-/* Definitions of target machine for GNU compiler for IA-32.
+/* Definitions of target machine for GCC for IA-32.
Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Functions in i386.c */
-extern void override_options (void);
+extern void override_options (bool);
extern void optimization_options (int, int);
extern int ix86_can_use_return_insn_p (void);
extern void ix86_setup_frame_addresses (void);
extern void ix86_file_end (void);
+extern int ix86_can_eliminate (int, int);
extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
extern void ix86_expand_prologue (void);
extern void ix86_expand_epilogue (int);
extern void ix86_output_addr_diff_elt (FILE *, int, int);
#ifdef RTX_CODE
-extern int ix86_aligned_p (rtx);
-
extern int standard_80387_constant_p (rtx);
extern const char *standard_80387_constant_opcode (rtx);
extern rtx standard_80387_constant_rtx (int);
extern int standard_sse_constant_p (rtx);
+extern const char *standard_sse_constant_opcode (rtx, rtx);
extern int symbolic_reference_mentioned_p (rtx);
extern bool extended_reg_mentioned_p (rtx);
extern bool x86_extended_QIreg_mentioned_p (rtx);
extern bool x86_extended_reg_mentioned_p (rtx);
-
-extern int any_fp_register_operand (rtx, enum machine_mode);
-extern int register_and_not_any_fp_reg_operand (rtx, enum machine_mode);
-
-extern int fp_register_operand (rtx, enum machine_mode);
-extern int register_and_not_fp_reg_operand (rtx, enum machine_mode);
-
-extern int x86_64_general_operand (rtx, enum machine_mode);
-extern int x86_64_szext_general_operand (rtx, enum machine_mode);
-extern int x86_64_nonmemory_operand (rtx, enum machine_mode);
-extern int x86_64_szext_nonmemory_operand (rtx, enum machine_mode);
-extern int x86_64_immediate_operand (rtx, enum machine_mode);
-extern int x86_64_zext_immediate_operand (rtx, enum machine_mode);
-extern int const_int_1_operand (rtx, enum machine_mode);
-extern int symbolic_operand (rtx, enum machine_mode);
-extern int tls_symbolic_operand (rtx, enum machine_mode);
-extern int global_dynamic_symbolic_operand (rtx, enum machine_mode);
-extern int local_dynamic_symbolic_operand (rtx, enum machine_mode);
-extern int initial_exec_symbolic_operand (rtx, enum machine_mode);
-extern int local_exec_symbolic_operand (rtx, enum machine_mode);
-extern int pic_symbolic_operand (rtx, enum machine_mode);
-extern int call_insn_operand (rtx, enum machine_mode);
-extern int sibcall_insn_operand (rtx, enum machine_mode);
-extern int constant_call_address_operand (rtx, enum machine_mode);
-extern int const0_operand (rtx, enum machine_mode);
-extern int const1_operand (rtx, enum machine_mode);
-extern int const248_operand (rtx, enum machine_mode);
-extern int incdec_operand (rtx, enum machine_mode);
-extern int reg_no_sp_operand (rtx, enum machine_mode);
-extern int mmx_reg_operand (rtx, enum machine_mode);
-extern int general_no_elim_operand (rtx, enum machine_mode);
-extern int nonmemory_no_elim_operand (rtx, enum machine_mode);
-extern int q_regs_operand (rtx, enum machine_mode);
-extern int non_q_regs_operand (rtx, enum machine_mode);
-extern int sse_comparison_operator (rtx, enum machine_mode);
-extern int fcmov_comparison_operator (rtx, enum machine_mode);
-extern int cmp_fp_expander_operand (rtx, enum machine_mode);
-extern int ix86_comparison_operator (rtx, enum machine_mode);
-extern int ext_register_operand (rtx, enum machine_mode);
-extern int binary_fp_operator (rtx, enum machine_mode);
-extern int mult_operator (rtx, enum machine_mode);
-extern int div_operator (rtx, enum machine_mode);
-extern int arith_or_logical_operator (rtx, enum machine_mode);
-extern int promotable_binary_operator (rtx, enum machine_mode);
-extern int memory_displacement_operand (rtx, enum machine_mode);
-extern int cmpsi_operand (rtx, enum machine_mode);
-extern int long_memory_operand (rtx, enum machine_mode);
