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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [common/] [config/] [pdp11/] [pdp11-common.c] - Blame information for rev 774

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Line No. Rev Author Line
1 708 jeremybenn
/* Common hooks for pdp11.
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   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2004, 2005,
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   2006, 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
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it 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,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public 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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/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
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static const struct default_options pdp11_option_optimization_table[] =
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  {
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    { OPT_LEVELS_3_PLUS, OPT_fomit_frame_pointer, 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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pdp11_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_m10:
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      opts->x_target_flags &= ~(MASK_40 | MASK_45);
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      return true;
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    default:
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      return true;
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    }
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}
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/* Implement TARGET_OPTION_INIT_STRUCT.  */
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static void
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pdp11_option_init_struct (struct gcc_options *opts)
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{
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  opts->x_flag_finite_math_only = 0;
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  opts->x_flag_trapping_math = 0;
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  opts->x_flag_signaling_nans = 0;
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}
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#undef TARGET_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS \
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  (MASK_FPU | MASK_45 | TARGET_UNIX_ASM_DEFAULT)
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION pdp11_handle_option
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE pdp11_option_optimization_table
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#undef TARGET_OPTION_INIT_STRUCT
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#define TARGET_OPTION_INIT_STRUCT pdp11_option_init_struct
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struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;

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