gcc/testsuite/gcc.target/arm/pr60650-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-omit-frame-pointer -march=armv7-a" } */
   3
   4 int a, h, j;
   5 long long d, e, i;
   6 int f;
   7 int
   8 fn1 (void *p1, int p2)
   9 {
  10     switch (p2)
  11     case 8:
  12 {
  13     register int b = *(long long *) p1, c asm ("r2");
  14     asm ("%0": "=r" (a), "=r" (c):"r" (b), "r" (0));
  15     *(long long *) p1 = c;
  16     }
  17 }
  18
  19 int
  20 fn2 ()
  21 {
  22     int k;
  23     k = f;
  24     while (1)
  25     {
  26         fn1 (&i, sizeof i);
  27         e = d + k;
  28         switch (d)
  29         case 0:
  30         (
  31         {
  32             register int l asm ("r4");
  33             register int m asm ("r0");
  34             asm ("  .err  .endif\n\t": "=r" (h), "=r" (j):"r" (m),
  35             "r"
  36             (l));;
  37         });
  38     }
  39 }