Makefile.in (bb-reorder.o, [...]): Depend on bb-reorder.h
gcc/ * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h * bb-reorder.h: New file. * bb-reorder.c (default_target_bb_reorder): New variable. (this_target_bb_reorder): New conditional variable. (uncond_jump_length): Redefine as a macro. * target-globals.h (this_target_bb_reorder): Declare. (target_globals): Add a bb_reorder field. (restore_target_globals): Copy the bb_reorder field to this_target_bb-reorder. * target-globals.c: Include bb-reorder.h. (default_target_globals): Initialize the bb_reorder field. (save_target_globals): Likewise. From-SVN: r162109
This commit is contained in:
Richard Sandiford
Richard Sandiford
parent
7c6811fe1e
commit
76ee381a9c
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@ -1,3 +1,18 @@
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2010-07-12 Richard Sandiford <rdsandiford@googlemail.com>
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* Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
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* bb-reorder.h: New file.
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* bb-reorder.c (default_target_bb_reorder): New variable.
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(this_target_bb_reorder): New conditional variable.
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(uncond_jump_length): Redefine as a macro.
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* target-globals.h (this_target_bb_reorder): Declare.
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(target_globals): Add a bb_reorder field.
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(restore_target_globals): Copy the bb_reorder field to
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this_target_bb-reorder.
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* target-globals.c: Include bb-reorder.h.
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(default_target_globals): Initialize the bb_reorder field.
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(save_target_globals): Likewise.
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2010-07-12 Richard Sandiford <rdsandiford@googlemail.com>
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* Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
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@ -3434,7 +3434,8 @@ lists.o: lists.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TOPLEV_H) $(DIAGN
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bb-reorder.o : bb-reorder.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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$(RTL_H) $(FLAGS_H) $(TIMEVAR_H) output.h $(CFGLAYOUT_H) $(FIBHEAP_H) \
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$(TARGET_H) $(FUNCTION_H) $(TM_P_H) $(OBSTACK_H) $(EXPR_H) $(REGS_H) \
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$(PARAMS_H) $(TOPLEV_H) $(DIAGNOSTIC_CORE_H) $(TREE_PASS_H) $(DF_H)
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$(PARAMS_H) $(TOPLEV_H) $(DIAGNOSTIC_CORE_H) $(TREE_PASS_H) $(DF_H) \
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bb-reorder.h
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tracer.o : tracer.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
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$(TREE_H) $(BASIC_BLOCK_H) hard-reg-set.h output.h $(CFGLAYOUT_H) \
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$(FLAGS_H) $(TIMEVAR_H) $(PARAMS_H) $(COVERAGE_H) $(FIBHEAP_H) \
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@ -3483,7 +3484,7 @@ lower-subreg.o : lower-subreg.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
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target-globals.o : target-globals.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
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$(TM_H) insn-config.h $(MACHMODE_H) $(GGC_H) $(TOPLEV_H) target-globals.h \
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$(FLAGS_H) $(REGS_H) $(RTL_H) reload.h expmed.h $(EXPR_H) $(OPTABS_H) \
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$(LIBFUNCS_H) $(CFGLOOP_H) $(IRA_INT_H) builtins.h gcse.h
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$(LIBFUNCS_H) $(CFGLOOP_H) $(IRA_INT_H) builtins.h gcse.h bb-reorder.h
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$(out_object_file): $(out_file) $(CONFIG_H) coretypes.h $(TM_H) $(TREE_H) \
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$(RTL_H) $(REGS_H) hard-reg-set.h insn-config.h conditions.h \
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@ -86,6 +86,7 @@
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#include "toplev.h" /* user_defined_section_attribute */
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#include "tree-pass.h"
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#include "df.h"
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#include "bb-reorder.h"
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/* The number of rounds. In most cases there will only be 4 rounds, but
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when partitioning hot and cold basic blocks into separate sections of
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@ -101,6 +102,14 @@
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#endif
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struct target_bb_reorder default_target_bb_reorder;
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#if SWITCHABLE_TARGET
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struct target_bb_reorder *this_target_bb_reorder = &default_target_bb_reorder;
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#endif
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#define uncond_jump_length \
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(this_target_bb_reorder->x_uncond_jump_length)
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/* Branch thresholds in thousandths (per mille) of the REG_BR_PROB_BASE. */
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static int branch_threshold[N_ROUNDS] = {400, 200, 100, 0, 0};
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@ -111,9 +120,6 @@ static int exec_threshold[N_ROUNDS] = {500, 200, 50, 0, 0};
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block the edge destination is not duplicated while connecting traces. */
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#define DUPLICATION_THRESHOLD 100
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/* Length of unconditional jump instruction. */
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static int uncond_jump_length;
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/* Structure to hold needed information for each basic block. */
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typedef struct bbro_basic_block_data_def
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{
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@ -0,0 +1,37 @@
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/* Basic block reordering routines for the GNU compiler.
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Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_BB_REORDER
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#define GCC_BB_REORDER
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/* Target-specific globals. */
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struct target_bb_reorder {
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/* Length of unconditional jump instruction. */
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int x_uncond_jump_length;
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};
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extern GTY(()) struct target_bb_reorder default_target_bb_reorder;
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#if SWITCHABLE_TARGET
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extern struct target_bb_reorder *this_target_bb_reorder;
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#else
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#define this_target_bb_reorder (&default_target_bb_reorder)
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#endif
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#endif
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@ -39,6 +39,7 @@ along with GCC; see the file COPYING3. If not see
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#include "ira-int.h"
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#include "builtins.h"
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#include "gcse.h"
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#include "bb-reorder.h"
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#if SWITCHABLE_TARGET
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struct target_globals default_target_globals = {
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@ -54,7 +55,8 @@ struct target_globals default_target_globals = {
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&default_target_ira,
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&default_target_ira_int,
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&default_target_builtins,
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&default_target_gcse
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&default_target_gcse,
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&default_target_bb_reorder
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};
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struct target_globals *
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@ -76,6 +78,7 @@ save_target_globals (void)
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g->ira_int = XCNEW (struct target_ira_int);
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g->builtins = XCNEW (struct target_builtins);
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g->gcse = XCNEW (struct target_gcse);
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g->bb_reorder = XCNEW (struct target_bb_reorder);
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restore_target_globals (g);
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target_reinit ();
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return g;
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@ -34,6 +34,7 @@ extern struct target_ira *this_target_ira;
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extern struct target_ira_int *this_target_ira_int;
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extern struct target_builtins *this_target_builtins;
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extern struct target_gcse *this_target_gcse;
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extern struct target_bb_reorder *this_target_bb_reorder;
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struct GTY(()) target_globals {
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struct target_flag_state *GTY((skip)) flag_state;
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@ -49,6 +50,7 @@ struct GTY(()) target_globals {
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struct target_ira_int *GTY((skip)) ira_int;
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struct target_builtins *GTY((skip)) builtins;
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struct target_gcse *GTY((skip)) gcse;
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struct target_bb_reorder *GTY((skip)) bb_reorder;
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};
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extern struct target_globals default_target_globals;
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@ -71,6 +73,7 @@ restore_target_globals (struct target_globals *g)
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this_target_ira_int = g->ira_int;
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this_target_builtins = g->builtins;
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this_target_gcse = g->gcse;
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this_target_bb_reorder = g->bb_reorder;
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}
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#endif
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