contrib/gcc/cselib.c

1190 cselib_invalidate_rtx (rtx dest)
1192   while (GET_CODE (dest) == SUBREG
1193 	 || GET_CODE (dest) == ZERO_EXTRACT
1194 	 || GET_CODE (dest) == STRICT_LOW_PART)
1195     dest = XEXP (dest, 0);
1197   if (REG_P (dest))
1198     cselib_invalidate_regno (REGNO (dest), GET_MODE (dest));
1199   else if (MEM_P (dest))
1200     cselib_invalidate_mem (dest);
1206   if (push_operand (dest, GET_MODE (dest)))
1213 cselib_invalidate_rtx_note_stores (rtx dest, rtx ignore ATTRIBUTE_UNUSED,
1216   cselib_invalidate_rtx (dest);
1224 cselib_record_set (rtx dest, cselib_val *src_elt, cselib_val *dest_addr_elt)
1226   int dreg = REG_P (dest) ? (int) REGNO (dest) : -1;
1228   if (src_elt == 0 || side_effects_p (dest))
1235 	  unsigned int n = hard_regno_nregs[dreg][GET_MODE (dest)];
1255       src_elt->locs = new_elt_loc_list (src_elt->locs, dest);
1257   else if (MEM_P (dest) && dest_addr_elt != 0
1262       add_mem_for_addr (dest_addr_elt, src_elt, dest);
1270   rtx dest;
1300       sets[0].dest = SET_DEST (body);
1314 	      sets[n_sets].dest = SET_DEST (x);
1324       rtx dest = sets[i].dest;
1328       if (GET_CODE (sets[i].dest) == STRICT_LOW_PART)
1329 	sets[i].dest = dest = XEXP (dest, 0);
1332       if (REG_P (dest)
1333 	  || (MEM_P (dest) && cselib_record_memory))
1337 	    src = gen_rtx_IF_THEN_ELSE (GET_MODE (src), cond, src, dest);
1338 	  sets[i].src_elt = cselib_lookup (src, GET_MODE (dest), 1);
1339 	  if (MEM_P (dest))
1340 	    sets[i].dest_addr_elt = cselib_lookup (XEXP (dest, 0), Pmode, 1);
1360 	  rtx dest = sets[i].dest;
1361 	  if (REG_P (dest) || MEM_P (dest))
1365 		if (rtx_equal_p (dest, sets[j].dest))
1367 		    sets[i].dest = pc_rtx;
1368 		    sets[j].dest = pc_rtx;
1377       rtx dest = sets[i].dest;
1378       if (REG_P (dest)
1379 	  || (MEM_P (dest) && cselib_record_memory))
1380 	cselib_record_set (dest, sets[i].src_elt, sets[i].dest_addr_elt);