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709 |
jeremybenn |
/* Definitions of target machine for GCC for IA-32.
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Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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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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/* In i386-common.c. */
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extern bool ix86_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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/* Functions in i386.c */
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extern bool ix86_target_stack_probe (void);
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extern bool ix86_can_use_return_insn_p (void);
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extern void ix86_setup_frame_addresses (void);
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extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
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extern void ix86_expand_prologue (void);
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extern void ix86_maybe_emit_epilogue_vzeroupper (void);
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extern void ix86_expand_epilogue (int);
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extern void ix86_expand_split_stack_prologue (void);
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extern void ix86_output_addr_vec_elt (FILE *, int);
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extern void ix86_output_addr_diff_elt (FILE *, int, int);
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extern enum calling_abi ix86_cfun_abi (void);
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extern enum calling_abi ix86_function_type_abi (const_tree);
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#ifdef RTX_CODE
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extern int standard_80387_constant_p (rtx);
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extern const char *standard_80387_constant_opcode (rtx);
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extern rtx standard_80387_constant_rtx (int);
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extern int standard_sse_constant_p (rtx);
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extern const char *standard_sse_constant_opcode (rtx, rtx);
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extern bool symbolic_reference_mentioned_p (rtx);
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extern bool extended_reg_mentioned_p (rtx);
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extern bool x86_extended_QIreg_mentioned_p (rtx);
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extern bool x86_extended_reg_mentioned_p (rtx);
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extern bool x86_maybe_negate_const_int (rtx *, enum machine_mode);
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extern enum machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
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extern int avx_vpermilp_parallel (rtx par, enum machine_mode mode);
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extern int avx_vperm2f128_parallel (rtx par, enum machine_mode mode);
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extern bool ix86_expand_movmem (rtx, rtx, rtx, rtx, rtx, rtx);
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extern bool ix86_expand_setmem (rtx, rtx, rtx, rtx, rtx, rtx);
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extern bool ix86_expand_strlen (rtx, rtx, rtx, rtx);
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extern bool constant_address_p (rtx);
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extern bool legitimate_pic_operand_p (rtx);
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extern bool legitimate_pic_address_disp_p (rtx);
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extern void print_reg (rtx, int, FILE*);
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extern void ix86_print_operand (FILE *, rtx, int);
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extern void split_double_mode (enum machine_mode, rtx[], int, rtx[], rtx[]);
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extern const char *output_set_got (rtx, rtx);
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extern const char *output_387_binary_op (rtx, rtx*);
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extern const char *output_387_reg_move (rtx, rtx*);
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extern const char *output_fix_trunc (rtx, rtx*, bool);
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extern const char *output_fp_compare (rtx, rtx*, bool, bool);
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extern const char *output_adjust_stack_and_probe (rtx);
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extern const char *output_probe_stack_range (rtx, rtx);
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extern void ix86_expand_clear (rtx);
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extern void ix86_expand_move (enum machine_mode, rtx[]);
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extern void ix86_expand_vector_move (enum machine_mode, rtx[]);
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extern void ix86_expand_vector_move_misalign (enum machine_mode, rtx[]);
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extern void ix86_expand_push (enum machine_mode, rtx);
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extern rtx ix86_fixup_binary_operands (enum rtx_code,
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enum machine_mode, rtx[]);
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extern void ix86_fixup_binary_operands_no_copy (enum rtx_code,
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enum machine_mode, rtx[]);
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extern void ix86_expand_binary_operator (enum rtx_code,
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enum machine_mode, rtx[]);
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extern bool ix86_binary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
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extern bool ix86_lea_outperforms (rtx, unsigned int, unsigned int,
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unsigned int, unsigned int);
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extern bool ix86_avoid_lea_for_add (rtx, rtx[]);
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extern bool ix86_use_lea_for_mov (rtx, rtx[]);
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extern bool ix86_avoid_lea_for_addr (rtx, rtx[]);
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extern void ix86_split_lea_for_addr (rtx[], enum machine_mode);
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extern bool ix86_lea_for_add_ok (rtx, rtx[]);
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extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high);
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extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn);
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extern bool ix86_agi_dependent (rtx set_insn, rtx use_insn);
