/usr/lib/gcc-cross/powerpc64-linux-gnu/7/plugin/include/fold-const.h is in gcc-7-plugin-dev-powerpc64-linux-gnu 7.3.0-16ubuntu3cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | /* Fold a constant sub-tree into a single node for C-compiler
Copyright (C) 1987-2017 Free Software Foundation, Inc.
This file is part of GCC.
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 3, or (at your option) any later
version.
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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_FOLD_CONST_H
#define GCC_FOLD_CONST_H
/* Non-zero if we are folding constants inside an initializer; zero
otherwise. */
extern int folding_initializer;
/* Convert between trees and native memory representation. */
extern int native_encode_expr (const_tree, unsigned char *, int, int off = -1);
extern tree native_interpret_expr (tree, const unsigned char *, int);
extern bool can_native_encode_type_p (tree);
extern bool can_native_encode_string_p (const_tree);
/* Fold constants as much as possible in an expression.
Returns the simplified expression.
Acts only on the top level of the expression;
if the argument itself cannot be simplified, its
subexpressions are not changed. */
extern tree fold (tree);
#define fold_unary(CODE,T1,T2)\
fold_unary_loc (UNKNOWN_LOCATION, CODE, T1, T2)
extern tree fold_unary_loc (location_t, enum tree_code, tree, tree);
#define fold_unary_ignore_overflow(CODE,T1,T2)\
fold_unary_ignore_overflow_loc (UNKNOWN_LOCATION, CODE, T1, T2)
extern tree fold_unary_ignore_overflow_loc (location_t, enum tree_code, tree, tree);
#define fold_binary(CODE,T1,T2,T3)\
fold_binary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3)
extern tree fold_binary_loc (location_t, enum tree_code, tree, tree, tree);
#define fold_ternary(CODE,T1,T2,T3,T4)\
fold_ternary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3, T4)
extern tree fold_ternary_loc (location_t, enum tree_code, tree, tree, tree, tree);
#define fold_build1(c,t1,t2)\
fold_build1_stat_loc (UNKNOWN_LOCATION, c, t1, t2 MEM_STAT_INFO)
#define fold_build1_loc(l,c,t1,t2)\
fold_build1_stat_loc (l, c, t1, t2 MEM_STAT_INFO)
extern tree fold_build1_stat_loc (location_t, enum tree_code, tree,
tree MEM_STAT_DECL);
#define fold_build2(c,t1,t2,t3)\
fold_build2_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3 MEM_STAT_INFO)
#define fold_build2_loc(l,c,t1,t2,t3)\
fold_build2_stat_loc (l, c, t1, t2, t3 MEM_STAT_INFO)
extern tree fold_build2_stat_loc (location_t, enum tree_code, tree, tree,
tree MEM_STAT_DECL);
#define fold_build3(c,t1,t2,t3,t4)\
fold_build3_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3, t4 MEM_STAT_INFO)
#define fold_build3_loc(l,c,t1,t2,t3,t4)\
fold_build3_stat_loc (l, c, t1, t2, t3, t4 MEM_STAT_INFO)
extern tree fold_build3_stat_loc (location_t, enum tree_code, tree, tree, tree,
tree MEM_STAT_DECL);
extern tree fold_build1_initializer_loc (location_t, enum tree_code, tree, tree);
extern tree fold_build2_initializer_loc (location_t, enum tree_code, tree, tree, tree);
#define fold_build_call_array(T1,T2,N,T4)\
fold_build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
extern tree fold_build_call_array_loc (location_t, tree, tree, int, tree *);
#define fold_build_call_array_initializer(T1,T2,N,T4)\
fold_build_call_array_initializer_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
extern tree fold_build_call_array_initializer_loc (location_t, tree, tree, int, tree *);
extern tree get_array_ctor_element_at_index (tree, offset_int);
extern bool fold_convertible_p (const_tree, const_tree);
#define fold_convert(T1,T2)\
fold_convert_loc (UNKNOWN_LOCATION, T1, T2)
extern tree fold_convert_loc (location_t, tree, tree);
extern tree fold_single_bit_test (location_t, enum tree_code, tree, tree, tree);
extern tree fold_ignored_result (tree);
extern tree fold_abs_const (tree, tree);
extern tree fold_indirect_ref_1 (location_t, tree, tree);
extern void fold_defer_overflow_warnings (void);
extern void fold_undefer_overflow_warnings (bool, const gimple *, int);
extern void fold_undefer_and_ignore_overflow_warnings (void);
extern bool fold_deferring_overflow_warnings_p (void);
extern void fold_overflow_warning (const char*, enum warn_strict_overflow_code);
extern int operand_equal_p (const_tree, const_tree, unsigned int);
extern int multiple_of_p (tree, const_tree, const_tree);
#define omit_one_operand(T1,T2,T3)\
omit_one_operand_loc (UNKNOWN_LOCATION, T1, T2, T3)
extern tree omit_one_operand_loc (location_t, tree, tree, tree);
#define omit_two_operands(T1,T2,T3,T4)\
omit_two_operands_loc (UNKNOWN_LOCATION, T1, T2, T3, T4)
extern tree omit_two_operands_loc (location_t, tree, tree, tree, tree);
#define invert_truthvalue(T)\
invert_truthvalue_loc (UNKNOWN_LOCATION, T)
extern tree invert_truthvalue_loc (location_t, tree);
extern tree fold_unary_to_constant (enum tree_code, tree, tree);
