diff options
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index e119352dc8a..9c0109da86b 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1671,6 +1671,12 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, start_sequence (); + /* Emit a NOTE_INSN_DELETED to force at least two insns onto the sequence. + Else gen_sequence could return a raw pattern for a jump which we pass + off to emit_insn_before (instead of emit_jump_insn_before) which causes + a variety of losing behaviors later. */ + emit_note (0, NOTE_INSN_DELETED); + insn = copy_start; do { |