diff options
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index 1b01277..1bd554c 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -158,6 +158,7 @@ enum dump_file_index DFI_lreg, DFI_greg, DFI_postreload, + DFI_gcse2, DFI_flow2, DFI_peephole2, DFI_ce3, @@ -178,7 +179,7 @@ enum dump_file_index Remaining -d letters: " e m q " - " JK O Q WXY " + " K O Q WXY " */ static struct dump_file_info dump_file_tbl[DFI_MAX] = @@ -210,6 +211,7 @@ static struct dump_file_info dump_file_tbl[DFI_MAX] = { "lreg", 'l', 1, 0, 0 }, { "greg", 'g', 1, 0, 0 }, { "postreload", 'o', 1, 0, 0 }, + { "gcse2", 'J', 0, 0, 0 }, { "flow2", 'w', 1, 0, 0 }, { "peephole2", 'z', 1, 0, 0 }, { "ce3", 'E', 1, 0, 0 }, @@ -788,6 +790,23 @@ rest_of_handle_sched2 (tree decl, rtx insns) } #endif +static void +rest_of_handle_gcse2 (tree decl, rtx insns) +{ + open_dump_file (DFI_gcse2, decl); + + gcse_after_reload_main (insns, dump_file); + rebuild_jump_labels (insns); + delete_trivially_dead_insns (insns, max_reg_num ()); + close_dump_file (DFI_gcse2, print_rtl_with_bb, insns); + + ggc_collect (); + +#ifdef ENABLE_CHECKING + verify_flow_info (); +#endif +} + /* Register allocation pre-pass, to reduce number of moves necessary for two-address machines. */ static void @@ -1842,6 +1861,9 @@ rest_of_compilation (tree decl) close_dump_file (DFI_postreload, print_rtl_with_bb, insns); + if (optimize > 0 && flag_gcse_after_reload) + rest_of_handle_gcse2 (decl, insns); + /* Re-create the death notes which were deleted during reload. */ timevar_push (TV_FLOW2); open_dump_file (DFI_flow2, decl); |