extern tree fold_binary_to_constant (enum tree_code, tree, tree, tree);
extern tree fold_read_from_constant_string (tree);
extern tree int_const_binop (enum tree_code, const_tree, const_tree);
#define build_fold_addr_expr(T)\
build_fold_addr_expr_loc (UNKNOWN_LOCATION, (T))
extern tree build_fold_addr_expr_loc (location_t, tree);
#define build_fold_addr_expr_with_type(T,TYPE)\
build_fold_addr_expr_with_type_loc (UNKNOWN_LOCATION, (T), TYPE)
extern tree build_fold_addr_expr_with_type_loc (location_t, tree, tree);
extern tree fold_build_cleanup_point_expr (tree type, tree expr);
#define build_fold_indirect_ref(T)\
build_fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
extern tree build_fold_indirect_ref_loc (location_t, tree);
#define fold_indirect_ref(T)\
fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
extern tree fold_indirect_ref_loc (location_t, tree);
extern tree build_simple_mem_ref_loc (location_t, tree);
#define build_simple_mem_ref(T)\
build_simple_mem_ref_loc (UNKNOWN_LOCATION, T)
extern offset_int mem_ref_offset (const_tree);
extern tree build_invariant_address (tree, tree, HOST_WIDE_INT);
extern tree constant_boolean_node (bool, tree);
extern tree div_if_zero_remainder (const_tree, const_tree);
extern bool tree_swap_operands_p (const_tree, const_tree);
extern enum tree_code swap_tree_comparison (enum tree_code);
extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
extern enum tree_code invert_tree_comparison (enum tree_code, bool);
extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
bool *);
extern bool tree_single_nonzero_warnv_p (tree, bool *);
extern bool tree_unary_nonnegative_warnv_p (enum tree_code, tree, tree,
bool *, int);
extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
bool *, int);
extern bool tree_single_nonnegative_warnv_p (tree, bool *, int);
extern bool tree_call_nonnegative_warnv_p (tree, combined_fn, tree, tree,
bool *, int);
extern bool integer_valued_real_unary_p (tree_code, tree, int);
extern bool integer_valued_real_binary_p (tree_code, tree, tree, int);
extern bool integer_valued_real_call_p (combined_fn, tree, tree, int);
extern bool integer_valued_real_single_p (tree, int);
extern bool integer_valued_real_p (tree, int = 0);
extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
extern tree combine_comparisons (location_t, enum tree_code, enum tree_code,
enum tree_code, tree, tree, tree);
extern void debug_fold_checksum (const_tree);
extern bool may_negate_without_overflow_p (const_tree);
#define round_up(T,N) round_up_loc (UNKNOWN_LOCATION, T, N)
extern tree round_up_loc (location_t, tree, unsigned int);
#define round_down(T,N) round_down_loc (UNKNOWN_LOCATION, T, N)
extern tree round_down_loc (location_t, tree, int);
extern tree size_int_kind (HOST_WIDE_INT, enum size_type_kind);
#define size_binop(CODE,T1,T2)\
size_binop_loc (UNKNOWN_LOCATION, CODE, T1, T2)
extern tree size_binop_loc (location_t, enum tree_code, tree, tree);
#define size_diffop(T1,T2)\
size_diffop_loc (UNKNOWN_LOCATION, T1, T2)
extern tree size_diffop_loc (location_t, tree, tree);
/* Return an expr equal to X but certainly not valid as an lvalue. */
#define non_lvalue(T) non_lvalue_loc (UNKNOWN_LOCATION, T)
extern tree non_lvalue_loc (location_t, tree);
extern bool tree_expr_nonzero_p (tree);
extern bool tree_expr_nonnegative_p (tree);
extern bool tree_expr_nonnegative_warnv_p (tree, bool *, int = 0);
extern tree make_range (tree, int *, tree *, tree *, bool *);
extern tree make_range_step (location_t, enum tree_code, tree, tree, tree,
tree *, tree *, int *, bool *);
extern tree build_range_check (location_t, tree, tree, int, tree, tree);
extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
tree, tree);
extern tree sign_bit_p (tree, const_tree);
extern tree exact_inverse (tree, tree);
extern bool expr_not_equal_to (tree t, const wide_int &);
extern tree const_unop (enum tree_code, tree, tree);
extern tree const_binop (enum tree_code, tree, tree, tree);
extern bool negate_mathfn_p (combined_fn);
extern const char *c_getstr (tree, unsigned HOST_WIDE_INT *strlen = NULL);
/* Return OFF converted to a pointer offset type suitable as offset for
POINTER_PLUS_EXPR. Use location LOC for this conversion. */
extern tree convert_to_ptrofftype_loc (location_t loc, tree off);
#define convert_to_ptrofftype(t) convert_to_ptrofftype_loc (UNKNOWN_LOCATION, t)
/* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF. */
extern tree fold_build_pointer_plus_loc (location_t loc, tree ptr, tree off);
#define fold_build_pointer_plus(p,o) \
fold_build_pointer_plus_loc (UNKNOWN_LOCATION, p, o)
/* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF. */
extern tree fold_build_pointer_plus_hwi_loc (location_t loc, tree ptr, HOST_WIDE_INT off);
#define fold_build_pointer_plus_hwi(p,o) \
fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
#endif // GCC_FOLD_CONST_H
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