From patchwork Tue Jun 8 12:10:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Kretz X-Patchwork-Id: 1489398 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Fzpx94shsz9sXS for ; Tue, 8 Jun 2021 22:11:08 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 445A4395100D for ; Tue, 8 Jun 2021 12:11:02 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from lxmtout1.gsi.de (lxmtout1.gsi.de [140.181.3.111]) by sourceware.org (Postfix) with ESMTPS id 03873384800D; Tue, 8 Jun 2021 12:10:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 03873384800D Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gsi.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gsi.de Received: from localhost (localhost [127.0.0.1]) by lxmtout1.gsi.de (Postfix) with ESMTP id 117562050D02; Tue, 8 Jun 2021 14:10:19 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at lxmtout1.gsi.de Received: from lxmtout1.gsi.de ([127.0.0.1]) by localhost (lxmtout1.gsi.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id KYJwpvlKHPk7; Tue, 8 Jun 2021 14:10:18 +0200 (CEST) Received: from srvex3.campus.gsi.de (unknown [10.10.4.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by lxmtout1.gsi.de (Postfix) with ESMTPS id EE14C2050D00; Tue, 8 Jun 2021 14:10:18 +0200 (CEST) Received: from excalibur.localnet (140.181.3.12) by srvex3.campus.gsi.de (10.10.4.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.10; Tue, 8 Jun 2021 14:10:18 +0200 From: Matthias Kretz To: , Subject: [PATCH 00/11] stdx::simd optimizations, corrections, and cleanups Date: Tue, 8 Jun 2021 14:10:18 +0200 Message-ID: <270527782.u9WJ3AIrlG@excalibur> Organization: GSI Helmholtzzentrum =?utf-8?q?f=C3=BCr?= Schwerionenforschung MIME-Version: 1.0 X-Originating-IP: [140.181.3.12] X-ClientProxiedBy: srvex4.Campus.gsi.de (10.10.4.36) To srvex3.campus.gsi.de (10.10.4.16) X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, BODY_8BITS, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP, URIBL_SBL, URIBL_SBL_A autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" The following patches mostly contain code cleanups and minor corrections. The major feature in this patchset is the last patch, which should make the use of stdx::simd much safer wrt. ODR violations involuntarily introduced by linking TUs that were compiled with different -m and floating-point flags. Matthias Kretz (11): libstdc++: Improve copysign codegen libstdc++: Remove dead code libstdc++: Improve fixed_size codegen libstdc++: Make use of __builtin_bit_cast libstdc++: Remove incorrect fabs overload libstdc++: Minor simd_math cleanups libstdc++: Fix condition when AVX512F ldexp implementation is used libstdc++: Avoid raising fp exceptions in trunc, floor, and ceil libstdc++: Ensure unrolled loops inline the lambda libstdc++: Fix internal names: add missing underscores libstdc++: Fix ODR issues with different -m flags libstdc++-v3/include/experimental/bits/simd.h | 438 ++++++++++++------ .../include/experimental/bits/simd_builtin.h | 48 +- .../experimental/bits/simd_converter.h | 2 +- .../include/experimental/bits/simd_detail.h | 40 ++ .../experimental/bits/simd_fixed_size.h | 95 ++-- .../include/experimental/bits/simd_math.h | 107 ++--- .../include/experimental/bits/simd_neon.h | 4 +- .../include/experimental/bits/simd_ppc.h | 4 +- .../include/experimental/bits/simd_scalar.h | 71 ++- .../include/experimental/bits/simd_x86.h | 33 +- .../simd/tests/bits/test_values.h | 8 +- 11 files changed, 540 insertions(+), 310 deletions(-)