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1.8.1.1
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GCC Middle and Back End API Reference
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Typedefs | |
| typedef HOST_WIDE_INT | __gcc_host_wide_int__ |
Functions | |
| int | clz_hwi (unsigned HOST_WIDE_INT x) |
| int | ctz_hwi (unsigned HOST_WIDE_INT x) |
| int | ffs_hwi (unsigned HOST_WIDE_INT x) |
| int | popcount_hwi (unsigned HOST_WIDE_INT x) |
| int | exact_log2 (unsigned HOST_WIDE_INT) |
| int | floor_log2 (unsigned HOST_WIDE_INT) |
| int | ceil_log2 (unsigned HOST_WIDE_INT) |
| HOST_WIDE_INT | abs_hwi (HOST_WIDE_INT) |
| unsigned HOST_WIDE_INT | absu_hwi (HOST_WIDE_INT) |
| HOST_WIDE_INT | gcd (HOST_WIDE_INT, HOST_WIDE_INT) |
| HOST_WIDE_INT | pos_mul_hwi (HOST_WIDE_INT, HOST_WIDE_INT) |
| HOST_WIDE_INT | mul_hwi (HOST_WIDE_INT, HOST_WIDE_INT) |
| HOST_WIDE_INT | least_common_multiple (HOST_WIDE_INT, HOST_WIDE_INT) |
| static HOST_WIDE_INT | sext_hwi () |
| static unsigned HOST_WIDE_INT | zext_hwi () |
| #define HOST_BITS_PER_CHAR CHAR_BIT |
HOST_WIDE_INT definitions for the GNU compiler. Copyright (C) 1998-2013 Free Software Foundation, Inc. This file is part of GCC. Provide definitions for macros which depend on HOST_BITS_PER_INT and HOST_BITS_PER_LONG.
This describes the machine the compiler is hosted on.
| #define HOST_BITS_PER_HALF_WIDE_INT (HOST_BITS_PER_WIDE_INT / 2) |
Print support for half a host wide int.
| #define HOST_BITS_PER_INT (CHAR_BIT * SIZEOF_INT) |
| #define HOST_BITS_PER_LONG (CHAR_BIT * SIZEOF_LONG) |
| #define HOST_BITS_PER_SHORT (CHAR_BIT * SIZEOF_SHORT) |
| #define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG |
If HAVE_LONG_LONG and SIZEOF_LONG_LONG aren't defined, but GCC_VERSION >= 3000, assume this is the second or later stage of a bootstrap, we do have long long, and it's 64 bits. (This is required by C99; we do have some ports that violate that assumption but they're all cross-compile-only.) Just in case, force a constraint violation if that assumption is incorrect.
Set HOST_WIDE_INT. This should be the widest efficient host integer type. It can be 32 or 64 bits, except that if we are targeting a machine with 64-bit size_t then it has to be 64 bits. With a sane ABI, 'long' is the largest efficient host integer type. Thus, we use that unless we have to use 'long long' or '__int64' because we're targeting a 64-bit machine from a 32-bit host.
Referenced by add_bit_offset_attribute(), bp_unpack_var_len_int(), build_vector_type_for_mode(), ctz_hwi(), find_afterward(), find_shift_sequence(), fold_builtin_cbrt(), double_int::from_buffer(), gcov_time(), int_const_binop_1(), lshift_double(), make_extraction(), double_int::max_value(), double_int::min_value(), double_int::multiple_of(), output_constant(), real_can_shorten_arithmetic(), rtx_to_double_int(), simplify_const_unary_operation(), simplify_relational_operation_1(), simplify_set(), stabstr_O(), streamer_read_hwi(), double_int::udiv(), and double_int::umod().
| #define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER_LONG |
| #define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_WIDE_INT |
| #define HOST_HALF_WIDE_INT long |
| #define HOST_HALF_WIDE_INT_PRINT HOST_LONG_FORMAT |
| #define HOST_HALF_WIDE_INT_PRINT_C "L" |
| #define HOST_HALF_WIDE_INT_PRINT_DEC "%" HOST_HALF_WIDE_INT_PRINT "d" |
| #define HOST_HALF_WIDE_INT_PRINT_DEC_C HOST_HALF_WIDE_INT_PRINT_DEC HOST_HALF_WIDE_INT_PRINT_C |
| #define HOST_HALF_WIDE_INT_PRINT_HEX "%#" HOST_HALF_WIDE_INT_PRINT "x" |
| #define HOST_HALF_WIDE_INT_PRINT_HEX_PURE "%" HOST_HALF_WIDE_INT_PRINT "x" |
| #define HOST_HALF_WIDE_INT_PRINT_UNSIGNED "%" HOST_HALF_WIDE_INT_PRINT "u" |
| #define HOST_LONG_FORMAT "l" |
The string that should be inserted into a printf style format to indicate a "long" operand.
