operator_not_equal Class Reference

#include <range-op-mixed.h>

Inheritance diagram for operator_not_equal:

Collaboration diagram for operator_not_equal:

Public Member Functions
bool	fold_range (irange &r, tree type, const irange &op1, const irange &op2, relation_trio=TRIO_VARYING) const final override
bool	fold_range (irange &r, tree type, const prange &op1, const prange &op2, relation_trio rel=TRIO_VARYING) const final override
bool	fold_range (irange &r, tree type, const frange &op1, const frange &op2, relation_trio rel=TRIO_VARYING) const final override
bool	op1_range (irange &r, tree type, const irange &lhs, const irange &op2, relation_trio=TRIO_VARYING) const final override
bool	op1_range (prange &r, tree type, const irange &lhs, const prange &op2, relation_trio=TRIO_VARYING) const final override
bool	op1_range (frange &r, tree type, const irange &lhs, const frange &op2, relation_trio=TRIO_VARYING) const final override
bool	op2_range (irange &r, tree type, const irange &lhs, const irange &op1, relation_trio=TRIO_VARYING) const final override
bool	op2_range (prange &r, tree type, const irange &lhs, const prange &op1, relation_trio=TRIO_VARYING) const final override
bool	op2_range (frange &r, tree type, const irange &lhs, const frange &op1, relation_trio=TRIO_VARYING) const final override
relation_kind	op1_op2_relation (const irange &lhs, const irange &, const irange &) const final override
relation_kind	op1_op2_relation (const irange &lhs, const prange &, const prange &) const final override
relation_kind	op1_op2_relation (const irange &lhs, const frange &, const frange &) const final override
void	update_bitmask (irange &r, const irange &lh, const irange &rh) const final override
bool	operand_check_p (tree t0, tree t1, tree t2) const final override
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 (frange &r, tree type, const irange &lh, const irange &rh, relation_trio=TRIO_VARYING) const
virtual bool	fold_range (prange &r, tree type, const prange &lh, const prange &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 (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 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	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 relation_kind	op1_op2_relation (const frange &lhs, const frange &op1, const frange &op2) const
virtual void	update_bitmask (irange &, const prange &, const prange &) const
virtual relation_kind	lhs_op1_relation (const irange &lhs, const irange &op1, const irange &op2, relation_kind=VREL_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 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 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 bool	overflow_free_p (const irange &lh, const irange &rh, relation_trio=TRIO_VARYING) const

Protected Member Functions
virtual 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
virtual bool	op1_op2_relation_effect (irange &lhs_range, tree type, const irange &op1_range, const irange &op2_range, relation_kind rel) 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
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() [1/10]

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) 2022-2024 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() [2/10]

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() [3/10]

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() [4/10]

bool operator_not_equal::fold_range ( irange & r, tree type, const frange & op1, const frange & op2, relation_trio rel = TRIO_VARYING ) const

finaloverridevirtual

Reimplemented from range_operator.

References frelop_early_resolve(), frange::intersect(), frange::known_isnan(), frange::lower_bound(), maybe_isnan(), relation_trio::op1_op2(), r, range_false(), range_true(), range_true_and_false(), real_iszero(), frange::singleton_p(), vrange::undefined_p(), frange::upper_bound(), VREL_EQ, and VREL_NE.

fold_range() [5/10]

bool operator_not_equal::fold_range ( irange & r, tree type, const irange & op1, const irange & op2, relation_trio rel = TRIO_VARYING ) const

finaloverridevirtual

Reimplemented from range_operator.

References wi::eq_p(), irange::get_bitmask(), irange::intersect(), irange::lower_bound(), irange_bitmask::member_p(), wi::ne_p(), r, range_false(), range_true(), range_true_and_false(), relop_early_resolve(), vrange::undefined_p(), irange::upper_bound(), and VREL_NE.

fold_range() [6/10]

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() [7/10]

bool operator_not_equal::fold_range ( irange & r, tree type, const prange & op1, const prange & op2, relation_trio rel = TRIO_VARYING ) const

finaloverridevirtual

Reimplemented from range_operator.

References wi::eq_p(), prange::get_bitmask(), prange::intersect(), prange::lower_bound(), irange_bitmask::member_p(), wi::ne_p(), r, range_false(), range_true(), range_true_and_false(), relop_early_resolve(), vrange::undefined_p(), prange::upper_bound(), and VREL_NE.

fold_range() [8/10]

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() [9/10]

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() [10/10]

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

virtual

Code for range operators.
   Copyright (C) 2017-2024 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.

lhs_op1_relation() [1/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

References VREL_VARYING.

lhs_op1_relation() [2/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

lhs_op1_relation() [3/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

References VREL_VARYING.

