dist/gcc/final.c

298    delayed branch sequence (we don't count the insn needing the
299    delay slot).   Zero if not in a delayed branch sequence.  */
346 /* Indicate that branch shortening hasn't yet been done.  */
371 /* Obtain the current length of an insn.  If branch shortening has been done,
424 /* Obtain the current length of an insn.  If branch shortening has been done,
432 /* Obtain the current length of an insn.  If branch shortening has been done,
477    for branch ranges starting before X, so we can just round what we have.
535    between a branch and its target might grow or shrink depending on
536    the alignment the start insn of the range (the branch for a forward
537    branch or the label for a backward branch) starts out on; if these
589 /* Compute a worst-case reference address of a branch so that it
591    size of the branch itself is unknown, the size of the branch is
592    not included in the range.  I.e. for a forward branch, the reference
593    address is the end address of the branch as known from the previous
594    branch shortening pass, minus a value to account for possible size
595    increase due to alignment.  For a backward branch, it is the start
596    address of the branch as known from the current pass, plus a value
599    to exclude the branch size.  */
602 insn_current_reference_address (rtx_insn *branch)
610   rtx_insn *seq = NEXT_INSN (PREV_INSN (branch));
612   if (!jump_to_label_p (branch))
615        Thus, we can treat it like a backward branch.
619   dest = JUMP_LABEL (branch);
625       /* Forward branch.  */
631       /* Backward branch.  */
638 /* Compute branch alignments based on CFG profile.  */
708 	  fprintf (dump_file, " branch ");
720 	 1) to avoid fetch stalls when branch destination is near cache boundary
851    reorg.c, since the branch splitting exposes new instructions with delay
1092 	  /* Inside a delay slot sequence, we do not do any branch shortening
1094 	     of the branch.  */
1975 	   jumps to each branch only reached from one place.  */
2172    used for within delayed branch sequence output).
2743 	    /* A delayed-branch sequence */
2848 	/* If this is a conditional branch, maybe modify it
2984 		   when generating a far jump in a delayed branch
4514 /* Return 1 if branch is a forward branch.
4516    output templates to customary add branch prediction hints.