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| author | Jakub Jelinek <jakub@redhat.com> | 2010-07-30 16:36:56 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-07-30 16:36:56 +0200 |
| commit | f0fc0803eacde9850a7ff4a12d2f4ad29f1bcb2c (patch) | |
| tree | 0a83c3adb8609c51590489ead2d7d994656b6183 /gcc/sched-deps.c | |
| parent | f53ea4f08975910c2e92eda9ebe0785845e42247 (diff) | |
| download | gcc-f0fc0803eacde9850a7ff4a12d2f4ad29f1bcb2c.tar.gz | |
re PR debug/45055 (another -fcompare-debug failure with uninitialised read in walk_gimple_stmt)
PR debug/45055
PR rtl-optimization/45137
* rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
prototypes.
* emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
New functions.
* combine.c (next_nonnote_nondebug_insn): Removed.
* ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
* haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
* sched-deps.c (sched_analyze_insn): Likewise.
(fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
* rtlanal.c (canonicalize_condition): Likewise.
* postreload.c (reload_combine_recognize_pattern): Likewise.
(reload_cse_move2add): Use next_nonnote_nondebug_insn.
* gcc.dg/pr45055.c: New test.
From-SVN: r162714
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 608f7245d1c..dddf836063b 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -1521,9 +1521,7 @@ fixup_sched_groups (rtx insn) delete_all_dependences (insn); - prev_nonnote = prev_nonnote_insn (insn); - while (DEBUG_INSN_P (prev_nonnote)) - prev_nonnote = prev_nonnote_insn (prev_nonnote); + prev_nonnote = prev_nonnote_nondebug_insn (insn); if (BLOCK_FOR_INSN (insn) == BLOCK_FOR_INSN (prev_nonnote) && ! sched_insns_conditions_mutex_p (insn, prev_nonnote)) add_dependence (insn, prev_nonnote, REG_DEP_ANTI); @@ -2699,9 +2697,7 @@ sched_analyze_insn (struct deps_desc *deps, rtx x, rtx insn) if (JUMP_P (insn)) { rtx next; - next = next_nonnote_insn (insn); - while (next && DEBUG_INSN_P (next)) - next = next_nonnote_insn (next); + next = next_nonnote_nondebug_insn (insn); if (next && BARRIER_P (next)) reg_pending_barrier = MOVE_BARRIER; else @@ -3370,10 +3366,8 @@ deps_start_bb (struct deps_desc *deps, rtx head) hard registers correct. */ if (! reload_completed && !LABEL_P (head)) { - rtx insn = prev_nonnote_insn (head); + rtx insn = prev_nonnote_nondebug_insn (head); - while (insn && DEBUG_INSN_P (insn)) - insn = prev_nonnote_insn (insn); if (insn && CALL_P (insn)) deps->in_post_call_group_p = post_call_initial; } |