Referenced by range_op_handler::lhs_op1_relation().

lhs_op1_relation() [4/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

References VREL_VARYING.

lhs_op1_relation() [5/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

References VREL_VARYING.

lhs_op1_relation() [6/6]

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

virtualinherited

Reimplemented in operator_bitwise_and, operator_cast, operator_identity, operator_minus, operator_plus, and operator_rshift.

References VREL_VARYING.

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_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_plus.

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_plus.

References VREL_VARYING.

Referenced by range_op_handler::lhs_op2_relation().

op1_op2_relation() [1/4]

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

virtual

Reimplemented from range_operator.

op1_op2_relation() [2/4]

relation_kind operator_not_equal::op1_op2_relation ( const irange & lhs, const frange & , const frange &  ) const

finaloverridevirtual

Reimplemented from range_operator.

References contains_zero_p(), VREL_EQ, VREL_NE, VREL_UNDEFINED, and VREL_VARYING.

op1_op2_relation() [3/4]

relation_kind operator_not_equal::op1_op2_relation ( const irange & lhs, const irange & , const irange &  ) const

finaloverridevirtual

Reimplemented from range_operator.

References contains_zero_p(), VREL_EQ, VREL_NE, VREL_UNDEFINED, and VREL_VARYING.

op1_op2_relation() [4/4]

relation_kind operator_not_equal::op1_op2_relation ( const irange & lhs, const prange & , const prange &  ) const

finaloverridevirtual

Reimplemented from range_operator.

References range_includes_zero_p(), VREL_EQ, VREL_NE, VREL_UNDEFINED, and VREL_VARYING.

op1_op2_relation_effect() [1/6]

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

Referenced by range_operator::fold_range().

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

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

protectedvirtualinherited

Reimplemented in operator_bitwise_xor, operator_minus, and operator_pointer_diff.

op1_range() [1/7]

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() [2/7]

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

finaloverridevirtual

Reimplemented from range_operator.

References BRS_FALSE, BRS_TRUE, frange_add_zeros(), get_bool_state(), frange::known_isnan(), frange::lower_bound(), relation_trio::op1_op2(), r, REAL_VALUE_TYPE, frange::singleton_p(), VR_ANTI_RANGE, and VREL_EQ.

op1_range() [3/7]

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

finaloverridevirtual

Reimplemented from range_operator.

References BRS_FALSE, BRS_TRUE, wi::eq_p(), get_bool_state(), irange::invert(), irange::lower_bound(), r, vrange::undefined_p(), and irange::upper_bound().

Referenced by op2_range(), op2_range(), and op2_range().

op1_range() [4/7]

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() [5/7]

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

finaloverridevirtual

Reimplemented from range_operator.

References BRS_FALSE, BRS_TRUE, wi::eq_p(), get_bool_state(), prange::invert(), prange::lower_bound(), r, vrange::undefined_p(), and prange::upper_bound().

op1_range() [6/7]

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() [7/7]

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

finaloverridevirtual

Reimplemented from range_operator.

References op1_range(), and r.

op2_range() [3/5]

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

finaloverridevirtual

Reimplemented from range_operator.

References op1_range(), r, and relation_trio::swap_op1_op2().

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

finaloverridevirtual

Reimplemented from range_operator.

References op1_range(), r, and relation_trio::swap_op1_op2().

operand_check_p()

bool operator_not_equal::operand_check_p ( tree t0, tree t1, tree t2 ) const

inlinefinaloverridevirtual

Reimplemented from range_operator.

References INTEGRAL_TYPE_P, and 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().

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 dconstinf, dconstninf, and r.

Referenced by range_operator::fold_range().

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_not_equal::update_bitmask ( irange & r, const irange & lh, const irange & rh ) const

finaloverridevirtual

Reimplemented from range_operator.

References r, and update_known_bitmask().

wi_fold()

void range_operator::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

protectedvirtualinherited

Reimplemented in operator_abs, operator_absu, operator_bitwise_and, operator_bitwise_or, operator_bitwise_xor, operator_div, operator_lshift, operator_max, operator_min, operator_minus, operator_mult, operator_plus, operator_rshift, operator_trunc_mod, operator_widen_mult_signed, operator_widen_mult_unsigned, operator_widen_plus_signed, and operator_widen_plus_unsigned.

References gcc_checking_assert, and r.

Referenced by range_operator::wi_fold_in_parts(), and range_operator::wi_fold_in_parts_equiv().

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, range_operator::wi_fold(), and range_operator::wi_fold_in_parts().

Referenced by range_operator::fold_range(), and range_operator::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 range_operator::wi_fold().

Referenced by range_operator::fold_range().

---

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

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