diff options
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index d0ab392..2453c74 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -522,7 +522,7 @@ rest_of_handle_stack_regs (tree decl, rtx insns) { if (cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_POST_REGSTACK | (flag_crossjumping ? CLEANUP_CROSSJUMP : 0)) - && flag_reorder_blocks) + && (flag_reorder_blocks || flag_reorder_blocks_and_partition)) { reorder_basic_blocks (); cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_POST_REGSTACK); @@ -718,9 +718,9 @@ rest_of_handle_reorder_blocks (tree decl, rtx insns) if (flag_sched2_use_traces && flag_schedule_insns_after_reload) tracer (); - if (flag_reorder_blocks) + if (flag_reorder_blocks || flag_reorder_blocks_and_partition) reorder_basic_blocks (); - if (flag_reorder_blocks + if (flag_reorder_blocks || flag_reorder_blocks_and_partition || (flag_sched2_use_traces && flag_schedule_insns_after_reload)) changed |= cleanup_cfg (CLEANUP_EXPENSIVE | (!HAVE_conditional_execution @@ -1806,6 +1806,20 @@ rest_of_compilation (tree decl) if (flag_if_conversion) rest_of_handle_if_after_combine (decl, insns); + /* The optimization to partition hot/cold basic blocks into separate + sections of the .o file does not work well with exception handling. + Don't call it if there are exceptions. */ + + if (flag_reorder_blocks_and_partition && !flag_exceptions) + { + no_new_pseudos = 0; + partition_hot_cold_basic_blocks (); + allocate_reg_life_data (); + update_life_info (NULL, UPDATE_LIFE_GLOBAL_RM_NOTES, + PROP_LOG_LINKS | PROP_REG_INFO | PROP_DEATH_NOTES); + no_new_pseudos = 1; + } + if (optimize > 0 && (flag_regmove || flag_expensive_optimizations)) rest_of_handle_regmove (decl, insns); |