operator_bitwise_or Class Reference

#include <range-op-mixed.h>

Inheritance diagram for operator_bitwise_or:

Collaboration diagram for operator_bitwise_or:

Public Member Functions
relation_kind	lhs_op1_relation (const irange &lhs, const irange &op1, const irange &op2, relation_kind) const final override
bool	fold_range (prange &r, tree type, const prange &op1, const prange &op2, relation_trio) const final override
bool	op1_range (irange &r, tree type, const irange &lhs, const irange &op2, relation_trio rel=TRIO_VARYING) const override
bool	op2_range (irange &r, tree type, const irange &lhs, const irange &op1, relation_trio rel=TRIO_VARYING) const override
bool	op1_op2_relation_effect (irange &lhs_range, tree type, const irange &op1_range, const irange &op2_range, relation_kind rel) const final override
void	update_bitmask (irange &r, const irange &lh, const irange &rh) const override
bool	operand_check_p (tree t1, tree t2, tree t3) const final override
virtual bool	fold_range (irange &r, tree type, const irange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (frange &r, tree type, const frange &lh, const frange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (irange &r, tree type, const frange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (irange &r, tree type, const frange &lh, const frange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (frange &r, tree type, const irange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (frange &r, tree type, const irange &lh, const frange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (prange &r, tree type, const prange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (irange &r, tree type, const prange &lh, const prange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (prange &r, tree type, const irange &lh, const prange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (irange &r, tree type, const prange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (prange &r, tree type, const prange &lhs, const prange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (prange &r, tree type, const irange &lhs, const prange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (prange &r, tree type, const prange &lhs, const irange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (irange &r, tree type, const prange &lhs, const irange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (frange &r, tree type, const frange &lhs, const frange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (frange &r, tree type, const irange &lhs, const frange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op1_range (irange &r, tree type, const frange &lhs, const irange &op2, relation_trio=TRIO_VARYING) const
virtual bool	op2_range (prange &r, tree type, const irange &lhs, const prange &op1, relation_trio=TRIO_VARYING) const
virtual bool	op2_range (irange &r, tree type, const prange &lhs, const prange &op1, relation_trio=TRIO_VARYING) const
virtual bool	op2_range (frange &r, tree type, const frange &lhs, const frange &op1, relation_trio=TRIO_VARYING) const
virtual bool	op2_range (frange &r, tree type, const irange &lhs, const frange &op1, relation_trio=TRIO_VARYING) const
virtual relation_kind	lhs_op1_relation (const prange &lhs, const prange &op1, const prange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op1_relation (const prange &lhs, const irange &op1, const irange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op1_relation (const irange &lhs, const prange &op1, const prange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op1_relation (const prange &lhs, const prange &op1, const irange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op1_relation (const frange &lhs, const frange &op1, const frange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op1_relation (const irange &lhs, const frange &op1, const frange &op2, relation_kind=VREL_VARYING) const
virtual bool	op1_op2_relation_effect (prange &lhs_range, tree type, const prange &op1_range, const prange &op2_range, relation_kind rel) const
virtual bool	op1_op2_relation_effect (prange &lhs_range, tree type, const prange &op1_range, const irange &op2_range, relation_kind rel) const
virtual bool	op1_op2_relation_effect (irange &lhs_range, tree type, const prange &op1_range, const prange &op2_range, relation_kind rel) const
virtual bool	op1_op2_relation_effect (prange &lhs_range, tree type, const irange &op1_range, const prange &op2_range, relation_kind rel) const
virtual bool	op1_op2_relation_effect (irange &lhs_range, tree type, const prange &op1_range, const irange &op2_range, relation_kind rel) const
virtual void	update_bitmask (irange &, const prange &, const prange &) const
virtual relation_kind	lhs_op2_relation (const irange &lhs, const irange &op1, const irange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op2_relation (const frange &lhs, const frange &op1, const frange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	lhs_op2_relation (const irange &lhs, const frange &op1, const frange &op2, relation_kind=VREL_VARYING) const
virtual relation_kind	op1_op2_relation (const irange &lhs, const irange &op1, const irange &op2) const
virtual relation_kind	op1_op2_relation (const irange &lhs, const prange &op1, const prange &op2) const
virtual relation_kind	op1_op2_relation (const irange &lhs, const frange &op1, const frange &op2) const
virtual relation_kind	op1_op2_relation (const frange &lhs, const frange &op1, const frange &op2) const
virtual bool	overflow_free_p (const irange &lh, const irange &rh, relation_trio=TRIO_VARYING) const

