10 {
  11    const float d = 1.0;
  12    float e = (float) y + z;
  13
  14    x->a = *(unsigned int *) &d;
  15    x->b = *(unsigned int *) &e;
  16 }