diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index f01696696bf..58e422041e4 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -15262,9 +15262,6 @@ Emit instrumentation calls to __tsan_func_entry() and __tsan_func_exit(). Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path. -@item max-fsm-thread-length -Maximum number of basic blocks on a jump thread path. - @item threader-debug threader-debug=[none|all] Enables verbose dumping of the threader solver. diff --git a/gcc/params.opt b/gcc/params.opt index 132987343c6..201b5c9f56f 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -498,10 +498,6 @@ The maximum number of nested indirect inlining performed by early inliner. Common Joined UInteger Var(param_max_fields_for_field_sensitive) Param Maximum number of fields in a structure before pointer analysis treats the structure as a single variable. --param=max-fsm-thread-length= -Common Joined UInteger Var(param_max_fsm_thread_length) Init(10) IntegerRange(1, 999999) Param Optimization -Maximum number of basic blocks on a jump thread path. - -param=max-fsm-thread-path-insns= Common Joined UInteger Var(param_max_fsm_thread_path_insns) Init(100) IntegerRange(1, 999999) Param Optimization Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path. diff --git a/gcc/tree-ssa-threadbackward.cc b/gcc/tree-ssa-threadbackward.cc index a5f8f141071..30047c654fb 100644 --- a/gcc/tree-ssa-threadbackward.cc +++ b/gcc/tree-ssa-threadbackward.cc @@ -569,15 +569,6 @@ back_threader_profitability::profitable_path_p (const vec &m_path, if (m_path.length () <= 1) return false; - if (m_path.length () > (unsigned) param_max_fsm_thread_length) - { - if (dump_file && (dump_flags & TDF_DETAILS)) - fprintf (dump_file, " FAIL: Jump-thread path not considered: " - "the number of basic blocks on the path " - "exceeds PARAM_MAX_FSM_THREAD_LENGTH.\n"); - return false; - } - int n_insns = 0; gimple_stmt_iterator gsi; loop_p loop = m_path[0]->loop_father;