diff options
Diffstat (limited to 'contrib/gcc/toplev.c')
| -rw-r--r-- | contrib/gcc/toplev.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/contrib/gcc/toplev.c b/contrib/gcc/toplev.c index 5abcf7f..adccdc4 100644 --- a/contrib/gcc/toplev.c +++ b/contrib/gcc/toplev.c @@ -2816,7 +2816,8 @@ rest_of_compilation (decl) tem = cse_main (insns, max_reg_num (), 0, rtl_dump_file); if (tem) rebuild_jump_labels (insns); - purge_all_dead_edges (0); + if (purge_all_dead_edges (0)) + delete_unreachable_blocks (); delete_trivially_dead_insns (insns, max_reg_num ()); @@ -3461,6 +3462,23 @@ rest_of_compilation (decl) #endif #ifdef STACK_REGS +#if defined (HAVE_ATTR_length) + /* If flow2 creates new instructions which need splitting + and scheduling after reload is not done, they might not be + splitten until final which doesn't allow splitting + if HAVE_ATTR_length. */ +#ifdef INSN_SCHEDULING + if (optimize && !flag_schedule_insns_after_reload) +#else + if (optimize) +#endif + { + timevar_push (TV_SHORTEN_BRANCH); + split_all_insns (1); + timevar_pop (TV_SHORTEN_BRANCH); + } +#endif + timevar_push (TV_REG_STACK); open_dump_file (DFI_stack, decl); |