Protected Member Functions
void	wi_fold (irange &r, tree type, const wide_int &lh_lb, const wide_int &lh_ub, const wide_int &rh_lb, const wide_int &rh_ub) const override
void	wi_fold_in_parts (irange &r, tree type, const wide_int &lh_lb, const wide_int &lh_ub, const wide_int &rh_lb, const wide_int &rh_ub) const
void	wi_fold_in_parts_equiv (irange &r, tree type, const wide_int &lb, const wide_int &ub, unsigned limit) const
virtual void	rv_fold (frange &r, tree type, const REAL_VALUE_TYPE &lh_lb, const REAL_VALUE_TYPE &lh_ub, const REAL_VALUE_TYPE &rh_lb, const REAL_VALUE_TYPE &rh_ub, relation_kind) const

Member Function Documentation

fold_range() [1/11]

bool range_operator::fold_range ( frange & r, tree type, const frange & op1, const frange & op2, relation_trio trio = TRIO_VARYING ) const

virtual

Floating point range operators.
   Copyright (C) 2022-2026 Free Software Foundation, Inc.
   Contributed by Aldy Hernandez <aldyh@redhat.com>.

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/>.   

Reimplemented from range_operator.

fold_range() [2/11]

bool range_operator::fold_range ( frange & r, tree type, const irange & lh, const frange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [3/11]

bool range_operator::fold_range ( frange & r, tree type, const irange & lh, const irange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [4/11]

bool range_operator::fold_range ( irange & r, tree type, const frange & lh, const frange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [5/11]

bool range_operator::fold_range ( irange & r, tree type, const frange & lh, const irange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [6/11]

bool range_operator::fold_range ( irange & r, tree type, const irange & lh, const irange & rh, relation_trio trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [7/11]

bool range_operator::fold_range ( irange & r, tree type, const prange & lh, const irange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [8/11]

bool range_operator::fold_range ( irange & r, tree type, const prange & lh, const prange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [9/11]

bool range_operator::fold_range ( prange & r, tree type, const irange & lh, const prange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [10/11]

bool range_operator::fold_range ( prange & r, tree type, const prange & lh, const irange & rh, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

fold_range() [11/11]

bool operator_bitwise_or::fold_range ( prange & r, tree type, const prange & lh, const prange & rh, relation_trio  ) const

finaloverridevirtual

Code for range operators.
   Copyright (C) 2017-2026 Free Software Foundation, Inc.
   Contributed by Andrew MacLeod <amacleod@redhat.com>
   and Aldy Hernandez <aldyh@redhat.com>.

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/>.   

Reimplemented from range_operator.

References r, range_includes_zero_p(), update_known_bitmask(), and prange::zero_p().

Referenced by operator_bitwise_xor::fold_range().

lhs_op1_relation() [1/7]

relation_kind range_operator::lhs_op1_relation ( const frange & lhs, const frange & op1, const frange & op2, relation_kind = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op1_relation() [2/7]

relation_kind range_operator::lhs_op1_relation ( const irange & lhs, const frange & op1, const frange & op2, relation_kind = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op1_relation() [3/7]

relation_kind operator_bitwise_or::lhs_op1_relation ( const irange & lhs, const irange & op1, const irange & op2, relation_kind rel ) const

finaloverridevirtual

Reimplemented from range_operator.

References vrange::undefined_p(), VREL_EQ, and VREL_VARYING.

lhs_op1_relation() [4/7]

relation_kind range_operator::lhs_op1_relation ( const irange & lhs, const prange & op1, const prange & op2, relation_kind rel = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op1_relation() [5/7]

relation_kind range_operator::lhs_op1_relation ( const prange & lhs, const irange & op1, const irange & op2, relation_kind rel = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op1_relation() [6/7]

relation_kind range_operator::lhs_op1_relation ( const prange & lhs, const prange & op1, const irange & op2, relation_kind rel = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op1_relation() [7/7]

relation_kind range_operator::lhs_op1_relation ( const prange & lhs, const prange & op1, const prange & op2, relation_kind rel = VREL_VARYING ) const

virtual

Reimplemented from range_operator.

lhs_op2_relation() [1/3]

relation_kind range_operator::lhs_op2_relation ( const frange & lhs, const frange & op1, const frange & op2, relation_kind = VREL_VARYING ) const

virtualinherited

Reimplemented in operator_max, operator_min, and operator_plus.

