gcc/testsuite/gcc.target/i386/pr63527.c

   1 /* PR rtl-optimization/pr63527 */
   2 /* { dg-do compile { target { ia32 && fpic } } } */
   3 /* { dg-options "-O2 -fPIC" } */
   4
   5 struct cache_file
   6 {
   7   char magic[sizeof "ld.so-1.7.0" - 1];
   8   unsigned int nlibs;
   9 };
  10 typedef unsigned int size_t;
  11 size_t cachesize __attribute__ ((visibility ("hidden")));
  12 struct cache_file *cache __attribute__ ((visibility ("hidden")));
  13 extern int __munmap (void *__addr, size_t __len);
  14 void
  15 _dl_unload_cache (void)
  16 {
  17   if (cache != ((void *)0) && cache != (struct cache_file *) -1)
  18     {
  19       __munmap (cache, cachesize);
  20       cache = ((void *)0) ;
  21     }
  22 }
  23
  24 /* We shouldn't load EBX again.  */
  25 /* { dg-final { scan-assembler-not "movl\[ \t\]%\[^,\]+, %ebx" } } */