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

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "-mpure-code supports M-profile only" { *-*-* } { "-mpure-code" } } */
   3 /* { dg-options "-O2 -fno-omit-frame-pointer -march=armv7-a" } */
   4
   5 int a, h, j;
   6 long long d, e, i;
   7 int f;
   8 int
   9 fn1 (void *p1, int p2)
  10 {
  11     switch (p2)
  12     case 8:
  13 {
  14     register int b = *(long long *) p1, c asm ("r2");
  15     asm ("%0": "=r" (a), "=r" (c):"r" (b), "r" (0));
  16     *(long long *) p1 = c;
  17     }
  18 }
  19
  20 int
  21 fn2 ()
  22 {
  23     int k;
  24     k = f;
  25     while (1)
  26     {
  27         fn1 (&i, sizeof i);
  28         e = d + k;
  29         switch (d)
  30         case 0:
  31         (
  32         {
  33             register int l asm ("r4");
  34             register int m asm ("r0");
  35             asm ("  .err  .endif\n\t": "=r" (h), "=r" (j):"r" (m),
  36             "r"
  37             (l));;
  38         });
  39     }
  40 }