diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 2df15e7..3bc9dac 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -737,6 +737,10 @@ int flag_exceptions; int flag_unwind_tables = 0; +/* Nonzero means generate frame unwind info table exact at each insn boundary */ + +int flag_asynchronous_unwind_tables = 0; + /* Nonzero means don't place uninitialized global data in common storage by default. */ @@ -1096,6 +1100,8 @@ lang_independent_options f_options[] = N_("Enable exception handling") }, {"unwind-tables", &flag_unwind_tables, 1, N_("Just generate unwind tables for exception handling") }, + {"asynchronous-unwind-tables", &flag_asynchronous_unwind_tables, 1, + N_("Generate unwind tables exact at each instruction boundary") }, {"non-call-exceptions", &flag_non_call_exceptions, 1, N_("Support synchronous non-call exceptions") }, {"profile-arcs", &profile_arc_flag, 1, @@ -2933,10 +2939,6 @@ rest_of_compilation (decl) convert_from_ssa (); /* New registers have been created. Rescan their usage. */ reg_scan (insns, max_reg_num (), 1); - /* Life analysis used in SSA adds log_links but these - shouldn't be there until the flow stage, so clear - them away. */ - clear_log_links (insns); close_dump_file (DFI_ussa, print_rtl_with_bb, insns); timevar_pop (TV_FROM_SSA); @@ -3370,7 +3372,7 @@ rest_of_compilation (decl) register_life_up_to_date = 0; #ifdef OPTIMIZE_MODE_SWITCHING - timevar_push (TV_GCSE); + timevar_push (TV_MODE_SWITCH); no_new_pseudos = 0; if (optimize_mode_switching (NULL)) @@ -3382,7 +3384,7 @@ rest_of_compilation (decl) } no_new_pseudos = 1; - timevar_pop (TV_GCSE); + timevar_pop (TV_MODE_SWITCH); #endif timevar_push (TV_SCHED); @@ -4911,6 +4913,11 @@ toplev_main (argc, argv) flag_rerun_cse_after_loop = 1; } + if (flag_non_call_exceptions) + flag_asynchronous_unwind_tables = 1; + if (flag_asynchronous_unwind_tables) + flag_unwind_tables = 1; + /* Warn about options that are not supported on this machine. */ #ifndef INSN_SCHEDULING if (flag_schedule_insns || flag_schedule_insns_after_reload) |