OpenAD/Open64Dox/config__vho_8cxx_source.html

00001 /*
00002
00003   Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.
00004
00005   This program is free software; you can redistribute it and/or modify it
00006   under the terms of version 2 of the GNU General Public License as
00007   published by the Free Software Foundation.
00008
00009   This program is distributed in the hope that it would be useful, but
00010   WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00012
00013   Further, this software is distributed without any warranty that it is
00014   free of the rightful claim of any third person regarding infringement
00015   or the like.  Any license provided herein, whether implied or
00016   otherwise, applies only to this software file.  Patent licenses, if
00017   any, provided herein do not apply to combinations of this program with
00018   other software, or any other product whatsoever.
00019
00020   You should have received a copy of the GNU General Public License along
00021   with this program; if not, write the Free Software Foundation, Inc., 59
00022   Temple Place - Suite 330, Boston MA 02111-1307, USA.
00023
00024   Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
00025   Mountain View, CA 94043, or:
00026
00027   http://www.sgi.com
00028
00029   For further information regarding this notice, see:
00030
00031   http://oss.sgi.com/projects/GenInfo/NoticeExplan
00032
00033 */
00034
00035
00036 /* ====================================================================
00037  * ====================================================================
00038  *
00039  *
00040  * Revision history:
00041  *
00042  * Description:
00043  *
00044  * Configure the -VHO group (included in config.c).
00045  *
00046  * ====================================================================
00047  * ====================================================================
00048  */
00049
00050 /* This file is included in config.c, so it doesn't need its own set of
00051  * standard includes -- only the following:
00052  */
00053 #include "config_vho.h"
00054
00055 /* ====================================================================
00056  *
00057  * Global flag variables which reflect the -VHO group options.
00058  *
00059  * ====================================================================
00060  */
00061
00062 BOOL    VHO_Force_Lowering              = FALSE;
00063 BOOL    VHO_Struct_Opt                  = TRUE;
00064 BOOL    VHO_Combine_Loads               = FALSE;
00065 BOOL    VHO_Recycle_Pregs               = FALSE;
00066 INT32   VHO_Switch_Density              = 12;
00067 INT32   VHO_Switch_If_Else_Limit        = 6;
00068 INT32   VHO_Switch_Compgoto_Limit       = 3;
00069 BOOL    VHO_Switch_Opt                  = FALSE;
00070 BOOL    VHO_Cselect_Opt                 = FALSE;
00071 BOOL    VHO_Iload_Opt                   = FALSE;
00072 BOOL    VHO_Istore_Opt                  = FALSE;
00073 BOOL    VHO_Call_Opt                    = FALSE;
00074 BOOL    VHO_Check_Tree                  = FALSE;
00075 BOOL    VHO_Single_Loop_Test            = FALSE;
00076 BOOL    VHO_Use_Do_While                = FALSE;
00077
00078 /* List of global variables to turn on and off various optimizations */
00079
00080 /* ====================================================================
00081  *
00082  * Descriptor for the -VHO option group.
00083  *
00084  * ====================================================================
00085  */
00086
00087 /* scalar optimizer options: */
00088 static OPTION_DESC Options_VHO[] = {
00089   { OVK_BOOL,   OV_INTERNAL,    FALSE, "lower",              "lower",
00090     FALSE, 0, 0, &VHO_Force_Lowering,  NULL },
00091   { OVK_BOOL,   OV_INTERNAL,    FALSE, "struct_opt",         "struct_opt",
00092     TRUE, 0, 0,  &VHO_Struct_Opt,      NULL },
00093   { OVK_BOOL,   OV_INTERNAL,    FALSE, "recycle_pregs",      "recycle_pregs",
00094     FALSE, 0, 0, &VHO_Recycle_Pregs,   NULL },
00095   { OVK_BOOL,   OV_INTERNAL,    FALSE, "combine_loads",      "combine_loads",
00096     FALSE, 0, 0, &VHO_Combine_Loads,   NULL },
00097   { OVK_INT32,  OV_INTERNAL,    FALSE, "switch_if_else",      "switch_if_else",
00098     6, 1, INT32_MAX,    &VHO_Switch_If_Else_Limit,   NULL },
00099   { OVK_INT32,  OV_INTERNAL,    FALSE, "switch_density",      "switch_density",
00100     12, 1, INT32_MAX,    &VHO_Switch_Density,   NULL },
00101   { OVK_INT32,  OV_INTERNAL,    FALSE, "switch_compgoto",     "switch_compgoto",
00102     3, 1, INT32_MAX,    &VHO_Switch_Compgoto_Limit,   NULL },
00103   { OVK_BOOL,   OV_INTERNAL,    FALSE, "switch_opt",         "switch",
00104     TRUE, 0, 0,  &VHO_Switch_Opt,      NULL },
00105   { OVK_BOOL,   OV_INTERNAL,    FALSE, "cselect_opt",        "cselect",
00106     TRUE, 0, 0,  &VHO_Cselect_Opt,      NULL },
00107   { OVK_BOOL,   OV_INTERNAL,    FALSE, "iload_opt",          "iload",
00108     TRUE, 0, 0,  &VHO_Iload_Opt,      NULL },
00109   { OVK_BOOL,   OV_INTERNAL,    FALSE, "istore_opt",         "istore",
00110     TRUE, 0, 0,  &VHO_Istore_Opt,      NULL },
00111   { OVK_BOOL,   OV_INTERNAL,    FALSE, "call_opt",           "call",
00112     TRUE, 0, 0,  &VHO_Call_Opt,      NULL },
00113   { OVK_BOOL,   OV_INTERNAL,    FALSE, "check_tree",         "check_tree",
00114     TRUE, 0, 0,  &VHO_Check_Tree,      NULL },
00115   { OVK_BOOL,   OV_INTERNAL,    FALSE, "single_loop_test",   "single_loop_test",
00116     TRUE, 0, 0,  &VHO_Single_Loop_Test,      NULL },
00117   { OVK_BOOL,   OV_INTERNAL,    FALSE, "use_do_while",       "use_do_while",
00118     TRUE, 0, 0,  &VHO_Use_Do_While,      NULL },
00119   { OVK_COUNT }         /* List terminator -- must be last */
00120 };