From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oa1-x30.google.com (mail-oa1-x30.google.com [IPv6:2001:4860:4864:20::30]) by sourceware.org (Postfix) with ESMTPS id 983D33858D32 for ; Mon, 19 Sep 2022 19:59:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 983D33858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linaro.org Received: by mail-oa1-x30.google.com with SMTP id 586e51a60fabf-1274ec87ad5so1092732fac.0 for ; Mon, 19 Sep 2022 12:59:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=uyhyLz38LFlPYNj6QCjH8NWe1tXKsAkhUH/RV/4H9fs=; b=JuBzya7JdrYqjv+gaJ+2oun3MSjb6iYnMwBT7lXXpB2UYBsEgep5x8LncOHrQgeexS vUatRLwr5OdvTJ9gwBkUudkOKlA/mdJ7UlSxHLqy4B27YfyI8a2IIWYUHAifvkvOnqVp a8I83RJEwuyoDT0G76UWezcmqD5KdE3A9ka23iG3TGV5Z7jpJWiChBmjzIumqHRRsVE9 oOE94lejDGxuhF+ku6eRMoD1ZNl2AYP09Og7GC9PWwboCoa5sdPRmAT3x6lmEdQ4PkbR q21U0XPao7AkQsCotwJoJo9WecGS8H40rGVDBVjZI5P9Ywx49Lanfv4IsggBIRHthmhc O6eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=uyhyLz38LFlPYNj6QCjH8NWe1tXKsAkhUH/RV/4H9fs=; b=M5nTOKeov0D4M6GBnfDajO8c9Hm41OWTrUqAmM00Q+EHWuqSAnA9Ogtlp29cGHtKZN SCSxBqz8GRGO0KjiNG4pcLJxMbJ2GuMiffB6JtbszdM8ZUhpF9zSZz+3GYd9+TNTspp4 MidQr0nhLAmfotAPrv6kAJ2G9FGiB7vNAXOesT3jUdA+Pbx3bb/ehnDKF+mDvdp0fCtr sZoaWR58PigiNPAYMH34RzxunMYndD6Vz6ADu8PEXWTQMh6ycjlv2mYo7mVowPRdSOAF 1nvzrqtFSJoqWHOHNWB3xU/HJr6xg/eqP7xmgCpcD+cIR//mcgpScYnjOxuEnXFmfGhI iDQw== X-Gm-Message-State: ACgBeo16cBGn24deONr7Wc2Pqu1AX+pQa8Hmt5+FGyAXiFNLfK0iGRmi jNcu4FXIJGhHjEKgp1a1NIin01qwUad3Gwa9 X-Google-Smtp-Source: AA6agR7UfAMXe7A8RMJ0jGGcGoikgTfkNspKngm+ejWGHL06VjQzGlZdVDLjPf8PatwUyH9WwGRZmw== X-Received: by 2002:a05:6870:d625:b0:127:db0a:c4ac with SMTP id a37-20020a056870d62500b00127db0ac4acmr16288094oaq.75.1663617567780; Mon, 19 Sep 2022 12:59:27 -0700 (PDT) Received: from mandiga.. ([2804:1b3:a7c1:c266:b3ad:a56d:1ca:d6ea]) by smtp.gmail.com with ESMTPSA id l7-20020a4ab0c7000000b00475dc6c6f31sm4532291oon.45.2022.09.19.12.59.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Sep 2022 12:59:27 -0700 (PDT) From: Adhemerval Zanella To: libc-alpha@sourceware.org Cc: Richard Henderson Subject: [PATCH v5 01/17] Parameterize op_t from memcopy.h Date: Mon, 19 Sep 2022 16:59:04 -0300 Message-Id: <20220919195920.956393-2-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220919195920.956393-1-adhemerval.zanella@linaro.org> References: <20220919195920.956393-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: From: Richard Henderson It moves the op_t definition out to an specific header, adds the attribute 'may-alias', and cleanup its duplicated definitions. Checked with a build and check with run-built-tests=no for all major Linux ABIs. Co-authored-by: Adhemerval Zanella --- string/memcmp.c | 1 - sysdeps/generic/memcopy.h | 6 ++---- sysdeps/generic/string-optype.h | 31 +++++++++++++++++++++++++++++++ 3 files changed, 33 insertions(+), 5 deletions(-) create mode 100644 sysdeps/generic/string-optype.h diff --git a/string/memcmp.c b/string/memcmp.c index 40029474e6..6a9ceb8ac3 100644 --- a/string/memcmp.c +++ b/string/memcmp.c @@ -46,7 +46,6 @@ /* Type to use for aligned memory operations. This should normally be the biggest type supported by a single load and store. Must be an unsigned type. */ -# define op_t unsigned long int # define OPSIZ (sizeof (op_t)) /* Threshold value for when to enter the unrolled loops. */ diff --git a/sysdeps/generic/memcopy.h b/sysdeps/generic/memcopy.h index 251632e8ae..efe5f2475d 100644 --- a/sysdeps/generic/memcopy.h +++ b/sysdeps/generic/memcopy.h @@ -55,10 +55,8 @@ [I fail to understand. I feel stupid. --roland] */ -/* Type to use for aligned memory operations. - This should normally be the biggest type supported by a single load - and store. */ -#define op_t unsigned long int +/* Type to use for aligned memory operations. */ +#include #define OPSIZ (sizeof (op_t)) /* Type to use for unaligned operations. */ diff --git a/sysdeps/generic/string-optype.h b/sysdeps/generic/string-optype.h new file mode 100644 index 0000000000..fb6d67a19e --- /dev/null +++ b/sysdeps/generic/string-optype.h @@ -0,0 +1,31 @@ +/* Define a type to use for word access. Generic version. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _STRING_OPTYPE_H +#define _STRING_OPTYPE_H 1 + +/* Use the existing parameterization from gmp as a default. */ +#include + +#ifdef _LONG_LONG_LIMB +typedef unsigned long long int __attribute__ ((__may_alias__)) op_t; +#else +typedef unsigned long int __attribute__ ((__may_alias__)) op_t; +#endif + +#endif /* string-optype.h */ -- 2.34.1