1  /* PR rtl-optimization/87600  */
       2  /* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* s390*-*-* x86_64-*-* } } */
       3  /* { dg-options "-O2" } */
       4  
       5  #include "pr87600.h"
       6  
       7  /* The following are all invalid uses of local register variables.  */
       8  
       9  long
      10  test0 (void)
      11  {
      12    register long var1 asm (REG1);
      13    register long var2 asm (REG1);
      14    asm ("blah %0 %1" : "=r" (var1), "=r" (var2)); /* { dg-error "invalid hard register usage between output operands" } */
      15    return var1;
      16  }
      17  
      18  long
      19  test1 (void)
      20  {
      21    register long var1 asm (REG1);
      22    register long var2 asm (REG2);
      23    asm ("blah %0 %1" : "=r" (var1) : "0" (var2)); /* { dg-error "invalid hard register usage between output operand and matching constraint operand" } */
      24    return var1;
      25  }
      26  
      27  long
      28  test2 (void)
      29  {
      30    register long var1 asm (REG1);
      31    register long var2 asm (REG1);
      32    asm ("blah %0 %1" : "=&r" (var1) : "r" (var2)); /* { dg-error "invalid hard register usage between earlyclobber operand and input operand" } */
      33    return var1;
      34  }
      35  
      36  long
      37  test3 (void)
      38  {
      39    register long var1 asm (REG1);
      40    register long var2 asm (REG1);
      41    long var3;
      42    asm ("blah %0 %1" : "=&r" (var1), "=r" (var3) : "1" (var2)); /* { dg-error "invalid hard register usage between earlyclobber operand and input operand" } */
      43    return var1 + var3;
      44  }