1  /* { dg-do compile { target *-*-linux* } } */
       2  /* { dg-options "-O2 -fzero-call-used-regs=skip -fno-stack-protector" } */
       3  
       4  extern int foo (int) __attribute__ ((zero_call_used_regs("used-gpr")));
       5  
       6  int
       7  foo (int x)
       8  {
       9    return x;
      10  }
      11  
      12  /* { dg-final { scan-assembler-not "vzeroall" } } */
      13  /* { dg-final { scan-assembler-not "%xmm" } } */
      14  /* { dg-final { scan-assembler-not "xorl\[ \t\]+%" { target ia32 } } } */
      15  /* { dg-final { scan-assembler "xorl\[ \t\]+%edi, %edi" { target { ! ia32 } } } } */