References VREL_VARYING.

lhs_op2_relation() [2/3]

relation_kind range_operator::lhs_op2_relation ( const irange & lhs, const frange & op1, const frange & op2, relation_kind = VREL_VARYING ) const

virtualinherited

Reimplemented in operator_max, operator_min, and operator_plus.

References VREL_VARYING.

lhs_op2_relation() [3/3]

relation_kind range_operator::lhs_op2_relation ( const irange & lhs, const irange & op1, const irange & op2, relation_kind rel = VREL_VARYING ) const

virtualinherited

Reimplemented in operator_max, operator_min, and operator_plus.

References VREL_VARYING.

Referenced by range_op_handler::lhs_op2_relation(), and range_op_table.

op1_op2_relation() [1/4]

relation_kind range_operator::op1_op2_relation ( const frange & lhs, const frange & op1, const frange & op2 ) const

virtualinherited

Reimplemented in operator_equal, operator_ge, operator_gt, operator_le, operator_lt, operator_minus, and operator_not_equal.

References VREL_VARYING.

op1_op2_relation() [2/4]

relation_kind range_operator::op1_op2_relation ( const irange & lhs, const frange & op1, const frange & op2 ) const

virtualinherited

Reimplemented in operator_equal, operator_ge, operator_gt, operator_le, operator_lt, operator_minus, and operator_not_equal.

References VREL_VARYING.

op1_op2_relation() [3/4]

relation_kind range_operator::op1_op2_relation ( const irange & lhs, const irange & op1, const irange & op2 ) const

virtualinherited

Reimplemented in operator_equal, operator_ge, operator_gt, operator_le, operator_lt, operator_minus, and operator_not_equal.

References VREL_VARYING.

Referenced by range_op_handler::op1_op2_relation(), and range_op_table.

op1_op2_relation() [4/4]

relation_kind range_operator::op1_op2_relation ( const irange & lhs, const prange & op1, const prange & op2 ) const

virtualinherited

Reimplemented in operator_equal, operator_ge, operator_gt, operator_le, operator_lt, operator_minus, and operator_not_equal.

op1_op2_relation_effect() [1/6]

bool operator_bitwise_or::op1_op2_relation_effect ( irange & lhs_range, tree type, const irange & op1_range, const irange & op2_range, relation_kind rel ) const

finaloverridevirtual

Reimplemented from range_operator.

References irange::intersect(), irange::set_nonzero(), VREL_NE, and VREL_VARYING.

op1_op2_relation_effect() [2/6]

bool range_operator::op1_op2_relation_effect ( irange & lhs_range, tree type, const prange & op1_range, const irange & op2_range, relation_kind rel ) const

virtual

Reimplemented from range_operator.

op1_op2_relation_effect() [3/6]

bool range_operator::op1_op2_relation_effect ( irange & lhs_range, tree type, const prange & op1_range, const prange & op2_range, relation_kind rel ) const

virtual

Reimplemented from range_operator.

op1_op2_relation_effect() [4/6]

bool range_operator::op1_op2_relation_effect ( prange & lhs_range, tree type, const irange & op1_range, const prange & op2_range, relation_kind rel ) const

virtual

Reimplemented from range_operator.

op1_op2_relation_effect() [5/6]

bool range_operator::op1_op2_relation_effect ( prange & lhs_range, tree type, const prange & op1_range, const irange & op2_range, relation_kind rel ) const

virtual

Reimplemented from range_operator.

op1_op2_relation_effect() [6/6]

bool range_operator::op1_op2_relation_effect ( prange & lhs_range, tree type, const prange & op1_range, const prange & op2_range, relation_kind rel ) const

virtual

Reimplemented from range_operator.

op1_range() [1/8]

bool range_operator::op1_range ( frange & r, tree type, const frange & lhs, const frange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [2/8]

bool range_operator::op1_range ( frange & r, tree type, const irange & lhs, const frange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [3/8]

bool range_operator::op1_range ( irange & r, tree type, const frange & lhs, const irange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [4/8]

bool operator_bitwise_or::op1_range ( irange & r, tree type, const irange & lhs, const irange & op2, relation_trio rel = TRIO_VARYING ) const

overridevirtual

Reimplemented from range_operator.