| #define HOST_LONG_LONG_FORMAT "ll" |
The string that should be inserted into a printf style format to indicate a "long long" operand.
| #define HOST_WIDE_INT long |
Referenced by abs_hwi(), add_scope_conflicts(), add_subscript_strides(), anti_adjust_stack_and_probe(), asan_clear_shadow(), attr_hash_add_string(), bit_value_unop_1(), bp_pack_int_in_range(), bp_unpack_var_len_int(), called_as_built_in(), can_reassociate_p(), cfi_label_required_p(), change_cfi_row(), check_argument_store(), check_code_iterator(), compute_antic(), constant_pointer_difference(), convert_modes(), create_trace_edges(), default_asm_output_anchor(), delegitimize_mem_from_attrs(), determine_common_wider_type(), determine_use_iv_cost_address(), do_sd_constraint(), dse_step3(), dw2_asm_output_data_sleb128_raw(), dw2_asm_output_data_uleb128_raw(), dwarf2out_frame_debug_cfa_window_save(), dwarf2out_imported_module_or_decl_1(), oecount_hasher::equal(), expand_builtin_dwarf_sp_column(), expand_float(), expand_mult_highpart_adjust(), expand_stack_vars(), expand_switch_using_bit_tests_p(), find_afterward(), find_call_stack_args(), find_shift_sequence(), fold_builtin_cbrt(), double_int::from_buffer(), gcov_time(), generate_subtree_copies(), get_addr_base_and_unit_offset_1(), get_ancestor_addr_info(), get_loop_location(), get_or_alloc_constant_value_id(), get_or_create_ssa_default_def(), get_pointer_alignment(), get_ssa_def_if_simple_copy(), gimplify_init_ctor_eval(), initialize_iterators(), initialize_matrix_A(), inline_forbidden_p_stmt(), input_phi(), insert_regs(), instrument_builtin_call(), int_cst_hash_eq(), ipa_get_param_count(), ipa_load_from_parm_agg(), ipa_prop_write_all_agg_replacement(), ipa_set_ancestor_jf(), is_miss_rate_acceptable(), lambda_matrix_row_exchange(), lambda_vector_equal(), lookup_vi_for_tree(), lto_init_eh(), make_extraction(), make_fancy_name(), mark_nonreg_stores_2(), double_int::min_value(), move2add_use_add3_insn(), neg_const_int(), new_scalar_tmp_constraint_exp(), noce_emit_store_flag(), double_int::operator&=(), option_flag_var(), parm_ref_data_preserved_p(), powi_lookup_cost(), print_value(), push_block(), real_can_shorten_arithmetic(), recalculate_side_effects(), reconstruct_complex_type(), reg_saved_in(), release_mem_refs(), remap_edge_change_prob(), remove_invalid_refs(), remove_reg_equal_offset_note(), restore_operands(), reversed_condition(), same_type_for_tbaa(), set_mem_align(), shared_hash_find(), simplify_const_binary_operation(), simplify_const_unary_operation(), simplify_relational_operation_1(), stabstr_O(), stmt_overflow_infinity(), store_bit_field(), streamer_read_hwi(), streamer_read_hwi_in_range(), streamer_write_hwi_in_range(), strinfo_shared(), swap_commutative_operands_with_target(), type_like_member_ptr_p(), double_int::udiv(), double_int::umod(), undo_commit(), union_stack_vars(), unloop_loops(), vect_compute_data_ref_alignment(), vect_do_peeling_for_loop_bound(), vect_find_same_alignment_drs(), vect_permute_store_chain(), vn_reference_compute_hash(), and vn_reference_lookup_1().
| #define HOST_WIDE_INT_1 HOST_WIDE_INT_C (1) |
| #define HOST_WIDE_INT_1U HOST_WIDE_INT_UC (1) |
| #define HOST_WIDE_INT_C | ( | X | ) | X ## L |
| #define HOST_WIDE_INT_M1 HOST_WIDE_INT_C (-1) |
| #define HOST_WIDE_INT_M1U HOST_WIDE_INT_UC (-1) |
Referenced by fold_builtin_cbrt(), and native_interpret_complex().
| #define HOST_WIDE_INT_MAX (~(HOST_WIDE_INT_MIN)) |
| #define HOST_WIDE_INT_MIN |
Referenced by compress_float_constant(), pos_mul_hwi(), and replace_ref().
| #define HOST_WIDE_INT_PRINT HOST_LONG_FORMAT |
Various printf format strings for HOST_WIDE_INT.