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extern void ix86_expand_unary_operator (enum rtx_code, enum machine_mode,
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rtx[]);
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extern rtx ix86_build_const_vector (enum machine_mode, bool, rtx);
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extern rtx ix86_build_signbit_mask (enum machine_mode, bool, bool);
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extern void ix86_split_convert_uns_si_sse (rtx[]);
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extern void ix86_expand_convert_uns_didf_sse (rtx, rtx);
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extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx);
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extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx);
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extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx);
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extern void ix86_expand_convert_sign_didf_sse (rtx, rtx);
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extern void ix86_expand_vector_convert_uns_vsivsf (rtx, rtx);
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extern rtx ix86_expand_adjust_ufix_to_sfix_si (rtx, rtx *);
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extern enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code);
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extern void ix86_expand_fp_absneg_operator (enum rtx_code, enum machine_mode,
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rtx[]);
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extern void ix86_expand_copysign (rtx []);
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extern void ix86_split_copysign_const (rtx []);
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extern void ix86_split_copysign_var (rtx []);
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extern bool ix86_unary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
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extern bool ix86_match_ccmode (rtx, enum machine_mode);
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extern void ix86_expand_branch (enum rtx_code, rtx, rtx, rtx);
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extern void ix86_expand_setcc (rtx, enum rtx_code, rtx, rtx);
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extern bool ix86_expand_int_movcc (rtx[]);
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extern bool ix86_expand_fp_movcc (rtx[]);
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extern bool ix86_expand_fp_vcond (rtx[]);
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extern bool ix86_expand_int_vcond (rtx[]);
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extern void ix86_expand_vec_perm (rtx[]);
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extern bool ix86_expand_vec_perm_const (rtx[]);
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extern void ix86_expand_sse_unpack (rtx[], bool, bool);
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extern bool ix86_expand_int_addcc (rtx[]);
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extern rtx ix86_expand_call (rtx, rtx, rtx, rtx, rtx, bool);
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extern void ix86_split_call_vzeroupper (rtx, rtx);
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extern void x86_initialize_trampoline (rtx, rtx, rtx);
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extern rtx ix86_zero_extend_to_Pmode (rtx);
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extern void ix86_split_long_move (rtx[]);
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extern void ix86_split_ashl (rtx *, rtx, enum machine_mode);
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extern void ix86_split_ashr (rtx *, rtx, enum machine_mode);
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extern void ix86_split_lshr (rtx *, rtx, enum machine_mode);
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extern rtx ix86_find_base_term (rtx);
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extern bool ix86_check_movabs (rtx, int);
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extern void ix86_split_idivmod (enum machine_mode, rtx[], bool);
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extern rtx assign_386_stack_local (enum machine_mode, enum ix86_stack_slot);
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extern int ix86_attr_length_immediate_default (rtx, bool);
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extern int ix86_attr_length_address_default (rtx);
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extern int ix86_attr_length_vex_default (rtx, bool, bool);
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extern enum machine_mode ix86_fp_compare_mode (enum rtx_code);
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extern rtx ix86_libcall_value (enum machine_mode);
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extern bool ix86_function_arg_regno_p (int);
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extern void ix86_asm_output_function_label (FILE *, const char *, tree);
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extern rtx ix86_force_to_memory (enum machine_mode, rtx);
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extern void ix86_free_from_memory (enum machine_mode);
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extern void ix86_call_abi_override (const_tree);
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extern int ix86_reg_parm_stack_space (const_tree);
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extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx,
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rtx, rtx, rtx, rtx);
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extern bool ix86_hard_regno_mode_ok (int, enum machine_mode);
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extern bool ix86_modes_tieable_p (enum machine_mode, enum machine_mode);
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extern bool ix86_secondary_memory_needed (enum reg_class, enum reg_class,
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enum machine_mode, int);
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extern bool ix86_cannot_change_mode_class (enum machine_mode,
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enum machine_mode, enum reg_class);
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extern int ix86_mode_needed (int, rtx);
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extern void emit_i387_cw_initialization (int);
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extern void x86_order_regs_for_local_alloc (void);
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extern void x86_function_profiler (FILE *, int);
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extern void x86_emit_floatuns (rtx [2]);
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extern void ix86_emit_fp_unordered_jump (rtx);
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extern void ix86_emit_i387_log1p (rtx, rtx);
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extern void ix86_emit_i387_round (rtx, rtx);
