gcc/testsuite/gcc.target/arm/tlscall.c

   1 /* Test non-duplication of tlscall insn */
   2
   3 /* { dg-do assemble } */
   4 /* { dg-options "-O2 -fPIC -mtls-dialect=gnu2" } */
   5
   6 typedef struct _IO_FILE FILE;
   7
   8 extern int foo(void);
   9 extern int bar(void);
  10
  11 void uuid__generate_time()
  12 {
  13  static int has_init = 0;
  14  static __thread int state_fd = -2;
  15  static __thread FILE *state_f;
  16
  17  if (!has_init) {
  18    foo();
  19    has_init = 1;
  20  }
  21
  22  if (state_fd == -2) {
  23   if (!state_f) {
  24    state_fd = -1;
  25   }
  26  }
  27  if (state_fd >= 0) {
  28   while (bar() < 0) {}
  29  }
  30
  31 }