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jeremybenn |
/* Common hooks for Toshiba Media Processor.
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Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
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2011
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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 under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "common/common-target.h"
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#include "common/common-target-def.h"
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#include "opts.h"
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#include "flags.h"
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static const struct default_options mep_option_optimization_table[] =
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{
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/* The first scheduling pass often increases register pressure and
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tends to result in more spill code. Only run it when
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specifically asked. */
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{ OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 },
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/* Using $fp doesn't gain us much, even when debugging is
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important. */
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{ OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 1 },
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{ OPT_LEVELS_NONE, 0, NULL, 0 }
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};
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static bool
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mep_handle_option (struct gcc_options *opts,
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struct gcc_options *opts_set ATTRIBUTE_UNUSED,
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const struct cl_decoded_option *decoded,
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location_t loc ATTRIBUTE_UNUSED)
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{
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size_t code = decoded->opt_index;
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switch (code)
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{
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case OPT_mall_opts:
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opts->x_target_flags |= MEP_ALL_OPTS;
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break;
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case OPT_mno_opts:
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opts->x_target_flags &= ~ MEP_ALL_OPTS;
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break;
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case OPT_mcop64:
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opts->x_target_flags |= MASK_COP;
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opts->x_target_flags |= MASK_64BIT_CR_REGS;
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break;
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case OPT_mivc2:
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opts->x_target_flags |= MASK_COP;
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opts->x_target_flags |= MASK_64BIT_CR_REGS;
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opts->x_target_flags |= MASK_VLIW;
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opts->x_target_flags |= MASK_OPT_VL64;
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opts->x_target_flags |= MASK_IVC2;
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/* Remaining handling of this option deferred. */
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break;
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default:
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break;
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}
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return TRUE;
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}
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION mep_handle_option
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE mep_option_optimization_table
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#undef TARGET_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
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struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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