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extern void ix86_emit_swdivsf (rtx, rtx, rtx, enum machine_mode);
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extern void ix86_emit_swsqrtsf (rtx, rtx, enum machine_mode, bool);
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extern enum rtx_code ix86_reverse_condition (enum rtx_code, enum machine_mode);
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extern void ix86_expand_lround (rtx, rtx);
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extern void ix86_expand_lfloorceil (rtx, rtx, bool);
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extern void ix86_expand_rint (rtx, rtx);
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extern void ix86_expand_floorceil (rtx, rtx, bool);
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extern void ix86_expand_floorceildf_32 (rtx, rtx, bool);
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extern void ix86_expand_round_sse4 (rtx, rtx);
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extern void ix86_expand_round (rtx, rtx);
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extern void ix86_expand_rounddf_32 (rtx, rtx);
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extern void ix86_expand_trunc (rtx, rtx);
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extern void ix86_expand_truncdf_32 (rtx, rtx);
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#ifdef TREE_CODE
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extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
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#endif /* TREE_CODE */
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#endif /* RTX_CODE */
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#ifdef TREE_CODE
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extern int ix86_data_alignment (tree, int);
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extern unsigned int ix86_local_alignment (tree, enum machine_mode,
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unsigned int);
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extern unsigned int ix86_minimum_alignment (tree, enum machine_mode,
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unsigned int);
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extern int ix86_constant_alignment (tree, int);
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extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
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extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *);
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extern int x86_field_alignment (tree, int);
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extern tree ix86_valid_target_attribute_tree (tree);
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extern unsigned int ix86_get_callcvt (const_tree);
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#endif
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extern rtx ix86_tls_module_base (void);
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extern void ix86_expand_vector_init (bool, rtx, rtx);
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extern void ix86_expand_vector_set (bool, rtx, rtx, int);
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extern void ix86_expand_vector_extract (bool, rtx, rtx, int);
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extern void ix86_expand_reduc (rtx (*)(rtx, rtx, rtx), rtx, rtx);
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| 222 |
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extern void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned);
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extern bool ix86_expand_pinsr (rtx *);
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| 224 |
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| 225 |
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/* In i386-c.c */
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extern void ix86_target_macros (void);
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extern void ix86_register_pragmas (void);
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| 228 |
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| 229 |
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/* In winnt.c */
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| 230 |
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extern void i386_pe_unique_section (tree, int);
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| 231 |
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extern void i386_pe_declare_function_type (FILE *, const char *, int);
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| 232 |
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extern void i386_pe_record_external_function (tree, const char *);
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| 233 |
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extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int);
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| 234 |
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extern void i386_pe_encode_section_info (tree, rtx, int);
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| 235 |
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extern bool i386_pe_binds_local_p (const_tree);
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| 236 |
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extern const char *i386_pe_strip_name_encoding_full (const char *);
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| 237 |
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extern bool i386_pe_valid_dllimport_attribute_p (const_tree);
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| 238 |
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extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
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| 239 |
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extern void i386_pe_asm_named_section (const char *, unsigned int, tree);
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| 240 |
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extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
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| 241 |
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const char *,
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| 242 |
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HOST_WIDE_INT,
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| 243 |
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HOST_WIDE_INT);
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| 244 |
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extern void i386_pe_file_end (void);
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| 245 |
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extern void i386_pe_start_function (FILE *, const char *, tree);
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| 246 |
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extern void i386_pe_end_function (FILE *, const char *, tree);
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| 247 |
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extern void i386_pe_assemble_visibility (tree, int);
