diff options
Diffstat (limited to 'gcc/cfglayout.c')
| -rw-r--r-- | gcc/cfglayout.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c index ee72030327c..d93b84542fc 100644 --- a/gcc/cfglayout.c +++ b/gcc/cfglayout.c @@ -1112,7 +1112,7 @@ cfg_layout_can_duplicate_bb_p (const_basic_block bb) rtx duplicate_insn_chain (rtx from, rtx to) { - rtx insn, last; + rtx insn, last, copy; /* Avoid updating of boundaries of previous basic block. The note will get removed from insn stream in fixup. */ @@ -1133,7 +1133,8 @@ duplicate_insn_chain (rtx from, rtx to) if (GET_CODE (PATTERN (insn)) == ADDR_VEC || GET_CODE (PATTERN (insn)) == ADDR_DIFF_VEC) break; - emit_copy_of_insn_after (insn, get_last_insn ()); + copy = emit_copy_of_insn_after (insn, get_last_insn ()); + maybe_copy_epilogue_insn (insn, copy); break; case CODE_LABEL: @@ -1153,23 +1154,18 @@ duplicate_insn_chain (rtx from, rtx to) case NOTE_INSN_DELETED: case NOTE_INSN_DELETED_LABEL: /* No problem to strip these. */ - case NOTE_INSN_EPILOGUE_BEG: - /* Debug code expect these notes to exist just once. - Keep them in the master copy. - ??? It probably makes more sense to duplicate them for each - epilogue copy. */ case NOTE_INSN_FUNCTION_BEG: /* There is always just single entry to function. */ case NOTE_INSN_BASIC_BLOCK: break; + case NOTE_INSN_EPILOGUE_BEG: case NOTE_INSN_SWITCH_TEXT_SECTIONS: emit_note_copy (insn); break; default: - /* All other notes should have already been eliminated. - */ + /* All other notes should have already been eliminated. */ gcc_unreachable (); } break; |