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re PR rtl-optimization/15296 ([3.4 only] Delayed branch scheduling causing invalid code on cris-*) 

PR optimization/15296
	* reorg.c (fill_simple_delay_slots): Use next_real_insn when
	getting last consecutive label at a branch.
	(relax_delay_slots): Similar, near top of loop.

From-SVN: r81600
This commit is contained in:
Hans-Peter Nilsson 2004-05-07 03:20:24 +00:00 committed by Hans-Peter Nilsson
parent 57408b4584
commit afce2847b3
2 changed files with 13 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-05-07 Hans-Peter Nilsson <hp@axis.com>
PR optimization/15296
* reorg.c (fill_simple_delay_slots): Use next_real_insn when
getting last consecutive label at a branch.
(relax_delay_slots): Similar, near top of loop.
2004-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/15202

8
gcc/reorg.c
View File

@ -2349,7 +2349,9 @@ fill_simple_delay_slots (int non_jumps_p)
&& eligible_for_delay (insn, slots_filled, next_trial, flags)
&& ! can_throw_internal (trial))
{
rtx new_label = next_active_insn (next_trial);
/* See comment in relax_delay_slots about necessity of using
next_real_insn here. */
rtx new_label = next_real_insn (next_trial);
if (new_label != 0)
new_label = get_label_before (new_label);
@ -3074,7 +3076,9 @@ relax_delay_slots (rtx first)
&& (target_label = JUMP_LABEL (insn)) != 0)
{
target_label = follow_jumps (target_label);
target_label = prev_label (next_active_insn (target_label));
/* See comment further down why we must use next_real_insn here,
instead of next_active_insn. */
target_label = prev_label (next_real_insn (target_label));
if (target_label == 0)
target_label = find_end_label ();