diff options
| author | Bernd Schmidt <bernds@codesourcery.com> | 2011-07-11 19:41:11 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2011-07-11 19:41:11 +0000 |
| commit | c0b6224a6e147ba90d7df5dc9d556f42d0bf6a28 (patch) | |
| tree | 9d9bebce97e923e842aa0827ab7a9f3ffe3fa7d4 /gcc/genautomata.c | |
| parent | 7263c6d715f45580abda86e3617804524d28853b (diff) | |
genautomata.c (add_arc): Return void.
* genautomata.c (add_arc): Return void. All callers changed.
(make_automaton): Remove dead code.
From-SVN: r176179
Diffstat (limited to 'gcc/genautomata.c')
| -rw-r--r-- | gcc/genautomata.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/gcc/genautomata.c b/gcc/genautomata.c index cbf83432ea7..71809661592 100644 --- a/gcc/genautomata.c +++ b/gcc/genautomata.c @@ -3908,16 +3908,16 @@ find_arc (state_t from_state, state_t to_state, ainsn_t insn) return NULL; } -/* The function adds arc from FROM_STATE to TO_STATE marked by AINSN. - The function returns added arc (or already existing arc). */ -static arc_t +/* The function adds arc from FROM_STATE to TO_STATE marked by AINSN, + unless such an arc already exists. */ +static void add_arc (state_t from_state, state_t to_state, ainsn_t ainsn) { arc_t new_arc; new_arc = find_arc (from_state, to_state, ainsn); if (new_arc != NULL) - return new_arc; + return; if (first_free_arc == NULL) { #ifndef NDEBUG @@ -3940,7 +3940,6 @@ add_arc (state_t from_state, state_t to_state, ainsn_t ainsn) from_state->first_out_arc = new_arc; from_state->num_out_arcs++; new_arc->next_arc_marked_by_insn = NULL; - return new_arc; } /* The function returns the first arc starting from STATE. */ @@ -5464,7 +5463,6 @@ make_automaton (automaton_t automaton) state_t start_state; state_t state2; ainsn_t advance_cycle_ainsn; - arc_t added_arc; VEC(state_t, heap) *state_stack = VEC_alloc(state_t, heap, 150); int states_n; reserv_sets_t reservs_matter = form_reservs_matter (automaton); @@ -5489,7 +5487,6 @@ make_automaton (automaton_t automaton) { /* We process alt_states in the same order as they are present in the description. */ - added_arc = NULL; for (alt_state = ainsn->alt_states; alt_state != NULL; alt_state = alt_state->next_alt_state) @@ -5507,18 +5504,11 @@ make_automaton (automaton_t automaton) if (progress_flag && states_n % 100 == 0) fprintf (stderr, "."); } - added_arc = add_arc (state, state2, ainsn); + add_arc (state, state2, ainsn); if (!ndfa_flag) break; } } - if (!ndfa_flag && added_arc != NULL) - { - for (alt_state = ainsn->alt_states; - alt_state != NULL; - alt_state = alt_state->next_alt_state) - state2 = alt_state->state; - } } else advance_cycle_ainsn = ainsn; |