diff options
| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1999-03-02 08:48:09 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1999-03-02 08:48:09 +0000 |
| commit | c956720a549bf2470acd304d5496bec9b281370e (patch) | |
| tree | fe5015333238425a5383eadfa30a047bec9d5eac | |
| parent | 83fdb19109ecbca5a3b21cd303b42edc2c8d7bc8 (diff) | |
| download | gcc-c956720a549bf2470acd304d5496bec9b281370e.zip gcc-c956720a549bf2470acd304d5496bec9b281370e.tar.gz gcc-c956720a549bf2470acd304d5496bec9b281370e.tar.bz2 | |
unroll.c (copy_loop_body): Don't make extra copies of NOTE_INSN_LOOP_CONT notes.
* unroll.c (copy_loop_body): Don't make extra copies of
NOTE_INSN_LOOP_CONT notes.
From-SVN: r25535
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/unroll.c | 7 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6eb054b..8b984de 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * unroll.c (copy_loop_body): Don't make extra copies of + NOTE_INSN_LOOP_CONT notes. + Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com> * tree.c (save_tree_status): Don't treat functions with no context diff --git a/gcc/unroll.c b/gcc/unroll.c index 28c3e7b..841f06a 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -2127,15 +2127,16 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, break; case NOTE: - /* VTOP notes are valid only before the loop exit test. If placed - anywhere else, loop may generate bad code. */ + /* VTOP and CONT notes are valid only before the loop exit test. + If placed anywhere else, loop may generate bad code. */ /* BASIC_BLOCK notes exist to stabilize basic block structures with the associated rtl. We do not want to share the structure in this new block. */ if (NOTE_LINE_NUMBER (insn) != NOTE_INSN_DELETED && NOTE_LINE_NUMBER (insn) != NOTE_INSN_BASIC_BLOCK - && (NOTE_LINE_NUMBER (insn) != NOTE_INSN_LOOP_VTOP + && ((NOTE_LINE_NUMBER (insn) != NOTE_INSN_LOOP_VTOP + && NOTE_LINE_NUMBER (insn) != NOTE_INSN_LOOP_CONT) || (last_iteration && unroll_type != UNROLL_COMPLETELY))) copy = emit_note (NOTE_SOURCE_FILE (insn), NOTE_LINE_NUMBER (insn)); |