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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-1999] Remove --param max-fsm-thread-length Date: Tue, 9 Aug 2022 08:24:11 +0000 (GMT) [thread overview] Message-ID: <20220809082411.962AF385735A@sourceware.org> (raw) https://gcc.gnu.org/g:c64ef5cd92c2e340caabc95f4a28c9a125e8b5b8 commit r13-1999-gc64ef5cd92c2e340caabc95f4a28c9a125e8b5b8 Author: Richard Biener <rguenther@suse.de> Date: Mon Aug 8 14:04:43 2022 +0200 Remove --param max-fsm-thread-length This removes max-fsm-thread-length which is obsoleted by max-jump-thread-paths. * doc/invoke.texi (max-fsm-thread-length): Remove. * params.opt (max-fsm-thread-length): Likewise. * tree-ssa-threadbackward.cc (back_threader_profitability::profitable_path_p): Do not check max-fsm-thread-length. Diff: --- gcc/doc/invoke.texi | 3 --- gcc/params.opt | 4 ---- gcc/tree-ssa-threadbackward.cc | 9 --------- 3 files changed, 16 deletions(-) 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<basic_block> &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;
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