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105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* Common hooks for CRIS.
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Copyright (C) 1998-2013 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 "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 cris_option_optimization_table[] =
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{
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{ OPT_LEVELS_2_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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/* TARGET_HANDLE_OPTION worker. We just store the values into local
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variables here. Checks for correct semantics are in
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cris_option_override. */
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static bool
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cris_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_metrax100:
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opts->x_target_flags
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|= (MASK_SVINTO
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+ MASK_ETRAX4_ADD
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+ MASK_ALIGN_BY_32);
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break;
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case OPT_mno_etrax100:
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opts->x_target_flags
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&= ~(MASK_SVINTO
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+ MASK_ETRAX4_ADD
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+ MASK_ALIGN_BY_32);
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break;
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case OPT_m32_bit:
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case OPT_m32bit:
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opts->x_target_flags
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|= (MASK_STACK_ALIGN
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+ MASK_CONST_ALIGN
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+ MASK_DATA_ALIGN
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+ MASK_ALIGN_BY_32);
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break;
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case OPT_m16_bit:
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case OPT_m16bit:
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opts->x_target_flags
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|= (MASK_STACK_ALIGN
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+ MASK_CONST_ALIGN
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+ MASK_DATA_ALIGN);
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break;
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case OPT_m8_bit:
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case OPT_m8bit:
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opts->x_target_flags
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&= ~(MASK_STACK_ALIGN
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+ MASK_CONST_ALIGN
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+ MASK_DATA_ALIGN);
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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_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT)
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION cris_handle_option
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE cris_option_optimization_table
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struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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