gcc/gcc/expr.c

403 /* Use protect_from_queue to convert a QUEUED expression
406    protect_from_queue returns the variable itself.
407    If the incrementation has happened, protect_from_queue returns a temp
411    into an instruction, it must be passed through protect_from_queue first.
414    Do not pass a value through protect_from_queue and then hold
419 protect_from_queue (x, modify)
464 	  rtx tem = protect_from_queue (XEXP (x, 0), 0);
473 	  rtx new0 = protect_from_queue (XEXP (x, 0), 0);
474 	  rtx new1 = protect_from_queue (XEXP (x, 1), 0);
576   to = protect_from_queue (to, 1);
577   from = protect_from_queue (from, 0);
1299    This function *must not* call protect_from_queue
1321    This function *must not* call protect_from_queue
1430     through protect_from_queue before calling.
1661   x = protect_from_queue (x, 1);
1662   y = protect_from_queue (y, 0);
1663   size = protect_from_queue (size, 0);
1725       /* X, Y, or SIZE may have been passed through protect_from_queue.
1727 	 It is unsafe to save the value generated by protect_from_queue
1729 	 called before the return value from protect_from_queue is used.
2286    protect_from_queue before calling. ALIGN (in bytes) is maximum alignment
2432       object = protect_from_queue (object, 1);
2433       size = protect_from_queue (size, 0);
2490 	  /* OBJECT or SIZE may have been passed through protect_from_queue.
2492 	     It is unsafe to save the value generated by protect_from_queue
2494 	     called before the return value from protect_from_queue is used.
2604   x = protect_from_queue (x, 1);
2605   y = protect_from_queue (y, 0);
2994   xinner = x = protect_from_queue (x, 0);
3700       target = protect_from_queue (target, 1);
3868       target = protect_from_queue (target, 1);
8108 	  /* Pass 1 for MODIFY, so that protect_from_queue doesn't get
8110 	  op0 = protect_from_queue (op0, 1);