diff options
| author | mkuvyrkov <mkuvyrkov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-08 08:51:13 +0000 |
|---|---|---|
| committer | mkuvyrkov <mkuvyrkov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-08 08:51:13 +0000 |
| commit | 792f183828f1c38c2b580e1e6cee3e5768f60666 (patch) | |
| tree | dd600eb9e487c470b97b977ffe09c4e1cdef4d4a /gcc/haifa-sched.c | |
| parent | 2ba580f0af188faf1230b9d05821d94db7a0c2fe (diff) | |
| download | gcc-792f183828f1c38c2b580e1e6cee3e5768f60666.tar.gz | |
2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR target/27863
* haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
block boundaries.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114484 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/haifa-sched.c')
| -rw-r--r-- | gcc/haifa-sched.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 95050476c25..8bd65c276da 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -1243,12 +1243,22 @@ unlink_other_notes (rtx insn, rtx tail) while (insn != tail && NOTE_NOT_BB_P (insn)) { rtx next = NEXT_INSN (insn); + basic_block bb = BLOCK_FOR_INSN (insn); + /* Delete the note from its current position. */ if (prev) NEXT_INSN (prev) = next; if (next) PREV_INSN (next) = prev; + /* Basic block can begin with either LABEL or + NOTE_INSN_BASIC_BLOCK. */ + gcc_assert (BB_HEAD (bb) != insn); + + /* Check if we are removing last insn in the BB. */ + if (BB_END (bb) == insn) + BB_END (bb) = prev; + /* See sched_analyze to see how these are handled. */ if (NOTE_LINE_NUMBER (insn) != NOTE_INSN_EH_REGION_BEG && NOTE_LINE_NUMBER (insn) != NOTE_INSN_EH_REGION_END) @@ -1279,12 +1289,22 @@ unlink_line_notes (rtx insn, rtx tail) if (write_symbols != NO_DEBUG && NOTE_LINE_NUMBER (insn) > 0) { + basic_block bb = BLOCK_FOR_INSN (insn); + /* Delete the note from its current position. */ if (prev) NEXT_INSN (prev) = next; if (next) PREV_INSN (next) = prev; + /* Basic block can begin with either LABEL or + NOTE_INSN_BASIC_BLOCK. */ + gcc_assert (BB_HEAD (bb) != insn); + + /* Check if we are removing last insn in the BB. */ + if (BB_END (bb) == insn) + BB_END (bb) = prev; + /* Record line-number notes so they can be reused. */ LINE_NOTE (insn) = insn; } |