| #define HOST_WIDE_INT_PRINT_C "L" |
| #define HOST_WIDE_INT_PRINT_DEC "%" HOST_WIDE_INT_PRINT "d" |
| #define HOST_WIDE_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC HOST_WIDE_INT_PRINT_C |
Referenced by find_afterward().
| #define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%" HOST_LONG_FORMAT "x%08" HOST_LONG_FORMAT "x" |
'long' might be 32 or 64 bits, and the number of leading zeroes
must be tweaked accordingly.
| #define HOST_WIDE_INT_PRINT_HEX "%#" HOST_WIDE_INT_PRINT "x" |
Referenced by print_value(), and unmark_dies().
| #define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x" |
| #define HOST_WIDE_INT_PRINT_PADDED_HEX "%08" HOST_LONG_FORMAT "x" |
| #define HOST_WIDE_INT_PRINT_UNSIGNED "%" HOST_WIDE_INT_PRINT "u" |
Referenced by compute_builtin_object_size(), construct_piece_list(), and dwarf2out_imported_module_or_decl_1().
| #define HOST_WIDE_INT_UC | ( | X | ) | HOST_WIDE_INT_C (X ## U) |
| #define HOST_WIDEST_FAST_INT long |
Define HOST_WIDEST_FAST_INT to the widest integer type supported efficiently in hardware. (That is, the widest integer type that fits in a hardware register.) Normally this is "long" but on some hosts it should be "long long" or "__int64". This is no convenient way to autodetect this, so such systems must set a flag in config.host; see there for details.
| #define HOST_WIDEST_INT HOST_WIDE_INT |
Set HOST_WIDEST_INT. This is a 64-bit type unless the compiler in use has no 64-bit type at all; in that case it's 32 bits.
Referenced by build_conflict_bit_table(), get_working_sets(), and streamer_read_tree_bitfields().
| #define HOST_WIDEST_INT_C | ( | X | ) | HOST_WIDE_INT (X) |
| #define HOST_WIDEST_INT_PRINT HOST_WIDE_INT_PRINT |
| #define HOST_WIDEST_INT_PRINT_DEC HOST_WIDE_INT_PRINT_DEC |
| #define HOST_WIDEST_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC_C |
| #define HOST_WIDEST_INT_PRINT_DOUBLE_HEX HOST_WIDE_INT_PRINT_DOUBLE_HEX |
| #define HOST_WIDEST_INT_PRINT_HEX HOST_WIDE_INT_PRINT_HEX |
| #define HOST_WIDEST_INT_PRINT_UNSIGNED HOST_WIDE_INT_PRINT_UNSIGNED |
| typedef HOST_WIDE_INT __gcc_host_wide_int__ |
This is a magic identifier which allows GCC to figure out the type of HOST_WIDE_INT for %wd specifier checks. You must issue this typedef before using the __asm_fprintf__ format attribute.
| HOST_WIDE_INT abs_hwi | ( | HOST_WIDE_INT | ) |
| unsigned HOST_WIDE_INT absu_hwi | ( | HOST_WIDE_INT | ) |
| int ceil_log2 | ( | unsigned | HOST_WIDE_INT | ) |
Return the smallest n such that 2**n >= X.
| int clz_hwi | ( | unsigned HOST_WIDE_INT | x | ) |
Inline functions operating on HOST_WIDE_INT.
| int ctz_hwi | ( | unsigned HOST_WIDE_INT | x | ) |
| int exact_log2 | ( | unsigned | HOST_WIDE_INT | ) |
Return log2, or -1 if not exact.
| int ffs_hwi | ( | unsigned HOST_WIDE_INT | x | ) |
| int floor_log2 | ( | unsigned | HOST_WIDE_INT | ) |
Return floor of log2, with -1 for zero.
| HOST_WIDE_INT gcd | ( | HOST_WIDE_INT | , |
| HOST_WIDE_INT | |||
| ) |
| HOST_WIDE_INT least_common_multiple | ( | HOST_WIDE_INT | , |
| HOST_WIDE_INT | |||
| ) |
| HOST_WIDE_INT mul_hwi | ( | HOST_WIDE_INT | , |
| HOST_WIDE_INT | |||
| ) |
| int popcount_hwi | ( | unsigned HOST_WIDE_INT | x | ) |
Return the number of set bits in X.
| HOST_WIDE_INT pos_mul_hwi | ( | HOST_WIDE_INT | , |
| HOST_WIDE_INT | |||
| ) |
|
inlinestatic |
Sign extend SRC starting from PREC.
|
inlinestatic |
Zero extend SRC starting from PREC.
1.8.1.1