function has nonlocal gotos.
From-SVN: r13862
case REG:
/* We used to check RTX_UNCHANGING_P (x) here, but that is invalid
since the reg might be set by initialization within the loop. */
- if (x == frame_pointer_rtx || x == hard_frame_pointer_rtx
- || x == arg_pointer_rtx)
+
+ if ((x == frame_pointer_rtx || x == hard_frame_pointer_rtx
+ || x == arg_pointer_rtx)
+ && ! current_function_has_nonlocal_goto)
return 1;
+
if (loop_has_call
&& REGNO (x) < FIRST_PSEUDO_REGISTER && call_used_regs[REGNO (x)])
return 0;
+
if (n_times_set[REGNO (x)] < 0)
return 2;
+
return n_times_set[REGNO (x)] == 0;
case MEM: