diff options
| -rw-r--r-- | gcc/ext-dce.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/ext-dce.cc b/gcc/ext-dce.cc index 6d4b885..b4450e4 100644 --- a/gcc/ext-dce.cc +++ b/gcc/ext-dce.cc @@ -591,8 +591,10 @@ ext_dce_process_uses (rtx_insn *insn, rtx obj, bitmap live_tmp) making things live. Breaking from this loop will cause the iterator to work on sub-rtxs, so it is safe to break if we see something we don't know how to handle. */ + unsigned HOST_WIDE_INT save_mask = dst_mask; for (;;) { + dst_mask = save_mask; /* Strip an outer paradoxical subreg. The bits outside the inner mode are don't cares. So we can just strip and process the inner object. */ |