From a292e31dac72c20cda3478b866ccf6e07dfad1a4 Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Mon, 10 Aug 2020 12:09:19 +0200 Subject: [PATCH] vec: use inexact growth where possible. gcc/ChangeLog: * cfgrtl.c (rtl_create_basic_block): Use default value for growth vector function. * gimple.c (gimple_set_bb): Likewise. * symbol-summary.h: Likewise. * tree-cfg.c (init_empty_tree_cfg_for_function): Likewise. (build_gimple_cfg): Likewise. (create_bb): Likewise. (move_block_to_fn): Likewise. --- gcc/cfgrtl.c | 8 ++------ gcc/gimple.c | 7 +------ gcc/symbol-summary.h | 13 +++---------- gcc/tree-cfg.c | 25 +++++++------------------ 4 files changed, 13 insertions(+), 40 deletions(-) diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index eb5ccd42ed7..45d84d39b22 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -376,12 +376,8 @@ rtl_create_basic_block (void *headp, void *endp, basic_block after) /* Grow the basic block array if needed. */ if ((size_t) last_basic_block_for_fn (cfun) >= basic_block_info_for_fn (cfun)->length ()) - { - size_t new_size = - (last_basic_block_for_fn (cfun) - + (last_basic_block_for_fn (cfun) + 3) / 4); - vec_safe_grow_cleared (basic_block_info_for_fn (cfun), new_size, true); - } + vec_safe_grow_cleared (basic_block_info_for_fn (cfun), + last_basic_block_for_fn (cfun) + 1); n_basic_blocks_for_fn (cfun)++; diff --git a/gcc/gimple.c b/gcc/gimple.c index 70aa3bc4233..fd4e0fac0d4 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -1689,12 +1689,7 @@ gimple_set_bb (gimple *stmt, basic_block bb) vec_safe_length (label_to_block_map_for_fn (cfun)); LABEL_DECL_UID (t) = uid = cfun->cfg->last_label_uid++; if (old_len <= (unsigned) uid) - { - unsigned new_len = 3 * uid / 2 + 1; - - vec_safe_grow_cleared (label_to_block_map_for_fn (cfun), - new_len, true); - } + vec_safe_grow_cleared (label_to_block_map_for_fn (cfun), uid + 1); } (*label_to_block_map_for_fn (cfun))[uid] = bb; diff --git a/gcc/symbol-summary.h b/gcc/symbol-summary.h index fa1df5c8015..a38eb1db778 100644 --- a/gcc/symbol-summary.h +++ b/gcc/symbol-summary.h @@ -354,11 +354,8 @@ public: id = this->m_symtab->assign_summary_id (node); if ((unsigned int)id >= m_vector->length ()) - { - int newlen = this->m_symtab->cgraph_max_summary_id; - vec_safe_reserve (m_vector, newlen - m_vector->length ()); - m_vector->quick_grow_cleared (newlen); - } + vec_safe_grow_cleared (m_vector, + this->m_symtab->cgraph_max_summary_id); if ((*m_vector)[id] == NULL) (*m_vector)[id] = this->allocate_new (); @@ -815,11 +812,7 @@ public: id = this->m_symtab->assign_summary_id (edge); if ((unsigned)id >= m_vector->length ()) - { - int newlen = this->m_symtab->edges_max_summary_id; - m_vector->reserve (newlen - m_vector->length ()); - m_vector->quick_grow_cleared (newlen); - } + vec_safe_grow_cleared (m_vector, this->m_symtab->edges_max_summary_id); if ((*m_vector)[id] == NULL) (*m_vector)[id] = this->allocate_new (); diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 2964209ccff..406441751a9 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -181,12 +181,10 @@ init_empty_tree_cfg_for_function (struct function *fn) profile_status_for_fn (fn) = PROFILE_ABSENT; n_basic_blocks_for_fn (fn) = NUM_FIXED_BLOCKS; last_basic_block_for_fn (fn) = NUM_FIXED_BLOCKS; - vec_alloc (basic_block_info_for_fn (fn), initial_cfg_capacity); vec_safe_grow_cleared (basic_block_info_for_fn (fn), initial_cfg_capacity, true); /* Build a mapping of labels to their associated blocks. */ - vec_alloc (label_to_block_map_for_fn (fn), initial_cfg_capacity); vec_safe_grow_cleared (label_to_block_map_for_fn (fn), initial_cfg_capacity, true); @@ -232,7 +230,7 @@ build_gimple_cfg (gimple_seq seq) if (basic_block_info_for_fn (cfun)->length () < (size_t) n_basic_blocks_for_fn (cfun)) vec_safe_grow_cleared (basic_block_info_for_fn (cfun), - n_basic_blocks_for_fn (cfun), true); + n_basic_blocks_for_fn (cfun)); /* To speed up statement iterator walks, we first purge dead labels. */ cleanup_dead_labels (); @@ -681,12 +679,8 @@ create_bb (void *h, void *e, basic_block after) /* Grow the basic block array if needed. */ if ((size_t) last_basic_block_for_fn (cfun) == basic_block_info_for_fn (cfun)->length ()) - { - size_t new_size = - (last_basic_block_for_fn (cfun) - + (last_basic_block_for_fn (cfun) + 3) / 4); - vec_safe_grow_cleared (basic_block_info_for_fn (cfun), new_size, true); - } + vec_safe_grow_cleared (basic_block_info_for_fn (cfun), + last_basic_block_for_fn (cfun) + 1); /* Add the newly created block to the array. */ SET_BASIC_BLOCK_FOR_FN (cfun, last_basic_block_for_fn (cfun), bb); @@ -7094,7 +7088,7 @@ move_block_to_fn (struct function *dest_cfun, basic_block bb, edge_iterator ei; edge e; gimple_stmt_iterator si; - unsigned old_len, new_len; + unsigned old_len; /* Remove BB from dominance structures. */ delete_from_dominance_info (CDI_DOMINATORS, bb); @@ -7130,10 +7124,8 @@ move_block_to_fn (struct function *dest_cfun, basic_block bb, old_len = vec_safe_length (cfg->x_basic_block_info); if ((unsigned) cfg->x_last_basic_block >= old_len) - { - new_len = cfg->x_last_basic_block + (cfg->x_last_basic_block + 3) / 4; - vec_safe_grow_cleared (cfg->x_basic_block_info, new_len, true); - } + vec_safe_grow_cleared (cfg->x_basic_block_info, + cfg->x_last_basic_block + 1); (*cfg->x_basic_block_info)[bb->index] = bb; @@ -7206,10 +7198,7 @@ move_block_to_fn (struct function *dest_cfun, basic_block bb, old_len = vec_safe_length (cfg->x_label_to_block_map); if (old_len <= (unsigned) uid) - { - new_len = 3 * uid / 2 + 1; - vec_safe_grow_cleared (cfg->x_label_to_block_map, new_len, true); - } + vec_safe_grow_cleared (cfg->x_label_to_block_map, uid + 1); (*cfg->x_label_to_block_map)[uid] = bb; (*cfun->cfg->x_label_to_block_map)[uid] = NULL; -- 2.30.2