contrib/gcc/regclass.c

72 char fixed_regs[FIRST_PSEUDO_REGISTER];
138    fixed_regs.  Which leaves us guessing as to the set of fixed_regs
291   gcc_assert (sizeof fixed_regs == sizeof initial_fixed_regs);
294   memcpy (fixed_regs, initial_fixed_regs, sizeof fixed_regs);
305    `fixed_regs' and `call_used_regs', convert them to HARD_REG_SETs.  */
424   memcpy (call_fixed_regs, fixed_regs, sizeof call_fixed_regs);
428       /* call_used_regs must include fixed_regs.  */
429       gcc_assert (!fixed_regs[i] || call_used_regs[i]);
435       if (fixed_regs[i])
465       else if (i == ARG_POINTER_REGNUM && fixed_regs[i])
469       else if (i == (unsigned) PIC_OFFSET_TABLE_REGNUM && fixed_regs[i])
482 	  if (!fixed_regs [j] && TEST_HARD_REG_BIT (reg_class_contents[i], j)
746 	  fixed_regs[i] = fixed;
765   if (fixed_regs[i] == 0 && no_global_reg_vars)
774   if (call_used_regs[i] && ! fixed_regs[i])
781      set in fixed_regs.  */
786   if (fixed_regs[i])
789   fixed_regs[i] = call_used_regs[i] = call_fixed_regs[i] = 1;