contrib/gcc/local-alloc.c

864 	  note = find_reg_note (insn, REG_EQUIV, NULL_RTX);
910 	  note = find_reg_note (insn, REG_EQUAL, NULL_RTX);
921 	    note = NULL_RTX;
957 	  note = find_reg_note (insn, REG_EQUIV, NULL_RTX);
1062 			      REG_EQUIV, NULL_RTX)
1075 		= gen_rtx_INSN_LIST (VOIDmode, insn, NULL_RTX);
1102 	      && find_reg_note (insn, REG_NON_LOCAL_GOTO, NULL_RTX))
1156 			      XEXP (note, 1) = NULL_RTX;
1173 		      reg_equiv_init[regno] = NULL_RTX;
1207 			= gen_rtx_INSN_LIST (VOIDmode, new_insn, NULL_RTX);
1270   reg_equiv[regno].replacement = NULL_RTX;
1275   reg_equiv_init[regno] = NULL_RTX;
1279       remove_note (insn, find_reg_note (insn, REG_EQUIV, NULL_RTX));
1337 	  rtx r0, r1 = NULL_RTX;
1423 		  if (hard_reg != NULL_RTX)
1467 	      && (link = find_reg_note (insn, REG_LIBCALL, NULL_RTX)) != 0
1473 					NULL_RTX)) != 0)
1543 	  if ((note = find_reg_note (insn, REG_RETVAL, NULL_RTX)) != 0
2431   rtx note = find_reg_note (insn, REG_LIBCALL, NULL_RTX);