contrib/gcc/see.c

254      relevancy is {ZERO, SIGN}_EXTENDED_DEF.  The source_mode of
255      the web is the source_mode of his leader.
257      of a RELEVANT web and his local source_mode is not narrower
258      then the source_mode of its web.
287      and set their local relevancy and local source_mode like this:
290        type and mark its source_mode to be the mode of the quantity
295        EXTENDED_DEF and set its source_mode to be the narrowest
301      relevancy and source_mode of the leader.  There are two major
311      source_mode of the webs.
426 	   hold the element's relevancy and source_mode.  The union rules are
514   enum machine_mode source_mode;
720 see_get_extension_data (rtx extension, enum machine_mode *source_mode)
750   *source_mode = GET_MODE (XEXP (rhs, 0));
1098 	  first_ei->source_mode = second_ei->source_mode;
1109 	  first_ei->source_mode =
1110 	    (first_ei->source_mode > second_ei->source_mode) ?
1111 	    first_ei->source_mode : second_ei->source_mode;
1124 	    first_ei->source_mode =
1125 	      (first_ei->source_mode > second_ei->source_mode_signed) ?
1126 	      first_ei->source_mode : second_ei->source_mode_signed;
1144 	  first_ei->source_mode =
1145 	    (first_ei->source_mode > second_ei->source_mode) ?
1146 	    first_ei->source_mode : second_ei->source_mode;
1153 	    first_ei->source_mode =
1154 	      (first_ei->source_mode > second_ei->source_mode_unsigned) ?
1155 	      first_ei->source_mode : second_ei->source_mode_unsigned;
1169 	      first_ei->source_mode =
1170 		(first_ei->source_mode_signed > second_ei->source_mode) ?
1171 		first_ei->source_mode_signed : second_ei->source_mode;
1177 	      first_ei->source_mode =
1178 		(first_ei->source_mode_unsigned > second_ei->source_mode) ?
1179 		first_ei->source_mode_unsigned : second_ei->source_mode;
1210 	      first_ei->source_mode =
1211 		(first_ei->source_mode_unsigned > second_ei->source_mode) ?
1212 		first_ei->source_mode_unsigned : second_ei->source_mode;
1236 	      first_ei->source_mode =
1237 		(first_ei->source_mode_signed > second_ei->source_mode) ?
1238 		first_ei->source_mode_signed : second_ei->source_mode;
2744   enum machine_mode source_mode;
2771   extension_code = see_get_extension_data (def_se, &source_mode);
2790 	      && GET_MODE (SET_DEST (*sub)) == source_mode
2822 	   && GET_MODE (SET_DEST (*pat)) == source_mode
3173    his source_mode is not narrower then the the roots source_mode.
3216 	 source_mode is narrower then its web's source_mode.
3221 	      ENTRY_EI (root_entry)->source_mode))
3232 	    				  ENTRY_EI (root_entry)->source_mode);
3308 				      ENTRY_EI (root_entry)->source_mode);
3418 see_analyze_one_def (rtx insn, enum machine_mode *source_mode,
3434   *source_mode = MAX_MACHINE_MODE;
3443   extension_code = see_get_extension_data (insn, source_mode);
3510 	  *source_mode = GET_MODE (XEXP (rhs, 0));
3514 	  *source_mode = MAX_MACHINE_MODE;
3527   	      if (val2 == val && *source_mode == MAX_MACHINE_MODE)
3528 		*source_mode = mode;
3532 	      if (*source_mode != MAX_MACHINE_MODE
3536 	  if (*source_mode != MAX_MACHINE_MODE
3549 /* Updates the relevancy and source_mode of all the definitions.
3560   enum machine_mode source_mode;
3571       et = see_analyze_one_def (insn, &source_mode, &source_mode_unsigned);
3578 	  curr_entry_extra_info->source_mode = source_mode;
3579 	  curr_entry_extra_info->local_source_mode = source_mode;
3583 	  curr_entry_extra_info->source_mode_signed = source_mode;
3606 		  fprintf (dump_file, "SIGN_EXTENDED_DEF, source_mode = %s\n",
3607 			   GET_MODE_NAME (source_mode));
3610 		  fprintf (dump_file, "ZERO_EXTENDED_DEF, source_mode = %s\n",
3611 			   GET_MODE_NAME (source_mode));
3615 		  if (source_mode != MAX_MACHINE_MODE
3620 			       GET_MODE_NAME (source_mode));
3624 		  else if (source_mode != MAX_MACHINE_MODE)
3626 			     GET_MODE_NAME (source_mode));