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* reorg.c (fill_slots_from_thread): Create a USE insn for any
	redundant insn we pretend to fill a delay slot with.  Continue
	searching for a suitable delay slot insn at the new USE insn.

From-SVN: r8605
This commit is contained in:
Doug Evans 1994-12-05 02:04:24 +00:00
parent 071a659510
commit 088131eed3
1 changed files with 1 additions and 14 deletions
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15
gcc/reorg.c
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@ -3329,20 +3329,7 @@ fill_slots_from_thread (insn, condition, thread, opposite_thread, likely,
else
{
update_reg_unused_notes (prior_insn, trial);
/* Even if we don't own the the thread, we still need
call update_block to get our special USE insn inserted.
Furthermore, new_thread should point to the USE insn
so the USE insn will be after any label created before
new_thread later in reorg. Also note next_active_insn
skips the USE insn.
If we do not do this mark_target_live_regs may fail
to realize any insn set by the redundant insn was
live at new_thread. */
update_block (trial, next_active_insn (thread));
new_thread = PREV_INSN (next_active_insn (trial));
new_thread = next_active_insn (trial);
}
continue;