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jeremybenn |
/* Common hooks for Renesas M32R.
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2007, 2008, 2009, 2010, 2011 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
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by the Free Software Foundation; either version 3, or (at your
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option) 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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#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 m32r_option_optimization_table[] =
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{
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{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
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{ OPT_LEVELS_1_PLUS, OPT_fregmove, NULL, 1 },
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{ OPT_LEVELS_NONE, 0, NULL, 0 }
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};
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/* Implement TARGET_HANDLE_OPTION. */
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static bool
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m32r_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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int value = decoded->value;
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switch (code)
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{
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case OPT_m32r:
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opts->x_target_flags &= ~(MASK_M32R2 | MASK_M32RX);
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return true;
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case OPT_mno_flush_func:
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opts->x_m32r_cache_flush_func = NULL;
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return true;
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case OPT_mflush_trap_:
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return value <= 15;
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default:
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return true;
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}
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}
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#undef TARGET_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS TARGET_CPU_DEFAULT
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION m32r_handle_option
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE m32r_option_optimization_table
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#undef TARGET_EXCEPT_UNWIND_INFO
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#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
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struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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