contrib/gcc/dwarf2out.c

7741   struct dir_info *dirs;
7761   dirs = alloca (numfiles * sizeof (struct dir_info));
7772   dirs[0].path = files[0].path;
7773   dirs[0].length = files[0].fname - files[0].path;
7774   dirs[0].prefix = -1;
7775   dirs[0].count = 1;
7776   dirs[0].dir_idx = 0;
7781     if (files[i].fname - files[i].path == dirs[ndirs - 1].length
7782 	&& memcmp (dirs[ndirs - 1].path, files[i].path,
7783 		   dirs[ndirs - 1].length) == 0)
7787 	++dirs[ndirs - 1].count;
7794 	dirs[ndirs].path = files[i].path;
7795 	dirs[ndirs].length = files[i].fname - files[i].path;
7796 	dirs[ndirs].count = 1;
7797 	dirs[ndirs].dir_idx = ndirs;
7801 	dirs[ndirs].prefix = -1;
7803 	  if (dirs[j].length < dirs[ndirs].length
7804 	      && dirs[j].length > 1
7805 	      && (dirs[ndirs].prefix == -1
7806 		  || dirs[j].length > dirs[dirs[ndirs].prefix].length)
7807 	      && memcmp (dirs[j].path, dirs[ndirs].path, dirs[j].length) == 0)
7808 	    dirs[ndirs].prefix = j;
7830       savehere[i] = dirs[i].length;
7831       total = (savehere[i] - saved[i]) * dirs[i].count;
7836 	  if (saved[j] < dirs[i].length)
7838 	      /* Determine whether the dirs[i] path is a prefix of the
7839 		 dirs[j] path.  */
7842 	      k = dirs[j].prefix;
7844 		k = dirs[k].prefix;
7849 		     writing the filenames in dirs[j] relative to
7850 		     dirs[i].  */
7851 		  savehere[j] = dirs[i].length;
7852 		  total += (savehere[j] - saved[j]) * dirs[j].count;
7857       /* Check whether we can save enough to justify adding the dirs[i]
7859       if (total > dirs[i].length + 1)
7869 		dirs[j].dir_idx = i;
7876   idx_offset = dirs[0].length > 0 ? 1 : 0;
7878     dw2_asm_output_nstring (dirs[i].path, dirs[i].length - 1,
7894       int dir_idx = dirs[files[file_idx].dir_idx].dir_idx;
7896       dw2_asm_output_nstring (files[file_idx].path + dirs[dir_idx].length, -1,