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| 248 |
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extern tree i386_pe_mangle_decl_assembler_name (tree, tree);
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| 249 |
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extern tree i386_pe_mangle_assembler_name (const char *);
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| 250 |
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| 251 |
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extern void i386_pe_seh_init (FILE *);
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| 252 |
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extern void i386_pe_seh_end_prologue (FILE *);
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| 253 |
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extern void i386_pe_seh_unwind_emit (FILE *, rtx);
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| 254 |
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| 255 |
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/* In winnt-cxx.c and winnt-stubs.c */
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| 256 |
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extern void i386_pe_adjust_class_at_definition (tree);
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| 257 |
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extern bool i386_pe_type_dllimport_p (tree);
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| 258 |
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extern bool i386_pe_type_dllexport_p (tree);
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| 259 |
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| 260 |
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extern rtx maybe_get_pool_constant (rtx);
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| 261 |
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| 262 |
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extern char internal_label_prefix[16];
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| 263 |
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extern int internal_label_prefix_len;
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| 264 |
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| 265 |
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enum ix86_address_seg { SEG_DEFAULT, SEG_FS, SEG_GS };
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| 266 |
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struct ix86_address
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| 267 |
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{
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| 268 |
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rtx base, index, disp;
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| 269 |
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HOST_WIDE_INT scale;
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| 270 |
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enum ix86_address_seg seg;
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| 271 |
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};
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| 272 |
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| 273 |
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extern int ix86_decompose_address (rtx, struct ix86_address *);
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| 274 |
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extern int memory_address_length (rtx addr);
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| 275 |
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extern void x86_output_aligned_bss (FILE *, tree, const char *,
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| 276 |
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unsigned HOST_WIDE_INT, int);
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| 277 |
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extern void x86_elf_aligned_common (FILE *, const char *,
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| 278 |
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unsigned HOST_WIDE_INT, int);
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| 279 |
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|
| 280 |
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#ifdef RTX_CODE
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| 281 |
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extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *,
|
| 282 |
|
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enum rtx_code *, enum rtx_code *);
|
| 283 |
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extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code);
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| 284 |
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extern rtx construct_plt_address (rtx);
|
| 285 |
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#endif
|
| 286 |
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extern int asm_preferred_eh_data_format (int, int);
|
| 287 |
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|
|
| 288 |
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#ifdef HAVE_ATTR_cpu
|
| 289 |
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extern enum attr_cpu ix86_schedule;
|
| 290 |
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#endif
|
| 291 |
|
|
|
| 292 |
|
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extern const char * ix86_output_call_insn (rtx insn, rtx call_op);
|
| 293 |
|
|
|
| 294 |
|
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#ifdef RTX_CODE
|
| 295 |
|
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/* Target data for multipass lookahead scheduling.
|
| 296 |
|
|
Currently used for Core 2/i7 tuning. */
|
| 297 |
|
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struct ix86_first_cycle_multipass_data_
|
| 298 |
|
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{
|
| 299 |
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/* The length (in bytes) of ifetch block in this solution. */
|
| 300 |
|
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int ifetch_block_len;
|
| 301 |
|
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/* Number of instructions in ifetch block in this solution. */
|
| 302 |
|
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int ifetch_block_n_insns;
|
| 303 |
|
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/* Bitmap to remember changes to ready_try for backtracking. */
|
| 304 |
|
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sbitmap ready_try_change;
|
| 305 |
|
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/* Size of the bitmap. */
|
| 306 |
|
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int ready_try_change_size;
|
| 307 |
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};
|
| 308 |
|
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# define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T \
|
| 309 |
|
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struct ix86_first_cycle_multipass_data_
|
| 310 |
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#endif /* RTX_CODE */
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