1  /* Verify that constant equivalences get reloaded properly, either by being
       2     spilled to the stack, or regenerated, but not dropped to memory.  */
       3  /* { dg-do compile { target { { i?86-*-* rs6000-*-* alpha*-*-* x86_64-*-* } || { powerpc*-*-* && ilp32 } } } } */
       4  /* { dg-require-effective-target fpic } */
       5  /* { dg-options "-O2 -fpic -fno-omit-frame-pointer -fno-asynchronous-unwind-tables" } */
       6  /* { dg-final { scan-assembler-not "LC\[0-9\]" } } */
       7  
       8  /* Clobber all call-saved registers that can hold a pointer value.  */
       9  #if defined(__i386__)
      10  #define clobber \
      11    asm volatile("#asm" : : : "si", "di")
      12  #elif defined(__powerpc__) || defined(__PPC__) || defined(__ppc__) || defined(__POWERPC__) || defined(PPC) || defined (_IBMR2) || defined (__ppc)
      13  #define clobber \
      14    asm volatile("#asm" : : : "14", "15", "16", "17", "18", "19", "20", \
      15  	       "21", "22", "23", "24", "25", "26", "27", "28", "29")
      16  #elif defined(__alpha__)
      17  #define clobber \
      18    asm volatile("#asm" : : : "$9", "$10", "$11", "$12", "$13", "$14", \
      19  	       "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9")
      20  #elif defined(__x86_64__)
      21  #define clobber \
      22    asm volatile("#asm" : : : "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10", "r11")
      23  #else
      24  #error no clobber macro defined
      25  #endif
      26  
      27  extern void f1(int, int, int);
      28  extern void f2(int*, int*, int*);
      29  
      30  extern int ext;
      31  static int loc_small;
      32  static int loc_big[100];
      33  
      34  void bar(void)
      35  {
      36    f1(ext, loc_small, loc_big[0]);
      37    clobber;
      38    f2(&ext, &loc_small, &loc_big[0]);
      39  }