diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/except.c b/gcc/except.c index 10b5a7c..4991e7b 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1209,6 +1209,28 @@ sjlj_emit_function_enter (rtx_code_label *dispatch_label) fn_begin_outside_block = false; } +#ifdef DONT_USE_BUILTIN_SETJMP + if (dispatch_label) + { + /* The sequence contains a branch in the middle so we need to force + the creation of a new basic block by means of BB_SUPERBLOCK. */ + if (fn_begin_outside_block) + { + basic_block bb + = split_edge (single_succ_edge (ENTRY_BLOCK_PTR_FOR_FN (cfun))); + if (JUMP_P (BB_END (bb))) + emit_insn_before (seq, BB_END (bb)); + else + emit_insn_after (seq, BB_END (bb)); + } + else + emit_insn_after (seq, fn_begin); + + single_succ (ENTRY_BLOCK_PTR_FOR_FN (cfun))->flags |= BB_SUPERBLOCK; + return; + } +#endif + if (fn_begin_outside_block) insert_insn_on_edge (seq, single_succ_edge (ENTRY_BLOCK_PTR_FOR_FN (cfun))); else |