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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* Common hooks for Renesas RX.
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Copyright (C) 2008-2013 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 "diagnostic-core.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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/* Extra processing for target specific command line options. */
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static bool
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rx_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)
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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_mint_register_:
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/* Make sure that the -mint-register option is in range. Other
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handling in rx_option_override. */
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return value >= 0 && value <= 4;
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break;
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case OPT_mmax_constant_size_:
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/* Make sure that the -mmax-constant_size option is in range. */
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return value >= 0 && value <= 4;
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case OPT_mcpu_:
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if ((enum rx_cpu_types) value == RX200)
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opts->x_target_flags |= MASK_NO_USE_FPU;
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break;
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case OPT_fpu:
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if (opts->x_rx_cpu_type == RX200)
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error_at (loc, "the RX200 cpu does not have FPU hardware");
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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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/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
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static const struct default_options rx_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_NONE, 0, NULL, 0 }
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};
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION rx_handle_option
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE rx_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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