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reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn after the new sequence insn has been spliced...

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* reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn
        after the new sequence insn has been spliced into the insn chain.

From-SVN: r14229
This commit is contained in:
Jeff Law 1997-06-12 09:45:32 -06:00
parent e5ffb50c0d
commit f5546425e9
1 changed files with 11 additions and 4 deletions
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15
gcc/reorg.c
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@ -894,15 +894,22 @@ emit_delay_sequence (insn, list, length, avail)
NEXT_INSN (seq_insn) = NEXT_INSN (insn);
PREV_INSN (seq_insn) = PREV_INSN (insn);
if (insn != last)
PREV_INSN (NEXT_INSN (seq_insn)) = seq_insn;
if (insn != first)
NEXT_INSN (PREV_INSN (seq_insn)) = seq_insn;
/* Note the calls to set_new_first_and_last_insn must occur after
SEQ_INSN has been completely spliced into the insn stream.
Otherwise CUR_INSN_UID will get set to an incorrect value because
set_new_first_and_last_insn will not find SEQ_INSN in the chain. */
if (insn == last)
set_new_first_and_last_insn (first, seq_insn);
else
PREV_INSN (NEXT_INSN (seq_insn)) = seq_insn;
if (insn == first)
set_new_first_and_last_insn (seq_insn, last);
else
NEXT_INSN (PREV_INSN (seq_insn)) = seq_insn;
/* Build our SEQUENCE and rebuild the insn chain. */
XVECEXP (seq, 0, 0) = delay_insn;