-extern int aligned_operand (rtx, enum machine_mode);
extern enum machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
-extern int ix86_expand_movstr (rtx, rtx, rtx, rtx);
-extern int ix86_expand_clrstr (rtx, rtx, rtx);
+extern int ix86_expand_movmem (rtx, rtx, rtx, rtx, rtx, rtx);
+extern int ix86_expand_setmem (rtx, rtx, rtx, rtx, rtx, rtx);
extern int ix86_expand_strlen (rtx, rtx, rtx, rtx);
extern bool legitimate_constant_p (rtx);
extern bool legitimate_pic_operand_p (rtx);
extern int legitimate_pic_address_disp_p (rtx);
extern int legitimate_address_p (enum machine_mode, rtx, int);
-extern rtx legitimize_pic_address (rtx, rtx);
extern rtx legitimize_address (rtx, rtx, enum machine_mode);
extern void print_reg (rtx, int, FILE*);
extern void split_di (rtx[], int, rtx[], rtx[]);
extern void split_ti (rtx[], int, rtx[], rtx[]);
-extern const char *output_set_got (rtx);
+extern const char *output_set_got (rtx, rtx);
extern const char *output_387_binary_op (rtx, rtx*);
-extern const char *output_fix_trunc (rtx, rtx*);
+extern const char *output_387_reg_move (rtx, rtx*);
+extern const char *output_fix_trunc (rtx, rtx*, int);
extern const char *output_fp_compare (rtx, rtx*, int, int);
-extern void i386_dwarf_output_addr_const (FILE*, rtx);
-extern void i386_output_dwarf_dtprel (FILE*, int, rtx);
-
extern void ix86_expand_clear (rtx);
extern void ix86_expand_move (enum machine_mode, rtx[]);
extern void ix86_expand_vector_move (enum machine_mode, rtx[]);
+extern void ix86_expand_vector_move_misalign (enum machine_mode, rtx[]);
+extern void ix86_expand_push (enum machine_mode, rtx);
+extern rtx ix86_fixup_binary_operands (enum rtx_code,
+ enum machine_mode, rtx[]);
+extern void ix86_fixup_binary_operands_no_copy (enum rtx_code,
+ enum machine_mode, rtx[]);
extern void ix86_expand_binary_operator (enum rtx_code,
enum machine_mode, rtx[]);
extern int ix86_binary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
extern void ix86_expand_unary_operator (enum rtx_code, enum machine_mode,
rtx[]);
+extern rtx ix86_build_const_vector (enum machine_mode, bool, rtx);
+extern void ix86_split_convert_uns_si_sse (rtx[]);
+extern void ix86_expand_convert_uns_didf_sse (rtx, rtx);
+extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx);
+extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx);
+extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx);
+extern void ix86_expand_convert_sign_didf_sse (rtx, rtx);
+extern rtx ix86_build_signbit_mask (enum machine_mode, bool, bool);
+extern void ix86_expand_fp_absneg_operator (enum rtx_code, enum machine_mode,
+ rtx[]);
+extern void ix86_expand_copysign (rtx []);
+extern void ix86_split_copysign_const (rtx []);
+extern void ix86_split_copysign_var (rtx []);
extern int ix86_unary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
extern int ix86_match_ccmode (rtx, enum machine_mode);
extern rtx ix86_expand_compare (enum rtx_code, rtx *, rtx *);
extern int ix86_expand_setcc (enum rtx_code, rtx);
extern int ix86_expand_int_movcc (rtx[]);
extern int ix86_expand_fp_movcc (rtx[]);
+extern bool ix86_expand_fp_vcond (rtx[]);
+extern bool ix86_expand_int_vcond (rtx[]);
+extern void ix86_expand_sse_unpack (rtx[], bool, bool);
+extern void ix86_expand_sse4_unpack (rtx[], bool, bool);
+extern void ix86_expand_sse5_unpack (rtx[], bool, bool);
+extern void ix86_expand_sse5_pack (rtx[]);
extern int ix86_expand_int_addcc (rtx[]);
extern void ix86_expand_call (rtx, rtx, rtx, rtx, rtx, int);
extern void x86_initialize_trampoline (rtx, rtx, rtx);
extern rtx ix86_zero_extend_to_Pmode (rtx);
extern void ix86_split_long_move (rtx[]);
-extern void ix86_split_ashldi (rtx *, rtx);
-extern void ix86_split_ashrdi (rtx *, rtx);
-extern void ix86_split_lshrdi (rtx *, rtx);
+extern void ix86_split_ashl (rtx *, rtx, enum machine_mode);
+extern void ix86_split_ashr (rtx *, rtx, enum machine_mode);
