contrib/gcc/sched-deps.c

675 /* Add an INSN and MEM reference pair to a pending INSN_LIST and MEM_LIST.
699 /* Make a dependency between every memory reference on the pending lists
700    and INSN, thus flushing the pending lists.  FOR_READ is true if emitting
884 	  /* Flush all pending reads and writes to prevent the pending lists
893 	  rtx pending, pending_mem;
895 	  pending = deps->pending_read_insns;
897 	  while (pending)
900 		  && ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
901 		add_dependence (insn, XEXP (pending, 0), REG_DEP_ANTI);
903 	      pending = XEXP (pending, 1);
907 	  pending = deps->pending_write_insns;
909 	  while (pending)
912 		  && ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
913 		add_dependence (insn, XEXP (pending, 0), REG_DEP_OUTPUT);
915 	      pending = XEXP (pending, 1);
995 	rtx pending, pending_mem;
1005 	pending = deps->pending_read_insns;
1007 	while (pending)
1010 		&& ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
1011 	      add_dependence (insn, XEXP (pending, 0), REG_DEP_ANTI);
1013 	    pending = XEXP (pending, 1);
1017 	pending = deps->pending_write_insns;
1019 	while (pending)
1023 		&& ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
1026                   maybe_add_or_update_back_dep_1 (insn, XEXP (pending, 0),
1031                   add_dependence (insn, XEXP (pending, 0), REG_DEP_TRUE);
1034 	    pending = XEXP (pending, 1);
1052     /* Force pending stores to memory in case a trap handler needs them.  */
1196 	  rtx pending, pending_mem;
1221 	  pending = deps->pending_write_insns;
1223 	  while (pending)
1225 	      if (! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
1226 		add_dependence (insn, XEXP (pending, 0), REG_DEP_OUTPUT);
1227 	      pending = XEXP (pending, 1);
1231 	  pending = deps->pending_read_insns;
1233 	  while (pending)
1236 		  && ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
1237 		add_dependence (insn, XEXP (pending, 0), REG_DEP_OUTPUT);
1238 	      pending = XEXP (pending, 1);
1562 	     all pending reads and writes, and start new dependencies starting