dist/gcc/final.c

527 label_to_alignment (rtx label)
529   if (CODE_LABEL_NUMBER (label) <= max_labelno)
530     return LABEL_TO_ALIGNMENT (label);
537    branch or the label for a backward branch) starts out on; if these
550    some common offset that is added to all offsets in a table.
598    NB.: Therefore, the maximum offset allowed for backward branches needs
614        offset to address something in front of the start of the function.
674       rtx_insn *label = BB_HEAD (bb);
679       if (!LABEL_P (label)
690       max_alignment = LABEL_ALIGN (label);
736 	  align_flags alignment = JUMP_ALIGN (label);
752 	  align_flags alignment = LOOP_ALIGN (label);
757       LABEL_TO_ALIGNMENT (label) = max_alignment;
794   rtx iter, label = NULL_RTX;
801       LABEL_TO_ALIGNMENT (label) = LABEL_TO_ALIGNMENT (iter);
803       label = iter;
892       if (rtx_code_label *label = dyn_cast <rtx_code_label *> (insn))
895 	  align_flags alignment = LABEL_TO_ALIGNMENT (label);
898 	  rtx_jump_table_data *table = jump_table_for_label (label);
901 	      align_flags alignment = LABEL_ALIGN (label);
913 	  LABEL_TO_ALIGNMENT (label) = max_alignment;
918 	  rtx_insn *label;
920 	  for (label = insn; label && ! INSN_P (label);
921 	       label = NEXT_INSN (label))
922 	    if (LABEL_P (label))
961 	  /* Found an alignment label.  */
979          label fields.  */
1156 	  if (rtx_code_label *label = dyn_cast <rtx_code_label *> (insn))
1158 	      int log = LABEL_TO_ALIGNMENT (label).levels[0].log;
1162 		 may need to update the alignment of this label.  */
1167 		  rtx_jump_table_data *table = jump_table_for_label (label);
1249 		 for the offset of MIN_LAB.  If MIN_LAB is after REL_LAB,
1250 		 its offset is positive, and we have to be wary of code shrink;
1257 		     within the observed offset, therefore we have to break
1278 		 for the offset of MAX_LAB.  */
1560       /* Avoid putting scope notes between jump table and its label.  */
1695    for the new function.  The label for the function and associated
2232 	  /* Emit a label for the split cold section.  Form label name by
2406 	  /* Emit the label.  We may have deleted the CODE_LABEL because
2407 	     the label could be proved to be unreachable, though still
2485 	debug_hooks->label (as_a <rtx_code_label *> (insn));
2489       /* If this label is followed by a jump-table, make sure we put
2490 	 the label in the read-only section.  Also possibly write the
2491 	 label and jump table together.  */
2497 	     target, so don't output the label at all.  Leave that
3371       poly_int64 offset = SUBREG_BYTE (x);
3374 	 contains 0 instead of the proper offset.  See simplify_subreg.  */
3376 	offset = byte_lowpart_offset (GET_MODE (x), GET_MODE (y));
3379 	*xp = adjust_address (y, GET_MODE (x), offset);
3381 	*xp = adjust_address_nv (y, GET_MODE (x), offset);
3394 	  poly_int64 offset;
3398 	    offset = byte_lowpart_offset (GET_MODE (x), GET_MODE (y));
3400 	    offset = SUBREG_BYTE (x);
3401 	  *xp = gen_rtx_REG_offset (y, GET_MODE (x), regno, offset);
3830       and print the label name with no punctuation.
4027     output_operand_lossage ("'%%l' operand isn't a label");