+extern void ix86_split_lshr (rtx *, rtx, enum machine_mode);
extern rtx ix86_find_base_term (rtx);
extern int ix86_check_movabs (rtx, int);
-extern rtx assign_386_stack_local (enum machine_mode, int);
+extern rtx assign_386_stack_local (enum machine_mode, enum ix86_stack_slot);
extern int ix86_attr_length_immediate_default (rtx, int);
extern int ix86_attr_length_address_default (rtx);
extern enum machine_mode ix86_fp_compare_mode (enum rtx_code);
-extern int x86_64_sign_extended_value (rtx);
-extern int x86_64_zero_extended_value (rtx);
extern rtx ix86_libcall_value (enum machine_mode);
extern bool ix86_function_value_regno_p (int);
extern bool ix86_function_arg_regno_p (int);
extern int ix86_function_arg_boundary (enum machine_mode, tree);
-extern int ix86_return_in_memory (tree);
-extern void ix86_va_start (tree, rtx);
-extern rtx ix86_va_arg (tree, tree);
-extern void ix86_setup_incoming_varargs (CUMULATIVE_ARGS *,
- enum machine_mode, tree, int *, int);
-
+extern bool ix86_sol10_return_in_memory (const_tree,const_tree);
extern rtx ix86_force_to_memory (enum machine_mode, rtx);
extern void ix86_free_from_memory (enum machine_mode);
-extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx, rtx, rtx, rtx);
-extern int ix86_hard_regno_mode_ok (int, enum machine_mode);
+extern int ix86_cfun_abi (void);
+extern int ix86_function_abi (const_tree);
+extern int ix86_function_type_abi (const_tree);
+extern void ix86_call_abi_override (const_tree);
+extern tree ix86_fn_abi_va_list (tree);
+extern tree ix86_canonical_va_list_type (tree);
+extern int ix86_enum_va_list (int, const char **, tree *);
+extern int ix86_reg_parm_stack_space (const_tree);
+
+extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx,
+ rtx, rtx, rtx, rtx);
+extern bool ix86_hard_regno_mode_ok (int, enum machine_mode);
+extern bool ix86_modes_tieable_p (enum machine_mode, enum machine_mode);
extern int ix86_register_move_cost (enum machine_mode, enum reg_class,
enum reg_class);
extern int ix86_secondary_memory_needed (enum reg_class, enum reg_class,
enum machine_mode, int);
+extern bool ix86_cannot_change_mode_class (enum machine_mode,
+ enum machine_mode, enum reg_class);
extern enum reg_class ix86_preferred_reload_class (rtx, enum reg_class);
+extern enum reg_class ix86_preferred_output_reload_class (rtx, enum reg_class);
extern int ix86_memory_move_cost (enum machine_mode, enum reg_class, int);
-extern void ix86_set_move_mem_attrs (rtx, rtx, rtx, rtx, rtx);
-extern void emit_i387_cw_initialization (rtx, rtx);
+extern int ix86_mode_needed (int, rtx);
+extern void emit_i387_cw_initialization (int);
extern bool ix86_fp_jump_nontrivial_p (enum rtx_code);
extern void x86_order_regs_for_local_alloc (void);
extern void x86_function_profiler (FILE *, int);
extern void x86_emit_floatuns (rtx [2]);
+extern void ix86_emit_fp_unordered_jump (rtx);
+extern void ix86_emit_i387_log1p (rtx, rtx);
+extern void ix86_emit_swdivsf (rtx, rtx, rtx, enum machine_mode);
+extern void ix86_emit_swsqrtsf (rtx, rtx, enum machine_mode, bool);
+
+extern enum rtx_code ix86_reverse_condition (enum rtx_code, enum machine_mode);
+
+extern void ix86_expand_lround (rtx, rtx);
+extern void ix86_expand_lfloorceil (rtx, rtx, bool);
+extern void ix86_expand_rint (rtx, rtx);
+extern void ix86_expand_floorceil (rtx, rtx, bool);
+extern void ix86_expand_floorceildf_32 (rtx, rtx, bool);
+extern void ix86_expand_round (rtx, rtx);
+extern void ix86_expand_rounddf_32 (rtx, rtx);
+extern void ix86_expand_trunc (rtx, rtx);
+extern void ix86_expand_truncdf_32 (rtx, rtx);
#ifdef TREE_CODE
extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
-extern int function_arg_pass_by_reference (CUMULATIVE_ARGS *,
- enum machine_mode, tree, int);
extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
tree, int);
-extern rtx ix86_function_value (tree);
