diff options
| author | hp <hp@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-26 13:19:21 +0000 |
|---|---|---|
| committer | hp <hp@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-26 13:19:21 +0000 |
| commit | 65f2e22c2c231b9a6d2bb0ab91eee7789ab6caac (patch) | |
| tree | 323d0764ceb86d8486f5300af0a4d8a6f3a6eeb7 | |
| parent | d4a20ba9aa431df5a08a1fddbe0391778d48391e (diff) | |
| download | gcc-65f2e22c2c231b9a6d2bb0ab91eee7789ab6caac.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-3_3-branch@82287 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/reorg.c | 8 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f26e43ee8ec..8c477a2149f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-05-26 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. + 2004-05-17 H.J. Lu <hongjiu.lu@intel.com> Backport from mainline diff --git a/gcc/reorg.c b/gcc/reorg.c index 3fdf941ad79..d11e35d83c7 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -2403,7 +2403,9 @@ fill_simple_delay_slots (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); @@ -3136,7 +3138,9 @@ relax_delay_slots (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 (); |