diff options
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index c21638f..d766b74 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -649,6 +649,7 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, if (unroll_type == UNROLL_NAIVE && GET_CODE (last_loop_insn) == BARRIER + && GET_CODE (PREV_INSN (last_loop_insn)) == JUMP_INSN && start_label != JUMP_LABEL (PREV_INSN (last_loop_insn))) { /* In this case, we must copy the jump and barrier, because they will @@ -1961,7 +1962,8 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, /* Make split induction variable constants `permanent' since we know there are no backward branches across iteration variable settings which would invalidate this. */ - if (dest_reg_was_split) + if (dest_reg_was_split + && (GET_CODE (pattern) == SET || GET_CODE (pattern) == USE)) { int regno = REGNO (SET_DEST (pattern)); |