96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* Common hooks for pdp11.
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Copyright (C) 1994-2021 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_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 | MASK_FPU | MASK_AC0 | MASK_SPLIT);
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return true;
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case OPT_m40:
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opts->x_target_flags &= ~(MASK_45 | MASK_FPU | MASK_AC0 | MASK_SPLIT);
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return true;
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case OPT_mfpu:
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opts->x_target_flags &= ~MASK_40;
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opts->x_target_flags |= MASK_45;
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return true;
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case OPT_msoft_float:
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opts->x_target_flags &= ~MASK_AC0;
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return true;
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case OPT_msplit:
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opts->x_target_flags &= ~MASK_40;
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opts->x_target_flags |= MASK_45;
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return true;
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case OPT_munix_asm:
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case OPT_mgnu_asm:
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targetm_common.have_named_sections = false;
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return true;
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case OPT_mdec_asm:
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targetm_common.have_named_sections = true;
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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_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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