diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/params.opt | 4 | ||||
| -rw-r--r-- | gcc/tree-ssa-threadbackward.c | 18 |
2 files changed, 2 insertions, 20 deletions
diff --git a/gcc/params.opt b/gcc/params.opt index f1f47b4..aa2fb40 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -1010,10 +1010,6 @@ Maximum depth of DFS walk used by modref escape analysis. Common Joined UInteger Var(param_modref_max_escape_points) Init(256) Param Optimization Maximum number of escape points tracked by modref per SSA-name. --param=threader-iterative= -Common Joined UInteger Var(param_threader_iterative) Init(0) Param Optimization -Run backwards threader in iterative mode. - -param=threader-mode= Common Joined Var(param_threader_mode) Enum(threader_mode) Init(THREADER_MODE_RANGER) Param Optimization --param=threader-mode=[legacy|ranger] Specifies the mode the backwards threader should run in. diff --git a/gcc/tree-ssa-threadbackward.c b/gcc/tree-ssa-threadbackward.c index 2c0e975..91ce443 100644 --- a/gcc/tree-ssa-threadbackward.c +++ b/gcc/tree-ssa-threadbackward.c @@ -1342,24 +1342,10 @@ pass_thread_jumps::execute (function *fun) { loop_optimizer_init (LOOPS_HAVE_PREHEADERS | LOOPS_HAVE_SIMPLE_LATCHES); - // Iterative mode is a testing construct and is not meant for public - // consumption. It is OFF by default. - bool iterative = param_threader_iterative; - - bool changed = false; - while (try_thread_blocks (fun)) - { - changed = true; - - if (!iterative) - break; - - if ((param_threader_mode & THREADER_MODE_RANGER) == 0) - break; - cleanup_tree_cfg (TODO_update_ssa); - } + bool changed = try_thread_blocks (fun); loop_optimizer_finalize (); + return changed ? TODO_cleanup_cfg : 0; } |