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([2607:fea8:51df:4200::ca58]) by smtp.gmail.com with ESMTPSA id fx6-20020a05622a4ac600b003f9efa2ddb4sm1264269qtb.66.2023.06.12.08.32.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jun 2023 08:32:59 -0700 (PDT) Message-ID: Date: Mon, 12 Jun 2023 11:32:58 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 To: gcc-patches Cc: "hernandez, aldy" Subject: [COMMITTED 11/17] - Add a hybrid MIN_EXPR operator for integer and pointer. 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Bootstraps on x86_64-pc-linux-gnu with no regressions.  Pushed. Andrew From 08f2e419b1e29f114857b3d817904abf3b4891be Mon Sep 17 00:00:00 2001 From: Andrew MacLeod Date: Sat, 10 Jun 2023 16:34:26 -0400 Subject: [PATCH 11/17] Add a hybrid MIN_EXPR operator for integer and pointer. This adds an operator to the unified table for MIN_EXPR which will select either the pointer or integer version based on the type passed to the method. This is for use until we have a seperate PRANGE class. * range-op-mixed.h (operator_min): Remove final. * range-op-ptr.cc (pointer_table::pointer_table): Remove MIN_EXPR. (class hybrid_min_operator): New. (range_op_table::initialize_pointer_ops): Add hybrid_min_operator. * range-op.cc (unified_table::unified_table): Comment out MIN_EXPR. --- gcc/range-op-mixed.h | 6 +++--- gcc/range-op-ptr.cc | 28 +++++++++++++++++++++++++++- gcc/range-op.cc | 2 +- 3 files changed, 31 insertions(+), 5 deletions(-) diff --git a/gcc/range-op-mixed.h b/gcc/range-op-mixed.h index e4852e974c4..a65935435c2 100644 --- a/gcc/range-op-mixed.h +++ b/gcc/range-op-mixed.h @@ -625,11 +625,11 @@ class operator_min : public range_operator { public: void update_bitmask (irange &r, const irange &lh, - const irange &rh) const final override; -private: + const irange &rh) const override; +protected: 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 final override; + const wide_int &rh_ub) const override; }; class operator_max : public range_operator diff --git a/gcc/range-op-ptr.cc b/gcc/range-op-ptr.cc index 7b22d0bf05b..483e43ca994 100644 --- a/gcc/range-op-ptr.cc +++ b/gcc/range-op-ptr.cc @@ -270,7 +270,6 @@ operator_pointer_diff::op1_op2_relation_effect (irange &lhs_range, tree type, pointer_table::pointer_table () { - set (MIN_EXPR, op_ptr_min_max); set (MAX_EXPR, op_ptr_min_max); } @@ -380,6 +379,32 @@ public: } } op_hybrid_or; +// Temporary class which dispatches routines to either the INT version or +// the pointer version depending on the type. Once PRANGE is a range +// class, we can remove the hybrid. + +class hybrid_min_operator : public operator_min +{ +public: + void update_bitmask (irange &r, const irange &lh, + const irange &rh) const final override + { + if (!r.undefined_p () && INTEGRAL_TYPE_P (r.type ())) + operator_min::update_bitmask (r, lh, rh); + } + + 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 final override + { + if (INTEGRAL_TYPE_P (type)) + return operator_min::wi_fold (r, type, lh_lb, lh_ub, rh_lb, rh_ub); + else + return op_ptr_min_max.wi_fold (r, type, lh_lb, lh_ub, rh_lb, rh_ub); + } +} op_hybrid_min; + + // Initialize any pointer operators to the primary table @@ -391,4 +416,5 @@ range_op_table::initialize_pointer_ops () set (POINTER_DIFF_EXPR, op_pointer_diff); set (BIT_AND_EXPR, op_hybrid_and); set (BIT_IOR_EXPR, op_hybrid_or); + set (MIN_EXPR, op_hybrid_min); } diff --git a/gcc/range-op.cc b/gcc/range-op.cc index 0a9a3297de7..481f3b1324d 100644 --- a/gcc/range-op.cc +++ b/gcc/range-op.cc @@ -123,7 +123,7 @@ unified_table::unified_table () // set (BIT_AND_EXPR, op_bitwise_and); // set (BIT_IOR_EXPR, op_bitwise_or); - set (MIN_EXPR, op_min); + // set (MIN_EXPR, op_min); set (MAX_EXPR, op_max); } -- 2.40.1