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(emit_insns_after): New function.

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From-SVN: r1922
This commit is contained in:
Richard Stallman 1992-08-21 06:12:24 +00:00
parent edc7c4ec3b
commit e0a5c5eb0a
1 changed files with 31 additions and 0 deletions
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31
gcc/emit-rtl.c
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@ -2185,6 +2185,37 @@ emit_insns_before (insn, before)
return last;
}
/* Emit the insns in a chain starting with FIRST and place them in back of
the insn AFTER. Return the last insn emitted. */
rtx
emit_insns_after (first, after)
register rtx first;
register rtx after;
{
register rtx last;
register rtx after_after;
if (!after)
abort ();
if (!first)
return first;
for (last = first; NEXT_INSN (last); last = NEXT_INSN (last))
continue;
after_after = NEXT_INSN (after);
NEXT_INSN (after) = first;
PREV_INSN (first) = after;
NEXT_INSN (last) = after_after;
if (after_after)
PREV_INSN (after_after) = last;
return last;
}
/* Make an insn of code JUMP_INSN with pattern PATTERN
and add it to the end of the doubly-linked list. */