src/os_cpu/linux_x86/vm/os_linux_x86.cpp

*** 91,100 ****
--- 91,104 ----
  address os::current_stack_pointer() {
  #ifdef SPARC_WORKS
    register void *esp;
    __asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp));
    return (address) ((char*)esp + sizeof(long)*2);
+ #elif defined(__clang__)
+   intptr_t* esp;
+   __asm__ __volatile__ ("mov %%"SPELL_REG_SP", %0":"=r"(esp):);
+   return (address) esp;
  #else
    register void *esp __asm__ (SPELL_REG_SP);
    return (address) esp;
  #endif
  }
*** 173,182 ****
--- 177,189 ----
  
  intptr_t* _get_previous_fp() {
  #ifdef SPARC_WORKS
    register intptr_t **ebp;
    __asm__("mov %%"SPELL_REG_FP", %0":"=r"(ebp));
+ #elif defined(__clang__)
+   intptr_t **ebp;
+   __asm__ __volatile__ ("mov %%"SPELL_REG_FP", %0":"=r"(ebp):);
  #else
    register intptr_t **ebp __asm__ (SPELL_REG_FP);
  #endif
    return (intptr_t*) *ebp;   // we want what it points to.
  }