References boolean_type_node, wi::ge_p(), wi::max_value(), operator_logical_or::op1_range(), op_logical_or, r, SIGNED, TYPE_PRECISION, TYPE_SIGN, types_compatible_p(), and wi::zero().

Referenced by op2_range().

op1_range() [5/8]

bool range_operator::op1_range ( irange & r, tree type, const prange & lhs, const irange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [6/8]

bool range_operator::op1_range ( prange & r, tree type, const irange & lhs, const prange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [7/8]

bool range_operator::op1_range ( prange & r, tree type, const prange & lhs, const irange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op1_range() [8/8]

bool range_operator::op1_range ( prange & r, tree type, const prange & lhs, const prange & op2, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op2_range() [1/5]

bool range_operator::op2_range ( frange & r, tree type, const frange & lhs, const frange & op1, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op2_range() [2/5]

bool range_operator::op2_range ( frange & r, tree type, const irange & lhs, const frange & op1, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op2_range() [3/5]

bool operator_bitwise_or::op2_range ( irange & r, tree type, const irange & lhs, const irange & op1, relation_trio rel = TRIO_VARYING ) const

overridevirtual

Reimplemented from range_operator.

References op1_range(), and r.

op2_range() [4/5]

bool range_operator::op2_range ( irange & r, tree type, const prange & lhs, const prange & op1, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

op2_range() [5/5]

bool range_operator::op2_range ( prange & r, tree type, const irange & lhs, const prange & op1, relation_trio = TRIO_VARYING ) const

virtual

Reimplemented from range_operator.

operand_check_p()

bool operator_bitwise_or::operand_check_p ( tree t1, tree t2, tree t3 ) const

inlinefinaloverridevirtual

Reimplemented from range_operator.

References range_compatible_p().

overflow_free_p()

bool range_operator::overflow_free_p ( const irange & lh, const irange & rh, relation_trio = TRIO_VARYING ) const

virtualinherited

Reimplemented in operator_minus, operator_mult, and operator_plus.

Referenced by range_op_handler::overflow_free_p(), and range_op_table.

rv_fold()

void range_operator::rv_fold ( frange & r, tree type, const REAL_VALUE_TYPE & lh_lb, const REAL_VALUE_TYPE & lh_ub, const REAL_VALUE_TYPE & rh_lb, const REAL_VALUE_TYPE & rh_ub, relation_kind  ) const

protectedvirtualinherited

Reimplemented in foperator_div, operator_minus, operator_mult, and operator_plus.

References r.

Referenced by cfn_constant_float_p::fold_range(), and range_op_table.

update_bitmask() [1/2]

void range_operator::update_bitmask ( irange & , const prange & , const prange &  ) const

virtual

Reimplemented from range_operator.

update_bitmask() [2/2]

void operator_bitwise_or::update_bitmask ( irange & r, const irange & lh, const irange & rh ) const

overridevirtual

Reimplemented from range_operator.

References r, and update_known_bitmask().

wi_fold()

void operator_bitwise_or::wi_fold ( irange & r, tree type, const wide_int & lh_lb, const wide_int & lh_ub, const wide_int & rh_lb, const wide_int & rh_ub ) const

overrideprotectedvirtual

Reimplemented from range_operator.

References wi::ge_p(), wi::gt_p(), wi::lt_p(), wi::max(), r, SIGNED, TYPE_SIGN, value_range_with_overflow(), wi_optimize_and_or(), wi_optimize_signed_bitwise_op(), and wi_set_zero_nonzero_bits().

wi_fold_in_parts()

void range_operator::wi_fold_in_parts ( irange & r, tree type, const wide_int & lh_lb, const wide_int & lh_ub, const wide_int & rh_lb, const wide_int & rh_ub ) const

protectedinherited

References r, wi::sub(), TYPE_SIGN, wi_fold(), and wi_fold_in_parts().

Referenced by fold_range(), range_op_table, and wi_fold_in_parts().

wi_fold_in_parts_equiv()

void range_operator::wi_fold_in_parts_equiv ( irange & r, tree type, const wide_int & lb, const wide_int & ub, unsigned limit ) const

protectedinherited

References r, wi::sub(), TYPE_SIGN, and wi_fold().

Referenced by fold_range(), and range_op_table.

---

The documentation for this class was generated from the following files:

• range-op-mixed.h
• range-op-ptr.cc
• range-op.cc