-extern void ix86_init_builtins (void);
-extern rtx ix86_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
#endif
#endif
#ifdef TREE_CODE
extern int ix86_return_pops_args (tree, tree, int);
-extern tree ix86_build_va_list (void);
extern int ix86_data_alignment (tree, int);
-extern int ix86_local_alignment (tree, int);
+extern unsigned int ix86_local_alignment (tree, enum machine_mode,
+ unsigned int);
extern int ix86_constant_alignment (tree, int);
-extern tree ix86_handle_dll_attribute (tree *, tree, tree, int, bool *);
extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
-
-extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
-extern void i386_pe_asm_named_section (const char *, unsigned int);
+extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *);
extern int x86_field_alignment (tree, int);
+extern tree ix86_valid_option_attribute_tree (tree);
#endif
extern rtx ix86_tls_get_addr (void);
-extern bool ix86_must_pass_in_stack (enum machine_mode mode, tree);
+extern rtx ix86_tls_module_base (void);
+
+extern void ix86_expand_vector_init (bool, rtx, rtx);
+extern void ix86_expand_vector_set (bool, rtx, rtx, int);
+extern void ix86_expand_vector_extract (bool, rtx, rtx, int);
+extern void ix86_expand_reduc_v4sf (rtx (*)(rtx, rtx, rtx), rtx, rtx);
+
+extern bool ix86_sse5_valid_op_p (rtx [], rtx, int, bool, int, bool);
+extern void ix86_expand_sse5_multiple_memory (rtx [], int, enum machine_mode);
+
+/* In i386-c.c */
+extern void ix86_target_macros (void);
+extern void ix86_register_pragmas (void);
/* In winnt.c */
-extern int i386_pe_dllexport_name_p (const char *);
-extern int i386_pe_dllimport_name_p (const char *);
extern void i386_pe_unique_section (tree, int);
extern void i386_pe_declare_function_type (FILE *, const char *, int);
-extern void i386_pe_record_external_function (const char *);
-extern void i386_pe_record_exported_symbol (const char *, int);
-extern void i386_pe_asm_file_end (FILE *);
+extern void i386_pe_record_external_function (tree, const char *);
+extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int);
extern void i386_pe_encode_section_info (tree, rtx, int);
-extern const char *i386_pe_strip_name_encoding (const char *);
+extern bool i386_pe_binds_local_p (const_tree);
extern const char *i386_pe_strip_name_encoding_full (const char *);
-extern void i386_pe_output_labelref (FILE *, const char *);
+extern bool i386_pe_valid_dllimport_attribute_p (const_tree);
+extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
+extern void i386_pe_asm_named_section (const char *, unsigned int, tree);
+extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
+ const char *,
+ HOST_WIDE_INT,
+ HOST_WIDE_INT);
+extern void i386_pe_file_end (void);
+extern tree i386_pe_mangle_decl_assembler_name (tree, tree);
+
+/* In winnt-cxx.c and winnt-stubs.c */
+extern void i386_pe_adjust_class_at_definition (tree);
+extern bool i386_pe_type_dllimport_p (tree);
+extern bool i386_pe_type_dllexport_p (tree);
+
+extern rtx maybe_get_pool_constant (rtx);
+
+extern char internal_label_prefix[16];
+extern int internal_label_prefix_len;
+
+enum ix86_address_seg { SEG_DEFAULT, SEG_FS, SEG_GS };
+struct ix86_address
+{
+ rtx base, index, disp;
+ HOST_WIDE_INT scale;
+ enum ix86_address_seg seg;
+};
+
+extern int ix86_decompose_address (rtx, struct ix86_address *);
+extern int memory_address_length (rtx addr);
+extern void x86_output_aligned_bss (FILE *, tree, const char *,
+ unsigned HOST_WIDE_INT, int);
+extern void x86_elf_aligned_common (FILE *, const char *,
+ unsigned HOST_WIDE_INT, int);
+
+#ifdef RTX_CODE
+extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *,
+ enum rtx_code *, enum rtx_code *);
+extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code);
+extern rtx construct_plt_address (rtx);
+#endif
+extern int asm_preferred_eh_data_format (int, int);