From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8080D3857733; Wed, 17 May 2023 02:13:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8080D3857733 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1684289611; bh=gatOXnGW7P/budgpcjJzSBwFOC+MMrXCXh8XRoTtuvo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=NMW3uwQAd/8hN454i/M7c5aS5uJonmnuLPY/W8cVhdDl1i5k/C8ZlH4/IfCQSLWby Ci/BrFLfZscIGEKhGY6FRLeWEmrfflP+3lwTaRFH89fdBqkztr49+x+zM+zBpD8HnU XUjErCaPMR7CSiYxGahSMgIyWjTfyUj3zXEEvGrQ= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106708] [rs6000] 64bit constant generation with oris xoris Date: Wed, 17 May 2023 02:13:30 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106708 --- Comment #4 from CVS Commits --- The master branch has been updated by Jiu Fu Guo : https://gcc.gnu.org/g:5eb7d560626e427673c53723ed430c4bb5721f33 commit r14-923-g5eb7d560626e427673c53723ed430c4bb5721f33 Author: Jiufu Guo Date: Sat Dec 10 21:18:51 2022 +0800 rs6000: use lis;xoris to build constant For constant C: If '(c & 0xFFFFFFFF0000FFFFULL) =3D=3D 0xFFFFFFFF00000000' or say: 32(1) || 1(0) || 15(x) || 16(0), we could use "lis; xoris" to build. Here N(M) means N continuous bit M, x for M means it is ok for either 1 or 0; '||' means concatenation. This patch update rs6000_emit_set_long_const to support those constants. Compare with previous version: https://gcc.gnu.org/pipermail/gcc-patches/2022-December/608292.html This patch updates test function names only. Bootstrap and regtest pass on ppc64{,le}. PR target/106708 gcc/ChangeLog: * config/rs6000/rs6000.cc (rs6000_emit_set_long_const): Support building constants through "lis; xoris". gcc/testsuite/ChangeLog: * gcc.target/powerpc/pr106708.c: Add test function.=