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authorJan Hubicka <jh@suse.cz>2001-09-25 17:26:55 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2001-09-25 15:26:55 +0000
commitca6c03cabd8de0c3d6614ffd3100eb063778871b (patch)
treec24462f2a137fa697fa16cd37b541df560a461cf /gcc/predict.c
parent21e1b5f1e05d3118f2e534373ecee20b690c17ab (diff)
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Makefile.in (cfgrtl.o): Add.
* Makefile.in (cfgrtl.o): Add. * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks, free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges, free_aux_for_edge): Declare. * cfg.c (HAVE_return): Undefine. * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks, free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges, free_aux_for_edge): New global functions. (first_delete_block): New static variable. (init_flow): Clear first_delete_block. (basic_block_for_insn, label_value_list, tail_recursion_label_list, can_delete_note_p, can_delete_label_p, commit_one_edge_insertion, try_redirect_by_replacing_jump, last_loop_beg_note, back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect, delete_insn, delete_insn_chain, create_basic_block_structure, create_basic_block, flow_delete_block, compute_bb_for_insn, free_bb_for_insn, update_bb_for_insn, set_block_for_insn, set_block_for_new_insns, split_block, merge_blocks_nomove, block_label, try_redirect_by_replacing_jump, last_loop_beg_note, redirect_edge_and_branch, force_nonfallthru_and_redirect, force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge, tidy_fallthru_edges, split_edge, insert_insn_on_edge, commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges, purge_all_dead_edges): Move to .... * cfgrtl.c: New file; .... Here. * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block. (reroder_basic_block): Use alloc_aux_for_blocks. * predict.c (estimate_bb_frequencies): Likewise; use alloc_aux_for_edges. * profile.c (compute_branch_probabilities): Likewise. (branch_prob): Likewise. * reg-stack.c (reg_to_stack): Likewise. * emit-rtl.c (emit_insns_after): Never return NULL. * basic-block.h (set_block_for_new_insns): Delete. * cfgrtl.c (set_block_for_new_insns): Delete. * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn calls when crossjumping. * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call. * unroll.c (copy_loop_body): Use delete_insn. * final.c (final, final_scan_insn): Use delete_insn/delete_note. * function.c (fixup_var_refs_insn, fixup_var_refs_1, keep_stack_depressed): Likewise. * gcse.c (cprop_cc0_jump): Likewise. * local-alloc.c (update_equiv_regs): Likewise. * loop.c (scan_loop, loop_delete_insns): Likewise. * regmove.c (try_auto_increment, fixup_match_1): Likewise. * reload1.c (reload, calculate_needs_all_insns, reload_as_needed, delete_output_reload, delete_address_reloads_1, reload_cse_delete_noop_set, reload_combine, reload_cse_move2add): Likewise. * sibcall.c (replace_call_placeholder): Likewise. * cse.c (cse_insn): Likewise. From-SVN: r45807
Diffstat (limited to 'gcc/predict.c')
-rw-r--r--gcc/predict.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/gcc/predict.c b/gcc/predict.c
index 42d7795..e15df72 100644
--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -832,9 +832,6 @@ static void
estimate_bb_frequencies (loops)
struct loops *loops;
{
- block_info bi;
- edge_info ei;
- int edgenum = 0;
int i;
double freq_max = 0;
@@ -891,8 +888,8 @@ estimate_bb_frequencies (loops)
ENTRY_BLOCK_PTR->succ->probability = REG_BR_PROB_BASE;
/* Set up block info for each basic block. */
- bi = (block_info) xcalloc ((n_basic_blocks + 2), sizeof (*bi));
- ei = (edge_info) xcalloc ((n_edges), sizeof (*ei));
+ alloc_aux_for_blocks (sizeof (struct block_info_def));
+ alloc_aux_for_edges (sizeof (struct edge_info_def));
for (i = -2; i < n_basic_blocks; i++)
{
edge e;
@@ -904,14 +901,10 @@ estimate_bb_frequencies (loops)
bb = EXIT_BLOCK_PTR;
else
bb = BASIC_BLOCK (i);
- bb->aux = bi + i + 2;
BLOCK_INFO (bb)->tovisit = 0;
for (e = bb->succ; e; e = e->succ_next)
- {
- e->aux = ei + edgenum, edgenum++;
- EDGE_INFO (e)->back_edge_prob = ((double) e->probability
- / REG_BR_PROB_BASE);
- }
+ EDGE_INFO (e)->back_edge_prob = ((double) e->probability
+ / REG_BR_PROB_BASE);
}
/* First compute probabilities locally for each loop from innermost
to outermost to examine probabilities for back edges. */
@@ -940,6 +933,6 @@ estimate_bb_frequencies (loops)
+ 0.5);
}
- free (ei);
- free (bi);
+ free_aux_for_blocks ();
+ free_aux_for_edges ();
}