From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2136) id E099D384F035; Wed, 9 Nov 2022 09:03:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E099D384F035 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1667984606; bh=fZ4cd6wobhYItP0VezKu5G5rESUH7fxMngQ6sBQuXCU=; h=From:To:Subject:Date:From; b=DiJkdHN+CtfgtXQHAPN9cIl3FKs3r3o5QX4X5YeLKTFoVCffcp58iPf3SPHp4FCWK shZzjMds09ybH+g1lvqt5OtVc0wVotW23HAvL9aT3QPj1hPBlAPh2oWyLgNgM7iW3t H0/FFaT3/XH6nCIalCy5DsqS5hvoBA8sR8+F6eTo= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Aldy Hernandez To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-3842] Implement op[12]_range operators for PLUS_EXPR and MINUS_EXPR. X-Act-Checkin: gcc X-Git-Author: Aldy Hernandez X-Git-Refname: refs/heads/master X-Git-Oldrev: 6373b1fdf75ea0908dfaebdbfc54d8b55b08d409 X-Git-Newrev: 4287e8168f89e90b3dff3a50f3ada40be53e0e01 Message-Id: <20221109090326.E099D384F035@sourceware.org> Date: Wed, 9 Nov 2022 09:03:26 +0000 (GMT) List-Id: https://gcc.gnu.org/g:4287e8168f89e90b3dff3a50f3ada40be53e0e01 commit r13-3842-g4287e8168f89e90b3dff3a50f3ada40be53e0e01 Author: Aldy Hernandez Date: Wed Nov 9 01:00:57 2022 +0100 Implement op[12]_range operators for PLUS_EXPR and MINUS_EXPR. We can implement the op[12]_range entries for plus and minus in terms of each other. These are adapted from the integer versions. gcc/ChangeLog: * range-op-float.cc (foperator_plus::op1_range): New. (foperator_plus::op2_range): New. (foperator_minus::op1_range): New. (foperator_minus::op2_range): New. Diff: --- gcc/range-op-float.cc | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/gcc/range-op-float.cc b/gcc/range-op-float.cc index d52e971f84e..44db81c1c1e 100644 --- a/gcc/range-op-float.cc +++ b/gcc/range-op-float.cc @@ -1862,6 +1862,29 @@ foperator_unordered_equal::op1_range (frange &r, tree type, class foperator_plus : public range_operator_float { + using range_operator_float::op1_range; + using range_operator_float::op2_range; +public: + virtual bool op1_range (frange &r, tree type, + const frange &lhs, + const frange &op2, + relation_trio = TRIO_VARYING) const final override + { + if (lhs.undefined_p ()) + return false; + range_op_handler minus (MINUS_EXPR, type); + if (!minus) + return false; + return minus.fold_range (r, type, lhs, op2); + } + virtual bool op2_range (frange &r, tree type, + const frange &lhs, + const frange &op1, + relation_trio = TRIO_VARYING) const final override + { + return op1_range (r, type, lhs, op1); + } +private: void rv_fold (REAL_VALUE_TYPE &lb, REAL_VALUE_TYPE &ub, bool &maybe_nan, tree type, const REAL_VALUE_TYPE &lh_lb, @@ -1886,6 +1909,28 @@ class foperator_plus : public range_operator_float class foperator_minus : public range_operator_float { + using range_operator_float::op1_range; + using range_operator_float::op2_range; +public: + virtual bool op1_range (frange &r, tree type, + const frange &lhs, + const frange &op2, + relation_trio = TRIO_VARYING) const final override + { + if (lhs.undefined_p ()) + return false; + return fop_plus.fold_range (r, type, lhs, op2); + } + virtual bool op2_range (frange &r, tree type, + const frange &lhs, + const frange &op1, + relation_trio = TRIO_VARYING) const final override + { + if (lhs.undefined_p ()) + return false; + return fold_range (r, type, op1, lhs); + } +private: void rv_fold (REAL_VALUE_TYPE &lb, REAL_VALUE_TYPE &ub, bool &maybe_nan, tree type, const REAL_VALUE_TYPE &lh_lb,